Find the circumference of the circle. Round your answer to the nearest hundredth. Use 3.14 or 227 for π . the radius is 42 in

Answers

Answer 1

Answer:

263.89

Step-by-step explanation:

C = 2r

2π(42)

263.8937829

round to the nearest hundredth↓

C = 263.89


Related Questions

An exponential function, f, passes through the points (-3,5) and (-1,-3). Determine two points which would lie on the graph of function g if g(x) = f(x) + 4.
A.
(-3,20) and (-1,-12)
B.
(-3,9) and (-1,1)
C.
(-3,-12) and (-1,-4)
D.
(-3,1) and (-1,-7)

Answers

Step-by-step explanation:

To determine two points that would lie on the graph of function g(x) = f(x) + 4, we need to add 4 to the y-coordinates of the points that lie on the graph of f.

Let's first find the equation of the exponential function f. We know it passes through the points (-3,5) and (-1,-3). Using two-point form for exponential functions, we have:

f(x) = a * (b)^x

where a and b are constants to be determined. Plugging in the two points, we get the following equations:

5 = a * (b)^(-3)

-3 = a * (b)^(-1)

Dividing the second equation by the first, we get:

(b)^2 = -3/5

Taking the square root of both sides, we get:

b = i * sqrt(3/5) or b = -i * sqrt(3/5)

where i is the imaginary unit.

Substituting b into the first equation and solving for a, we get:

a = 5 / (b)^(-3) = -125i / (3 * sqrt(5))

Therefore, the equation for f is:

f(x) = (-125i / (3 * sqrt(5))) * (i * sqrt(3/5))^x

Simplifying this expression, we get:

f(x) = (25/3) * (3/5)^(x+1/2)

Now we can find the two points that lie on the graph of g by adding 4 to the y-coordinates of the points that lie on the graph of f. Using the given points:

(-3,5) and (-1,-3)

Adding 4 to the y-coordinate of the first point, we get:

(-3,9)

Adding 4 to the y-coordinate of the second point, we get:

(-1,1)

Therefore, the two points that would lie on the graph of function g are:

(-3,9) and (-1,1)

Answer: B.

What is the approximate value of the irrational number included in the set below?

9
,
36
,
50
,
121
9

,
36

,
50

,
121



3.7

7.1

12.5

16.7

Answers

The approximate value of the irrational number in the set is 7.1 (rounded to one decimal place).

To find the irrational number in the set, we need to check which of these numbers are perfect squares. The perfect squares in the set are 9 and 36. The other two numbers, 50 and 121, are not perfect squares.

Since the set includes two perfect squares, the irrational number must be the positive square root of one of the non-perfect square numbers. We can eliminate 121 since it is a perfect square, so the only option left is 50.

The positive square root of 50 is an irrational number, which is approximately 7.071. Therefore, the approximate value of the irrational number in the set is 7.1 (rounded to one decimal place).

So the answer is: 7.1.

for such more question on irrational number

https://brainly.com/question/23136904

#SPJ11

what is the general solution to the differential equation dydx=x−13y2 for y>0 ?

Answers

The general solution to the differential equation dy/dx = x - 1/3y^2 for y>0 is y(x) = √(3(x^2/2 - x + C)), where C is a constant of integration.

To solve the differential equation, we can separate variables and integrate both sides with respect to y and x:

∫ 1/(y^2 - 3x) dy = ∫ 1 dx

Using partial fraction decomposition, we can rewrite the left-hand side as:

∫ (1/√3) (1/(y + √3x) - 1/(y - √3x)) dy

Integrating each term with respect to y, we get:

(1/√3) ln|y + √3x| - (1/√3) ln|y - √3x| = x + C

Simplifying, we get:

ln|y + √3x| - ln|y - √3x| = √3x + C

ln((y + √3x)/(y - √3x)) = √3x + C

Taking the exponential of both sides and simplifying, we get:

y(x) = √(3(x^2/2 - x + C)), where C is a constant of integration. Therefore, the answer is √(3(x^2/2 - x + C)) for y(x).

You can learn more about differential equation  at

https://brainly.com/question/1164377

#SPJ11

a tax rate of $.0711 in decimal expressed per $1,000 of assessed valuation is equal to:

Answers

A tax rate of $0.0711 per $1,000 of assessed valuation in decimal form is 0.00711% and in fractional form is $0.0000711 .

Given, that tax rate of $.0711 .

First, divide the tax rate by 1,000 to determine the rate per dollar:

$0.0711 / 1,000 = $0.0000711.

This represents the decimal equivalent of the tax rate per dollar.

To express it as a percentage, multiply the decimal value by 100: $0.0000711 × 100 = 0.00711%.

Therefore, a tax rate of $0.0711 per $1,000 of assessed valuation is equal to 0.00711% in decimal form.

To know more about tax rate, visit:

brainly.com/question/30629449

#SPJ12

Final answer:

A tax rate of $.0711 per dollar is equivalent to $71.1 per $1000 when expressed in terms of assessed valuation.

