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Mathematics

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Two rectangles are shown below. Rectangle P has a perimeter of 20 inches.
Rectangle Q has a perimeter of 30 inches.

Two Rectangles Are Shown Below Rectangle P Has A Perimeter Of 20 Inches Rectangle Q Has A Perimeter Of 30 Inches class=

Answer :

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Answer:

c) j=2 and h=4

Step-by-step explanation:

h+h+j+4+j+4=20

3h+3h+j+1+j+1=30

2h+2j+8=20

6h+2j+2=30

multiply the first equation by -3

-6h-6j-24=-60

this equals

-6h-6j=-36

6h+2j=28

-4j=-8

j=2

Since j=2

2h+2(2)+8=20

2h+12=20

2h=8

h=4

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