2 years ago

A line goes through the points (-3,-6) and (6,9). Find the slope

Mathematics

1 answer:

aliya0001 [1]2 years ago

3 0

Answer:

5/3

Step-by-step explanation:

slope = (difference in y)/(difference in x) = (-6 - 9)/(-3 - 6) = -15/(-9) = 5/3

Answer: 5/3

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2 years ago

The length of a rectangle is twice it’s width. If the area of the rectangle is 72ft ^2, find it’s perimeter

alisha [4.7K]

Hi!

length = l = 2 * width = 2 * w

Area = l * w = l * 2 * l = 2 * l^2

2 * l^2 = 72

l^2 = 72/2 = 36

l = square root of 36

l = 6

l = 2 * w => w = l/2 = 6/2 = 3

Perimeter = 2 * l + 2 * w = 2 * 6 + 2 * 3 = 12 + 6 = 18 feet

Hope this helps!

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