Explanation:

A tax rate of $.0711 in decimal form expresses a tax of 7.11 cents per dollar. However, the question asks for the tax rate expressed per $1000. Therefore, to find this, we need to multiply the tax rate per $1 by 1000. Thus, $.0711 per $1 x 1,000 = $71.1 per $1000 of assessed valuation.

Learn more about Tax Rate Conversion here:

https://brainly.com/question/34329465

#SPJ12

write down the value of the 6 in the 263.7

Answers

Answer: 60

Step-by-step explanation:

you just take the value of the number your looking at and turn it into its original whole number. e.g. the value of 2 in that equation would be 200

The perimeter of a rectangular farm is 1800 m and its length is 140 m longer than its breadth. Find the area of the farm.
Simultaneous equation

Answers

The area of the rectangular farm is 197,600 square meters.

Let's assume the breadth of the rectangular farm is x meters. According to the given information, the length of the farm is 140 meters longer than its breadth, so the length would be (x + 140) meters.

The perimeter of a rectangle is given by the formula P = 2(length + breadth). We can set up the equation as follows:

2(length + breadth) = 1800

Substituting the values, we get:

2((x + 140) + x) = 1800

Simplifying the equation:

2(2x + 140) = 1800

4x + 280 = 1800

4x = 1800 - 280

4x = 1520

x = 1520 / 4

x = 380

Therefore, the breadth of the farm is 380 meters.

Using this value, we can find the length:

Length = x + 140 = 380 + 140 = 520 meters.

The area of a rectangle is given by the formula A = length * breadth. Substituting the values, we have:

Area = 520 * 380 = 197,600 square meters.

For more such questions on rectangular visit:

https://brainly.com/question/2607596

#SPJ11

what is the probability that the first two students chosen are girls.​

Answers

2/100 good luck!!!!!!!!!!!!!!!!!!!

Find the area enclosed by the curve r=7(1+cos(θ))

Answers

The approximate area bounded by the curve is 57.96 square units.

What is the area enclosed by the curve r=7(1+cos(θ))?

The given equation is a polar equation of a cardioid. To find the area enclosed by the curve, we can use the formula for the area of a polar region:

A = (1/2)∫(b,a) r(θ)² dθ

where 'a' and 'b' are the values of θ that define the region.

In this case, the cardioid is symmetric about the x-axis, so we only need to consider the area in the first quadrant, where 0 ≤ θ ≤ π/2.

Thus, we have:

A = (1/2)∫(0,π/2) [7(1+cos(θ))]² dθ= (1/2)∫(0,π/2) 49(1+2cos(θ)+cos²(θ)) dθ= (1/2)∫(0,π/2) [49+98cos(θ)+49cos²(θ)] dθ= (1/2) [49θ + 98sin(θ) + (49/2)θ + (49/4)sin(2θ)](from 0 to π/2)= (1/2) [49(π/2) + 98sin(π/2) + (49/2)(π/2) + (49/4)sin(π)]= (1/2) [24.5π + 49]= 12.25π + 24.5

So the area enclosed by the curve is approximately 57.96 square units.

Learn more about cardioid

brainly.com/question/29556891

#SPJ11

In each case determine whether H is subgroup of G. (a) H = {0, 1, -1}, G = z (b) H = {1, 3}, G = Zs (c) H = {1, 3}, G = z*_15 (d) H = {element_1 (1, 2) (3 4), (1, 2)(2, 4)}, G = S_3 (f) H = {[1 0 0 1], [-1 0 0 -1] [0 1 -1 0], [0 -1 1 0]}, G = GL_1 (z) (g) H = {2, 4, 6} G = Z_6 (h) H = N, G = Z (i) H = {(m, k)|m + k is even}, G = Z times Z

Answers

a) H is a subgroup of G. b) H is not a subgroup of G. c) H is a subgroup of G. d) H is a subgroup of G. e) H is not a subgroup of G. f) H is a subgroup of G. g) H is not a subgroup of G. h) H is a subgroup of G.

(a) H = {0, 1, -1}, G = Z:

H is a subgroup of G since it is closed under addition, inverse and contains the identity element.

(b) H = {1, 3}, G = Zs:

H is not a subgroup of G since it is not closed under addition. For example, 1 + 3 = 4 is not in H.

(c) H = {1, 3}, G = Z*_15:

H is a subgroup of G since it is closed under multiplication, inverse and contains the identity element.

(d) H = {element_1 (1, 2) (3 4), (1, 2)(2, 4)}, G = S_3:

H is a subgroup of G since it is closed under composition, inverse and contains the identity element.

(e) H = {[1 0 0 1], [-1 0 0 -1], [0 1 -1 0], [0 -1 1 0]}, G = GL_1(z):

H is not a subgroup of G since it is not closed under matrix multiplication. For example, [1 0 0 1] * [0 1 -1 0] = [0 1 -1 0] is not in H.

(f) H = {2, 4, 6}, G = Z_6:

H is a subgroup of G since it is closed under addition, inverse and contains the identity element.

(g) H = N, G = Z:

H is not a subgroup of G since it does not contain the identity element.

(h) H = {(m, k)|m + k is even}, G = Z x Z:

H is a subgroup of G since it is closed under addition, inverse and contains the identity element.

