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neonofarm [45]
3 years ago
6

A new sidewalk will be 4 feet wide, 100 feet long and filled to a depth of 6 inches 0.5 foot with concrete how many cubic yards

of concrete are needed
Mathematics
1 answer:
lapo4ka [179]3 years ago
5 0

Remark

Find the number of cubic feet first, then convert that to cubic yards.

Solution

<em><u>Formula</u></em>

V = 4ft * 100 ft * 0.5 feet

V = 200 cubic feet

<em><u>Conversion Factor</u></em>

1 cubic yard = 27 cubic feet.

x cubic yards = 200 cubic feet

1/27 = x / 200       Cross Multiply

200*1 = 27*x

200/27 = x

x = 7.41 cubic yards.

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Step-by-step explanation:

Regression Output :

Predictor                            Coefficient

Constant                             3.0979

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\hat{y}=3.0979+2.7633x

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\hat{y}=63.8905

Hence the predicted time, in minutes, that it took to gather the items if the order has 22 items is 63.8905 minutes

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