The volume of a cylinder is 980 pi The height of the cylinder is 20 in. What is the radius of the cylinder?
1 answer:
█ Question █
The volume of a cylinder is 980 pi The height of the cylinder is 20 in. What is the radius of the cylinder?
█ Explanation <span>█
</span>
We know the volume of the cylinder and the height, too. We are looking to find the radius. Do the following equation that is posted in the screenshot.
Answer: The radius is 7
<span>Hope that helps! ★ <span>If you have further questions about this question or need more help, feel free to comment below or leave me a PM. -UnicornFudge aka Nadia </span></span>
The volume of a cylinder is 980 pi The height of the cylinder is 20 in. What is the radius of the cylinder?
█ Explanation <span>█
</span>
We know the volume of the cylinder and the height, too. We are looking to find the radius. Do the following equation that is posted in the screenshot.
Answer: The radius is 7
<span>Hope that helps! ★ <span>If you have further questions about this question or need more help, feel free to comment below or leave me a PM. -UnicornFudge aka Nadia </span></span>
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Amount invested at 8% is $9000 and amount invested at 18% is $21000.
Step-by-step explanation:
Let amount invested at 8% be x.
Let amount invested at 18% be y.
We get the 1st equation as:
........(1)
We get the second equation as:
=>
or getting rid of the decimal by multiplying by 100 on both sides.
........(2)
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And
So, x = 9000
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