"Z" refers to the integers and "Z*_15" refers to the integers modulo 15. "GL_1(z)" refers to the set of invertible 1x1 matrices with integer entries.

To learn more about subgroup here:

https://brainly.com/question/31432778

#SPJ4

The question is below:

Answers

Answer:

2x² + 7x - 13

Step-by-step explanation:

so the equation is 3(x² - 1) - (x² -7x + 10).

let’s say x=3.

3(3² - 1) - (3² - 7 • 3 + 10) = 26

now we have to find which equation is equivalent to 26, because now this will be much easier as we substituted x for 3.

after doing all the math, i found out that 2x²+ 7x - 13 is equivalent to the expression. this is because both equations share the answer of 26, which makes them equivalent. hope this helped!

Find the critical numbers of the function. (Enter your answers as a comma-separated list. Use n to denote any arbitrary integer values. If an answer does not exist, enter DNE. )

f(theta) = 18 cos(theta) + 9 sin2(theta)

Answers

The critical numbers of the function f(theta) = 18 cos(theta) + 9 sin^2(theta) need to be found.

To find the critical numbers, we need to first take the derivative of the function.

f'(theta) = -18 sin(theta) + 18 sin(theta) cos(theta)

Setting f'(theta) equal to zero and solving for theta, we get:

-18 sin(theta) + 18 sin(theta) cos(theta) = 0

simplifying, we get:

sin(theta) (cos(theta) - 1) = 0

So, the critical numbers occur when sin(theta) = 0 or cos(theta) = 1.

Therefore, the critical numbers of the function are: theta = npi, where n is an integer, and theta = 2npi, where n is an integer.

Learn more about Critical Numbers here: brainly.com/question/31339061

#SPJ11

The value V of a bank account in which $300 is invested at 6.00% interest, compounded annually is given by the equation below where t is the time in years. Find the value of the account after 2 years. V = 300 * (1.06) ^ t

Urgent

Answers

The required value of the account after 2 years is $337.08.

The equation below represents the value V of a bank account in which $300 is invested at 6.00% interest compounded yearly:

[tex]V = 300 \times (1.06)^t[/tex]    .....(i)

where t is the period in years.

It is required to find the value of the account after 2 years.

The value of the bank account after 2 years can be found by substituting t = 2 into the given equation (i):

V = 300 × (1.06)²

V = 300 × 1.1236

Apply the multiplication operation to get

V = 337.08

Therefore, the value of the account after 2 years is $337.08.

Learn more about compound interest here:

https://brainly.com/question/31407093

#SPJ1

Which best describes a random sample

Answers

Option A "Everyone in the population has the same chance of being included in the study"  best describes a random sample.

What is a random sample?

For unbiased research results its essential to utilize random samples during data collection. With this approach each individual within the larger population has an equal probability of being selected for inclusion.

By avoiding any potential biases towards specific groups or individuals researchers can confidently generalize their findings for everyone within the larger population with ease and accuracy.

Learn about  random sample here https://brainly.com/question/13219833

#SPJ1

Complete question:

Which best describes a random sample?

A. Everyone in the population has the same chance of being included in the study.

B. Participants in the study are picked at the convenience of the researcher.

C. There is no consistent method of choosing the participants in the study.

D. The participants in the study are picked from volunteers.

∆ABC~∆DEF area of triangle abc is 64cm² and area of triangle DEF is 9cm². if AB is 16cm what is De?​

Answers

The calculated value of the length DE is 6 units

How to calculate the length DE

From the question, we have the following parameters that can be used in our computation:

∆ABC~∆DEF Area of ABC = 64cmArea of DEF = 9cm².AB = 16cm

using the above as a guide, we have the following:

AB/DE = √Ratio of the areas of the triangles

substitute the known values in the above equation, so, we have the following representation

16/DE = √64/9

So, we have

16/DE = 8/3

Inverse the equation

DE/16 = 3/8

So, we have

DE = 16 * 3/8

Evaluate

DE = 6

Hence, the length DE is 6 units

Read more abut triangles at

https://brainly.com/question/32215211

#SPJ1

this is due now!!!!!!!!!!!!!! look at both attachments!!!!!!

Answers

Answer:

C is the correct answer.

Mario $15,000 car depreciates in value at a rate of 27. 1% per year. The value,V, after t years can Be modeled by the function V= 15,000 (0. 729)^t. Which function is equivalent to the original function ?


1) 15,000 (0. 9)^3t

2) 15,000 (0. 9)^2t

3) 12,000 (0. 9)^t/9

4) 13,000 (0. 9)^t/2


Which two functions can be eliminated Immediately and why ?

Answers

Mario $15,000 car depreciates in value at a rate of 27. 1% per year. Therefore, the function equivalent to the original function is 15,000 (0.9)^t/3, which represents a depreciation rate of 10% per year.

Option 1) 15,000 (0.9)^3t represents a faster depreciation rate than the original function, so it can be eliminated.

Option 4) 13,000 (0.9)^t/2 represents a different initial value than the original function, so it can also be eliminated.

The remaining two options have the same depreciation rate as the original function, but only option 3) 12,000 (0.9)^t/9 has the same initial value of $15,000, making it the second function equivalent to the original.

