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The formula for the volume of a cone is V=1/3πR^2H. If R=6 and H=5, work out its volume in terms of π.

V = 1/3π x (6x6) x 5V = 1/3π x 36 x 5V = 1/3π x 180V = 60π

Answered by Felicity C. • Maths tutor

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You have 2 fair dice with 6 sides and you roll them both, what's the probability that the sum of rolled numbers will be 11?

A piece of wire is 240cm long. Peter cuts two 45 cm lengths off the wire. He then cuts the rest of the wire into as many 40cm length as possible. How many wires of 40cm can be cut?

(x+3)(x+2)

(2x+5)/3 = 11. Solve for x.

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