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victus00 [196]
3 years ago
8

The quadratic function h(t)=-16.1t^2 + 150 models a balls height, in feet, over time, in seconds, after it is dropped from a 15

story building.
- From what height, in feet, was the ball dropped?
-After how many seconds, rounded to the nearest hundredth, did the ball hit the ground?
Mathematics
1 answer:
zzz [600]3 years ago
4 0
In order to find height from where ball is dropped, you have to find height or h(t) when time or t is zero.So plug in t=0 into your quadratic equation:h(0) = -16.1(0^2) + 150h(0) = 0 +150h(0) = 150 ft is the height from where ball is dropped. When ball hits the ground, the height is zero. So plug in h(t) = 0 and solve for t.0 = -16.1t^2 + 15016.1 t^2 = 150t^2 = 150/16.1t = sqrt(150/16.1)t = ± 3.05Since time cannot be negative, your answer is positive solution i.e. t = 3.05 
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Answer:

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Step-by-step explanation:

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* Lets solve the problem

∵ The function C(t) = P(1 + r)^t represents the population of

  centerville at year t, where P is the initial population and r is the

  rate of increase

- Ex: If your investment is increased 10% annually, then that means

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∴ (1 + r) is the factor grows each year

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∴ C depends on P(starting population) , r(the increasing rate and

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∵ r is the rate of increase means the percentage of increasing , then

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∵ P is the initial amount when t = 0

∴ P represents the population in year 0

4 0
3 years ago
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2 years ago
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Artyom0805 [142]
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mr_godi [17]

The computation shows that the difference in depth is 16 feet

<h3>How to calculate the value?</h3>

From the information, in January, it measured 6 ft deep, or |−6|, and in July, it was -22.

Therefore the difference between the depth will be:

= -6 - (-22)

= -6 + 22

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Therefore, the difference in depth is 16 feet

Learn more computation on:

brainly.com/question/4658834

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5 0
9 months ago
Round to the nearest hundredth please answer I need it
ioda

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60 degrees

Step-by-step explanation:

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