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3 years ago

30 Points!!! Please Help (Surface Area)

1 answer:

4 0

Multiply base x height then divide by 2 if finding surface are if finding volume multiple base x height x width and divide by 3

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The ratio of 3/20 is 3:20

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irina [24]

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2 years ago

kondor19780726 [428]

Answer:

C. 0.23°

Step-by-step explanation:

We are given

$r=\frac{1}{32}v^{2}sin(2\theta)$

Re-arranging this equation (multiply by 32 on both sides and divide by $v^{2}$ on both sides gives us:

$\frac{32r}{v^{2}}=sin(2\theta)$ or

$sin(2\theta)=\frac{32r}{v^{2}}$

Substituting for, r and v we get

$sin(2\theta)=\frac{(32)5000}{4500^{2}}=0.00792\\\\\theta=sin^{-1}(0.0079)=0.4527\\\\\theta=\frac{{0.4527}}{2}=0.2263\approx0.23$

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2 years ago

nordsb [41]

Answer:

Step-by-step explanation:

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3 years ago