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Oksanka [162]
3 years ago
14

A rectangle has the width of r+3 and a length of 2r+9. What is the perimeter of the rectangle

Mathematics
2 answers:
VikaD [51]3 years ago
5 0
There are 4 sides to a rectangle and there are 2 sets of parallel sides equal in length. To calculate the perimeter you need to do 2(r+3) + 2(2r+9) which equals 6r+24. Hope this helps.
Alina [70]3 years ago
4 0

Answer:

6r+24

Step-by-step explanation:

2(r+3)=2r+6

2(2r+9)=4r+18

(2r+6)+(4r+18)=6r+24

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Step-by-step explanation:

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3 years ago
Solve for p.<br><br> 2(p + 1) = 18
n200080 [17]

Answer:

p = 8

Step-by-step explanation:

Subtract 18 from behind the equal sign to cancel it out. This leaves you with 2(p+1)- 18= 0.

Next you'll need to pull out the terms to work with the beginning of the problem. 2(p+1)- 18= 0 would turn into 2p - 16  = 2(p - 8).

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7 0
3 years ago
Quadrilateral ABCD is similiar to quadrilateral EFGH. The lengths of the three longest sides in quadrilateral ABCD are 60 feet,
Ivan

Answer:

15 feet

Step-by-step explanation:

Quadrilateral ABCD has a scale facter of 2.5 over the quadrilateral EFGH. The order of ABCD is 60, 40, 30, and x, EFGH has y, z, 12, and 6.

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7 0
3 years ago
7.1 cm
SIZIF [17.4K]

Answer:

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Step-by-step explanation:

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