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IRINA_888 [86]
3 years ago
9

What is circumference? Please select all that apply:

Mathematics
1 answer:
Elina [12.6K]3 years ago
7 0

Answer:

A, C and D are correct.

\

Step-by-step explanation:

A is correct.

B is false; that space is the "area" of the circle.

C is true.  C = πd

D is true.  C = 2πr

E is false.  Way off.

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If 20% of a school was made up of out-of-district students last year, but the number of out-of-district students increased by 50
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Answer:

<h2>30% is enrolled out-of-district.</h2>

Step-by-step explanation:

According to the word problem, the number is increased by 50%.

To increase a number by a percent, multiply the number and the percent.

We can do this by changing both percents to decimals.

To change a percent to a decimal, divide it by 100.

20/100 = 0.2

50/100=0.5

The number is INCREASED by 50% so 0.5 would become 1.5.

0.2 * 1.5=0.3

<h2>0.3 = 30%.</h2>
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2 years ago
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Answer:

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Step-by-step explanation:

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Answer:

Step-by-step explanation:

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Hello There! ^_^

Your question: To ________ a formula or equation for a specified variable means to rearrange it so that the variable appears alone on one side of the equal sign.

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3 years ago
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