There are 303 Students. There are 147 Girls. How Many Boys Are there?

Mathematics

2 answers:

artcher [175]3 years ago

8 0

So, we do 303-147, which equals 156

Talja [164]3 years ago

7 0

There are 156 boys at the school

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then x+2tons
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-12 -12
/4 /4
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-1/2x-3=4<br> Solve for x

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Answer:

x=-3.5

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Varvara68 [4.7K]

Two strings are 15 inches and 7 inches long.

You could draw a diagram that has two rulers (that are longer than 12 inches).

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Then you can find the total length of the two strings by adding 15 and 7 inches.
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The total length of both the strings is 22 inches. You can draw a ruler and a piece of string on it at 22 inches.

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3 years ago

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$m=(\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2})$

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$(6, -11) = (\frac{11+x_2}{2}, \frac{-5+y_2}{2})
\\
\\6=\frac{11+x_2}{2} \text{ and } -11=\frac{-5+y_2}{2}
$

For the first equation (to find the x-coordinate) we will multiply both sides by 2:
$6\times2=\frac{11+x_2}{2}\times 2
\\
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Subtract 11 from both sides:
12 - 11 = 11+x₂ - 11
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$-11\times2=\frac{-5+y_2}{2}\times 2
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