Answer:
The answer is 12x^4+10x^3-22x^2-15x
Step-by-step explanation:
Answer:
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Step-by-step explanation:
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The Ratios has a unit rate of 8
A - 40:5
C - 96:12
D - 48:6
Dividable by 8
Answer:
Length of the rectangle = 16.5 feet
Step-by-step explanation:
Border length bought = 62.5 feet
Including 5 feet extra
Border length needed = 62.5 feet - 5 feet
= 57.5 feet
Border needed = perimeter of the rectangle = 57.5 feet
Width of the rectangle = 12.25 feet
Length of the rectangle = x feet
Perimeter of a rectangle = 2(Length + width)
57.5 =2(x + 12.25)
57.5 = 2x + 24.5
57.5 - 24.5 = 2x
33 = 2x
x = 33/2
x = 16.5 feet
Length of the rectangle = 16.5 feet
Set up a proportion:
2 x
-- = --
5 10.5
Then just solve for x