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harina [27]
1 year ago
13

Which expression is equivalent to the following complex fraction?

Mathematics
1 answer:
tino4ka555 [31]1 year ago
8 0

Answer:

(y - x)/(y + x)

Step-by-step explanation:

(1/x - 1/y)/(1/x + 1/y) =

= (1/x - 1/y)/(1/x + 1/y) × (xy)/(xy)

= (y - x)/(y + x)

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A trampolinist steps off from 15 feet above ground to a trampoline 13 feet below. The function h (t) = -16 t 2 + 15, where t rep
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Answer:

Trampolinist will land on the trampoline after 0.9 seconds.

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The function h(t) = -16t² + 15 represents the relation between height 'h' above the ground and the time 't' of the trampolinist.

We have to find the time when trampolinist lands on the ground.

That means we have to find the value of 't' when h(t) = 15 - 13 = 2

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When we plug in the value h(t) = 2

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16t² + 2 = 15

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