what is true about the slope of the line segment between points G and H and the slope of the line segment between points G and I refer to the graph bellow

A. the slope has different signs
B.the slopes are the same because the small triangle and the large triangle are similar
C.the slopes are different because the triangles are different sizes
D.it is not possible to determine the slopes from the gragh

What Is True About The Slope Of The Line Segment Between Points G And H And The Slope Of The Line Segment

Answers

Answer 1

The statement that is true about the slope of both line segments is: "B. the slopes are the same because the small triangle and the large triangle are similar."

What is the Slope of a Line?

The Slope of a line is simply the ratio of the vertical distance over the horizontal distance along the line, which is calculated as: m = change in y / change in x or rise / run of the line. Also, note that the corresponding sides of two triangles will have the same slope.

Slope of line segment GH (m) = rise/run = -2/1 = -2

Slope of line segment HI (m) = rise/run = -4/2 = -2

This means that the slope of the hypotenuse of both triangles are the same because they are similar. The answer is: "B. the slopes are the same because the small triangle and the large triangle are similar."

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Related Questions

find equations for the tangent lines and the normal lines to the hyperbola for the given value of x. (the normal line at a point is perpendicular to the tangent line at the point.)x24− y2 = 1, x = 4

Answers

To find the equations of the tangent and normal lines to the hyperbola x^2/4 − y^2/1 = 1 at the point where x = 4, we need to first find the y-coordinate of the point of tangency. We can do this by substituting x = 4 into the equation of the hyperbola and solving for y:

x^2/4 - y^2/1 = 1

(4)^2/4 - y^2/1 = 1

16/4 - y^2/1 = 1

4 - y^2 = 1

y^2 = 3

y = ±√3

So, the point of tangency is (4, √3).

Now, to find the equation of the tangent line at this point, we need to take the derivative of the equation of the hyperbola implicitly with respect to x:

x^2/4 - y^2/1 = 1

Differentiating both sides with respect to x:

x/2 - 2y(dy/dx) = 0

dy/dx = x/(4y)

At the point (4, √3), we have:

dy/dx = 4/(4√3) = √3/3

So the slope of the tangent line at this point is √3/3. Using the point-slope form of the equation of a line, we can write the equation of the tangent line as:

y - √3 = (√3/3)(x - 4)

Simplifying, we get:

y = (√3/3)x - (√3/3)∙4 + √3

y = (√3/3)x - (√3/3) + √3

y = (√3/3)x + 2√3/3

To find the equation of the normal line, we first need to find its slope, which is the negative reciprocal of the slope of the tangent line. So:

m(normal) = -1/m(tangent) = -1/(√3/3) = -√3

Using the point-slope form again, the equation of the normal line is:

y - √3 = (-√3)(x - 4)

Simplifying, we get:

y = -√3x + 4√3 + √3

y = -√3x + 5√3

So the equations of the tangent and normal lines to the hyperbola x^2/4 − y^2/1 = 1 at the point where x = 4 are:

Tangent line: y = (√3/3)x + 2√3/3

Normal line: y = -√3x + 5√3

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Find the X. Then use x ti find the lenght and width off each ​

Answers

Answer: 3

Step-by-step explanation:

6+6=12
24-12=12
12/2=6
Making the answer 6

suppose (x, y, z) are jointly uniform in the unit sphere in 3-dimensional space. find the distribution of x^2 y^2 z^2.

Answers

The distribution of x^2 y^2 z^2 is not uniform. To find the distribution, we need to use the transformation method.

Let g(x,y,z) = x^2 y^2 z^2. Then, we need to find the Jacobian of the transformation. J = | ∂(x,y,z)/∂(u,v,w) |, where (u,v,w) = (x^2 y^2 z^2, θ, φ)

∂(x,y,z)/∂u = 2xy^2z^2
∂(x,y,z)/∂v = -x^2y^2zsin(φ)
∂(x,y,z)/∂w = -x^2y^2z^2cos(φ)

Therefore, J = 2x^2y^3z^3sin(φ)cos(φ)

The joint distribution of (u,v,w) is given by:

f(u,v,w) = f(x,y,z) |J|, where (x,y,z) is uniform on the unit sphere.

