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vampirchik [111]
3 years ago
8

Can someone please help I asked earlier but no one is answering!

Mathematics
1 answer:
Agata [3.3K]3 years ago
7 0

Answer:

So the expression would be P = 2L + 2w

Tho that's about all I know, you could try plugging in 5.5 for L and w so then it would be <em>P = 2(5.5) + 2(5.5^2)</em> But I'm not too sure, sorry about that.

Step-by-step explanation:

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3 years ago
A basketball player, standing near the basket to grab a rebound, jumps 66.1 cm vertically. How much time does the player spend i
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Answer:

0.293 s

Step-by-step explanation:

Using equations of motion,

y = 66.1 cm = 0.661 m

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t = ?

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Then we can calculate the two time periods at which the basketball player reaches ths height that corresponds with the top 10.5 cm of his jump.

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y = 0.556 m

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t = ?

y = ut + (1/2)gt²

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4.9t² - 3.6t + 0.556 = 0

Solving the quadratic equation

t = 0.514 s or 0.221 s

So, the two time periods that the basketball player reaches the height that corresponds to the top 10.5 cm of his jump are

0.221 s, on his way to maximum height and

0.514 s, on his way back down (counting t = 0 s from when the basketball player leaves the ground).

Time spent in the upper 10.5 cm of the jump = 0.514 - 0.221 = 0.293 s.

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2 years ago
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3 years ago
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First, make all the fractions have the same denominator. That would make 39/6 + 50/6. Then, just add the tops together, and your answer is 89/6.

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