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yawa3891 [41]
3 years ago
5

3) The height of an object that is thrown straight up from a height of 6 feet

Mathematics
1 answer:
Simora [160]3 years ago
3 0

Answer:

- 44 feets

Step-by-step explanation:

Given the model:

h(t) = -15t2 + 25t + 6

Average height of object from 1 - 4 seconds

At :

t = 1

h(1) = -15(1)^2 + 25(1) + 6 = 16 feets

t = 2

h(2) = -15(2)^2 + 25(2) + 6 = - 4 feets

t = 3

h(3) = -15(3)^2 + 25(3) + 6 = - 54 feets

t = 4

h(4) = -15(4)^2 + 25(4) + 6 = -134 feets

Average height:

(16 + (-4) + (-54) + (-134)) / 4 feets = (- 176 / 4) feets

= - 44 feets

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Colleen rode her bicycle 9.5 miles in 0.8 hour. What was her average speed in miles per hour? a 11.875 miles per hour b 10.3 mil
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Answer:

Collen's average speed was 11.875 miles/h

Step-by-step explanation:

The average speed is given by the total distance travelled divided by the time at which the route was completed. So in this case the total distance is 9.5 miles and the time to complete it was 0.8 hour. We then have:

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3 years ago
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Answer:

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Step-by-step explanation:

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Which represents the inverse of the function f(x) = 4x?
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Answer:

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Step-by-step explanation:

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To find the inverse of this function, you would replace all the y's with x's and all the x's with y's, and then solve for y. That would be:

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