Friday

December 9, 2016
Number of results: 20,207

**pre calculus**

How many gallons of gas is in a cylindrical tank (that is laying on it’s side, the circular bases are vertical, the diameter of the bases are 5 feet, the length of the tank is 8 feet, the gas is at a 2 ft level)?

*December 8, 2012 by Anonymous*

**College Calc**

A train travels from city A to city B and then to city C. The distance from A to B is 220 miles and the distance from B to C is 87.5 miles. The average speed from A to B was 55 miles per hour, and the average speed from B to C was 35 mph. What was the average speed from A to C...

*January 21, 2016 by Anon*

**math**

Henry's bus can go just 12 miles on a gallon of gasoline. When he started his vacation, the gas tank of the bus was 5/6 full. Later, when Henry had driven 336 miles, the gauge showed that the tank was still 3/5 full. If his low on gas light will come on when he has 1/15 a tank...

*October 12, 2009 by Bob*

**Math**

Henry's bus can go just 12 miles on a gallon of gasoline. When he started his vacation, the gas tank of the bus was 5/6 full. Later when Henry had driven 336 miles, the gauge showed that the tank was still 3/5 full. If his "low on gas" light will come on when he has 1/15 of a ...

*October 13, 2009 by Bob*

**Cousino**

A small motor boat travels to a point five miles upstream and back again in a total time of 1 hour and 20 minutes. If the boat makes 8 miles per hour in still water, what was the velocity of the stream?

*October 15, 2016 by Leesha*

**chemistry**

I have a problem that states: Find the pressure of a sample of carbon tetrachloride, CCl4 if 1.00 mol occupies 35.0L at 77.0 degress C (slightly above its normal boiling point). Assume that CCl4 obeys (a) the ideal gas law; (b) the van der Waals equation. The van der Waals ...

*December 30, 2007 by Alicia*

**calculus**

How many gallons of gas is in a cylindrical tank (that is laying on it’s side, the circular bases are vertical, the diameter of the bases are 5 feet, the length of the tank is 8 feet, the gas is at a 2 ft level)?

*December 9, 2012 by Ann*

**Maths**

A train travels from city A to city B. It leaves A at 11:15 AM and arrives at B at 2:20 PM. The distance between the cities is 123 miles. What was the average speed of the train in miles per hour (mph)? The average speed is ___ miles per hour.

*January 21, 2016 by kasey*

**pre algebra**

Laura takes very good care of her vehicles. She owns a blue van and a red truck. Although she bought them both new, she has owned the truck for 17 years longer than she has owned the van. If the sum of the ages of the vehicles is 41 years, how old is the van and how old is the...

*January 10, 2014 by michelle*

**Story Problem**

Ann drove 8 miles east, 4 miles south, 3 miles east, 6 miles north, 7 miles west, and 5 miles south. How many miles, in each of the compass directions, is she now from her starting point?

*August 23, 2011 by Smom*

**Math**

wahts 10 gallons of gas at the price of $1.599 per gallon?

*December 11, 2015 by Asiyah*

**Math- college**

Lisa's car get 22 miles per gallon of gasoline. How many miles can she drive on 24 gallon of gas?

*May 13, 2011 by Felicia*

**Math **

mike can drive his car 33 miles with one gallon of gas does he need to drive 15000 miles?

*March 14, 2016 by Katy*

**Grenada**

John has a 25-gallon fish tank. John filled his tank today with 23-gallons of water. The water evaporates at a rate of 1.5 gallons per week. John adds 2 gallons to the tank every other week. At what following time will the tank contain 16.5 gallons?

*January 13, 2013 by Daryl*

**Math**

A surfer drives his dune buggy out into the sand dunes.He follows his compass 10 miles due north and then turns due west. If he ends up approximately 35 miles from where he started how far west did he travel? a- 10 miles b- 25 miles c- 33.5 miles d- 35 miles My answer is c 33....

*March 28, 2015 by Steve*

**physics**

It says, A plane travels 400 mi/h relative to the ground. There is a 25 mi/h wind blowing from the west to the east. Find the plane's resultant velocity as it: a. travels west: b. travels east: c. travels north: d. The plane's final destination is 1250 miles north. If the ...

*November 2, 2010 by spandana siram*

**Math plz help me!!! URGENT!!**

1. Write the ratio in the simplest form. 16:24 (1 point) 1:2 4:3 3:4 2:3 2. Solve the following proportion. (1 point) p = 2 p = 8 p = 12 p = 24 3. A recipe calls for 2 cups of sugar to make 2 dozen cookies. Use the proportion to calculate how much sugar is needed to make 6 ...

*November 22, 2013 by jhubijn*

**Pre-Algebra**

Please help me. Thanks It's Pythagorean Theorem: A boot leaves port and travels 18 miles north and 15 miles east. How far from port is the boat? I have drawn a picture, 15² + 18² = c² ²= squared. Thanks... meh please someone help mewith this, thanks.