Since (x,y,z) is uniform on the unit sphere, we know that:

f(x,y,z) = 1/(4π)

Substituting the Jacobian, we get:

f(u,v,w) = 1/(4π) * 2x^2y^3z^3sin(φ)cos(φ)

To find the marginal distribution of u, we integrate out v and w:

f(u) = ∫∫ f(u,v,w) dv dw
     = ∫∫ 1/(4π) * 2x^2y^3z^3sin(φ)cos(φ) dv dw

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Greg granted a truck for one day there was a base fee of $19.95 and then there was additionally charged of 83 cents for each mile driven Greg had to pay $185.12 when he returned to the truck for how many miles did he drive the truck.

Answers

Greg drove approximately 199.1 miles in the truck.

To solve this problem

We can subtract the base fee from the total amount he paid and then divide the remaining amount by the additional charge per mile.

Total amount paid - Base fee = Additional charge for miles

$185.12 - $19.95 = $165.17 (additional charge for miles)

To calculate the number of miles travelled, divide the additional fee by the fee per mile:

$165.17 / $0.83 per mile = 199.1 miles

Therefore, Greg drove approximately 199.1 miles in the truck.

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Shirley is drawing triangles that have the same area. The base of each triangle varies inversely with the height. What are the possible base and height of a second triangle if the first triangle's base is 12 and its height is 8 ?

Answers

The possible base and height of a second triangle that has the same area as a first triangle with a base of 12 and a height of 8 are (8, 12) or (6, 16).

The triangles have the same area, their base and height are inversely proportional to each other.

This means that if we multiply the base of the first triangle by some factor must divide its height by the same factor to keep the area the same.

Let's use "k" as the constant of proportionality that relates the base and height of the triangles.

Then, we can write:

base₁ × height₁ = base₂ × height₂

The subscripts 1 and 2 refer to the first and second triangles respectively.

The base and height of the first triangle so we can substitute those values:

12 × 8 = base₂ × height₂

Simplifying, we get:

96 = base₂ × height₂

Now, since the base and height are inversely proportional can choose any pair of values that multiply to 96.

The base of the second triangle is 8 then its height must be:

height₂ = 96 / base₂

= 96 / 8

= 12

Alternatively, if the base of the second triangle is 6, then its height must be:

height₂ = 96 / base₂

= 96 / 6

= 16

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A factory packages breakfast items including granola bars. Use the table to determine the unit rate of granola bars per box. Granola Bars 12 42
Boxes 2 7

Answers

The unit rate of granola bars per box is 6.

Given the data:

Granola Bars: 12, 42

Boxes: 2, 7

To determine the unit rate of granola bars per box, we need to find the ratio of the number of granola bars to the number of boxes.

For the first set, we have 12 granola bars and 2 boxes.

For the second set, we have 42 granola bars and 7 boxes.

To find the unit rate, we divide the number of granola bars by the number of boxes:

Unit rate = Number of granola bars / Number of boxes

For the first set:

Unit rate = 12 / 2 = 6 granola bars per box

For the second set:

Unit rate = 42 / 7 = 6 granola bars per box

Therefore, the unit rate of granola bars per box is 6.

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The complete question is as follows:

A factory packages breakfast items including granola bars. Use the table to determine the unit rate of granola bars per box.

Granola Bars: 12, 42

Boxes: 2, 7

What is factoring by finding the common factor and why is it important?

How do you identify the common factor when factoring an algebraic expression?

Can you provide an example of factoring by finding the common factor?

What are the steps involved in factoring by finding the common factor?

Is it always possible to factor an algebraic expression by finding the common factor?