Learn more about original here: brainly.com/question/4675656

#SPJ11

3. What transformations on the graph f(x) = loga x result in the graph of g(x) = -logs (x + 5)?

Answers

The transformations on the graph f(x) = loga x result in the graph of g(x) = -logs (x + 5) is  found when we translate 5 units to the left then reflect across the x-axis.

What is graph transformations?

Graph transformation is described as  the process by which an existing graph, or graphed equation, is modified to produce a variation of the proceeding graph.

Some available graph transformations includes:

TranslationDilation Reflection

So if we  translate 5 units to the left then reflect across the x-axis  on the graph f(x) = log x, the  result is  in the graph of g(x) = -logs (x + 5)

Learn more about   graph transformations  at:

https://brainly.com/question/1548871

#SPJ1

Consider the systemdx/dt = x(a − σx − αy), dy/dt = y(−c + γx),where a, σ, α, c, and γ are positive constants.(a) Find all critical points of the given system. How does their location change as σincreases from zero? Assume that a/σ > c/γ, that is, σ < aγ/c. Why is this assumption necessary?

Answers

Main Answer:As σ increases from zero, the critical point (x, y) = (c/γ, (aγ - σc)/(αγ)) moves closer to the critical point (0, 0).

Supporting Question and Answer:

How does the assumption σ < aγ/c (or equivalently a/σ > c/γ) ensure the existence of real-valued critical points in the given system?

The assumption σ < aγ/c (or equivalently a/σ > c/γ) is necessary to ensure the existence of real-valued critical points in the given system. By requiring σ to be smaller than aγ/c, we ensure that the critical point (x, y) = (c/γ, (aγ - σc)/(αγ)) remains real-valued. If this assumption is not satisfied, the critical point may become complex, which would be incompatible with the physical interpretation of the system. Thus, the assumption σ < aγ/c guarantees that the critical points are meaningful solutions to the system of differential equations.

Body of the Solution:To find the critical points of the system, we need to find the values of (x, y) for which dx/dt = 0 and dy/dt = 0.

Given the system:

dx/dt = x(a - σx - αy)

dy/dt = y(-c + γx)

Setting dx/dt = 0:

x(a - σx - αy) = 0

This equation gives us two possibilities:

x = 0a - σx - αy = 0

Setting dy/dt = 0:

y(-c + γx) = 0

This equation also gives us two possibilities:

y = 0-c + γx = 0

Now, let's analyze each case:

x = 0 and y = 0: If x = 0 and y = 0, both equations are satisfied. This gives us a critical point at (0, 0).a - σx - αy = 0 and -c + γx = 0: Solving these two equations simultaneously:

       a - σx - αy = 0

     -c + γx = 0

From the second equation, we have x = c/γ. Substituting this into the first equation:

a - σ(c/γ) - αy = 0

aγ/γ - σc/γ - αy = 0

(aγ - σc)/γ - αy = 0

αy = (aγ - σc)/γ

y = (aγ - σc)/(αγ)

So, when a - σx - αy = 0 and -c + γx = 0, we have a critical point at (x, y) = (c/γ, (aγ - σc)/(αγ)).

Now let's analyze the behavior as σ increases from zero:

As σ increases from zero, the critical point (x, y) = (c/γ, (aγ - σc)/(αγ)) moves closer to the critical point (0, 0). In other words, the critical point shifts towards the origin.

The assumption σ < aγ/c (or equivalently a/σ > c/γ) is necessary to ensure that the critical point (x, y) = (c/γ, (aγ - σc)/(αγ)) exists and is real-valued. If this assumption is violated, the critical point may become complex, which would not be physically meaningful in this context.

Final Answer: Thus,the assumption σ < aγ/c (or equivalently a/σ > c/γ) is necessary to ensure that the critical point (x, y) = (c/γ, (aγ - σc)/(αγ)) exists and is real-valued.

To learn more about the assumption σ < aγ/c (or equivalently a/σ > c/γ) ensure the existence of real-valued critical points in the given system from the given link

https://brainly.com/question/29144288

#SPJ4

:As σ increases from zero, the critical point (x, y) = (c/γ, (aγ - σc)/(αγ)) moves closer to the critical point (0, 0).

The assumption σ < aγ/c (or equivalently a/σ > c/γ) is necessary to ensure the existence of real-valued critical points in the given system. By requiring σ to be smaller than aγ/c, we ensure that the critical point (x, y) = (c/γ, (aγ - σc)/(αγ)) remains real-valued.

If this assumption is not satisfied, the critical point may become complex, which would be incompatible with the physical interpretation of the system. Thus, the assumption σ < aγ/c guarantees that the critical points are meaningful solutions to the system of differential equations.

Body of the Solution: To find the critical points of the system, we need to find the values of (x, y) for which dx/dt = 0 and dy/dt = 0.

