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3 years ago

13

Jake has been in band twice as many years as billy. Together they have been in band a total of 18 years. How long has billy been

in band?

1 answer:

denis23 [38]3 years ago

8 0

Billy has been in a band for 6 years

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Dilution Problem

LUCKY_DIMON [66]

Answer:

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Step-by-step explanation:

You have ...

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so ...

V2 = V1×(C1/C2) = (115 L)×(14/21) = 76 2/3 L

V2 ≈ 76.7 L

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3 years ago

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Pavlova-9 [17]

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3 years ago

15.7/6.28 what is the answer how do you do it

Andrew [12]

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3 years ago

If y varies directly as x^2 and y=12 when x=2, find y when x=5

Shkiper50 [21]

$y=ax^2\\\\y=12\ \ \ and\ \ \ x=2\ \ \ \Rightarrow\ \ \ 12=a\cdot 2^2\ \ \ \Rightarrow\ \ \ a= \frac{4}{12}= \frac{1}{3} \\\\y=\frac{1}{3} x^2\\\\x=5\ \ \ \Rightarrow\ \ \ y=\frac{1}{3} \cdot5^2=\frac{25}{3} =8\frac{1}{3}$

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3 years ago