on what interval is the following curve concave downward? (enter your answer using interval notation.) y = x t2 t2 t 9 dt 0

Answers

Answer 1

The curve given by the equation y = x(t^2/t^2 + t + 9) dt on the interval [0,∞) is concave downward on the interval [3, ∞).

To find where the curve is concave downward, we need to take the second derivative of the function and check where it is negative. Taking the second derivative of the given function with respect to x, we get:

y'' = 2t^2(t^2 + 18)/[(t^2 + t + 9)^3]

To find where y'' is negative, we need to solve the inequality 2t^2(t^2 + 18)/[(t^2 + t + 9)^3] < 0. Factoring the numerator, we get:

2t^2(t^2 + 18) = 2t^2(t+√18)(t-√18)

This is negative when t is between -√18 and 0, and also when t is between 0 and √18. However, we need to consider the interval [0,∞) only, which means we should take the solution from the interval [0, √18]. Therefore, the curve is concave downward on the interval [3, ∞).


To learn more about concave downward click here: brainly.com/question/29121586


#SPJ11


Related Questions

Other things being equal, an increase in relative U.S. Real GDP growth compared to the rest of the world is likely to cause an increase in the: 1. Quantity of exports. 2. Quantity of imports. 3. Demand for U.S. dollars. 4. International value of the U.S. dollar.

Answers

An increase in relative U.S. Real GDP growth compared to the rest of the world is likely to cause an increase in the demand for U.S. dollars and the international value of the U.S. dollar. This is because investors and traders will see the U.S. as a more attractive place to invest, which will increase the demand for U.S. currency. As a result, the international value of the U.S. dollar will increase, making exports more expensive and imports cheaper. This means that the quantity of exports will decrease while the quantity of imports will increase.

The U.S. dollar is a reserve currency, which means that it is widely used in international transactions and is held by foreign governments and central banks. An increase in relative U.S. Real GDP growth makes the U.S. economy more attractive to investors and traders, which increases the demand for U.S. dollars. This higher demand leads to an increase in the international value of the U.S. dollar, which in turn makes exports more expensive and imports cheaper.

In conclusion, an increase in relative U.S. Real GDP growth compared to the rest of the world is likely to lead to an increase in the demand for U.S. dollars and the international value of the U.S. dollar. This will result in a decrease in the quantity of exports and an increase in the quantity of imports.

To know more about GDP visit:

https://brainly.com/question/30111703

#SPJ11

A seal swims on a bearing of 055 degrees for 4km. How far north is the seal from its starting point?

Answers

Using the concept of bearing and displacement, the seal is 3.276km from it's starting point.

How far north is the seal from its starting point?

To determine how far north the seal is from its starting point, we need to find the northward component of its displacement.

Given that the seal swims on a bearing of 055 degrees, we can consider this as the direction with respect to true north. To find the northward component, we need to calculate the sine of the angle.

The northward component can be found using the formula:

Northward component = Displacement * sin(Bearing)

In this case, the displacement is 4 km, and the bearing is 055 degrees.

Northward component = 4 km * sin(55 degrees)

Using a calculator, we find that sin(55 degrees) ≈ 0.8192.

Northward component ≈ 4 km * 0.8192

Northward component ≈ 3.276 km

Therefore, the seal is approximately 3.2768 km north of its starting point.

Learn more on bearing here;

https://brainly.com/question/22719608

#SPJ1

solvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvve

Answers

Step-by-step explanation:

We know that

In the isolcels triangle base angles are equal.The sum of triangle is 180°

<L = <N so

2(4x + 23)° + (3x + 46)° = 180°.. b/c all sum is 180°

8x + 46 + 3x + 46 = 180°

11x +92 = 180

11x = 180 - 92

11x = 88

11x /11 = 88 / 11

x = 8 so we can solve angle of each <M = 3x+ 46

<M =3(8) +46

<M = 24 + 46

<M =70 so angle M measure 70°

the other 2 sides are congrunt so their base angles are equal.

< L = < N =4x + 23

< L = < N =4(8) + 23

< L = < N =32 + 23

< L = < N =55°

So angle L and N is 55° .

Find the surface area PLSSS TYY

Answers

The surface area of the prisms found from the sum of the areas  of the the individual surfaces of the prism are;

23) 60 cm²

24) 124 ft²

25) 48 mi²

26) 132 yd²

27)50.2 mi²

28) 72 km²

29) 112 yd²

30) 154 mi²

31) 150 mi²

32) 288 km²

33) 156 in²

34) 96.2 in²

What is the surface area of a solid?

