2 years ago

Help asap!What is the best approximate for the area of this circle?

Mathematics

2 answers:

melamori03 [73]2 years ago

8 0

Answer: D. 113.04 ft

Step-by-step explanation:

area of circle = π r^2

π6^2

π36

3.14 x 36

113.04

amm18122 years ago

6 0

Answer:

B.37.7

Step-by-step explanation:

Half of the diameter is 6 ft, so the diameter is 12 ft.

12 ft * 3.14 = 37.68

37.68 is approximately 37.7 ft.

37.7 ft. is the answer.

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tekilochka [14]

Answer:

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Step-by-step explanation:

95/500=19

100-19=81

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2 years ago

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2 years ago

In a free-fall experiment, an object is dropped from a height of h = 400 feet. A camera on the ground 500 ft from the point of i

PilotLPTM [1.2K]

Hmmm the object, is at rest, when dropped, so it has a velocity of 0 ft/s

the only force acting on the object, is gravity, using feet will then be -32ft/s²,

was wondering myself on -32 or 32.. but anyhow... we'll settle for the negative value, since it seems to be just a bit of convention issues

so, we'll do the integral to get v(t) then

$\bf \displaystyle \int -32\cdot dt\implies -32t+C
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\textit{object moves from \underline{rest}, so velocity is 0 at 0secs}
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-32(0)+C=0\implies C=0\implies \boxed{v(t)=-32t}
\\\\\\
\textit{now to get the positional s(t)}
\\\\\\
\displaystyle \int -32t\cdot dt\implies -16t^2+C
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\textit{the initial \underline{position} was 400ft away at 0secs}
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when will it reach the ground level? let's set s(t) = 0

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part B) check the picture below

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2 years ago

Which factor does the width of the peak of a normal curve depend on?

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The answer would be standard deviation.

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2 years ago

Read 2 more answers