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yaroslaw [1]
3 years ago
12

Janice correctly answered 21 of the 24 question. What percent of the questions did she answer correctly?

Mathematics
1 answer:
ikadub [295]3 years ago
6 0
Answer: 87.5%

Explanation: Since Janice answered correctly 21 questions out of 24 questions, you would divide 21 from 24

21/24 = 0.875

0.875 as a percentage would mean moving the decimal point two places to the right as 87.5%
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The diagram shows a square ABCD with sides of length 20cm. it also shows a semi circle and an arc circle AB is the diameter of t
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Answer:

Area of Shaded Region =50\pi$ cm^2

Area of Semicircle =50\pi$ cm^2

\dfrac{\text{Area of Shaded region}}{\text{Area of Square}}=\dfrac{ \pi}{8}

Step-by-step explanation:

Area of Shaded Region = Area of Sector - Area of Semicircle

<u>Area of Sector</u>

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Since AB is the diameter of the semicircle

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Therefore, area of Shaded Region

=100\pi -50 \pi\\=50\pi$ cm^2

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\dfrac{\text{Area of Shaded region}}{\text{Area of Square}} \\=\dfrac{50 \pi}{400} \\=\dfrac{ \pi}{8}

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A farmer has 4 fields to plow. In how many different orders can he do the plowing?
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