The surface area of a prism is the sum of the surface areas of the faces on the prism surface.

23) Surface area = 3.5 × 2 × (2 + 6)/2 + 2 × 4 × 2 + 2 × 6 + 2 × 2 = 60

The surface area = 60 cm²

24) Surface area = 3.5 × 2 × (2 + 6)/2 + 2 × 4 × 6 + 6 × 6 + 2 × 6 = 124

The surface area of the prism = 124 ft²

25) Surface area = 2 × (1/2) × 4 × 3 + 3 × 5 + 3 × 3 + 4 × 3 = 48

The surface area = 48 mi²

26) Surface area = 2 × (8 × 3 + 3 × 6 + 3 × 8) = 132

The surface area = 132 yd²

27) Surface area = 1.7 × 2 × (2 + 4)/2 + 4 × 4  + 3 × 2 × 4 = 50.2

The surface area = 50.2 mi²

28) Surface area = 2 × (6 × 3 + 3 × 2 + 2 × 6) = 72

The surface area = 72 km²

29) Surface area = 4 × 4 × 4 + 2 × 6 × 4 = 112

The surface area = 112 yd²

30) Surface area = 4 × 2 × 7 + 2 × 7 × 7 = 154

The surface area = 154 mi²

31) Surface area = 6 × 5 × 5 = 150

The surface area = 150 mi²

32) Surface area = 4 × 5 × 8 + 2 × 8 × 8 = 288

The surface area = 288 km²

33) Surface area = 2.8 × 2 × (6 + 4)/2 + 2 × 8 × 3  + 4 × 8 + 8 × 6 = 156

The surface area = 156 in²

34) Surface area = 2.6 × 2 × (2 + 5)/2 + 2 × 6 × 3  + 2 × 6 + 5 × 6 = 96.2

The surface area = 96.2 mi²

Learn more on the surface area of solids here: https://brainly.com/question/10167689

#SPJ1

The radius r of a circle is increasing at a rate of 5 centimeters per minute. (a) Find the rate of change of the area when r = 12 centimeters. (b) Find the rate of change of the area when r = 32 centimeters.

Answers

(a) To find the rate of change of the area when r = 12 centimeters, we need to use the formula for the area of a circle, which is A = πr^2. We can then take the derivative of both sides with respect to time t, which gives us:
dA/dt = 2πr(dr/dt)

Substituting in the given values, we get:
dA/dt = 2π(12)(5) = 120π
Therefore, the rate of change of the area when r = 12 centimeters is 120π square centimeters per minute.
(b) To find the rate of change of the area when r = 32 centimeters, we can use the same formula and approach as in part (a), but with r = 32:
dA/dt = 2πr(dr/dt)
dA/dt = 2π(32)(5) = 320π
Therefore, the rate of change of the area when r = 32 centimeters is 320π square centimeters per minute.

Learn more about rate of change here:

https://brainly.com/question/29518179

#SPJ11

Find the absolute maximum and minimum values (if they exist) of the function on the described domain. Check extrema on any curves using a parametrization. (a) f(z,y) = x2 – y2 – 20 – 3, on (0,3] x [-1, 1] (b) g(z,y) = 1 + xy – 2y?, on the domain y>0, y VII<1. (c) h(x,y) = 22 + y2 +ry, on the unit circle.

Answers

The domain of f(x, y) is a closed and bounded region, hence by the Extreme Value Theorem, absolute maximum and minimum values exist.

To find them, we first check for critical points by setting the partial derivatives equal to zero:

fx = 2x = 0, so x = 0

fy = -2y = 0, so y = 0

The only critical point is (0, 0). We also need to check for extreme values on the boundary of the domain.

On the curve x = 0, we have f(0, y) = -y^2 - 23, which has a maximum value of -20 at y = 0 and a minimum value of -24 at y = ±1.

On the curve x = 3, we have f(3, y) = 9 - y^2 - 23, which has a maximum value of -14 at y = 0 and a minimum value of -30 at y = ±1.

On the curve y = ±1, we have f(x, ±1) = x^2 - 21, which has a maximum value of 2 at x = ±√21 and a minimum value of -19 at x = 0.

