3 years ago

Megan decided to run in a 10-km race. Her time of 82 minutes was twice as long a the winner's time. What was the winner's time?

1 answer:

erik [133]3 years ago

8 0

The answer is 41 because half of 82 is 41

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morpeh [17]

we need to get y alone so subtract 2x from both sides of the equation

2x+4y=12

-2x -2x

-----------------------

4y=-2x+12 now divide both sides by 4

y = -2x/4 +12/4

y = -1/2 x +3

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2 years ago

professor190 [17]

Answer:

$\frac{1}{csc^{2}(x)}+\frac{1}{sec^{2}(x)}$

Step-by-step explanation:

The image below shows step-by-step on how to solve it.

<em>Hope this helps! </em>:)

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Cerrena [4.2K]

Answer:

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Step-by-step explanation:

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2 years ago