Answers

To factorize any given equation, the first concept to be learnt is GCF(greatest common factor), identifying maximum common power, besides the concept of handling polynomial using the quadratic formula (for maximum power = 2) can also be used.

Example : Consider the following equation - [tex]x^5 + 3x^4+2x^2+4x[/tex], here we observe that the greatest common factor of the coefficients' is 1, while for the power of variable 'x', the minimum is 1, therefore we take x common. One way to factorize :

[tex]x(x^4+3x^3+2x+1)[/tex] . Another way to write the above mentioned is :

[tex]x^4(x+3)+2x(x+2)[/tex]

Hope, the steps are clear and easy to understand. You can also use quadratic formula to find roots and then put them in (x+a)(x+b) form

which value of r indicates a stronger correlation: r=0.835 or r= - 0.854? explain your reasoning..

Answers

The value of r=-0.854 indicates a stronger correlation than r=0.835.

To determine which value of r indicates a stronger correlation, r=0.835 or r=-0.854, we need to compare their absolute values.

Step 1: Find the absolute values of both correlation coefficients.
|r=0.835| = 0.835
|r=-0.854| = 0.854

Step 2: Compare the absolute values.
0.835 < 0.854

The value of r=-0.854 indicates a stronger correlation than r=0.835.

This is because the absolute value of -0.854 (0.854) is greater than the absolute value of 0.835 (0.835), meaning that the correlation is stronger, regardless of the negative sign.

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what is the median of this data?
9 3 10 5 5 8 9 9 8 7

Answers

Answer:

8

Step-by-step explanation:

put the numbers in order smallest to largest

3 5 5 7 8 8 9 9 9 10

you need to find the middle number but because there is an even amount of numbers you need to find the two middle numbers and add them then divide by 2.

In this case it's the 8+8 =16

16/2=8

Calculate the size of angle x.
x
240°
x
x

Answers

Answer:

280 degrees.

Step-by-step explanation:

The way you work this out is by:

1) Work out 240-360

2) Subtract the answer from 360

3) Divide the answer of step 2 into however many angles you have (in this instance 4).

4) Then use one of these angles and subtract it from 360. This will give you a reflex angle.

5) That's it.

Answer:

Angle x is 280°

----------------------

We know that the sum of interior angles of a quadrilateral is 360°.

Show this as a sum using angle measures in the diagram:

3(360 - x) + (360 - 240) = 3603*360 - 3x + 120 = 360360 - x + 40  = 120x = 400 - 120x = 280

A garden is √30m long and √8m wide. The garden is covered in grass except for a small rectangular pond which is √2m long and √6m wide. Express the area of the pond as percentage of the area of the garden

Answers

Step-by-step explanation:

Garden area = L x W = sqrt (30 *8) = sqrt (240)

Pond area = L x W = sqrt (2 *6) = sqrt (12)

Percentage of the garden that is pond:

   pond area / garden area   x 100%

          sqrt (12) / sqrt(240)   x 100%  =  sqrt (1/20)   x100% = 22.36 %

I NEED HELP SOMEONE PLEASE

Answers

Point A is at (4,1).

Point B is at (1,5).

Imagine drawing that blue triangle with a point at (1,1).

The distance of that bottom side would be (4-1) = 3.

The distance of the left side would be (5-1) = 4.

You can just could these distances on the graph or subtract the coordinates.

Now use the pyth. Theorem to find the hypotenuse, which is the length of one of the edges of the square.

3^2 + 4^2 = c^2

9+16 = 25 = c^2, so c = 5.

All sides of a square are the same.

AB = 5

BC = 5

CD = 5

DA = 5

Perimeter = 5+5+5+5 = 20 units

Area = 5x5 = 25 sq units.

See screenshot attached.

Have a good afternoon.

At a conference, there are 150 math teachers and 15 science teachers. Write the ratio of math teachers to science teachers in simplest form

Answers

The simplest form of the ratio is 10.

What is simplest form definition and examples?

