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3 years ago

Sam raked 3 bags of leaves in 16 minutes. If he continues at the same rate, how many minutes will it take him to rake 9 bags?

Mathematics

2 answers:

zmey [24]3 years ago

8 0

Answer:

48 minutes.

Step-by-step explanation:

9 divided by 3 equals 3, 16 multiplied by 3 equals 48.

ki77a [65]3 years ago

7 0

Answer: 144

Step-by-step explanation: 16 times 9= 144

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$y=\frac{C}{x}$ .

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Given homogeneous equation

$x^2ydy+xy^2dx=0$

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$\frac{\mathrm{d}y}{\mathrm{d}x}=-\frac{y}{x}$

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$u+x\frac{\mathrm{d}u}{\mathrm{d}x}=\frac{\mathrm{d}y}{\mathrm{d}x}$

$u+x\frac{\mathrm{d}u}{\mathrm{d}x}=-u$

$\frac{\mathrm{d}u}{\mathrm{d}x}=-2u$

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Integrating both side we get

lnu=-2lnx+lnC

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$ux^2=C$

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