2 years ago

Please answer thank you

Mathematics

1 answer:

uysha [10]2 years ago

8 0

9514 1404 393

Answer:

AC = 20

Step-by-step explanation:

The triangles are all similar, so the ratios of side to hypotenuse are the same:

5/10 = 10/x

x = 20 . . . . . . multiply by 2x

The length of AC is 20.

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(1 point) A coin, thrown upward at time t = 0 from an office in the Empire State Building, has height in feet above the ground t

mojhsa [17]

Answer:

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Step-by-step explanation:

Given

$h(t) = -16(t - 7)(t + 4)$

Solving (a): Height when coin is thrown

At this point t = 0

So, we have:

$h(0) = -16(0 - 7)(0 + 4)$

Solve expressions in the brackets

$h(0) = -16(-7)(4)$

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<em>Hence, the coin was thrown from 448 feet</em>

Solving (b): Time to hit the ground

At this point, h = 0.

So, we have:

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Reorder

$-16(t - 7)(t + 4) = 0$

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This gives:

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4 0

3 years ago

Please answer thank you​

Please answer thank you