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Evgen [1.6K]
3 years ago
14

The height, h, of a falling object t seconds after it is dropped from a platform 300 feet above the ground is modeled by the fun

ction h (t) = 300 minus 16 t squared. Which expression could be used to determine the average rate at which the object falls during the first 3 seconds of its fall?
h(3) – h(0)
h (three-thirds) minus h (zero-thirds)
StartFraction h (3) Over 3 EndFraction
StartFraction h (3) minus h (0) Over 3 EndFraction
Mathematics
2 answers:
Bogdan [553]3 years ago
4 0

Answer:

Average rate of fall = \frac{h(3)-h(0)}{3}

Step-by-step explanation:

Since they give you an expression for the position of the object as a function of time, one can derive the average velocity of the object during the first 3 seconds of the fall by estimating the position of the object at time 0, the position of the object at time 3 seconds, finding the displacement of the object (distance covered) in that interval of time (via a subtraction of these two quantities), and finally dividing this change by the elapsed time (3 seconds) thus using the concept that velocity is the quotient between distance covered over the elapsed time:

Average rate of fall = (h(3) - h(0))/ 3

Average rate of fall = \frac{h(3)-h(0)}{3}

erik [133]3 years ago
4 0

Answer:

D

Step-by-step explanation:

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Answer:

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6 0
3 years ago
A Best Eastern Motel is a regional motel chain. Its rooms rent for $90 per night, on average. The variable cost is $40 a room pe
Vlad1618 [11]

Answer: break even point  (y) = 24000

Step-by-step explanation:

This is quite simple to solve,

We will take a step by step calculation.

let us begin;

Given that the Room rent per night is = $90

Also the variable cost per night = $40

Total fixed cost = $1200,000

Now we are asked to solve for the Break even point;

Remember that at break even point, the Revenue = cost

Say the required revenue from renting y rooms R = $90y

The cost of renting y rooms = C = $ (40y + 1200,000)

therefore from this we have the Break even point as

$90y = $ (40y + 1200,000)

where y = 24000

cheers i hope this helps!!!!!!

4 0
3 years ago
Read 2 more answers
A cylinder has a volume of 360 cubic centimeters. Find the volume of a cone with the same height and diameter as
harina [27]

Formula for the cylinder = V=πr2h

Formula for the cone = 1/3πr²H

Description:

So if the  cone and a cylinder have the same radius and the same height then it will be greater. So plug in these formula.

Formula:

Vcone = 3Vcone

Vcylinder = 360cm³

Vcone = 1/3 360cm³ = 120cm³

Answer: 120cm³

Hope this helps.

4 0
3 years ago
What is the rate and unit rate for 5pencils for 11 dollars?
Harrizon [31]
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7 0
3 years ago
I need help I think we are almost done ;-;
topjm [15]

Answer:

C)

Step-by-step explanation:

7 0
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