A fraction is said to be in its simplest form if 1 is the only common factor of its numerator and denominator. For example,89,because 1 is the only common factor of 8 and 9 in this fraction. We simplify fractions because it is always to work or calculate when the fractions are in the simplest form.

We have the information:

There are 150 math teachers

and, 15 science teachers

We have to find the ratio of math teachers to science teachers in simplest form.

Now, According to the question:

The ratio will be:

=> 150/15 = 10

Hence, The simplest form of the ratio is 10.

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aric monitored the weight of a baby cotton top tamarin. when it was 4 weeks old, it weighted 70 grams. it weight increase by 10 grams each week for the next two weeks.aric said that meant the percent change in its weight was the same each week is he correct? why or why not?

Answers

Answer:

incorrect

Step-by-step explanation:

Weight at 4 weeks old: 70 g

The weight increases 10 g per week.

Weight at 5 weeks old: 80 g

Percent change from 70 g to 80 g

percent change = (new amount - old amount)/(old amount) × 100%

percent change = (80 - 70)/70 × 100%

percent change = 14.3%

Weight at 5 week: 80 g

The weight increases 10 g per week.

Weight at 6 weeks: 90 g

percent change = (new amount - old amount)/(old amount) × 100%

percent change = (90 - 80)/80 × 100%

percent change = 12.5%

The percent change went from 14.3% to 12.5%.

He is incorrect. The percent change is smaller each week because the actual change is always the same, 10 g per week, but the starting weight each week is greater.

What is the equilibrium price in the market depicted below?
Price
PRENDRE
13
12
$10
$13
$16
11 12 13 14 15
Quantity

Answers

The new equilibrium price is $12. The Option B is correct.

What is the new equilibrium price?

To find new equilibrium price, we need to compare the original supply and demand schedules to the new supply schedule after the technological advance.

The new supply schedule can be found by adding 60 units to the original quantity supplied at each price.

Price $10 11 12 13 14 15

Quantity Demanded 100 150 190 220 245 265

Original Quantity Supplied 295 275 250 220 180 135

New Quantity Supplied 355 335 310 280 240 195

The new equilibrium price is where the quantity demanded equals the quantity supplied. Looking at the new schedules, we can see that the new equilibrium price is $12.

Full question" Use the following table to answer the question below. Price $10 11 12 13 14 15 Quantity Supplied Quantity Demanded A) $13. 100 150 190 220 245 265 295 275 250 220 180 135 If a technological advance lowers production costs such that the quantity supplied increases by 60 units of this product at each price, the new equilibrium price would be Price $10 11 12 13 14 15 A) $13. B) $12. C. $14 D. $11

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In circle Q with m/PQR = 30 and PQ = 9 units, find the length of arc PR.
Round to the nearest hundredth.

Answers

The length of the arc PR of the circle comes out to be 5.71 units

Arc refers to a part of the circumference or the perimeter of a circle

Given:

m ∠PQR = 30

PQ = 9 units

PQ is the radius of the circle as it originates from the center and end lies on the circumference of the circle

Thus, r = 9 units

Length of arc = (θ ÷ 360) * 2πr

where θ is the measure of the angle subtended by the arc

r is the radius

Thus,

PR = (30 ÷ 360) * 2π9

= 1/12 * 2 * 3.14 * 9

= 1.57 * 3

= 5.71 units

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the volume of a cylinder is 96 π cubic meters and the height is 6 meters. find the diameter of the base of the cylinder.

Answers

The value of the diameter of the base of the cylinder is,

⇒ d = 8

We have to given that;

The volume of a cylinder is 96 π cubic meters

And, the height is 6 meters.

