the perimeter of the top of a desk is 54 inches . if the length of the desk is 15 . what is the is the width of the desk

Answers

Answer 1

Answer: $Perimeter=2width+2length\n\nlength=15\n\nperimeter=54\n\n54=2*15+2width\n\n54=30+2width\ \ \ | subtract\ 30\n\n24=2width\ \ | divide\ by\ 2\n\nwidth=12inches$

Answer 2

Answer: 12 is the width because a desk is usually a rectangle so if the length on one side is 15 the other is also 15. So 15 + 15= 30. Then if you subtract 55 by 30 you get 24. Nd there's two side so if u do 24 divided by two u get 12

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If two thirds of a number is decreased by 4, the result is 56. find the numberif 38 is added to 5/9 of a number, the result is 128. find the number

the sum of 3/5 of a number and 2.3 is 14.6. find the number.

Answers

$56+4=60\n\n60*3=180\n\n180:2=\fbox{90}\n\nCHECK:\n(2)/(3)*90-4=2*30-4=60-4=56$

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$128-38=90\n\n90*9=810\n\n810:5=\fbox{162}\n\nCHECK:\n\n38+(5)/(9)*162=38+5*18=38+90=128$

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$14.6-2.3=12.3\n\n12.3*5=61.5\n\n61.5:3=\fbox{20.5}\n\nCHECK:\n\n(3)/(5)*20.5+2.3=3*4.1+2.3=12.3+2.3=14.6$

Let the number be x
There are actually 3 different statements -

1. two-thirds of a number decreased by 5 is 56
2*x/3 - 4 =56
2*x/3=60
x=90

2. 38 added to 5/9 of number gives 128
i.e 5*x/9 + 38 = 128
5*x/9 = 90
x = 162

3. sum of 2.3 and 3/5 of number gives 14.6
i.e 2.3 + 3*x/5 = 14.6
3*x/5 = 12.3
x = 4.1*5
x = 20.5

Find the Difference 9,052-7,391

Answers

Here is the work below. Step 1. subtract the 2 and the 1. Step 2. since 5 is not enough to subtract by 9, we look at the next number next to the 5. We cannot borrow a zero, so we look to the left.We take one away from 9, make five into 15 and zero into 9. Step 3. subtract the rest.

1661 hope this helps hope i am brainliest i need it and btw you subtract with lining it up

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Sometimes, Always, or Never?

Answers

The sectors of a circle graph never add up to 180 degrees. They always add up to 360 degrees.

Hope it helps:)

The common factors of 28 and 40

Answers

The factors of 28 are 1, 2, 4, 7, 14, and 28.

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a baker has 6 small bags of flour.Eaxh bag weighs 1 pound . she divides each bag into thirds . How many 1/3 pound bags of flour does the baker have.

Answers

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Combine the like terms to simplify the expression:9 + 3 + 17xy2 + 8y3 + 10x –13xy2 – 9x – 6y3
A. 2y6 + 4x2y2 + 10x + 12
B. 2y3 – 4xy2 – 3x + 12
C. 2y3 + 4xy2 + 10x + 9
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Answers

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rearrange like terms together
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Answer is: D.2y³ + 4xy² + x + 12

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