*January 14, 2010 by Dean*

**math**

if there is 4 gallons of blue paint and 3 gallons of yellow paint how many gallons of each color would you need to paint 4 bedrooms

*January 22, 2013 by Anonymous*

**Math**

If someone is renting a truck that has a 40 gallon tank and it gets 10 miles per gallon and they are traveling 252 miles, what will they pay for gas for the trip?

*March 18, 2013 by CJ*

**Physics**

A sound wave in air has a frequency of 240 Hz and travels with a speed of 334.7 m/s. How far apart are the wave crests (compressions)?

*March 12, 2013 by Andrewk*

**algebra**

the number of gallons of water,y,after x hours maybe modeled by the linear equation y=800-50x. Which of the following statements is true, a.it is filling at a rate of 800 gallons per hour/b.it is filling at a rate of 50 gallons per hour/c.it is emptying at a rate of 16 gallons...

*March 24, 2013 by Eric*

**math**

A motorist travels 120 miles to his destination at an average speed of 60 miles per hour and returns at an average speed of 60 miles per hour and returns to the starting point at an average speed of 40 miles per hour. What is his average speed for the entire trip

*July 11, 2015 by Mike*

**Algebra 2**

Mary and Sue are both on bikes and leave from point A. Mary travels west at a uniform speed (x mi/hr). Sue travels north at 5mi/hr faster than Mary. After 2 hours, they are 50 miles apart. What is the speed of each girl?

*April 24, 2012 by Chelsea:)*

**Algebra**

During the first part of a trip, a canoeist travels 57 miles at a certain speed. The canoeist travels 13 miles on the second trip at a speed 5 mph slower. The total time for the trip is 5 hrs. what was the speed on each part of the trip? The speed on the first part is? The ...

*April 21, 2012 by Jean*

**Algebra**

During the first part of a trip, a canoeist travels 57 miles at a certain speed. The canoeist travels 13 miles on the second trip at a speed 5 mph slower. The total time for the trip is 5 hrs. what was the speed on each part of the trip? The speed on the first part is? The ...

*April 22, 2012 by Stella*

**Physics**

A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 20.0 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 83.9 m), the block swings toward the outside of ...

*October 6, 2012 by Thien*

**Chemistry**

I had a problem that asked what volume of water in gallons would need to be split to store the same amount of energy as found in 10.0 gallons of gasoline? I got an answer of 10.06 gallons of water. Just by looking at it, does this sound like it could be right?... or completely...

*November 4, 2010 by Morgan*

**math 116**

Someone please help me with this quesion. A barrel contains 192 gallons of paint and is being drained at a constant rate of 11 gallons per minute. Write an equation that number of gallons,g,after t minutes. The equation that models the given situation is_______.

*March 5, 2013 by meka a*

**math**

Which is the idependent variable in the following situation?: A marine biologist wants to track the miles that a particular dolphin travels over the course of a year. The tracking system records the distance each week. A. length of dolphin. B. number of dolphins C. weeks of ...

*February 26, 2007 by austin*

**math**

Two cars leave at the same time from towns that are 460 miles apart and travel toward each other. They meet after 4 hours. Find the rate of each car if one car travels 13 miles per hour faster than the other.

*July 5, 2013 by Monica*

**Math**

Are these correct: 3) Find the capacity in gallons of a drum that is cone-shaped if the radius is 9 feet, and the slant height is 41 feet. (first find the volume) Volume in cubic feet = 3477.74306 cubic feet Capacity in gallons = 26013 gallons (Round answer to the nearest ...

*May 16, 2008 by Mike*

**MATH**

BOB BOUGHT 12 GALLONS OF GAS FOR $33.48. WHAT IS THE UNITED PRICE PER GALLON.

*May 3, 2011 by crystal*

**Math**

a 14.5 gas tank is 3/4 full. How many gallons will it take to fill? Please help me set this up. Thanks!!!

*October 20, 2015 by Kate*

**Algebra**

A coast guard helicopter receives a distress signal from a boat. the units (15,80) (55,38)represent miles. to the nearest minute, how long will it take the helicopter to reach the boat if the helicopter travels at an average speed of 75 miles per hour?

*November 16, 2010 by Loren*

**math**

Two trains heading toward each other are 400 miles apart. One train travels 15 miles per hour faster than the other train. If they arrive at the same station in 5 hours, how fast is each train traveling?

*August 9, 2012 by stephanie*

**algebra 1**

Harold's car has a fuel tank with 12 gallons of fuel in it. The fuel efficiency of Harold's car is 25 miles per gallon. Write an equation to represent the amount of fuel remaining, f, in Harold's car after driving m miles.

*December 1, 2016 by amy*

**math**

A speedboat racer travels at a steady rate of 0.75 of a mile per 0.25 of a minute. How many minutes does it take for the boat to travel 3 miles? How long will it take for the boat to travel 7.5 miles?

