A jar of mayonnaise is shaped like a cylinder. The radius of the jar is 1.5 in. and its height is 7 in. The mayonnaise is on sale for $0.08 per in3.
What is the cost of the jar of mayonnaise? Use 3.14 to approximate pi.
$
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OpenStudy (anonymous):
Plz help will give fan Medal !!
OpenStudy (thebadyboy):
what do u think
OpenStudy (anonymous):
Idk Lol
OpenStudy (igreen):
First find the volume of the mayonnaise jar.
Volume of a Cylinder:
\(V = \pi r^2 h\)
\(V = (3.14)(1.5^2)(7)\)
Simplify that
OpenStudy (anonymous):
|dw:1424969067156:dw|
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OpenStudy (thebadyboy):
|dw:1424969112361:dw|
OpenStudy (igreen):
Then we can divide by 0.08
OpenStudy (anonymous):
yes
OpenStudy (thebadyboy):
he is correct
OpenStudy (anonymous):
So by what
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OpenStudy (igreen):
@MAli13chineta It's a cylinder, not a circle.
OpenStudy (thebadyboy):
yah we know that
OpenStudy (igreen):
Multiply 3.14 * 1.5 * 1.5 * 7
@TLHernandez
OpenStudy (thebadyboy):
but thx
OpenStudy (anonymous):
49.455
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OpenStudy (anonymous):
So whats the amswer
OpenStudy (anonymous):
???
OpenStudy (igreen):
Sorry, multiply 49.455 * 0.08
OpenStudy (igreen):
Can you do that? @TLHernandez that will be your answer.
OpenStudy (anonymous):
yes
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OpenStudy (igreen):
Okay, tell me what you get.
OpenStudy (anonymous):
3.9564
OpenStudy (igreen):
Yep, so the jar is approximately $3.96
OpenStudy (anonymous):
thanks coould you help me with a few more ?
OpenStudy (igreen):
Sure, just close this one and open a new one.
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OpenStudy (igreen):
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