Mathematics, 20.12.2019 21:31 joujousis

Really need on these two so lost on both

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Mathematics, 21.06.2019 17:00, drandbone92

Shane can shovel the driveway in 4 hours, but if his sister it would take 2 hours. how long would it take taylor to shovel the driveway alone

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Mathematics, 21.06.2019 23:10, alemorachis49

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?

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Mathematics, 22.06.2019 01:00, rrgg6234

(05.02) mr. morris is going to save money and replace his sailboat's mainsail himself. he must determine the area of the mainsail in order to buy the correct amount of material. calculate the area of the parallelogram to determine how much material should be purchased. be sure to explain how to decompose this shape into rectangles and triangles. describe their dimensions and show your work.

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Mathematics, 22.06.2019 01:00, jazzytazzyyy

Use mathematical induction to prove the statement is true for all positive integers n, or show why it is false. 1^2 + 4^2 + 7^2 + + (3n - 2)^2 = [n(6n^2-3n-1)/2]

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Really need on these two so lost on both
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