The formula for surface area of a cone = 2pi rh
the radius of the base = 12inches
by the pythagoras theorem, 400 - 144 = 256 =16^2
therefore the height of the cone = 16inches
the surface area of the cone= 16 × 24pi
=384pi inches
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Answer:
x = 3
Step-by-step explanation:
Solve for the first variable in one of the equations, then substitute the result into the other equation.
I would say P = w + 2, because their ages change over time but the difference between the ages will always be the same.
Answer:
4.82
Step-by-step explanation:
Answer:
$320
Step-by-step explanation:
400*0.8(decimal form of 80%) = 320