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aliina [53]
3 years ago
13

Rectangle w/area of 91 has dimensions of (x+2) and (2x+3). Solve for dimensions.

Mathematics
1 answer:
Leviafan [203]3 years ago
8 0

Answer:

5unit

Step-by-step explanation: since area of rectangle = length*width

Here length is (x+2) and width is(2x+3)

(x+2)(2x+3)=91

On further solving

2x^2+75x-85=0

2x^2-10x+17x-85=0

2x(x-5)+17(x-5)=0

(2x+17)(x-5)=0

x=5unit

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What is 5/6 divided by-2/3
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Step-by-step explanation:

Apply the fraction rule: a/-b = -a/b

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Multiply the numbers: 6 x 2 = 12

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Sorry if this is a little confusing but your answer to the question is ( -5/4 )

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4 years ago
What is the equation of the axis of symmetry of the parabola y=-2x^2+8x-7?<br> x=.....
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x = -b/2a

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a = - 2

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Equation of axis of symmetry is x = 2

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