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Nimfa-mama [501]
3 years ago
9

7) There are 90 boys and 60 girls in the Cobb 6th grade campus band. Of these band members 9 boys and 3 girls play the trumpet.

What percent of the band members play the trumpet?
Mathematics
1 answer:
djyliett [7]3 years ago
3 0

Answer:

the percentage of band members play the trumpet is 8%

Step-by-step explanation:

The computation of the percentage of band members play the trumpet is shown below:

= Play trumpet people ÷ Total people

= (9 + 3) ÷ (90 + 60)

= 12 ÷ 150

= 8%

Hence, the percentage of band members play the trumpet is 8%

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Step-by-step explanation:

The equation of a line can be described by a first order equation in the following format:

f(x) = ax + b

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Solution:

The line slope is \frac{1}{2}, so a = \frac{1}{2}.

The equation of the line now is:

f(x) = \frac{1}{2}x + b

The problem states that the line passes through the point(2,-4). This means that when x = 2, f(x) = -4

So:

f(x) = \frac{1}{2}x + b

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f(x) = \frac{1}{2}x - 5

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3 years ago
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Answer:

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Step-by-step explanation:

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