Rhett cowley

Most popular questions and responses by Rhett cowley
1. Math

I have no idea how to calculate z scores Weights of the vegetables in a field are normally distributed. From a sample Carl Cornfield determines the mean weight of a box of vegetables to be 180 oz. with a standard deviation of 8 oz. He wonders what percent

2. Math

Mr. Farmer plans to harvest 305% of what he sows. How many bushels of corn must he sow to reap 900 bushels?

3. Math

Last year's sales were \$14,200. Sales have increased 57% this year. How much is the increase?

4. Math

Wellesville must meet a budget of \$27,000. All of the city's income is derived from property tax. What rate of tax must they use if the assessed value of the taxable property is \$1,173,913? (Answer to tenths) how do you work this out?

5. Math

Susan's property is assessed at \$27,500. The property tax rate in her city is 3.25%. Find her property tax. how do i find it?

6. Math

A steel reinforcing rod is 12 ft. long and 1" thick in diameter. If a cubic foot of steel weighs 490 lb., how much does the rod weigh (to the nearest pound)?

7. Math

Of the 103 people enrolled in mathematics class, 91% are present. How many are present?

8. Math

If a pool deck of 650 square feet is to be laid with concrete 3" thick, what volume of concrete will have to be poured in cubic yards? (Give answer in nearest whole cubic yard.)

9. math

A swimming pool 35 ft. long and 20 ft. wide is filled to an average depth of 5ft. How many gallons of water does the pool contain if a cubic foot holds 7 gallons?

10. Math

On Team B 80% of the football players weigh more than 200 pounds. If 41 men are on the team, how many weigh more than 200 pounds?

11. Math

A plumber is laying pipe. His assistant digs a trench in roughly the shape of a rectangular solid measuring 150 ft. in length, 9 inches deep along both sides, and 12 inches wide at the top and bottom. How many cubic feet of earth did he remove (to the

12. Math

A driveway 18 ft. wide and 36 ft. long is to be paved with concrete 3 in. thick. How many cubic yards of concrete are required?

13. Math

The Smiths have a pool that is 20 feet by 35 feet. A 5 foot wide deck completely surrounds the pool. The average depth of the pool = 6 feet. What are the approximate overall dimensions of the pool and deck?

14. Math

A plumber's assistant's rate of pay is \$0.75 per cubic foot of earth moved. He moves 220 cubic feet of earth to dig a trench. He moves the same amount to fill the trench. What is his pay for this job?

15. Math

If a pool holds 22,000 gallons, how long will it take to fill the pool at a rate of 400 gallons per minute, rounded off to the nearest minute?

16. Math

What part of an hour is 40 minutes?

17. Math

If a mixture of 24 lb. of cement, 48 lb. of sand, and 63 lb. of gravel is needed to make 1 cubic foot of concrete, how many pounds of sand are needed to pour a pool deck of 156 cubic feet?

1. Math

2745?

posted on May 5, 2014
2. Math

196.73?

posted on May 5, 2014
3. Math

so you times those two numbers? 103*.91?

posted on May 5, 2014
4. Math

\$22,294

posted on May 5, 2014
5. Math

\$330

posted on April 30, 2014