What's the equation of the line perpendicular to y=-3/2x+4 through the point ( 2,-3)

1 answer:

6 0

Because it's perpendicular, you know that they must have the same slope, -3/2. So, just factor that and the point into the slope-point form to get

y = -3/2x

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Elio makes candles that are 14 cm tall. Each candle burns 8 hours before going out. He is wondering how many hours a 21 cm tall

MAXImum [283]

Elio is right in assuming the relationship between the height and the hours it burns is proportional.

Find the unit rate

14 ÷ 8 = 1.75 cm/h

Divide

21 ÷ 1.75 = 12

You can set this up as an algebraic equation to check the answer.

If the candle is 21 cm tall, it will burn for 12 hours.

Hope this helped you! :)

8 0

3 years ago

Which expressions have a value equal to −22 ?

erica [24]

Answer

-26+4

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3 years ago

(1/3)x-4(-1)=2 solve for x.

Elodia [21]

Answer: X = -6

Easy Peasy

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