Mark is painting two rectangular doors. The first door has an area of 150 square feet. The second door is a dilation of the first door with a scale factor of 1.4. One gallon of paint will cover 80 square feet. How many gallons of paint will mark use to paint both doors?

360 different combinations

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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she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

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step-by-step explanation:

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