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dalvyx [7]
2 years ago
5

A driveway 18 ft wide and 36 ft. long is to be paved with concrete 3 in. thick. How many cubic yards of concrete are required?

Mathematics
1 answer:
amm18122 years ago
8 0

Answer:

6 yds^3

Step-by-step explanation:

I find these easiest if you put all of the dimensions into yards and then multiply

18 ft =  6 yds

36 ft = 12 yds

3 in = 3/36 yds    = 1/12 yds     now multiply them together

6 x 12 x 1/12 = 6 yds^3

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Read 2 more answers
Simplify 0.95x-9-1/2x(36-18y)-0.25(-3x+4.8)
iris [78.8K]

Answer: 9xy−16.3x−10.2

Step-by-step explanation:

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=0.95x+−9+9xy+−18x+0.75x+−1.2

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7 0
3 years ago
A grandmother says her grandson is two years older years older than her ganddaughter and that together , they are at least 12 ye
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 let x represent granddaughter and x +2 for grandson and together they = 12
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-2 from both sides to isolate x
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