The width of a rectangle is 1 units less than the length. The area of the rectangle is 56
1 answer:
Answer:
Width = 7 units
Step-by-step explanation:
Length = x units
Width = (x -1) units
Area = 56 square units
length * width = 56
x * (x - 1) = 56
x*x - x*1 = 56
x² - x - 56 = 0
x² -8x + 7x - 7*8 = 0
x(x - 8) + 7(x - 8) = 0
(x - 8)(x + 7) = 0
Here, (x +7) is ignored because measurement will not in negative.
x - 8 = 0
x = 8
Length = 8 units
Width = 8-1 = 7 units
Width
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Answer:
y<-2 or y>= 2
Step-by-step explanation:
y + 3 < 1
y - 3 + 3 < 1 -3
y < -2
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