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stefaniethibodeaux
10.07.2019 •
Mathematics
The length of a ping pong table is 3 ft more than twice the width. the area of a ping pong table is 90 ft. what are the dimensions of a ping pong table?
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Ответ:
6ft by 15 ft
Explanation:
Width = x
Length = 2x + 3
Area = 90 ft²
x(2x + 3) = 90
2x² +3x - 90 = 0
(x - 6) (2x + 15) = 0
x = 6 or x = -15/2
x = 6 ft
2x + 3 = 2 x 6 + 3 = 15 ft
Ответ:
If we go swimming, then there will not be a lightning storm.
Step-by-step explanation:
If we go swimming, then there will not be a lightning storm.