Given the system:

dx/dt = x(a - σx - αy)

dy/dt = y(-c + γx)

Setting dx/dt = 0:

x(a - σx - αy) = 0

This equation gives us two possibilities:

x = 0

a - σx - αy = 0

Setting dy/dt = 0:

y(-c + γx) = 0

This equation also gives us two possibilities:

y = 0

-c + γx = 0

Now, let's analyze each case:

x = 0 and y = 0: If x = 0 and y = 0, both equations are satisfied. This gives us a critical point at (0, 0).

a - σx - αy = 0 and -c + γx = 0: Solving these two equations simultaneously:

      a - σx - αy = 0

    -c + γx = 0

From the second equation, we have x = c/γ. Substituting this into the first equation:

a - σ(c/γ) - αy = 0

aγ/γ - σc/γ - αy = 0

(aγ - σc)/γ - αy = 0

αy = (aγ - σc)/γ

y = (aγ - σc)/(αγ)

So, when a - σx - αy = 0 and -c + γx = 0, we have a critical point at (x, y) = (c/γ, (aγ - σc)/(αγ)).

Now let's analyze the behavior as σ increases from zero:

As σ increases from zero, the critical point (x, y) = (c/γ, (aγ - σc)/(αγ)) moves closer to the critical point (0, 0). In other words, the critical point shifts towards the origin.

The assumption σ < aγ/c (or equivalently a/σ > c/γ) is necessary to ensure that the critical point (x, y) = (c/γ, (aγ - σc)/(αγ)) exists and is real-valued. If this assumption is violated, the critical point may become complex, which would not be physically meaningful in this context.

Final Answer: Thus, the assumption σ < aγ/c (or equivalently a/σ > c/γ) is necessary to ensure that the critical point (x, y) = (c/γ, (aγ - σc)/(αγ)) exists and is real-valued.

To learn more about the assumption

brainly.com/question/29144288

#SPJ4

Find the volume. Round your answer to the nearest tenth.
4 m
4.3 m
3m
8m
5m
O 94.6 m²
O 340 m²
O 105.4 m²
O 137.6 m²

Answers

Answer:

✔ ∅  94.6 m²

Step-by-step explanation:

Find the volume. Round your answer to the nearest tenth.

✔ ∅  94.6 m²

O 340 m²

O 105.4 m²

O 137.6 m²

[tex]\sqrt{5^2 - 4.3^2}[/tex]  = 2.55 n      8 - 2.55 - 3 = 2.45 m

V = 3 × 4 × 4.3 + 4.3 × 2.55 × 4 ×[tex]\frac{1}{2}[/tex]  + 4.3 × 2.55 × [tex]\frac{1}{2}[/tex] × 4

= 94.6 m²   { divide the value into three parts }

a specific radioactive substance follows a continuous exponential decay model. it has a half-life of

Answers

The formula that gives us the amount of the radioactive substance remaining at any time t since the start of the experiment, without using any approximations. is y = 19.2 * [tex](1/2)^{(t/15)[/tex]

The formula relating the amount of the radioactive substance at a given time t (in minutes) to the initial amount y₀ can be given as:

y = y₀ * [tex](1/2)^{(t/15)[/tex]

In this formula,  [tex](1/2)^{(t/15)[/tex] represents the fraction of the original amount that remains after t minutes. Since the half-life is 15 minutes, we know that after 15 minutes, half of the original amount remains. After 30 minutes, a quarter of the original amount remains, and so on.

To use this formula for the specific case given in the question, we know that the initial amount y₀ is 19.2 g. Therefore, we can write:

y = 19.2 * [tex](1/2)^{(t/15)[/tex]

This formula gives us the amount of the radioactive substance remaining at any time t since the start of the experiment, without using any approximations.

To learn more about exponential decay click on,

https://brainly.com/question/17421913

#SPJ4

Complete question is:

A specific radioactive substance follows a continuous exponential decay model. It has a half-life of 15 minutes. At the start of the experiment, 19.2 g is present. Let t be the time (in minutes) since the start of the experiment, and let y be the amount of the substance at time t.

Write a formula relating y to t .Use exact expressions to fill in the missing parts of the formula.

Triangle ABC has coordinates A(2, 2), B(2, -2), and C(8, -2).

Triangle DEF has coordinates D(-3, -5), E(-3, -3), and F(-6, -3).

Use coordinate geometry to determine if these two triangles are similar. If they are not similar, state the reason.
A.
The triangles are not similar because corresponding sides are not proportional.

B.
The triangles are not similar because corresponding angles are not congruent.

C.
The triangles are not similar because they are congruent.

D.
The triangles are similar.

Answers

Using coordinate geometry to determine if these two triangles are similar, one can say that the triangles are similar.

To determine if the two triangles, ABC and DEF, are similar, we need to compare the lengths of their corresponding sides. If the ratios of the corresponding side lengths are equal, then the triangles are similar.