Since, We know that;

Volume of cylinder is,

V = πr²h

Substitute all the values we get;

96π = π × r² × 6

16 = r²

r = √16

r = 4

Thus, The value of the diameter of the base of the cylinder is,

⇒ d = 4 × 2

⇒ d = 8

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I need to find what is the solution of 3^8 times 3^2

Answers

Answer:

59049

Step-by-step explanation:

Let 'a' be a base number (like 3 in the question).

a^K  X  a^L =  a^(K + L)

this will work as long as the base number is the same.

in this question, 3 is the base for both.

so we have 3^8  X  3^2 = 3^(8+2) = 3^10 = 59049

30 points plus brainliest if you answer the ones in the photo

8. Simplify
7/2a • 5/a^2

Answers

The simplified form of [tex]7/2a * 5/a^2[/tex]  is  [tex]35/(2a^3)[/tex].

What is the simplified form of the expression?

An expression refers to statement having minimum of two numbers, variables or both and an operator connecting them.

To simplify expression [tex]\frac{7}{2a} * \frac{5}{a^2}[/tex] , we will combine the numerical coefficients and simplify the variables separately.

We will multiply the numerical coefficients:

= 7/2 * 5

= 35/2

We will simplify the variables:

[tex]= a * a^2\\= a^{1+2}\\= a^3[/tex]

By combining coefficients and variables, we have:

[tex]= (35/2) * (1/a^3)\\= 35/(2a^3).[/tex]

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9. let = [ 4 0 1 2 3 2 1 0 4] a. find the eigenvalues of . b. for each eigenvalue , find the rank of the matrix − . c. is diagonalizable? justify your conclusion.

Answers

The eigenvalues of the matrix A are λ₁ = 1, λ₂ = 2, and λ₃ = 12. For each eigenvalue, the rank of the matrix A - λI is 2, 2, and 3, respectively. The matrix A is diagonalizable.

a. To find the eigenvalues of the matrix A = [ [4 0 1][ 2 3 2][ 1 0 4]], we need to solve the characteristic equation det(A - λI) = 0, where I is the identity matrix and λ is the eigenvalue.

The characteristic equation is:

det([ [4 0 1][ 2 3 2][ 1 0 4]] - λ[ [1 0 0][ 0 1 0][ 0 0 1]]) = 0

Simplifying, we get:

det([ [4 - λ 0 1][ 2 3 - λ 2][ 1 0 4 - λ]]) = 0

Expanding the determinant, we get:

(4 - λ) * (3 - λ) * (4 - λ) - 2 * (4 - λ) - 2 * (3 - λ) + 2 * (1 - λ) = 0

Simplifying, we get:

-λ^3 + 11λ^2 - 32λ + 24 = 0

Factoring, we get:

-(λ - 1) * (λ - 2) * (λ - 12) = 0

Therefore, the eigenvalues of the matrix A are λ₁ = 1, λ₂ = 2, and λ₃ = 12.

b. For each eigenvalue, we need to find the rank of the matrix A - λI, where I is the identity matrix and λ is the eigenvalue.

For λ₁ = 1, we have:

A - λ₁I = [ [3 0 1][ 2 2 2][ 1 0 3]]

The rank of A - λ₁I is 2.

For λ₂ = 2, we have:

A - λ₂I = [ [2 0 1][ 2 1 2][ 1 0 2]]

The rank of A - λ₂I is 2.

For λ₃ = 12, we have:

A - λ₃I = [ [-8 0 1][ 2 -9 2][ 1 0 -8]]

The rank of A - λ₃I is 3.

c. To determine if matrix A is diagonalizable, we need to check if it has n linearly independent eigenvectors, where n is the size of the matrix.

Since matrix A is a 3x3 matrix, we need to find three linearly independent eigenvectors. We can find the eigenvectors by solving the system of equations (A - λI)x = 0 for each eigenvalue.

For λ₁ = 1, we have:

(A - λ₁I)x = [ [3 0 1][ 2 2 2][ 1 0 3]]x = 0

Solving the system of equations, we get:

x1 = -1/3 * x3

x2 = 1/2 * x3

Therefore, the eigenvector corresponding to λ₁ is [x1, x2, x3] = [-1, 3, 6].

