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yawa3891 [41]
3 years ago
7

From 4a + 7b - 12c subtract 8a - 9b + 12d.

Mathematics
1 answer:
topjm [15]3 years ago
7 0
4a+7b-12c-8a-9b+12d
Now you have to combine like terms, so a and a, B and B etc.
4a-8a=-4a
7b-9b=-2b
No more like term
-4a-2b-12c+12d
Have a nice day
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Volume of a figure is the measure of the space that figure occupies. The approximate volume of the specified container is 87.92 cm³

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If the given sphere is of radius r units, then its volume is given as:

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For the given case, the radius of the sphere is given to be 21 cm, and the value of pi is instructed to be used  as 3.14

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V = \dfrac{4}{3} \pi r^3 = \dfrac{4}{3} \times 3.14 \times 21 = 87.92 \: \rm cm^3{

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