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STatiana [176]
3 years ago
13

Find the following expression by multiplying. (a + b)^ 2

Mathematics
2 answers:
Elis [28]3 years ago
8 0
=(x+y)^{2} \\= (x+y)(x+y) \\= x^{2} +xy+xy+y ^{2} \\= x^{2} +2xy+y ^{2} 



dezoksy [38]3 years ago
5 0
(a+b)^2
=2a+2b( u can keep simplifying if it is possible)
=2ab
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mestny [16]

Answer:

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Step-by-step explanation:

Let

x = charges for the first hour

y = charges for each additional hour

x + 2y = 10.65 (1)

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3 years ago
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blagie [28]
I believe it is 16 cubes
7 0
3 years ago
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