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pshichka [43]
3 years ago
11

the width of a rectangle is 4 inches less than the length ,the perimeter is 48,what is the dimensions?

Mathematics
2 answers:
kolbaska11 [484]3 years ago
5 0
Length is 14 inches, width is 10 inches.
If you need area, it's 140 inches.

2L + 2w = 48

L = w + 4

2(w+4) + 2w = 48
2w + 8 + 2w = 48
4w + 8 = 48
4w = 40
w = 10

L = w + 4
L = 10 + 4
L = 14
zalisa [80]3 years ago
3 0
Answer: 10 inches × 14 inches

Work:

length = x inches
width = x - 4 inches
perimeter = 2(l+w)

48 = 2[(x)+(x - 4)]
48 = 2(2x - 4)
24 = 2x - 4
28 = 2x
14 = x

length = x inches = 14 inches
width = x - 4 inches = 14 - 4 = 10 inches
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kow [346]

The equation which is results from taking the square root of both sides of the provided equation is,

(x+9)=\pm5\\

<h3>What is the square root?</h3>

A square root of a number is the value which is when multiplicand by itself gives the same value as the number posses.

Let a number is <em>a. </em>Then this number in the form of square root can be written as,

a=\sqrt{a}\times \sqrt{a}

The given algebraic equation in the problem is,

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Take the square root, in both sides,

\sqrt{(x+ 9)^2} = \sqrt{25}\\\sqrt{(x+ 9)^2} = \sqrt{5^2}

Cancel out the square root with the square of the number as,

(x+9)=\pm5\\

Hence, the equation which is results from taking the square root of both sides of the provided equation is,

(x+9)=\pm5\\

Learn more about the square root of number here;

brainly.com/question/664132

7 0
3 years ago
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kap26 [50]
An arithmetic sequence starts with one number and you add the common difference to the previous term to get the current term
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f(x)=mx+b
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b=starting point
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Divide both sides by 10
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Your common difference is 12.



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3 years ago
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Step-by-step explanation:

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