6,325 Answered Questions for the topic Word Problem

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

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

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

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

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

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

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

I don't even know where to start

A bridge with a supporting parabolic arch spans 60 feet with a 30-ft wide road passing underneath the bridge. In order to have a minimum clearance of 16 feet at either edge of the roadway, what is... more

Finding exponential decay given half-life problem

The half-life of a certain radioactive substance is 10 years. Initially there are 100 grams of the substance. Let A(t) be the number of grams of the substance at time t years. Find each of the... more

Continuous compound problem

How long will it take for an investment of $1000.00 to grow to $6000.00 at an interest rate of 3% if interest is compounded a) 3 times per yearb) Continuously

Projectile Motion

(Ignore air resistance) A man is riding in the back of a truck (facing forward) that is driving forward at a constant velocity of 30 mph. If he throws a ball straight upward so that it reachers a... more

I need help with this question

Blakes cell phone company charges him $20 plus $0.40 a minute. Steven’s cell phone company charges him $45 and $0.25 a minute. For how many minutes would Steven and Blake have to talk on their cell... more

Projectile Motion

1) A rifle is shot horizontally at a speed of 200m/s above flat ground. Compared to a bullet that is dropped at the same instant, the bullet that is shot will:a) take a longer time to reach the... more

10/19/19

how do you solve this problem

A sample of silicon contains two isotopes: silicon-28 and silicon-30. Silicon-28 atoms have a mass of 28 amu,whereas silicon-30 atoms have a mass of 30 amu. The sample contains 150 atoms and has a... more

10/17/19

I have 5 employees with different time allotments that I need to schedule

I have 6 employees I need to schedule to recieve cases on a case load rotation:Nancy who is a 0.9 time workerSara who is 0.9 time workerCandy who is half time so 0.5Amy who is also 0.5Andrea who is... more

10/16/19

two word problems i am having trouble with

Jack can do a certain job in 20 mins less time than Allen can do the same job. One day Jack starts the job but stops after 10 minutes due to getting hurt. Allen steps in and finishes the job after... more
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