6,349 Answered Questions for the topic Word Problem

12/15/19

Linear Programming Question

Aimee has just completed a fifty-minute history test with sixteen multiple-choice questions and six short answer questions. The multiple-choice questions were worth four points each, while the... more

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... more

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... more

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... more

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?

12/08/19

Math problem: word problem

If I’m driving at 54 mph and it takes 12 minutes and 22 miles to get home. At 2 minutes how many miles have I driven?

12/08/19

Physics, work problem

A mover is pushing a 20-kg box up a 30-degree ramp from the ground into a moving truck. He pushes with a constant velocity up the 2.1m ramp. He pushes it without rollers where the coefficient of... more

12/08/19

Physics, Energy Problems (confused!)

1) a 2000 kg rollercoaster starts from a height of 55 m and an initrial velocity of 8 m/s. When it reaches the bottom of the hill (height of zero), what is its velocity?2) For the rollercoaster... more

12/04/19

algebra 1 word problem

12/02/19

Need help with this problem

Samantha invests a total of $28,500 in two accounts. The first account earned a rate of return of 11% (after one year). However, the second account suffered a 10% LOSS in the same time period. At... more

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... more

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... more

11/27/19

Which of these two women is more likely to be the parent of two girls? Explain.

Professor Robertson and Professor Simpson are both mathematicians. Professor Robertson tells you that she has exactly two children, at least one of whom is a girl. Then Professor Simpson tells you... more

11/20/19

Linear equation word problem

Jasmine has been working to save money and wants to have an equation to model the amount of money in her bank account. She has been depositing $175 a month consistently, she doesn’t remember how... more

11/11/19

Fnet=ma Problems

1) a 500 kg car is travelling at 15 m/s and experiences a forward engine force of 2000N for 3 seconds. The combined frictional forces acting on the car are 600 N. What is the car's acceleration?2)... more

11/10/19

Fnet=Fma problems

1) a 500 kg car is travelling at 15 m/s and experiences a forward engine force of 2000N for 3 seconds. The combined frictional forces acting on the car are 600 N. What is the car's acceleration?2)... more

11/06/19

Laarnie can wash a volume of dirty clothes in 2 1/2 hours while Lyn can do the same job in 4hours. How long they finish the job by working together

Laarnie can wash a volume of dirty clothes in 2 1/2 hours while Lyn can do the same job in 4hours. How long they finish the job by working together

11/06/19

If I ride 7 miles in the morning and then I ride five times that in the afternoon how many miles did I ride

If I ride 7 miles in the morning and then I ride five times back in the afternoon how many miles did I ride

11/03/19

need help for Stat question

If sample data is such that for a one-tailed test of μ you can reject H0 at the 1% level of significance, can you always reject H0 for a two-tailed test at the same level of significance? Explain... more

11/03/19

Word problem help

Hi, what would be the best way to solve this word problem.Kyle took 2 hours to drive to work. Returning home, he traveled 30 mph faster and made it in one hour. What distance did he travel to get... more
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