For λ₂ = 2, we have:

(A - λ₂I)x = [ [2 0 1][ 2 1 2][ 1 0 2]]x = 0

Solving the system of equations, we get:

x1 = -1/2 * x3

x2 = x3

Therefore, the eigenvector corresponding to λ₂ is [x1, x2, x3] = [-1, 1, 2].

For λ₃ = 12, we have:

(A - λ₃I)x = [ [-8 0 1][ 2 -9 2][ 1 0 -8]]x = 0

Solving the system of equations, we get:

x1 = -1/8 * x3

x2 = -2/9 * x3

Therefore, the eigenvector corresponding to λ₃ is [x1, x2, x3] = [-1, -16/9, 8].

Since we have found three linearly independent eigenvectors, the matrix A is diagonalizable.

Therefore, the eigenvalues of the matrix A are λ₁ = 1, λ₂ = 2, and λ₃ = 12. For each eigenvalue, the rank of the matrix A - λI is 2, 2, and 3, respectively. The matrix A is diagonalizable.

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Suppose that C1, C2, C3, ... is a sequence defined as follows: (i = 3, C2 = -9, Ck = Ck-2 + Ck-1 for all integers k> 3. Use strong mathematical induction to prove that Cn. is divisible by 3 for all integers n > 1.

Answers

Their sum Cn = Cn-2 + Cn-1 is also divisible by 3.

Thus, by strong induction, we have proved that Cn is divisible by 3 for all integers n > 1.

What is recurrence relations?

In mathematics, a recurrence relation is a mathematical equation that recursively defines a sequence of values. Recurrence relations are used to describe sequences of numbers or other mathematical objects that depend on previous terms in the sequence.

We will use strong induction to prove that Cn is divisible by 3 for all integers n > 1.

Base case: n = 2

C2 is given to be -9, which is divisible by 3.

Base case: n = 3

C3 = C1 + C2 = 0 - 9 = -9, which is not divisible by 3. However, we will show that the statement holds for all integers up to n - 1, and then use that to prove the statement for n.

Inductive step:

Assume that Ck is divisible by 3 for all integers k such that 2 < k < n. We want to prove that Cn is divisible by 3.

From the recursive definition of the sequence, we have:

Cn = Cn-2 + Cn-1

By our assumption, Cn-2 and Cn-1 are both divisible by 3.

Therefore, their sum Cn = Cn-2 + Cn-1 is also divisible by 3.

Thus, by strong induction, we have proved that Cn is divisible by 3 for all integers n > 1.

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Jestion 8/10
To file your federal and state taxes you
can use tax preparation software for federal taxes,
but can't for state taxes
must prepare the same tax forms for both
can use tax preparation software for state taxes,
but can't for federal taxes
must prepare different forms for each type of
government (if your state requires it) on

Answers

Tax prep software can be used for federal taxes but not always for state taxes, which may require separate forms.

While documenting your government and state charges, you have a couple of choices for how to plan and submit them. One choice is to involve charge planning programming for government charges, which can simplify the cycle and more smoothed out.

In any case, you for the most part can't involve a similar programming for state charges, as each state has its own expense code and necessities.

All things being equal, you might have to set up your state burdens independently, either by finishing up paper structures or utilizing separate duty readiness programming planned explicitly for your state.

A few states bring concurrences with specific expense programming suppliers to the table free or limited programming to occupants, so it merits checking with your state's duty position to see what choices are accessible to you.

It's critical to take note of that while government and state burdens frequently require comparative data, they might require various structures and estimations, so giving close consideration to the particular prerequisites for each kind of tax is significant.

Furthermore, on the off chance that you live in an express that doesn't have a personal expense, you may just have to record a government expense form.

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a store has clearance items that have been marked down by 25%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?

Answers

You would end up paying 43.75% of the original price based on the clearance percent.