Let's calculate the lengths of the sides of each triangle:

Triangle ABC:

Side AB: Length = sqrt([tex](2-2)^2 + (-2-2)^2[/tex]) = sqrt([tex]0^2 + 4^2[/tex]) = sqrt(16) = 4

Side BC: Length = sqrt([tex](2-8)^2 + (-2+2)^2[/tex]) = sqrt([tex](-6)^2 + 0^2[/tex]) = sqrt(36) = 6

Side AC: Length = sqrt([tex](2-8)^2 + (2+2)^2[/tex]) = sqrt([tex](-6)^2 + 4^2[/tex]) = sqrt(36 + 16) = sqrt(52) = 2√13

Triangle DEF:

Side DE: Length = sqrt([tex](-3+3)^2 + (-3+5)^2[/tex]) = sqrt([tex]0^2 + 2^2[/tex]) = sqrt(4) = 2

Side EF: Length = sqrt([tex](-3+6)^2 + (-3+3)^2[/tex]) = sqrt([tex]3^2 + 0^2[/tex]) = sqrt(9) = 3

Side DF: Length = sqrt([tex](-3+6)^2 + (-5+3)^2[/tex]) = sqrt([tex]3^2 + (-2)^2[/tex]) = sqrt(9 + 4) = sqrt(13)

Now, let's compare the ratios of the corresponding side lengths:

AB/DE = 4/2 = 2

BC/EF = 6/3 = 2

AC/DF = (2√13)/sqrt(13) = 2

The ratios of the corresponding side lengths are all equal to 2. This means that the sides of triangle ABC and triangle DEF are proportional. Therefore, the triangles are similar.

The correct answer is D. The triangles are similar.

For more details regarding triangles, visit:

https://brainly.com/question/2773823

#SPJ1

Solve for the roots in simplest form using the quadratic formula:
2x²+26=20x
PLEASE HELP

Answers

Answer:

[tex]5 + 2\sqrt{3}[/tex]

    &          

[tex]5-2\sqrt{3}[/tex]

Step-by-step explanation:

Okay! The equation is : 2x²+26=20x

Right off the bat we notice that this can be simplified. We divide all numbers by a common multiple: 2.

Our resulting equation is [tex]x^2 + 13= 10x[/tex]

Now, in order to plug this equation into our quadratic formula, we need to rearrange this equation into the [tex]ax^2 + bx +c = 0[/tex] format.

In order to do that, we simply move the 10x to the left side of the equation, resulting in this: [tex]x^2 - 10x + 13[/tex]

Here is the quadratic formula:

(-b±√(b²-4ac))/ 2a

I will include a picture of the quadratic equation at the bottom (because the typed equation is strange).

So looking at our previously found formula, x^2 - 10x + 13, we know that a: 1

b: -10

c: 13

Now, we plug in our values!

(-(-10) ± √((-10)²-(4(1)(13))) / 2(1)

Simplify! (10 ± √(100-52)) / 2

Simplify again! (10 ± √48) / 2

Now we must simplify the square root. If we try to find the square root of 48, it comes out to 6.92820323, which is a very messy number. We will NOT be using this number. We will instead find the factors of 48.

2·2·2·2·3 = 48

So it looks like this: √2·2·2·2·3

We can pair up the similar numbers, so it looks like: √(2·2)(2·2)·3

Now, we move the pairs of twos to the front of the equation (but only one two from each pair is represented because they've been square-rooted) , and out of the square root, to get us: 2·2 √3, which equals 4√3

Now that we have the square root figured out, we re-enter the square root into the equation we had before (replacing the un-simplified version with the simplified version), which was (10 ± √48) / 2.

Here is the equation with the simplified root:  (10 ± 4√3) / 2

Now we notice that 10 and 4 are divisible by 2, so the equation becomes: (5 ± 2√3), which is 5+2√3, AND 5-2√3

Hope that helped!!!!

An excellent free throw shooter attempts several free throws untilshe misses.
(a) If p=0.9 is her probability of making a free throw, what is theprobability of having the first miss after 12 attempts.
(b) If she continues shooting until she misses three, what is theprobability that the third miss occurs on the 30th attempt?

Answers

(a) To calculate the probability of the first miss occurring after 12 attempts, we need to consider the scenario in which the shooter makes the first 11 shots and then misses the 12th shot. The probability of making a free throw is given as p = 0.9.

The probability of making a shot is 0.9, so the probability of missing a shot is 1 - 0.9 = 0.1. Therefore, the probability of making 11 shots in a row is (0.9)^11.

The probability of missing the 12th shot is 0.1. Since these events are independent, we can multiply the probabilities together. Therefore, the probability of making the first 11 shots and missing the 12th shot is (0.9)^11 * 0.1.

Therefore, the probability of having the first miss after 12 attempts is (0.9)^11 * 0.1.

(b) To calculate the probability that the third miss occurs on the 30th attempt, we need to consider the scenario in which the shooter makes the first 29 shots and then misses the 30th shot.

The probability of making a shot is 0.9, so the probability of missing a shot is 1 - 0.9 = 0.1. Therefore, the probability of making 29 shots in a row is (0.9)^29.

The probability of missing the 30th shot is 0.1. Since these events are independent, we can multiply the probabilities together. Therefore, the probability of making the first 29 shots and missing the 30th shot is (0.9)^29 * 0.1.

However, we also need to consider that the shooter must miss the first two shots before reaching the 30th attempt. The probability of missing two shots in a row is (0.1)^2.

Therefore, the probability that the third miss occurs on the 30th attempt is (0.9)^29 * 0.1 * (0.1)^2.

