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Arada [10]
3 years ago
15

A boy is n years old. His sister is four times as old. The sister's age is

Mathematics
1 answer:
Irina18 [472]3 years ago
5 0

The sister is 4<em>n</em><em> </em>yrs old.

That is because 4 times <em>n</em><em> </em>is 4<em>n</em><em>.</em>

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How to rearrange this equation to get v by itself
s344n2d4d5 [400]
V^2/(1-v^2/c^2)=R
v^2=R(1-v^2/c^2)
v^2=R-Rv^2/c^2
v^2-Rv^2/c^2=R
v^2(1-R/c^2)=R
v=sqrt(R/(1-R/c^2))
where R was original right side, dont forget plus minus
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3 years ago
Convert the improper fraction to a mixed number​
alex41 [277]
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3 years ago
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Akimi4 [234]
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7 0
2 years ago
Which answer represents the series in sigma notation? −3+(−1)+1+3+5 A:∑j=15(2j−5)
insens350 [35]

Answer:

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Step-by-step explanation:

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8 0
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Answer:

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3 years ago
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