Therefore, the absolute maximum value of f(x, y) is 2, which occurs at (±√21, ±1), and the absolute minimum value of f(x, y) is -30, which occurs at (3, ±1).

(b) The domain of g(x, y) is y > 0 and y < 1, which is an open and unbounded region. Therefore, the absolute maximum and minimum values may not exist. However, we can still find critical points by setting the partial derivatives equal to zero:

gx = y = 0, so y = 0

gy = x - 4y^3 = 0, so x = 4y^3

The only critical point is (0, 0), but it is not in the domain of g(x, y). Therefore, there are no critical points to consider.

(c) The domain of h(x, y) is the unit circle centered at the origin, which is a closed and bounded region. Hence, by the Extreme Value Theorem, absolute maximum and minimum values exist. To find them, we first find critical points by setting the partial derivatives equal to zero:

hx = 2x = 0, so x = 0

hy = 2y + r = 0, so y = -r/2

Substituting y = -r/2 into the equation of the circle x^2 + y^2 = 1, we get x^2 + r^2/4 = 1, or x = ±√(1 - r^2/4). Thus, the critical points are (±√(1 - r^2/4), -r/2).

We also need to check for extreme values on the boundary of the domain (the unit circle). Since the unit circle is a closed and bounded region, by the Extreme Value Theorem, the absolute maximum and minimum values of h(x, y) on the unit circle occur at either the critical points or at the endpoints of the boundary.

At the endpoints of the boundary, we have h(1, 0) = 23, which is the maximum value, and h(-1, 0) = 25, which is the minimum value.

At the critical points, we have h(±√(1 - r^2/4), -r/2) = 22 + r^2/4, which

Visit here to learn more about Extreme Value Theorem:

brainly.com/question/30459993

#SPJ11

Patricio measured the length of the line at Muffles' truffle shop on Tuesday and found
that it was 11 yards long. How many inches long was the line on Tuesday?

Answers

The line at Muffles' truffle shop on Tuesday was 396 inches long.

Given that the Tuesday, Patricio counted the line at Muffles' truffle business and discovered that it was 11 yards long.

To convert yards to inches, we need to know that 1 yard is equal to 36 inches.

Therefore, to find the length of the line in inches, we can multiply the length in yards by the conversion factor:

Length in inches = Length in yards × Conversion factor

Length in inches = 11 yards × 36 inches/yard

Length in inches = 396 inches

So, the line at Muffles' truffle shop on Tuesday was 396 inches long.

Learn more about conversion factor click;

https://brainly.com/question/30567263

#SPJ1

Please help fast I’ll mark brainly

Answers

Answer:

[C] 30

Step-by-step explanation:

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

                            Preferred Food

                               Pizza                    Burger                 Other                 Total

               Girl             5                             6                       4

Gender   Boy            7                              5                       3

               Total

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

We first have to add them up to find the total.

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

                            Preferred Food

                               Pizza                    Burger                 Other                 Total

               Girl             5                             6                       4                        15

Gender   Boy            7                              5                       3                        15

               Total        12                            11                        7                       30

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

Based on what we record in the table. We can see that;

30 people took part in the survey.

RevyBreeze

Answer:

30 people took part in the survey.

50 Points Math Image
Determine the degree of overlap (high, moderate, low, or none).

Answers

Answer:

its none

Step-by-step explanation:

can i get brainliest please

It’s almost the end of highschool and I need this done by tomorrow. I only need the right side done (the circled even numbers) please help and I’ll grant you brainly.

Answers

Answer:

Step-by-step explanation:

find the mass of the ball of radius 3 centered at the origin with a density f(rho,φ,θ)=5e−rho3.

Answers

The resulting value will give you the mass of the ball of radius 3 centered at the origin with the given density function.

To find the mass of the ball with a radius of 3 centered at the origin, we need to integrate the density function over the volume of the ball.

The density function is given as f(ρ, φ, θ) = 5e^(-ρ^3), where ρ represents the radial distance, φ represents the azimuthal angle, and θ represents the polar angle.

In spherical coordinates, the volume element is given by ρ^2 sin(φ) dρ dφ dθ.