Note that these calculations assume that each shot is independent of the others and that the shooter's probability of making a shot remains constant throughout the attempts.

To learn more about probability click here:

brainly.com/question/31486003

#SPJ11

Find the approximate band of frequencies occupied by the waveform λ(t) = 100 cos (2π x 10^5 t + 35 cos 100 πf)

Answers

The given waveform is λ(t) = 100 cos (2π x 10^5 t + 35 cos (100 πf)). The frequency band occupied by the waveform can be approximated as twice the maximum deviation from the carrier frequency due to the modulating function.

The given waveform λ(t) can be written as:

λ(t) = 100 cos (2π x 10^5 t + 35 cos (100 πf))

The inner function, 35 cos (100 πf), is a modulating function that varies slowly compared to the carrier wave at 2π x 10^5 t. The modulating function is the cosine of a rapidly varying frequency, 100 πf, and it will produce sidebands around the carrier frequency of 2π x 10^5 t.

The sidebands will occur at frequencies of 2π x 10^5 t ± 100 πf. The width of the frequency band occupied by the waveform can be approximated as twice the maximum deviation from the carrier frequency due to the modulating function. In this case, the maximum deviation occurs when cos (100 πf) = ±1, which gives a frequency deviation of 35 x 100 = 3500 Hz.

Therefore, the approximate band of frequencies occupied by the waveform is 2 x 3500 = 7000 Hz, centered around the carrier frequency of 2π x 10^5 t.

To learn more about deviation : brainly.com/question/23907081

#SPJ11

0.78 / 0.16614 please

Answers

Answer:

4.695

Step-by-step explanation:

multiply top and bottom by 100, 000 to clear any decimal places

now we have 78, 000 / 16,614

= 4.695 (3 decimal places).

Write an equation for the line on the graph below:

Answers

The equation of the line in the graph is:

y = 2

How to find the equation for the line?

A general linear equation can be written as:

y = ax + b

Where a is the slope and b is the y-intercept.

Particularly, in this case we can see that the line intercepts the y-axis at the value y = 2, then we have that b = 2

y = ax + 2

Now we can see that the line also passes through the point (5, 2), replacing these values in the equation we get:

2 = a*5 + 2

2 - 2 = a*5

0 = a*5

0/5 = a

0 = a

Then the equation of the line is:

y = 2

Learn more about linear equations at:

https://brainly.com/question/1884491

#SPJ1

we want to test whether the mean weight of adult cat of the same breed is 9.0 lb. state the null and alternative hypotheses.

Answers

The null hypothesis for this test is that the mean weight of adult cats of the same breed is equal to 9.0 lb, while the alternative hypothesis is that it is different from 9.0 lb.

In statistical hypothesis testing, the null hypothesis is a statement that is assumed to be true unless there is sufficient evidence to reject it in favor of an alternative hypothesis. In this case, the null hypothesis is that the mean weight of adult cats of the same breed is equal to 9.0 lb, which is what we are trying to test. The alternative hypothesis, on the other hand, is that the mean weight of adult cats of the same breed is different from 9.0 lb, which could be either higher or lower. This is the hypothesis that we would accept if there is sufficient evidence to reject the null hypothesis.

To test these hypotheses, we would need to collect a sample of adult cats of the same breed, measure their weights, and calculate the sample mean. We could then use statistical methods to determine whether the sample mean is significantly different from the hypothesized value of 9.0 lb. If it is, we would reject the null hypothesis in favor of the alternative hypothesis.

To learn more about alternative hypothesis click here: brainly.com/question/30535681


#SPJ11

when ashley commutes to work, the amount of time it takes her to arrive is normally distributed with a mean of 33 minutes and a standard deviation of 2 minutes. out of the 260 days that ashley commutes to work per year, how many times would her commute be shorter than 37 minutes, to the nearest whole number?

Answers

Ashley's commute using normal distribution would be shorter than 37 minutes is approximately about 254 times out of 260 days.

Mean = 33 minutes

Standard deviation = 2 minutes

Sample size = 260 days

Use the properties of the normal distribution to find the number of times.

Ashley's commute would be shorter than 37 minutes.

First, we need to standardize the value 37 using the formula,

z = (x - μ) / σ

where x is the value we want to standardize,

μ is the mean of the distribution,

and σ is the standard deviation of the distribution.

Plugging in the values, we get,

z = (37 - 33) / 2

 = 2

Next, we need to find the probability that a standard normal variable is less than 2.

In a standard normal table to find that,

Attached table.

P(Z < 2) = 0.9772

This means that the probability of Ashley's commute being less than 37 minutes is 0.9772.

To find the number of times this would happen out of 260 days, multiply this probability by the total number of days,

0.9772 x 260 = 254.0 Rounding to the nearest whole number.

Therefore, the Ashley's commute would be shorter than 37 minutes about 254 times out of 260 days using normal distribution.

Learn more about normal distribution here

brainly.com/question/15890313

#SPJ4

Marked price 2150 selling price 2065 what is the discount offered

Answers

The discount offered can be calculated by subtracting the selling price from the marked price, and then dividing the result by the marked price. Using this formula, the discount offered on the item is: ((2150 - 2065) / 2150) * 100 = 3.95%. Therefore, the discount offered on the item is 3.95%.

