Will give brainliest if answer is correct.
2 answers:
Answer:
Let x cm be the width of the photograph.
Length of photograph
= (2x-1)cm
Area of photograph
= (2x-1)(x)
= x(2x-1)
= (2x²-x)cm²
(2x²-x)cm²=91cm²
2x²-x=91
x₁=-6.5, x₂=7
Answer:
Length = 13
Width = 7
Step-by-step explanation:
Given:
length = 2(width) - 1
Area of a Rectangle = lω = 91 cm²
Calculation:
Area of a Rectangle = lω = 91 cm²
(2ω-1)ω = 91
= 2ω²- ω - 91 = 0
=(2ω+13)(ω-7)=0
ω = -6.5 ω=7
length = 2(width) - 1
l=2(7) - 1
l = 13
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