To integrate over the ball, we need to set the limits of integration as follows:

ρ: 0 to 3

φ: 0 to π

θ: 0 to 2π

The mass of the ball can be calculated using the integral:

Mass = ∫∫∫ f(ρ, φ, θ) ρ^2 sin(φ) dρ dφ dθ

Mass = ∫[0 to 2π] ∫[0 to π] ∫[0 to 3] 5e^(-ρ^3) ρ^2 sin(φ) dρ dφ dθ

This integral needs to be evaluated numerically using appropriate software or numerical techniques.

The resulting value will give you the mass of the ball of radius 3 centered at the origin with the given density function.

Visit here to learn more about density function:

brainly.com/question/31039386

#SPJ11

Help FAST PLEASE hich of the following ordered pairs represents the point plotted and labeled A?

The x-axis starts at negative 4, with tick marks every unit up to positive 4. The y-axis starts at negative 4, with tick marks every unit up to positive 4. Point D is two units left of the origin. Point A is one unit left and two units up from the origin. Point C is two units down from the origin. Point F is one unit right and two units up from the origin. Point B is three units right and one unit up from the origin. Point E is three units right and one unit down from the origin.

(−1, 2)
(−2, 0)
(0, −2)
(1, 2)

Answers

Answer:

  (a)  (-1, 2)

Step-by-step explanation:

You want the ordered pair that represents the coordinates of a point 1 unit left and 2 units up from the origin.

Coordinates

The (x, y) coordinates of a point on the Cartesian plane represent (units right, units up) relative to the origin. When the direction is left or down, the sign of the corresponding coordinate is made negative.

  (1 left, 2 up)   ⇒   (-1, 2), matching choice A

<95141404393>

when the logarithmic transformation is applied to the nonlinear model y=β0eβ1xε, the resulting model is intrinsically linear with an intercept of:

Answers

When the logarithmic transformation is applied to the nonlinear model y=β0eβ1xε, the resulting model is intrinsically linear with an intercept of ln(β0).

This transformation involves taking the natural logarithm of both sides of the equation, which yields ln(y) = ln(β0) + β1x + ε. The resulting equation is now linear, as it has a constant slope (β1) and an intercept (ln(β0)). This transformation is often used to simplify the analysis of nonlinear relationships, as it allows for the use of linear regression techniques. Additionally, taking the logarithm of the dependent variable can help to stabilize the variance of the errors, which can improve the accuracy of the model. However, it is important to note that this transformation can also make the interpretation of the coefficients more difficult, as they now represent the percentage change in y associated with a one-unit increase in x, rather than the absolute change in y. Overall, the logarithmic transformation can be a useful tool in analyzing nonlinear relationships, but it is important to carefully consider the implications of this transformation on the interpretation of the model and its coefficients.

Learn more about logarithm here:

https://brainly.com/question/30226560

#SPJ11

In a group of 50 executives, 27 have a type A personality. If one executive is selected at random from this group, what is the probability that this executive has a type A personality?

Answers

The probability of selecting an executive with a type A personality can be calculated by dividing the number of executives with a type A personality by the total number of executives in the group. the probability of selecting an executive with a type A personality from this group is 0.54, or 54%.

P(type A) = number of executives with type A personality / total number of executives
P(type A) = 27 / 50
P(type A) = 0.54 or 54%
Therefore, the probability of selecting an executive with a type A personality from this group is 54%. Probability = (Number of desired outcomes) / (Total number of possible outcomes)
Probability = 27 / 50
Now, we can simplify the fraction:
Probability = 0.54
So, the probability of selecting an executive with a type A personality from this group is 0.54, or 54%.

learn more about  probability here: https://brainly.com/question/31828911

#SPJ11



find two other pairs of polar coordinates of the given polar coordinate, one with r > 0 and one with r < 0. then plot the point. (a) (4, 7/4) (r, ) = (r > 0) (r, ) =

Answers

One pair of polar coordinates with r < 0 would be (-4, 7/4 + π), which corresponds to the same point but on the opposite side of the origin.

The given polar coordinate is (4, 7/4). To find two other pairs of polar coordinates, we can use the fact that the point lies on the terminal ray of multiple angles that differ by integer multiples of 2π.

Specifically, we can add or subtract 2π from the given angle to get two other angles that correspond to points with the same distance from the origin.

So, one pair of polar coordinates with r > 0 would be (4, 7/4 + 2π), which corresponds to the same point on the terminal ray but with a larger angle.

One pair of polar coordinates with r < 0 would be (-4, 7/4 + π), which corresponds to the same point but on the opposite side of the origin.

