joedirt

7 Questions
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0

487

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+14

Jack leaves Detroit at 2:00 P. M. and drives at a constant speed. He passes Ann Arbor, 40 mi from Detroit, at 2:50 P. M. Find a function th

Jack leaves Detroit at 2:00 P. M. and drives at a constant speed. He passes Ann Arbor, 40 mi from Detroit, at 2:50 P. M. Find a function that models the distance in miles he has traveled after t min.

joedirt Dec 13, 2020

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379

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+14

The maximum speed permitted on a certain highway is 65 mi/h, and the minimum is 40 mi/h. The fine for violating these limits is $15 for ever

The maximum speed permitted on a certain highway is 65 mi/h, and the minimum is 40 mi/h. The fine for violating these limits is $15 for every mile above the maximum or below the minimum. Let F(x) be the fine assessed when the speed is x mph. Find a formula read more ..

joedirt Dec 13, 2020

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604

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+14

How many liters of a 20% alcohol solution must be mixed with 10 liters of an 80% solution to get a 40% solution?

How many liters of a 20% alcohol solution must be mixed with 10 liters of an 80% solution to get a 40% solution?

joedirt Dec 13, 2020

0

847

1

+14

Find the area A of the triangle whose sides have the given lengths. (Round your answer to the nearest integer.) a = 11, b = 115, c = 1

Find the area A of the triangle whose sides have the given lengths. (Round your answer to the nearest integer.)
a = 11, b = 115, c = 116

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joedirt Dec 6, 2020

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3635

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+14

The area of a sector of a circle with a central angle of 9𝜋/14 rad is 21 m2. Find the radius of the circle. (Round your answer to one decim

The area of a sector of a circle with a central angle of 9𝜋/14 rad is 21 m2. Find the radius of the circle. (Round your answer to one decimal place.) helpppp

joedirt Nov 17, 2020