Buying one movie ticket online costs 16.50, two tickets cost 30.50

Recursive Formula: =an-1+14; a1=16.50

Explicit Formula: an=2.5+14n

Step-by-step explanation:

The common difference is 14, as you would add 14 to 16.50 and get 30.50 for two tickets. However; the tickets are not the same amount of money each, since 16.50 is not a multiple of 14, (neither are 30.50, 44.50, and 58.50.)

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step-by-step explanation:

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80π/3 or about 83.775

step-by-step explanation:

since a cone is 1/3 of a cylinder, we need to find the base's area. since area = πr^2, we get 16π. then, multiplying this by 5, we get 80π. dividing by 3, since the cone's volume is 1/3 of that of a cylinder's, we get 80π/3.

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