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2 years ago

Jake studied x hours for a big test. Julie studied twice as long.

Mathematics

1 answer:

mina [271]2 years ago

7 0

Answer:

x times 2

Step-by-step explanation:

the unknown in this problem is the amount of time Jake spent studying. What we do know, is that Julie spent 2 times as long as Jake has. So you take Jake's time and multiply it by 2 sice Julie studied twice as long.

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3 years ago

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faust18 [17]

Answer:

The answer to your question is these lines are not perpendicular.

Step-by-step explanation:

Data

A (4, 2)

B (-1, 4)

slope = m = 4

Perpendicular lines mean that these lines cross and form an angle of 90°. Also, the slope of perpendicular lines is negative reciprocals.

Process

1.- Find the slope of the second line and compare it to the slope given.

slope = $\frac{y2 - y1}{x2 - x1}$

Substitution

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Simplification and result

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