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tiphannyk
09.10.2019 •
Mathematics
Deloris wants to cover a parallelogram-shaped area of her backyard with yellow, concrete patio stones. each stone costs $6.42 and covers 50 square inches. the parallelogram-shaped area in the backyard has a height of nine feet and a base of 12 feet.
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Ответ:
$1983.78
Step-by-step explanation:
It is given that the height of parallelogram shaped area is 9 feet and the length of the base is 12 feet.
We know that the area of parallelogram is,
Putting the values we get,
Now, it is given that each stone covers an area of 50 square inches, let us convert square inches into square ft, first.
1 square inch = 0.007 square ft
50 square inches =
square ft
So each stone covers 0.35 square ft, therefore to cover the area of 108 square ft, we need,
Each stone costs $6.42, so the cost of 309 stones will be,
So the total cost of covering the parallelogram shaped area with yellow, concrete patio is $1983.78.
Ответ:
KM = 4
Step-by-step explanation:
Solve for x
Combine like terms
Plug in the value of x