Answer:
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Step-by-step explanation:
20+(m•0.10)=41.10
41.1-20=21.1÷0.1=211
For this case we have by definition, that the volume of a cone is given by:

Where:
A: It is the cone radius
h: It's the height
They tell us that the diameter is 21 m, then the radius is half the diameter, that is: 10.5m. The height is 4m. Substituting the data:
.
Finally, the volume of the cube is
ANswer:
Option B
In math terms this means x divided by 3=3 so x so x means 9 so the answer is nine
350(1+0.75)t (add the numbers)
350*1.75t (Calculate the product)
612.5 t
a) residential plan cost more by $4
b) it costs the same at 14 HCF. If they use less than this, then residential plan costs less