Answer:
35, 48 63 80 99
Step-by-step explanation:
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Width = x
length = x+10
Area of deck = 144 square feet
Area = length * width
144 = x(x+10)
Solving for x in a quadratic:
x²+10x = 144
x²+10x-144 = 0
Factor:
(x+18)(x-8) = 0
Solving for x:
x = 8, x = -18
Dimensions cannot be negative, therefore x = 8, only.
Length = x + 10
Length = 18
Width = 8
Slope = (6 - 3)/(-2-2)
= 3/-4
= -3/4
answer
slope = -3/4
The two cities are actually 427.5 miles apart.
