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Jlenok [28]
3 years ago
9

Which expression is the result of the perimeter of rectangle b minus the perimeter of rectangle a

Mathematics
1 answer:
MrMuchimi3 years ago
5 0
Retangle B perimeter = 2(3x+5) + 2(2x-2)
                                      6x + 10 + 4x - 4
                                      10x + 6

Retangle A perimeter = 2(2x+8) + 2(x-1)
                                      4x + 16 + 2x - 2
                                      6x + 14


(10x + 6) - (6x + 14) =
10x + 6 - 6x - 14 =
4x - 8    ←  answer

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Find the value of each variable in the parallelogram
Anarel [89]

Answer:

x = 9

y = 15

Step-by-step explanation:

x = 9

y = 15

I'm not sure how to explain this, but one side is equal to its opposite side in a parallelogram.

Hope this helps :)

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2 years ago
A cylinder has a base radius of 6ft and a height of 18ft. What is its volume in cubic ft, round to the nearest tenth?
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Answer:2034.7

Step-by-step explanation:

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Given the equation 5 + x -12 = 2x - 7. Part A. Solve the equation 5 + x - 12 = 2x - 7. In your final answer, be sure to state th
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Step-by-step explanation:

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2 years ago
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Solve for x: 7-3x=-2/5x-69/5
san4es73 [151]

Answer:

x = 8

Step-by-step explanation:

Step 1: Simplify both sides.

7 - 3x = -2/5x - 69/5

7 + - 3x = -2/5x + -69/5

-3x + 7 = -2/5x + -69/5

Step 2: Add 2/5x to both sides.

-3x + 7 + 2/5x  = -2/5x + -69/5 + 2/5x

-13/5x + 7 = -69/5

Step 3: Subtract 7 from both sides.

-13/5x + 7 - 7 = -69/5 - 7

-13/5x = -104/5

Step 4: Multiply both sides by 5/(-13)

(5/-13) * (-13/5x) = (5/-13) * (-104/5)

x=8

8 0
3 years ago
What is the characteristic polynomial?<br> \[ \frac{d^2x}{dt^2}+5\frac{dx}{dt}+6=cos(w) \]
MakcuM [25]
What is the characteristic polynomial?
d^2x dx
——- + 5 —— + 6 = cos(w)
dt ^2 dt


Hope this help u :)
8 0
2 years ago
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