ricky1790
24.01.2021 •
Mathematics
a rectangle has a length of 22 feet less than 6 times its width. if the area is of the rectangle is 868 square feet,find the length of the rectangle
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Ответ:
Length=62 feet
Step-by-step explanation:
L x W =area area= 868 L=6W-22
868=W x (6W-22)
868=6W^2-22W
reorder equation
6W^2-22W-868=0
Factor
(3W-42)(2W+20.7)=0
3W=42
W=14, then L=6(14)-22=62
Check:
62x14=868
Ответ:
A: -2 + 3i
B: -1 + -1i
C: 3 + -4i
D: 4 + 1i
I got all of these correct on Edgenuity.
Hope this helps :)