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Drupady [299]
2 years ago
15

the length of a rectagle is 5 in longer than its width. if the perimeter of the rectangle is 56 in, find its length and width

Mathematics
1 answer:
lisabon 2012 [21]2 years ago
3 0

Answer:

Step-by-step explanation:

Let the width of the rectangle = x

As length is 5 inches longer than width, we have to add 5 to width

Length = x + 5

Perimeter of ractangle = 56 in

2* (length + width) = 56

2*( x + 5 + x) = 56

2* (2x + 5)    = 56

Use distributive property: a*(b +c) =(a*b) + (a * c)

2*2x + 2*5   = 56

4x  + 10 = 56

Subtract 10 from both sides

4x = 56- 10

4x = 46

Divide both sides by 4

x = 46/4

x = 11.5

Width = 11.5 in

length = 11.5 + 5

            = 16.5 in

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Answer:

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Step-by-step explanation:

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2x + 3 + x2; for x = 4
Irina-Kira [14]

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6 0
2 years ago
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100 points! Will mark brainliest! Only answer if u know it. Random answers will be reported
Setler79 [48]

Step-by-step explanation:

Hey there!

According to the question, you need to find out the distance from your friend's house to school.

<em>Firstly figure out the coordinate of your school and school. Then use formula of distance.</em>

So, we find the coordinates as (7,7) and (5,0).

So, x 1 = 7 y1= 7

x 2 = 5 y2 = 0

~ Use distance formula.

d =  \sqrt{( {x2 - x1)}^{2}  + ( {y2 - y1)}^{2} }

~ Put all values.

d =  \sqrt{ {(5 - 7)}^{2}  + ( {0 - 7)}^{2} }

~ Simplify it.

d =  \sqrt{ {( - 2)}^{2}  +  {( - 7)}^{2} }

d =  \sqrt{4 + 49}

d =  \sqrt{53}

D= 7.280

Therefore, the distance between your friend's house and your school is 7.3 units.

<em><u>Hope</u></em><em><u> </u></em><em><u>it</u></em><em><u> helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

8 0
3 years ago
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The width of a rectangle is 4 inches less than the length. The perimeter is 60 inches. Find the length and the
coldgirl [10]

Answer:

Length=17

width=13

Step-by-step explanation:

W=width

L=length

Perimeter = 2w+2l since it's a rectangle

W=l-4 (given)

Plug into perimeter equation

Perimeter =(2l-8)+2l

=4l-8

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68=4l

17 =l

W=l-4=17-4=13

6 0
3 years ago
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