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Stolb23 [73]
3 years ago
11

Please help ASAP please

Mathematics
1 answer:
lesantik [10]3 years ago
3 0

The answer is 1 19/80 or 1.2375.

Hope this helps!

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Jeb is the local tennis pro at the country club, and he needs to know at what height the tennis ball needs to be when he hits it
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Answer:

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Step-by-step explanation:

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t = √(h/(1/2×g)) = √(0.3/(1/2 × 9.8)) ≈ 0.2474

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The time it takes the ball to reach the net, tₓ ≈ 1.24 seconds

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The height, hₓ the ball falls in 1.24 seconds = 7.5 m

The height the ball falls in the time taken to reach the net from 20 meters = The height, hₓ the ball falls in 1.24 seconds

Therefore, the height at which Jeb needs to hit the ball = The height the ball falls in the time taken to reach the net from 20 meters + The height of the net = 7.5 m + 0.3 m = 7.8 m

The height at which Jeb needs to hit the ball = 7.8 m

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3 years ago
What is 5.082 * 45 decomposed
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72.3 is the correct answer because it is correcto
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