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ASHA 777 [7]
3 years ago
7

On the first math exam, 16 students received an A grade. On the second math exam,12 students received an A grade.what percentage

decrease is that?
Mathematics
1 answer:
Neko [114]3 years ago
8 0

Answer:

25%

Step-by-step explanation:

(16-12)/16=0.25

0.25×100=25

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An acute triangle has side lengths 21 cm, x cm, and 2x cm. if 21 is one of the shorter sides of the triangle, what is the greate
madam [21]

Given that the sides of the acute triangle are as follows:
21 cm
x cm
2x cm

Stated that 21 cm is one of the shorter sides of the triangle2x is greater than x, so it follows that 2x MUST be the longest side


For acute triangles, the longest side must be less than the sum of the 2 shorter sides
Therefore, 2x < x + 21cm
2x – x < 21cm
x < 21cm

If x < 21cm, then 2x < 42cm
Therefore, the longest possible length for the longest side is 42cm
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Select the correct statement for the graph
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C. For each hour he works, his earnings go up by $8. 
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6 0
3 years ago
Whats going on in this attachment help thanks xD
rodikova [14]

Ratio remains same

\\ \rm\Rrightarrow \dfrac{4}{6x-3}=\dfrac{3}{2}

\\ \rm\Rrightarrow 8=3(6x-3)

\\ \rm\Rrightarrow 8=18x-9

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Answer:

5

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