Find the crew rowing rate in still water

Assignment Help Mathematics
Reference no: EM13189985

A boat's crew rowed 12 miles downstream, with the current, in 1.5 hours. The return trip upstream, against the current, covered the same distance, but took 4 hours. Find the crew's rowing rate in still water and the rate of the current.

Reference no: EM13189985

Questions Cloud

How much did the investor withdraw at the end of year 8 : A careful investor saved $1,200 each year for 20 years. One year after the savings period ended, the investor withdrew $7,500 each year for a period of 5 years. In the sixth and seventh year, the investor withdrew $4,500 each of those years.
What is the length of the wave that gives minimum velocity : What is the length of the wave that gives the minimum velocity?
Unexpected regional fuel shortage : Sam contracts to harvest Tina's crop on August 1. Due to an unexpected regional fuel shortage, Sam cannot perform on the specified date. This
Determine the total cost is the sum of the two costs : Historical records show that 70 structures with 800 square feet of floor space and 8 foot ceilings were produced in 1999.Then the materials cost for each structure was $25,000 and the cost capacity factor is 0.65. Cost index values for 1999 and 20..
Find the crew rowing rate in still water : A boat's crew rowed 12 miles downstream, with the current, in 1.5 hours. The return trip upstream, against the current, covered the same distance, but took 4 hours. Find the crew's rowing rate in still water and the rate of the current.
State a two-component mixture of volatile liquids : A two-component mixture of volatile liquids was separated by gas chromatography using a 15 meter capillary column. The separation was insufficient with this column to see resolution of both fractions.
Calculate a 99% confidence interval for the population mean : A survey of 50 students found that on average they drink 2.3 beers a night with a standard deviation of 0.7. Calculate a 99% confidence interval for the population mean.
E-business / e-commerce : What do you predict to be the most significant new trend (paradigm) in E-Business / E-Commerce?
Find the speed of each train : the speed of a passenger train is 14 mph faster than the speed of a freight train. The passenger train travels 280 miles in the same time it takes the freight train to travel 210 miles. Find the speed of each train.

Reviews

Write a Review

Mathematics Questions & Answers

  Setting and solving linear programming question

A furniture manufacturer produces sofas, tables, and chairs. The profits per item are, respectively, $70, $120, and $80. The pieces of furniture require the following labor-hours for their manufacture.

  Sampling distribution and sample mean- probability

Sampling Distribution and Sample Mean : Probability, The shelf life of a digital storage device is normally distributed with mean 10 years and standard deviation 2 years. Suppose you are a quality assurance manager and wish to verify this statisti..

  Determining partial ordering relation

Let A = {1, 2, 3, 4, 5, 6,12} and define the relation R on A by m R n iff m|n. Show that this relation is a partial ordering relation. Draw its Hasse diagram.

  Use x to represent the number of doctors selected

Among the N = 18 doctors in a healthcare group, A=7 of them are board certified. A team of n= 4 doctors is going to be selected at random to staff a new clinic. Use X to represent the number of doctors selected into the team who are board certifie..

  Description of fermat little theorem

Please DO NOT USE Euler's function. You can only use Fermat's Little theorem if needed.

  State the null and alternative hypotheses

Set up a hypothesis test to try to prove that the mean number of hours studied at your school is different from the 14.6-hour-per-week benchmark reported by BusinessWeek.

  What proportion drinks 2 cups per day or more

if the top 5% of coffee drinkers are considered heavy coffee drinkers , what is the minimum number of cups consumed by a heavy coffee drinker? (Hint: find the 95th percentile)

  Terminating and repeating decimals

State whether each of the following fractions is a terminating or repeating decimal. If the decimal terminates, state the number of decimal places and show how you decided.

  How long was the average commute in north dakota

In 2005, the average commuting time to work in New York was 31.2 min. The average commuting time in North Dakota was 14.9 min shorter. How long was the average commute in North Dakota?

  Explain sampling without replacement

Important information about Probability : Sampling without Replacement A bag cotains 10 nickels, 5 dimes, and 3 quarters. If you draw 3 coins at random from the bag, without replacement

  Compute the mean and standard deviation of the information

Compute the mean and standard deviation of the information

  Make an interval estimate of the mean

Make an interval estimate of the mean so that you are 90 percent confidant that the true mean is in your interval.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd