12/04/19

Algebra Question!

At a temperature of 500 kelvins, 6 liters of an ideal gas had a pressure of 300 newtons per square meter. If the temperature was reduced to 250 kelvins, and the volume raised to 9 liters, what was... more
Follows • 1
Expert Answers •1

12/04/19

Find the work required to pump the fluid with weight density P lbs/ft^3 out of the tank below?
The picture is a cylinder lying on the ground on its side with a radius of 1ft. It is 6ft long pumping upwards. Any clues on how to set up the equation for this problem?
Follows • 1
Expert Answers •1

12/03/19

The ratio of boys to girls at camp is 3 to 5. If there are 80 fewer boys than girls, how many kids are at the camp?
Follows • 1
Expert Answers •1

12/03/19

The amount of time to complete a job varies inversely with the number of workers. Forty-two workers can finish a job in 18 days. How many days would it take 54 workers to complete the same job?
A) 8 daysB) 14 daysC) 23 daysD) 126 days
Follows • 1
Expert Answers •1

12/03/19

Working together, two pumps can drain a certain pool in 6 hours. If it takes the older pump 15 hours to drain the pool by itself, how long will it take the newer pump to drain the pool on its own?

College Math Help. Dealing with time. Its a homework problem I'm struggling with.
Follows • 1
Expert Answers •1

12/03/19

Conveyor Belt Cone
Sand falls from a conveyor belt at the rate of 30 cubic feet per minute onto the top of a conical pile. The height of the pile is always equal to the base diameter. At what rate is the height of... more
Follows • 1
Expert Answers •1

12/03/19

The price of a gallon of milk has been rising about 1.36% per year since 2000.

The price of a gallon of milk has been rising about 1.36% per year since 2000.If milk costs $4.70 now, what will it cost next year?If milk costs $4.70 now, how long will it take for the price to... more
Follows • 1
Expert Answers •1

12/02/19

I need help with this word problem
A chemical company makes two brands of antifreeze. The first brand is 70% pure antifreeze, and the second brand is 95% pure antifreeze. In order to obtain 130 gallons of a mixture that... more
Follows • 0
Expert Answers •1

12/02/19

Can someone help me

if x varies directly as y, and x=24 when y=3, find x when y=7
Follows • 1
Expert Answers •1

12/01/19

How many liters of 50% alcohol solution and 20% alcohol solution must be mixed to obtain 9 liters of 30% alcohol solution?
You need  liters of 50% solution and  liters of 20% solution.
Follows • 1
Expert Answers •1

12/01/19

probability and statistics

Find the probability of exactly two successes in five trials of a binomial experiment in which the probability of success is 50%. Round to the nearest tenth of a percent.
Follows • 1
Expert Answers •2

11/30/19

Please helppppp
find the standard equation of the circle through (0,1) , (2,3) and (1,1+√3)
Follows • 1
Expert Answers •2

11/27/19

A barrel contains 40 gallons of 30% antifreeze. How many gallons of a 90% antifreeze solution should be added to make the barrel contain 40% antifreeze ?
Follows • 1
Expert Answers •1

11/27/19

physics question
A 2.5 kg rubber ball is dropped from rest 5.0 m above ground. Upon its rebound, the ball only reaches a height of 4.0 m. How much energy was dissipated during the bounce? Please ignore losses due... more
Follows • 1
Expert Answers •2

11/27/19

Richard, Henry and Gavin share some sweets in the ratio 3:1:4. Richard gets 33 sweets. How many did Gavin get?
Richard, Henry and Gavin share some sweets in the ratio 3:1:4. Richard gets 33 sweets. How many did Gavin get?
Follows • 1
Expert Answers •1

11/27/19

(a + 1/a + 2)^2= 4, find a^2 + 1/a^2, given that a^2 + 1/a^2 cannot be negative
Follows • 1
Expert Answers •1

11/26/19

Algebra II: Graph
The graph of y= | 2x-6 | is shown below. Which change in the equation would shift the entire graph to the lefta. Replacing 2 with a 1b. Replacing 2 with a 3c. Replacing 6 with a 9d.replacing 6 with... more
Follows • 1
Expert Answers •1

11/26/19

Find the systems of equations

Paul is looking at two vacation packages while planning a trip to Cancun, Mexico. In the first vacation package, round-trip airfare costs $799, and it costs $139 per night to stay at the resort. In... more
Follows • 1
Expert Answers •1

11/26/19

The area of a certain country is 17​% more than the area of California​, so the​ country's area is what percent of California's area?
The area of a certain country is 17​% more than the area of California​, so the​ country's area is what percent of California's area
Follows • 1
Expert Answers •1

11/26/19

One number is seven less than five times another. If their sum is decreased by two, the result is twenty-seven. Find the numbers
find the smallest number and the largest number
Follows • 1
Expert Answers •1

11/26/19

Explain why one of the following limits can use L’Hospital’s rule and the other cannot.Evaluate both limits.

a. lim 𝑥→∞ 𝑥tan^−1 (1/𝑥)b. lim 𝑥→∞ (tan^−1𝑥)(cot^−1𝑥)
Follows • 1
Expert Answers •1

11/26/19

One side of a triangle is half the longest side. The third side is 7 feet less than the longest side. The perimeter is 38 . Find all three sides.
One side of a triangle is half the longest side. The third side is 7 feet less than the longest side. The perimeter is 38. Find all three sides.
Follows • 1
Expert Answers •1

11/23/19

Math Question, I need help
from point A and B, the distance between which is is 30km, two people heading toward each other that left at the same time meet in 3 hours and 20 min. If the first person where to leave 2 hours... more
Follows • 1
Expert Answers •1

11/23/19

I had a 10 question practice worksheet before a test, and I am completely stumped on these last two questions. Please help?
1) Jennifer wants to invest some money now to buy a new tractor in the future. If she wants to have 350,000 available in 4 ​years, how much does she need to invest now in a CD paying 4.25​%... more
Follows • 1
Expert Answers •1

11/23/19

Physics Question
The engine, which has an efficiency of 50% and power of 10 kW, is powered bydiesel fuel. How long will the engine run with 800 grams of diesel remaining in the fuel tank?
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.