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wolverine [178]
3 years ago
8

the length of a rectanglr exceeds its width by 5 inches, and the area is 84 square inches. what are the length and width of a a

rectangle
Mathematics
2 answers:
irga5000 [103]3 years ago
8 0

The area is the product of length and width, which is to say that the length and width are factors of the area.

Assuming the dimensions are integers, you want factors of 84 that differ by 5.

... 84 = 1×84 = 2×42 = 3×28 = 4×21 = 6×14 = 7×12

The last of these pairs differ by 5, so ...

  • the length is 12 inches
  • the width is 7 inches.
Semenov [28]3 years ago
5 0

Answer:

The answer is l=12, w=7

Step-by-step explanation:

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Step-by-step explanation:

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s=7

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guapka [62]
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Steps:

First, put the equation in slope-intercept form.

y=mx+b

1.5x + 4.5y =18

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Then replace y with 0 because the point for the x-intercept is exactly on the x-axis so the y=0.

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3 years ago
What is the value of x in the equation (StartFraction one-half EndFractionx + 12) = StartFraction one-half EndFraction(StartFrac
anastassius [24]

Answer:

x =-24

Step-by-step explanation:

Given

(\frac{2}{3})(\frac{1}{2}x + 12) = (\frac{1}{2})(\frac{1}{3}x + 14) - 3

Required

Solve for x

(\frac{2}{3})(\frac{1}{2}x + 12) = (\frac{1}{2})(\frac{1}{3}x + 14) - 3

Open all brackets

\frac{2}{3}*\frac{1}{2}x + \frac{2}{3}*12 = \frac{1}{2}*\frac{1}{3}x + \frac{1}{2}*14 - 3

\frac{2 * 1}{3 *2}x + \frac{2 * 12}{3}= \frac{1 * 1}{2 * 3}x + \frac{1 * 14}{2} - 3

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Collect like terms

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x =-24

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