The area of a rectangular plot of land is (x2 +13x+40)sq.m
i) find the length and breadth of the field
ii) If the length and breadth of the land are reduced by2/2m respectively, find the new area of the land ​

Answers

Answer:

(X+8) (x+5)

Step-by-step explanation:

factorise it

Other Questions
If a cow with an assimilation efficiency of 10% and a production efficiency of 20% eats 50 of grass, the expected increase in biomass of the cow would be a. 200 g. b. 500 g c. 1 kg. d. 10 kg. What can be done t0 reduce the inflated familywise error rate that occurs when performing multiple pairwise comparisons t0 follow up significant Kruskal-Wallis test? Use lower probability as the threshold for significance. Use higher probability as our threshold for significance Use the Jonckheere-Terpstra test None of these are correct: why is it necessary to plan an advertising strategy? what factors should be considered? PLSSSSS HELPPPPPPP QUICKKKK the pedigree below shows the inheritance pattern of a trait. is this a dominant or a recessive trait? what is the genotype of individual ii2 ? The function C(x) = 7,200 + 52x models the cost to produce x number of sheets of metal. The function R(x) 500x represents the revenue earned on the sale of each sheet of metal. Waich function, P(x), represents the= Revenue profit the company earns on sheet metal production? (Profit=revenue-Cost) solifluction occurs when melted ground flows downslope in overlapping sheets. what kind of regions does this occur in? 1. What is a requirement for any law that is challenged in the supreme court?It must be a federal law, not a state law, local law, or ordinance.It must be argued that it violates an individuals constitutional rights.It cant involve a criminal charge of any sort (e.g., murder).It must be based in prior case law. what are some examples of legislation or changes in public policy that resulted from social movement activism in the united states after world war ii? cite at least three. the two streetlights are 5.0 m apart. at what distance (in km) will an eye with pupil diameter of 3.0 mm no longer be able to resolve the two streetlights? assume a wavelength of 550nm for the light. in what sense do parties help to maintain government legitimacy? a. they facilitate compromise rather than conflict. b. they add stability and order to the organization of government. c. they aggregate diverse interests into larger, more manageable groups. d. they give citizens a way to communicate their needs to the government. A block of unknown mass is in simple harmonic on a flat, frictionless surface because it is attached to a spring with a spring constant of 78.5 N/m. The block is tapped and then a timer is started later. At this time (t=0 s), the displacement of the block from the equilibrium position is 8.6 cm, its velocity is 0.653 m/s, and the acceleration of the block is 57.7 m/s2. (a) What is the angular frequency? (b) What is the mass of the block? (c) What is the block's maximum displacement? (d) At what time(s) would the block be at this maximum displacement? tamikas math teachers plots student grades on their weekly quizzes against the number of hours yhe say they study on the pair of coordinate axes and then draws the lines of best fits. what is the meaning of the x-value on the line when y = 100 cells were exposed to varying concentrations of an antibiotic. which of the following mechanisms of action of this antibiotic could be supported by the data below? inhibition of group of answer choices peptidoglycan linkage. 80s ribosome. nuclear function. teichoic acid formation. plasma membrane formation. Question 9 of 25This table shows values that represent an exponential function.12345y79132137What is the average rate of change for this function for the interval from x = 1to x = 3? if the index of refraction of glass for red light is 1.45, what is the speed of a photon in the glass? 300,000 km/s 3 x 108 m/s 2.07 x 108 m/s 4.35 x 108 m/s he term refers to cognitive orientations that lead people to process social information on the basis of sex-linked associations. question 17 options: sex differences gender stereotypes gender schemata masculinity-femininity dimension when responding to a call light, the nurse finds a client with aggressive behaviors pacing and restless in the room. the client shouts what took you so long to get in here!. which action should the nurse implement 5 pointsWhat will happen in a situation where the accomplice commits to the crime, but turns and runs away at the moment the crime is committed without any effort to stop or prevent the crige?A:The defendant may be convicted regardless of his or her lack of participation.B:The defendant will be acquitted because of his or her lack of participation in the crime.C:The defendant will be acquitted because of his lack of mens rea or actus reus.D:None of the above. APRIL 25. Even the morning air is sultry today. I would have fished for my breakfast last night before sunset, but I knew that it would surely spoil before morning. Drinking my water warm has taken some getting used to. Its funny how we take certain things like ice for granted. If I become desperate I can always resort to eating the freeze dried rations, but that defeats my purpose for being here to begin with. Besides, they are about as edible as the tough, dry bark in a long dead tree. I think I have almost learned to track the time by the rays of the sun. Time, like water, seems to sit in a pot unable to boil if your eye isnt constantly on it. Time seems to be the only thing that man hasnt learned to control; but I am sure some genius like Fred Johnson is currently working on it, while sitting in a cubicle checking the four thousand emails on his Palm Pilot. As for me, I think I will lean back on this dune and nap a while before I head out to catch some lunch.The passage is best described as adiary entrynews storyfictional playbusiness letter