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lutik1710 [3]
2 years ago
6

Hii I need help with these questions tyy!

Mathematics
2 answers:
frez [133]2 years ago
7 0
22.,,.,.,.,..,...,,,.
9966 [12]2 years ago
4 0

Answer:

(7x+2)(3x-1); (5x+4)^2 or (5x+4)(5x+4);

Step-by-step explanation:

formula to find area is L* W = A ; meaning length multiplied by width equals to the area.

21.

using the formula to find area...

l*w=a

(7x+2)(3x-1) would be your answer

btw, don't put the "=a" at the end, since it's an expression :))

22.

since the problem states that it's a square, you can just say either...

(5x+4)^2 or (5x+4)(5x+4) not sure which one your teacher accepts

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AnnZ [28]
27 and 90 can both be divided by 9

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90 divided by 3= 10

so your answer is 3 over 10
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