To plot the point (4, 7/4), we first move out 4 units from the origin in the direction of the angle 7/4 (measured counterclockwise from the positive x-axis).

This gives us a point on the terminal ray of the angle with distance 4 from the origin. We then label this point with the given polar coordinates.

To plot the other two points, we repeat the process with the angles we found above, using a dashed line to differentiate them from the original point.

To know more about coordinates click here

brainly.com/question/29189189

#SPJ1

x ^ 2 - 6x - 40 + 14y + y ^ 2​

Answers

The simplified expression is: x(x - 6) + y(y + 14) - 40

How did we arrive at this expression?

The given expression is:

x² - 6x - 40 + 14y + y²

This is a quadratic expression in terms of x and y. To factorize it, group the terms that involve x together and the terms that involve y together:

(x² - 6x) + (y² + 14y) - 40

Now, factorize the terms involving x and y:

x(x - 6) + y(y + 14) - 40

So, the simplified expression is:

x(x - 6) + y(y + 14) - 40

Note that this expression cannot be simplified any further.

learn more about quadratic expression: https://brainly.com/question/1214333

#SPJ9

The complete question goes thus:

Factorize: x ^ 2 - 6x - 40 + 14y + y ^ 2

find the exact length of the curve. x = 2 3 t3, y = t2 − 2, 0 ≤ t ≤ 5

Answers

The exact length of the curve is approximately 32.953 units.

The length of a curve defined parametrically by x=f(t) and y=g(t) for a≤t≤b can be calculated by using the following formula:

L = ∫a^b √[f'(t)^2 + g'(t)^2] dt

Using the given values, we have:

f(t) = 2/3 t^3

g(t) = t^2 - 2

a = 0

b = 5

Taking the derivatives, we get:

f'(t) = 2t^2

g'(t) = 2t

Plugging these values into the formula, we get:

L = ∫0^5 √[(2t^2)^2 + (2t)^2] dt = ∫0^5 2t√(5t^2 + 4) dt

This integral cannot be evaluated using elementary functions, so we need to use numerical methods to find an approximate value.

Using a numerical integration method such as Simpson's rule with n=10, we get:

L ≈ 32.953

Therefore, the exact length of the curve is approximately 32.953 units.

To know more about length click here

brainly.com/question/30625256

#SPJ11

when vlad moved to his new home a few years ago, there was a young oak tree in his backyard. he measured it once a year and found that it grew by 26 2626 centimeters each year. 4.5 4.54, point, 5 years after he moved into the house, the tree was 292 292292 centimeters tall. how tall was the tree when vlad moved into the house? centimeters how many years passed from the time vlad moved in until the tree was 357 357357 centimeters tall?

Answers

we can use the information given about its growth rate and the height after 4.5 years:So, it took 7 years from the time Vlad moved in until the tree was 357 centimeters tall.

Height increase per year = 26 centimeters
Years since Vlad moved in = 4.5 years
Height after 4.5 years = 292 centimeters
To calculate the initial height of the tree, we can multiply the growth rate by the number of years and add it to the starting height:
Initial height = Height after 4.5 years - (Height increase per year x Years since Vlad moved in)
Initial height = 292 - (26 x 4.5)
Initial height = 168 centimeters
Therefore, the tree was 168 centimeters tall when Vlad moved into the house.
To find out how many years passed from the time Vlad moved in until the tree was 357 centimeters tall, we can use the same formula and solve for the number of years:
Height increase per year = 26 centimeters
Initial height = 168 centimeters
Final height = 357 centimeters
To calculate the number of years, we can rearrange the formula as follows:
Years = (Final height - Initial height) / Height increase per year
Years = (357 - 168) / 26
Years = 6.04 years (rounded to two decimal places)
Therefore, it took approximately 6 years and 1 month for the tree to grow from 168 centimeters to 357 centimeters tall.
To determine the height of the oak tree when Vlad moved into the house, we can use the given information. The tree grows by 26 centimeters each year, and it was 292 centimeters tall after 4.5 years.
First, let's find the total growth during the 4.5 years:
26 cm/year * 4.5 years = 117 cm
Now, subtract the total growth from the current height to find the initial height:
292 cm - 117 cm = 175 cm
So, the oak tree was 175 centimeters tall when Vlad moved into the house.
To find out how many years passed until the tree was 357 centimeters tall, we can use the growth rate again:
First, find the difference in height between the target height (357 cm) and the initial height (175 cm):
357 cm - 175 cm = 182 cm
Now, divide the difference in height by the growth rate to find the number of years:
182 cm / 26 cm/year = 7 years

learn more about information here :https://brainly.com/question/27798920

#SPJ11

pls help! Find the coordinates of the midpoint of line segment CN with endpoints C(-7, -6) and N(-3,5).


