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Masja [62]
3 years ago
14

2+2y = -10 6х +8y = -48 help please

Mathematics
1 answer:
irina1246 [14]3 years ago
5 0

Answer:

x = 0 and y = -6

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Evaluate 3x + 7 for x = 5.
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3 years ago
Given f(x) =3x+7 find f(5)
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The ratio of boys to girls in math classes is 3.5. If there are 130 girls in these classes, how many boys must there be?
dsp73

Answer:

<h3><u>Required Answer</u><u>:</u><u>-</u></h3>

The ratio of boys and girls =3:5

Let

Number of boys=3x

Number of girls =5x

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{:}\longrightarrow\sf 5x=130

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<h3>Now </h3>

The number of boys=3x

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