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timurjin [86]
2 years ago
10

Find radius of a circle whose arclength is 57.1 meters and central angle of 1.46 radians

Mathematics
1 answer:
max2010maxim [7]2 years ago
3 0
Hint:  \bf s=r\theta\implies \cfrac{s}{\theta}=r\qquad 
\begin{cases}
s=\textit{arc's length}\\
\theta=\textit{central angle, in radians}\\
r=radius
\end{cases}
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Step-by-step explanation:

This year = Last year * (100%-9%)

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Slav-nsk [51]

Answer:

3 seconds

Step-by-step explanation:

You want to set h(t)=3, then take the root such that t≠0. You would have:

3=3+48t−16t^2

Let's solve your equation step-by-step.

3=3+48t−16t2

Step 1: Simplify both sides of the equation.

3=−16t2+48t+3

Step 2: Subtract -16t^2+48t+3 from both sides.

3−(−16t2+48t+3)=−16t2+48t+3−(−16t2+48t+3)

16t2−48t=0

Step 3: Factor left side of equation.

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Step 4: Set factors equal to 0.

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3 makes more sense than 0 because the ball can't have been in the air for 0 seconds.

So the ball was in the air for 3 seconds.

7 0
3 years ago
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elena-s [515]
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7 0
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Read 2 more answers
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marshall27 [118]
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