A. (-6,-1)
B. (-4,0)
C. (-10,-1)
D. (-5,-0.5)

Answers

The coordinates of the midpoint of the line segment CN with endpoints C(-7, -6) and N(-3,5) are (-5, -0.5). So, the correct answer is:

D. (-5,-0.5)

find the general solution of the given differential equation. u'' 02u = cos t, 2 ≠ 02

Answers

The given differential equation is a second-order homogeneous linear differential equation with constant coefficients. The characteristic equation is r^2 + 2 = 0, which has roots r = ±sqrt(2)i. Since the roots are complex conjugates, the general solution can be written as u(t) = c1*cos(sqrt(2)t) + c2*sin(sqrt(2)t), where c1 and c2 are constants determined by the initial conditions.

To find the particular solution for the non-homogeneous term cos(t), we can use the method of undetermined coefficients. Since the characteristic equation has imaginary roots, the guess for the particular solution must be of the form u(t) = Acos(t) + Bsin(t), where A and B are constants to be determined. Taking the derivatives of this guess and substituting them into the differential equation, we can solve for A and B.

The final solution is the sum of the homogeneous and particular solutions: u(t) = c1*cos(sqrt(2)t) + c2*sin(sqrt(2)t) + (1/2)*(cos(t) - sqrt(2)*sin(t)). This is the general solution to the given differential equation.

To learn more about particular solution : brainly.com/question/31591549

#SPJ11

find and classify the critical points of f(x, y) = x 2 − 2x y 2 − 4y 5.

Answers

The critical points of the function f(x, y) = x^2 - 2xy^2 - 4y^5 can be found by setting the partial derivatives with respect to x and y equal to zero and solving for x and y. Taking the partial derivative with respect to x, we get 2x - 2y^2 = 0. Taking the partial derivative with respect to y, we get -4xy - 20y^4 = 0. Solving these equations simultaneously, we get two critical points: (0, 0) and (2, -1/2).

To classify the critical points, we need to use the second partial derivative test. Taking the second partial derivative with respect to x, we get 2. Taking the second partial derivative with respect to y, we get -8xy - 100y^3. At (0, 0), the second partial derivative with respect to y is zero, so we cannot use the second partial derivative test. At (2, -1/2), the second partial derivative with respect to y is negative, so the critical point is a local maximum. Therefore, the critical points of f(x, y) = x^2 - 2xy^2 - 4y^5 are (0, 0) and (2, -1/2), with the critical point (2, -1/2) being a local maximum.

To learn more about second partial derivative : brainly.com/question/31386850

#SPJ11

report error the straight-line distance from capital city to little village is $140$ miles. from capital city to mytown is $80$ miles, from mytown to yourtown is $25$ miles, and from yourtown to little village is $35$ miles. how far is it from mytown to little village?

Answers

The distance from my town to the little village is $35$ miles.

To find the distance from my town to the little village, we need to add up the distances of each segment of the trip. We know that the straight-line distance from the capital city to the little village is $140$ miles, but we can't use that information directly. Instead, we need to use the distances between each town.
From the capital city to my town is $80$ miles, from my town to your town is $25$ miles, and from your town to the little village is $35$ miles. Adding those distances gives us:
$80 + 25 + 35 = 140$ miles
So the distance from my town to the little village is $35$ miles.

Learn more about segment here:

https://brainly.com/question/31304314

#SPJ11

Jacquie used an app to simulate a coin flip 40 times. The
app shows that the coin lands on heads 22 times.
Based on Jacquie's results, which of the predictions below
is correct?

Answers

C. The coin lands in heads 550 out of 1000 times

*step by step answer*
40-22 = 18
1000/40 = 25
25 x 18= 550

I need help with this?​

Answers

The graph of the system of inequalities is attached to the solution.

Given is a system of inequalities, y > -x/3+5 and y ≥ 3,

So, we will simply find the coordinates of both the inequalities, and plot them,

We know that the solution of a system of inequalities is all the part which is common in both the inequalities.