Here's how to calculate it:
- Start with the original price. Let's call it 100%.
- The clearance items have been marked down by 25%, so you're now paying 75% of the original price (100% - 25% = 75%).
- The sale is offering an additional 55% off the clearance price. To calculate the final percentage, you need to multiply the current percentage (75%) by the discount percentage (55%), and then subtract that from the current percentage.
- So, 75% x 55% = 41.25%. Subtract that from 75%: 75% - 41.25% = 33.75%.
- This means that you'll end up paying 33.75% of the original price.
- However, we need to remember that we started with 100%, so we need to calculate what percentage 33.75% is of 100%.
- To do this, we divide 33.75 by 100, and then multiply by 100 to get the percentage: (33.75/100) x 100 = 33.75%.
- Therefore, you end up paying 43.75% of the original price (100% - 25% - 41.25% = 33.75%, which is 43.75% of 100%).


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The value represented by point A is ____ -2.5

1. Less than
2. Equal to
3. Greater than​

Answers

Answer:

Step-by-step explanation:

The value represented by point A is less than -2.5.

I don’t understand this question! Please help me find the answer they are compound shapes

Answers

The area of the shaded region in this problem is given as follows:

995.44 cm².

How to calculate the area of a circle?

The area of a circle of radius r is given by the multiplication of π and the radius squared, as follows:

A = πr²

The radius of a circle represents the distance between the center of the circle and a point on the circumference of the circle, hence it's measure is given as follows:

r = 21 cm.

Then the area of the entire circle is given as follows:

A = π x 21²

A = 1385.44 cm².

The right triangle has two sides of length 39 cm and 20 cm, hence it's area is given as follows:

A = 0.5 x 39 x 10

A = 390 cm².

Then the area of the shaded region is given as follows:

1385.44 - 390 = 995.44 cm².

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Find the maximum value of f(x, y, z) = 5xy + 5xz + 5yz – xyz subject to the constraint g(x, y, z) = x + y + z = 1, for x>0, y > 0, and z > 0.

Answers

We can solve this problem using the method of Lagrange multipliers. We need to maximize the function f(x, y, z) subject to the constraint g(x, y, z) = x + y + z = 1. We can set up the Lagrangian function L(x, y, z, λ) as follows:

L(x, y, z, λ) = f(x, y, z) - λg(x, y, z)

= 5xy + 5xz + 5yz - xyz - λ(x + y + z - 1)

To find the critical points of L, we need to take partial derivatives of L with respect to x, y, z, and λ, and set them equal to zero:

∂L/∂x = 5y + 5z - yz - λ = 0

∂L/∂y = 5x + 5z - xz - λ = 0

∂L/∂z = 5x + 5y - xy - λ = 0

∂L/∂λ = x + y + z - 1 = 0

From the first three equations, we can solve for x, y, and z in terms of λ:

x = (λ - 5y - 5z)/(5 - yz)

y = (λ - 5x - 5z)/(5 - xz)

z = (λ - 5x - 5y)/(5 - xy)

Substituting these expressions into the constraint equation x + y + z = 1, we get:

(λ - 5y - 5z)/(5 - yz) + (λ - 5x - 5z)/(5 - xz) + (λ - 5x - 5y)/(5 - xy) = 1

Simplifying this equation, we get:

λ(3xyz - 5(xy + xz + yz)) = -125

Since x, y, and z are positive, we know that 3xyz > 0, so we can divide both sides by 3xyz to get:

λ = -125/(5(xy + xz + yz))

Substituting this expression for λ back into the equations for x, y, and z, we get:

x = 5/3

y = 5/3

z = 1/3

We can check that these values satisfy the constraint equation x + y + z = 1 and that they correspond to a maximum of f(x, y, z) by computing the second partial derivatives of L and evaluating them at the critical point:

∂²L/∂x² = -yz, ∂²L/∂y² = -xz, ∂²L/∂z² = -xy, ∂²L/∂x∂y = 5 - z, ∂²L/∂x∂z = 5 - y, ∂²L/∂y∂z = 5 - x

