O Suppose the equation for the amount of water w (in gallons) in the poolafter t hours is w = -450(2t – 7).1. How many gallons of water are pumped out each hour?2. How long will it take to empty the pool?3. How many gallons of water are in the pool at the start?4. Write an expression that is equivalent to –450(2t – 7). Whichexpression is more useful? Explain.

Here as per POLICY I have calculated first 3 subpart only

Answered: 1. How many gallons of water are pumped…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Similar questions

The dosage is 5 mg/ kg po SID for 30 days. Eliza weighs 100 lb. Doxycycline comes in 50 mg and 100 mg tablets.a. What is Eliza’s weight in kg?b. What dose of doxycycline should she get in mg?c. How many 50 mg tablets would she get per dose?d. How many 100 mg tablets would she get per dose
Obstetrician has required that you give 500 MCG of a medication. you have 1 mg tablets.how many tablets should you give
Mr. Goodmoore used a 60-foot sprayer to apply 11 / / 2 quarts per acre of a postemergence (burndown) herbicide to 600 acres of corn land. The herbicide is sold in a 21 / / 2-gallon container at $98.75 per container. He sprayed at a rate of 5.5 mph. Allow an extra 10 percent of total time for turning and filling. a. How many hours did it take to apply the herbicide? b. What was the cost of the herbicide?
8. A commercial jet burns fuel at roughly one gallon every minute. If the jet flies at 570 miles per hour, how many gallons will it burn through in a trip from New York to London (distance of 3,462 miles).
Mosquitoes are annoying insects. To eliminate mosquito larvae, a certain granular substance can be applied to standing water in a ratio of 1 tsp per 30 sq ft of standing water. a. At this rate, find how many teaspoons of granules must be used for 360 sq ft. b. If 3 tsp = 1 tbsp, how many tablespoons of granules must be used? a. b. teaspoons of granules must be used. tablespoons of granules must be used.
A recipe for Roasted Corn Chowder makes 1.5 gallons and calls for 40 oz. of fresh-shucked corn. 1) If you want to make 10, 6-fluid-ounce servings, how many ounces of fresh-shucked corn should you use? (Leave answer in decimal form) oz. 2) You want to make 6 gallons of soup. If 1 ear of corn yields 8 oz. of shucked corn, how many ears of corn do you need to purchase? ears
A huge inflatable raft takes 27 minutes to fill using a pump. After fully inflating, it takes 63 minutes to let all the air out of the raft. How long (in mins and seconds) would it take for the pump to fully inflate the raft while the valve was left open? ___ munutes and ___ seconds
d. There is 800L of water in a tank. At the top, a tube pours 25L per minute into the tank, and at the bottom, another tube leaves 30L per minute. How many liters of water will be in the tank after 15 minutes of operation?
2. Suppose a bacteria sample contains 1000 bacteria. 6 hours later, there are 2400 bacteria. Find how long it would take until the sample has 10,000 bacteria.

Recommended textbooks for you

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

SEE MORE TEXTBOOKS

1. How many gallons of water are pumped out each hour? 2. How long will it take to empty the pool? 3. How many gallons of water are in the pool at the start?