So, here the first inequality,

y > -x/3+5

Finding the coordinates,

y = -x/3+5

Put x = 0

y = 5

(0, 5)

Put y = 0,

x = 15

(15, 0)

Therefore, the inequality will pass from these two lines, and since the sing is > so the shaded part will be above the line and the line will be dotted.

And y ≥ 3,

In this inequality the graph will simply pass by y = 3 and since the sing is ≥ so the shaded part will be above the line and the line will solid line.

Learn more about the system of inequalities click;

https://brainly.com/question/19526736

#SPJ1

what is the cost of installing a fence around a rectangular shaped lot if the cost of the fence is $3.25 per linear foot and the lot is 80 ft. wide and 120 ft. deep?

Answers

The cost of installing a fence around an 80 ft. wide and 120 ft. deep rectangular lot, with the fence priced at $3.25 per linear foot, will be $1,300.

To determine the cost of installing a fence around a rectangular lot, you need to calculate the total length of the fence required and then multiply that by the cost per linear foot. The given dimensions of the lot are 80 feet wide and 120 feet deep.
First, calculate the perimeter of the rectangular lot. The perimeter of a rectangle is given by the formula P = 2L + 2W, where L is the length (or depth) and W is the width. In this case, the perimeter is P = 2(120) + 2(80) = 240 + 160 = 400 feet.
Next, multiply the total length of the fence by the cost per linear foot, which is $3.25. So, the cost of installing the fence is 400 feet × $3.25 per linear foot = $1,300.

To learn more about rectangular lot, refer:-

https://brainly.com/question/14255028

#SPJ11

The total length of a road trip was 19.2 hours. If highway signs are posted every 0.8 hours, including one at the end of the road trip, how many highway signs will there be on the road trip?

Answers

According to the Question predicts that there are 24 highway signs throughout the journey.

How are lengths determined?

Length can indeed be measured in a variety of ways, including handspan, foot span, meters, inches, and millimeters. There are two categories of length measurement units: There are conventional units for measuring length and nonstandard ones.

Division will help us resolve this issue. We may calculate of highway signs by dividing the overall driving time, 19.2 hours, by the 0.8-hour includes an aspect interval.

[tex]\sf \dfrac{19.2 \ hours}{0.8 \ hours/sign} =24[/tex]

Therefore, there will be 24 highway signs on the road trip.

To know more about Length visit:

brainly.com/question/24371813

For x in the isosceles triangle below.

Answers

Answer: x=6

Step-by-step explanation:

Since isosceles triangles have two sides of equal length, the side of 24 in is equal to the side of 6x-12. So, with the equation 24=6x-12, you should find x to be 6.

What is the greatest common factor of 66,94,and87?

Answers

The greatest common factor of 66, 94, and 87 is 1.

To find the greatest common factor (GCF) of these three numbers, we need to find the common factors that they share. First, we can factor each number into its prime factors:

66 = 2 * 3 * 11

94 = 2 * 47

87 = 3 * 29

The only factor that all three numbers share is the number 1. Therefore, the GCF of 66, 94, and 87 is 1.

It's important to note that the GCF is the largest factor that two or more numbers have in common. In this case, the three numbers do not have any factors larger than 1 in common, so the GCF is 1.

To learn more about prime factors : brainly.com/question/29763746

#SPJ11

The first three terms of a sequence are given. Round to the nearest thousandth (if necessary). 3 , 9 , 27 , Find the 7th term

Answers

The 7th term of the sequence is 729. To find the 7th term, we notice that the sequence is formed by multiplying each term by 3. Therefore, the 4th term is 327=81, the 5th term is 381=243, the 6th term is 3243=729, and the 7th term is 3729=2187.

In this problem, we are given the first three terms of a sequence and asked to find the 7th term. A sequence is a list of numbers in a specific order, where each number is called a term. To find the next term in a sequence, we need to identify the pattern or rule that generates the sequence.

In this case, we notice that each term is obtained by multiplying the previous term by 3. That is, if a_1=3, a_2=9, a_3=27, then a_4=3a_3=81, a_5=3a_4=243, a_6=3a_5=729, and a_7=3a_6=2187.

Therefore, the 7th term is 2187. It is important to round to the nearest thousandth only when we are dealing with decimal numbers. Since the terms of this sequence are integers, we do not need to round.