The determinant of the Hessian matrix of L evaluated at the critical point is:

∂²L/∂x²(∂²L/∂y²)(∂²L/∂z²) + 2∂²L/∂x∂y(∂²L/∂x∂z)(∂²L/∂y∂z) - (∂²L/∂x²)(∂²L/∂y∂z)²

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some researchers decide they want to do a survey with the target population of all americans. the survey will be distributed online. current reports show that 89% of americans utilize the internet. 1. what type of coverage error might occur in this study? 2. what are two ways that bias might be avoided?

Answers

This can help ensure that the responses are accurate and reliable.

What is probability?

Probability is a branch of mathematics that deals with the study of random events or phenomena. It is the measure of the likelihood that an event will occur or not occur, expressed as a number between 0 and 1, where 0 represents impossibility and 1 represents certainty.

The type of coverage error that might occur in this study is under coverage error.

This means that there is a group of people in the target population that are not represented in the sample, in this case, those who do not use the internet.

Two ways to avoid bias in this study are:

Using probability sampling methods:

Probability sampling methods such as simple random sampling, stratified sampling, or cluster sampling can help ensure that each member of the target population has an equal chance of being included in the sample. This can help avoid bias by ensuring that the sample is representative of the target population.

Using proper survey design:

The survey should be designed in a way that avoids leading questions, loaded questions, or questions that are ambiguous or unclear.

The survey should be pretested with a small sample to ensure that the questions are clear, unbiased, and easy to understand.

Hence, This can help ensure that the responses are accurate and reliable.

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Find the slope for the following line:

Answers

Answer:3/4

Step-by-step explanation:

Rhonda bought a new laptop for
. The laptop depreciates, or loses,
of its value each year. The value of the laptop at a later time can be found using the formula
, where P is the original value, r is the rate of depreciation written as a decimal, and t is the number of years since it was purchased. What will the laptop be worth in two years?

In two years, the laptop will be worth $blank.

Answers

The laptop will be worth $594.48 in two years.

To find the value of the laptop in two years, we need to substitute the given values into the formula:

Value = P x (1 - r)ⁿ

In this case, the original value of the laptop is $700, and it depreciates at a rate of 0.08 per year (which is 8% expressed as a decimal). We want to find the value in two years, so t = 2.

Substituting the values into the formula:

Value = $700 x (1 - 0.08)²

Value = $700 x (0.92)²

Value ≈ $700 x 0.8464

Value ≈ $594.48

Therefore, the laptop will be worth $594.48 in two years.

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write the taylor series for f(x)=sin(x)f(x)=sin(x) at x=π2x=π2 as ∑n=0[infinity]cn(x−π2)n.

Answers

Therefore, The Taylor series for f(x)=sin(x) at x=π/2 is ∑n=0[infinity](-1)^n(x−π/2)^{2n+1}/(2n+1)! and can be found by evaluating the derivatives of sin(x) at x=π/2.

The Taylor series for f(x)=sin(x) at x=π/2 can be found by taking the derivative of sin(x) and evaluating it at x=π/2. We get f(π/2) = sin(π/2) = 1 and f'(x) = cos(x). Evaluating f'(π/2) gives us cos(π/2) = 0. We can then find the second derivative f''(x) = -sin(x) and evaluate it at x=π/2 to get f''(π/2) = -1. This pattern continues, with each derivative evaluated at x=π/2 giving us a coefficient for our Taylor series. Therefore, the Taylor series for f(x)=sin(x) at x=π/2 is ∑n=0[infinity](-1)^n(x−π/2)^{2n+1}/(2n+1)!.

Therefore, The Taylor series for f(x)=sin(x) at x=π/2 is ∑n=0[infinity](-1)^n(x−π/2)^{2n+1}/(2n+1)! and can be found by evaluating the derivatives of sin(x) at x=π/2.

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