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mihalych1998 [28]
3 years ago
5

The 9 students in the Environmental Club represent 4% of the students in the seventh grade. How many students are in the seventh

grade?
Mathematics
1 answer:
finlep [7]3 years ago
7 0

Answer:

225 students

Step-by-step explanation:

<u><em /></u>9\div4%

<u><em>Calculate</em></u>

<u><em /></u>\frac{9}{0.04}

<u><em>Multiply both the numerator and denominator with the same integer</em></u>

<u><em /></u>\frac{900}{4}

<u><em>Cross out the common factor</em></u>

225

<em>I hope this helps you</em>

<em>:)</em>

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3 years ago
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elena-14-01-66 [18.8K]

Answer:

x=30

Step-by-step explanation:

For each right-angled triangle:

\cos\theta=\frac{cathetus \ adjacent \ \theta}{hypotenuse}

Because \cos \theta=0.4, \ \ cathetus\ adjacent \ \theta \ = \ 12, \ \ \ hypotenuse=x

we have an equation

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using calculator, we divide 12 by 0.4

and finally x=30


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3 years ago
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Do you mean like this?

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