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castortr0y [4]
3 years ago
7

The total bill for 4 people came out to be $48. They plan on leaving a $12 tip

Mathematics
2 answers:
Goryan [66]3 years ago
7 0

Answer:$15 each

Step-by-step explanation:48+12=60

60/4 = 15

ElenaW [278]3 years ago
5 0

Answer:

Probably $15 for each person.

Step-by-step explanation:

If I'm wrong, go ahead, sue me.

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The graphs show four exponential functions, each with equation y= ab. If a > 1 and b > 1, then which of the four could be
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8 0
3 years ago
A circular plate is being heated. Its radius is increasing at the rate of 0.02 in/min. At what rate is the area of the plate inc
Evgen [1.6K]

Answer:

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Step-by-step explanation:

Data given

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Solution to the problem

We know that the area for a circle is given by:

A= \pi r^2

We want to find at what rate is the area of the plate increasing at the instant when the radius is 6 inches. So we need to take partial derivates in both sides of the equation for the area, and if we do this we got:

\frac{dA}{dr} = 2\pi r \frac{dr}{dt}

Since we have all the values provided we just need to replace and we got:

\frac{dA}{dr} =2\pi (6in) (0.02 \frac{in}{min})=0.754 \frac{in^2}{min}

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