sarinaneedshelp01
03.07.2019 •
Mathematics
The length of a rectangle is 4 times its width. the rectangles perimeter is 68 feet what is the rectangles length and width ? ?
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Ответ:
Length = 27.2
Width = 6.8
Step-by-step explanation:
P = L+L+W+W
68 = 4(L+L)+W+W
68 = 4(x+x)+x+x
68 = 4x+4x+x+x
68 = 10x
x = 6.8
L = 4x
L = 27.2
W = x
W = 6.8
68 = 27.2+27.2+6.8+6.8
68 = 68
Ответ:
for example, if you do 3 cubed you get 27, and the cube root of 27 is 3. This means Julio started with the number 20