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3 years ago

13

What is the circumference of this circle? (Use C =

i" align="absmiddle" class="latex-formula">d; $\pi$ = 3.14.)
giving 20 points to the person who answers! no need to show your work, thank you.

2 answers:

posledela3 years ago

4 0

The answer is B, 31.4m

AnnyKZ [126]3 years ago

3 0

The correct answer is B

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What is 4n + 3 ( n – 5 ) + 2 simplified? I suck At math sry

Tema [17]

Answer:

$7n−13$

Step-by-step explanation:

$4n+3(n−5)+2$

$4n+3n+3 \times (−5+2)$

$4n+3n−15+2$

$7n−15+27n-15+2$

$7n−13$

<h3>Hope it is helpful....</h3>

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3 years ago

Read 2 more answers

Does anybody know the answer to this?

Finger [1]

Answer:

true

Step-by-step explanation:

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3 years ago

Can you guys check these :) I’ll give brainleist :)

stiv31 [10]

Answer:

9. No

10. Yes

Step-by-step explanation:

The first one is not, since you have (3, 3) and (3, 9). In a function, each x maps to a single y.

The second one is since every x appears only once.

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3 years ago

21 out of 24 students did their homework. What percent did NOT do their homework.

SVETLANKA909090 [29]

If 21 out of 24 students did their homework, 3 out of 24 did not do it.

This written as a fraction is 3/24 and can be reduced to 1/8.

This in decimal form is 0.125 .

To convert the decimal to a percent, multiply by 100 and put a percent sign at the end of the number.

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4 years ago

Simplify . 3 sqrt 10 + 7 sqrt 15 - 6 sqrt 10 -4 sqrt 15

andre [41]

Take the like terms of the equation.

$3 \sqrt{10} - 6 \sqrt{10}$

$7 \sqrt{15} - 4 \sqrt{15}$

Subtract those like terms together.

$3 \sqrt{10} - 6 \sqrt{10} = -3 \sqrt{10}$

$7 \sqrt{15} - 4 \sqrt{15} = 3 \sqrt{15}$

The simplified form of this equation is $-3 \sqrt{10} + 3 \sqrt{15}$ .

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3 years ago