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Soloha48 [4]
2 years ago
15

Please help with that two math problems. I'll give brainly!

Mathematics
1 answer:
Serhud [2]2 years ago
7 0

Answer:

the first one is 9 the second one is 12

Step-by-step explanation:

opposite sides of parallelograms are the same length

first one: 2x-1= x+8

2(9) -1 = 18-1 =17

(9) +8=17

second one: 22= 2x-2

2(12) -2 = 24 -2= 22

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The perimeter of rectangle is 48 cm. Find the sides of the rectangle if one of the sides is 12 cm longer than the other.
natima [27]
L=W+12
2L+2W=48
2(W+12)+2W=48
2W+24+2W=48
4W=48-24
4W=24
W=24/4
W=6 ANS. FOR THE WIDTH.
L=6+12=18 ANS. FOR THE LENGTH.
PROOF:
2*18+2*6=48
36+12=48
48=48

Hope this helps:)
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