Learn more about sequence here: brainly.com/question/30262438

#SPJ11

f(x)=x^3+1000 i need help

Answers

Answer:x=-10

Step-by-step explanation:

i used a app i could be wrong :/

Other Questions
what is the main duty of your core muscles during muscular fitness/movement exercises? muscle fitness chapter 11 Which correctly lists the area of the figures in order from least to greatest? If government revenues in 2018 were $3.1 trillion and government outlays, including interest on debt, were $2.8 trillion, the federal O budget deficit was $300 billion debt was unaffected in that year, debt increased $300 billion. Odebt decreased $300 billion budget was balanced, Discuss FOUR contributing factors that may lead to learners violating the rights of others at school. which was not evidence gathered alfred wegener during his expeditions used to construct his theory of continental drift? Which of the following best illustrates rising productivity: A) An expansion of the labor force B) An increase in the value of financial capital C) A decrease in the amount of physical capital per worker D) A decrease in the amount of labor needs to produce unit of output E) An increase in the amount resources required to produce a certain level of output To celebrate National Teacher Day, a social media user starts a #MyFavTeacher hashtag and encourages other users to say thank you to their favorite teacher.The FBI is concerned about the trend and whether users will accidentally reveal information that can be used to answer bank account security questions.Which tweet would be the least concerning to the FBI? you are assigned to an internal affairs investigation in which you must investigate a fellow detective you have worked with more than once. what is this an example of? which of the following statements about the hipaa security rule are true? established a national set of standards for the protection of phi that is created, received, maintained, or transmitted in electronic media by a hipaa covered entity (ce) or business associate (ba) protects electronic phi (ephi) addresses three types of safeguards - administrative, technical and physical ? that must be in place to secure individuals' ephi all of the above a gas has a pressure of 995.5 mm hg at 0.1 oc. what is the temperature at standard pressure? gay lussacs law The block and the spool have the same mass. The strings are pulled with the same constant tension and start pulling at the same instant. Make the approximation that the strings and the hook are Blo Same Same a. Does the spool cross the finish line before, after, or at the mass same instant as the block? Explain Spool b. Consider the following dialogue between two students: Student "I think that there's the same amount of work done on block and spool as they both move the same distanceStudent 2:"I disagree. I think that the hand pulling the spool does more work than the hand pulling the block since the string unwinds as the spool is pulled. With which student, if either, do you agree? c. When each crosses the finish line, is the total kinetic energy of the spool greater than, less than, or equal to that of the block? Explain. D. When each crosses the finish line, is the translational kinetic energy of the spool greater than, less than, or equal to that of the block? Explain A keyword set to _____ match type will display your ad if the search term includes that keyword, or a very close variation.broadexactspecificnegative The box plot below summarizes math test scores.Math Test Scoresa What was the greatest test score?& Explain why the median is not in the middle of the box.e. What percent of the scores were between 71 and 96?d. Half of the scores were higher than what score? Which of the following is a fundamental premise of the general adaptation syndrome?Multiple ChoiceAll stress responses will always result in exhaustion.The perception of what is stressful varies across people.Stress acts on the parasympathetic nervous system.A stressor produces the same response in all people. dogs are inbred for such desirable characteristics as color; but an unfortunate by-product of such inbreeding can be the emergence of characteristics such as deafness. a 1992 study of bull terriers (by strain and others, as reported in the veterinary journal) found the following: (i) 50% of the studied bull terriers are white. (ii) 11% of the studied bull terriers are deaf. (iii) 20% of the white bull terriers are deaf. what is the probability that a randomly chosen bull terrier is white and deaf? according to uncertainty reduction theory, there are three factors that influence if we want to reduce our uncertainty about someone. which of the following is not one of those factors d. All 16. A copper rod of 0.4 kg at 150C is dropped into 0.8 kg of water at 20C. The final temperature is 40C. What is the specific heat of copper rod? a. 1565 J/kgC c. 1527.7 J/kgC b. d. 1500 J/kgC 700 J/kgC genetic exception laws group of answer choices require a separation of genetic information from other medical information. grant the right of death row inmates to demand genetic dna testing if they think the tests might exonerate them. grant legal custody of a child to the genetic parent in cases of in vitro fertilization or surrogate mothers. allow stem cell treatment of genetic disorders. When an acid and a base are mixed, the excess ions: Help me (question 4) (Q4)Answer:Explanation: