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Paraphin [41]
3 years ago
6

Can someone please help with these

Mathematics
2 answers:
Ksivusya [100]3 years ago
8 0
240 and I think 56 rlly sorry if I’m wrong
schepotkina [342]3 years ago
7 0

Answer:

First picture:

Area = 48 ft

Perimeter = 30 ft

Second picture:

Area = 240 in

Perimeter = 64 in

Step-by-step explanation:

have a nice day!! :)

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He used 53 pounds. I got this by using two equations.
a+b=117
and
5.8a+4.1b= 569.8

I took the first equation and subtracted 'b' so the equation looked like a=117-b.
I then plugged in 117-b into the second equation, so it ended up looking like this:
5.8 (117-b)=569.8
5.8 times 117 is 678.6. And 5.8 times negative b is negative 5.8b.
The equation now looks like this:
678.6-5.8b+4.1b=569.8
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you get b= 64.
But because you are looking for how many pounds for a, subtract 64 from 117. You get 53. 53 is the answer.
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