Perpendicular lines are two or more lines that intersect at a 90-degree angle, like the two lines drawn on this graph, and the x and y axes that orient them.

8 0

3 years ago

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keisha drove 380 miles using 14 gallond of gas. At this rate, how many gallons of gas would she need to drive 418 miles?

pychu [463]

14gallons=380miles

14/380=0.03684210526gallons/mile

418*0.03684210526=15.4gallons

or you could cross multiply

14gallons=380miles
x gallons=418miles

$\frac{14}{380} = \frac{x}{418}$

380x=5852
divide both sides by 380
x=15.4 gallons

8 0

3 years ago

What's the solution for (9x + 5) - (4x + 3) ?

Vanyuwa [196]

(9x + 5) - (4x+3) = 0
9x - 4x + 5 - 3 = 0
5x + 2 = 0
5x = -2
5x/5 = -2/5
x= -2/5

5 0

3 years ago

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