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sonyfan
22.06.2020 •
Mathematics
The perimeter of a regulation singles tennis court is 210 feet and the length is 30 feet less than four times the width. What are the dimensions of the court? W= L=
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Ответ:
L=78 feet W=27 feet
Step-by-step explanation:
lets call the width w and length l.
2(w+4w-30)=210 (the bracket is multiplied by 2 because there are 2 lengths and widths)
5w-30=210
divide both sides of the equation by 2 to eliminate the brackets
5w-30=210/2
5w-30=105
add 30 to each side
5w=105+30
5w=135
w= 135/5 = 27
L=27x4-30
L=78
Ответ:
the answer is 7
Step-by-step explanation:
i took the quiz and got 100%