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goldfiish [28.3K]
3 years ago
7

HELPPPPP!!!!! PLSSSS!!! 10 POINTS!

Mathematics
2 answers:
Serga [27]3 years ago
6 0

Answer:

divide 81 by pi and then by 2

Step-by-step explanation:

Mandarinka [93]3 years ago
6 0

Answer:

C= 2pi x R

81= 6.28 x r

81 % 6.28 = r

r =12.89

Step-by-step explanation:

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He temperature was -13 degrees and then rose 9 degrees.<br> -13 + 9<br> 13 + 9<br> 9 - (-13)
Aleonysh [2.5K]

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-13 + 9

Step-by-step explanation:

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3 0
3 years ago
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What is the solution to the system of equations? HELP
notsponge [240]
I will solve your system by substitution.<span><span>x=<span>−2</span></span>;<span>y=<span><span><span>23</span>x</span>+3</span></span></span>Step: Solve<span>x=<span>−2</span></span>for x:Step: Substitute<span>−2</span>forxin<span><span>y=<span><span><span>23</span>x</span>+3</span></span>:</span><span>y=<span><span><span>23</span>x</span>+3</span></span><span>y=<span><span><span>23</span><span>(<span>−2</span>)</span></span>+3</span></span><span>y=<span>53</span></span>(Simplify both sides of the equation)

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<span>
so the answer is B (the second choice)
(Hope it helped ^_^)




</span></span></span>
4 0
3 years ago
Read 2 more answers
Please answer and explain
sashaice [31]
8=2*2*2=2^3
32=2*2*2*2*2=2^5
<span>[8^(2/3)] / [32^(2/5)] = [</span>(2^3)^(2/3)] / [(2^5)^(2/5)] =
= [2^(3*2/3)] / [2^(5*2/5)]= [2^2] / [2^2] = 4/4 = 1
Answer: 1
4 0
3 years ago
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