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3 years ago

Eden needs an average of 92% on her quiz scores to earn the grade she wants in science class. Each quiz is worth 20 points.

Mathematics

1 answer:

Jlenok [28]3 years ago

5 0

Answer:

19 points

Step-by-step explanation:

convert points to percents:

20 points = 100%

19 points = 95%

18 points = 90%

17 points = 85%

percent-wise, her average prior to another quiz is 92.5

so if she wants to keep to maintain that average she must get 18 1/2 points; if teacher doesn't award partial credit then she needs to get a full 19 points

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Nestor the clown does the face painting at the city carnival. She paints seven faces every 21 minutes and spend the same amount

Likurg_2 [28]

Answer:

21/F=M

Step-by-step explanation:

3 minutes per face so divide time and faces to get the time.

F=7 M=3

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rewona [7]

Answer:

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Step-by-step explanation:

The relevant rule of exponents is ...

(a^b·c^d)^e = a^(be)·c^(de)

Then ...

(m^(5/4)·n^(-4/5))^(7/3) = m^(5/4·7/3)·n^(-4/5·7/3)

= m^(35/12)·n^(-28/15)

Since you want positive rational exponents, you can write this as ...

= m^(35/12)/n^(28/15)

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Step-by-step explanation:

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