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Aleonysh [2.5K]
4 years ago
5

10 mi.= _________ft.

Mathematics
2 answers:
Savatey [412]4 years ago
8 0
There is 5280 feet in 1 mile

5280 x 10 = 52800

52800 ft is your answer

hope this helps
Keith_Richards [23]4 years ago
7 0
52800 ft is the answer u r looking for. Hope this helps!
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Approximate the change in the volume of a sphere when its radius changes from r​ = 40 ft to r equals 40.05 ft (Upper V (r )equal
alexgriva [62]

Answer:

The change in the volume of a sphere whose radius changes from 40 feet to 40.05 feet is approximately 1005.310 cubic feet.

Step-by-step explanation:

The volume of the sphere (V), measured in cubic feet, is represented by the following formula:

V = \frac{4\pi}{3}\cdot r^{3}

Where r is the radius of the sphere, measured in feet.

The change in volume is obtained by means of definition of total difference:

\Delta V = \frac{\partial V}{\partial r}\Delta r

The derivative of the volume as a function of radius is:

\frac{\partial V}{\partial r} = 4\pi \cdot r^{2}

Then, the change in volume is expanded:

\Delta V = 4\pi \cdot r^{2}\cdot \Delta r

If r = 40\,ft and \Delta r = 40\,ft-40.05\,ft = 0.05\,ft, the change in the volume of the sphere is approximately:

\Delta V \approx 4\pi\cdot (40\,ft)^{2}\cdot (0.05\,ft)

\Delta V \approx 1005.310\,ft^{3}

The change in the volume of a sphere whose radius changes from 40 feet to 40.05 feet is approximately 1005.310 cubic feet.

7 0
3 years ago
Which of the numbers below are whole numbers? Check all that apply.
yarga [219]

Answer:

A D E

Step-by-step explanation:

all the other number have decimals

7 0
3 years ago
A ball is thrown from the top row of seats in a stadium. The function h(t)=-16t^2+64t+80 gives the height, in feet, of the ball
Wewaii [24]

Answer:

<h3>5 seccs</h3>

Step-by-step explanation:

Given the modeled function of the height expressed as;

h(t)=-16t^2+64t+80

The ball hits the ground when h(t) = 0 (when the height is zero)

Substitute into the function and find t;

0 =-16t^2+64t+80

divide through by -16

0 = t²-4t-5

Factorize;

t²-4t-5 = 0

t²-5t+t-5 = 0

t(t-5)+1(t-5) = 0

(t+1)(t-5) = 0

t + 1 = 0 and t-5 = 0

t = -1 and t = 5

Time can't be negative

Hence it will take the ball 5secs before it hits the ground

7 0
3 years ago
Solve the following system using substitution or elimination. Make sure you express your answer as a coordinate point (x, y).
Nastasia [14]

Answer:

(-1,2)

Step-by-step explanation:

2(3x+5)+3x=1

6x+10+3x=1

9x+10=1

9x=-9

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y=3(-1)+5

y=-3+5

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5 0
3 years ago
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Liza decides to bake a cake .If she use 3/4 cups of flour to make the first cake and 1/2 cup of flour for her second cake.How ma
Natalka [10]

Answer:

5/4 cups of flour

Step-by-step explanation:

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8 0
3 years ago
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