6 Answered Questions for the topic precalculus help asap
12/09/19
Word problem help
A pot of coffee with a temperature of 100 degrees Celsius is set down in a room with a temperature of 20 degrees Celsius. The coffee cools to 50 degrees celsius in one hour.a. Find T(t), the...
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12/09/19
Word problem help!
A rectangular box without a top has a square base and a volume of 24 cubic inches. Let x be the length of the sides of the base. Write the surface area of the box as a function of the single...
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12/09/19
Precalculus word problem help
A certain right triangle has area 65 square inches. One leg of the triangle measures one inch less than the hypotenuse. Let x represent the length of the hypotenuse. Write the legs of the triangle...
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12/09/19
Precalculus word problem
An arch going into an alley is in the shape of a downward opening parabola. The base of the arch is 10 ft. wide, and the arch is 15 ft. high at its center. How wide is the arch 10 ft. up?
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12/09/19
Find an equation of the ellipse
Find an equation of the ellipse that has vertices (4, 2) & (-2, 2) and foci (3, 2) and (-1, 2)
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12/02/19
Precalculus Word Problem - 3 by 3 or 2 by 3 function
A total of $5000 is invested at 2%, 3% and 4%. The amount invested at 4% equals the total amount invested at 2% and 3%. The total interest for one years is $145. If possible, find the amount...
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