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3 years ago

The cup was filled at a constant rate. It started empty. After 2 seconds, it held 70 cm^3 of water.

Mathematics

1 answer:

nydimaria [60]3 years ago

8 0

Answer:

About 90%

Step-by-step explanation:

If the cup was filled at a constant rate, then the cup fills at 70/2=35 cubic centimeters per second. The formula for the volume of a cone is $\frac{1}{3} \pi r^2 h$ , or in this case $\frac{112}{3}\pi$ cubic centimeters. After 3 seconds, the cup would have 35*3=105 cubic centimeters of water inside of it, or about 89.52% which rounds to 90%. Hope this helps!

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Answer:

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Step-by-step explanation:

This is a compound growth problem . THe formula is:

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Where

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Given:

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The compound interest formula modelled by the variables is:

$F=1500(1+\frac{0.03}{12})^{12t}\\F=1500(1.0025)^{12t}$

Now, we want balance after 5 years, so t = 5, substituting, we get:

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Step-by-step explanation:

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