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2 years ago

One pound of nuts costs $2.80. Aaron bought 2 pounds of nuts. He gave the clerk a $10.00 bill. How much change did he get?

2 answers:

8 0

One pound of nuts cost $2.80 -> 2 pounds cost $2.80 x 2 = $5.60

We can find the amount of change he got : $10.00 - $5.60 = $4.40

Answer : D

MA_775_DIABLO [31]2 years ago

4 0

The answer would be D.
2.80+2.80=5.6
10-5.6=$4.40

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Step-by-step explanation:

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Since r = h

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= $\pi r^{2} +\pi\times r^2 \times \sqrt{2}$

Ratio of volume of cone to its surface area including base :

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$\frac{r}{3(1+\sqrt{2})}$

Rationalizing

$\frac{r}{3(1+\sqrt{2})} \times \frac{1-\sqrt{2}}{1-\sqrt{2}}$

$\frac{r(1-\sqrt{2})}{-3}$

Hence the ratio the ratio of the volume of the candle to its surface area(including the base) is $\frac{r(1-\sqrt{2})}{-3}$

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