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2 years ago

11

Hey, help plz! 9r/sif r = 6 and s = 3?????

1 answer:

slega [8]2 years ago

3 0

Answer:

18

Step-by-step explanation:

9 x 6 / 3

54/3

18

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An engineer is designing a fountain that shoots out drops of water. The nozzle from which the water is launched is 3 meters abov

Hoochie [10]

Answer:

After 3 seconds

Step-by-step explanation:

Given

$h(t) = -5t^2 + 14t + 3$

Required

Time the drop will hit the ground

When the drop hits the ground,

$h(t) = 0$

So, we have:

$0 = -5t^2 + 14t + 3$

Rewrite as:

$5t^2 - 14t - 3 = 0$

Expand

$5t^2 + t - 15t - 3 = 0$

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Split

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Time cannot be negative.

So:

$t = 3$

5 0

3 years ago