*May 5, 2011 by derrius*

**math**

A barrel contains 163 gallons of paint and is being drained at a constant rate of 12 gallons per minute Write an equation that models the number of gallons, g, after t minutes The equation that models the given situation is

*November 4, 2012 by gail*

**math**

A barrel contains 163 gallons of paint and is being drained at a constant rate of 12 gallons per minute Write an equation that models the number of gallons, g, after t minutes The equation that models the given situation is

*November 4, 2012 by gail*

**trigonometry**

1. A boat sails for 4 hours at 35 mph in a direction 135degrees 51'. how far shouth has it sailed (to the nearest mile)? Is it 96 miles?? 2. A ship travels 55 km on a bearing of 11degrees, and then travels on a bearing of 101degrees for 133 km. find the distance of the end of ...

*January 7, 2009 by please check*

**math**

Two trains leave a station at 11:00am. One train travels north at a rate of 75 mph and another travels east at a rate of 60 mph. Assuming the trains do not stop, about how many minutes will it take for the trains to be 250 miles apart?

*December 10, 2015 by Help Please!*

**physics**

A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 26 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 135 m), the block swings toward the outside of the ...

*October 5, 2010 by ANDREW*

**physics**

A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 26 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 135 m), the block swings toward the outside of the ...

*October 6, 2010 by ZAC*

**physics**

A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 32 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 140 m), the block swings toward the outside of the ...

*October 23, 2010 by Fred*

**Physics**

A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 32 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 140 m), the block swings toward the outside of the ...

*October 23, 2010 by madeline*

**Physics **

A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 27 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 180 m), the block swings toward the outside of the ...

*March 5, 2011 by Julius *

**physics **

A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 27 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 180 m), the block swings toward the outside of the ...

*March 5, 2011 by Julius *

**Physics**

A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 20 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 165 m), the block swings toward the outside of the ...

*October 6, 2012 by Moises*

**Math**

3) Find the capacity in gallons of a drum that is cone-shaped if the radius is 9 feet, and the slant height is 41 feet. (first find the volume) Volume in cubic feet = cubic feet Capacity in gallons = gallons (Round answer to the nearest gallon) (Use 1 cu ft = 7.48 gallons)

*May 15, 2008 by Mike*

**math**

The distance that light travels in 1 year (a light year) is 5.88 times 10 Superscript 12 miles. If a star is 4.6 times 10 Superscript 7 light years from Earth, what is this distance in miles? Enter your answer in scientific notation. Round the coefficient to two decimal places...

*October 3, 2016 by Anyno.*

**math**

an athlete. an run in 6 miles in 51 minutes. at this rate approximately how far could the runner go in 1.5 hours? A. 0.2 miles B. 8.5 miles C. 10.6 miles D. 12.75 miles

*March 4, 2013 by mary*

**statistics**

Miles per gallon. In its Fuel Economy Guide for 2008 model vehicles, the Environmental Protection Agency gives data on 1152 vehicles. There are a number of outliers, mainly vehicles with very poor gas mileage. If we ignore the outliers, however, the combined city and highway ...

*September 21, 2011 by MAC*

**algebra**

The number of gallons of water, y , in a tank after x hours may be modeled by the linear equation y = 800 - 50x . Which of the following statements about the tank is true? It is filling at a rate of 50 gallons per hour. • It is emptying at a rate of 800 gallons per hour...

*May 11, 2013 by lisa*

**algebra**

The number of gallons of water, y , in a tank after x hours may be modeled by the linear equation y = 800 - 50x . Which of the following statements about the tank is true? It is filling at a rate of 50 gallons per hour. • It is emptying at a rate of 800 gallons per hour...

*May 11, 2013 by lisa*

**physics**

a 2575 kg van runs into the back of a 825 kg compact car at rest. They move off together at 8.5 m/s. Assuming no friction with the ground, find the initial speed of the van.

*February 7, 2011 by Nilan*

**Chemistry**

(Help) (Problem) A radio wace travels 186,000 miles per second. How many kilometers will the wave travel in one microsecond? (1 mile= 1.61km) distance= timeinseconds/velocity change the given velocity in miles/hr to m/sec 186kmi/sec *1.6km/mi

*January 23, 2007 by Bryan*

**Algebra**

A ship travels from New York to southampton, england at 33 miles per hour. A plane traveling 605 miles per hour takes 104 hours less time to make the same trip. How far apart are the two cities?

*June 1, 2010 by Avery*

**Algebra**

An airplane flies 165 miles from point A in the direction 130 degrees and then travels in the direction 245 degrees for 80 miles. Approximately how far is the airplane from A?

*April 24, 2015 by Anne*

**math**

There are 8 gallons of water in a tank which can hold 15 gallons. How many gallons can be added to this tank.

*April 28, 2016 by tina*

**math**

Suppose the weekly use of gasoline for motor travel by adults in North America is approximately normally distributed, with a mean of 14 gallons and a standard deviation of 6 gallons. What proportion of adults use more than 18 gallons per week?

*April 16, 2012 by Eliza*

**College Physics**

A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 29 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 135 m), the block swings toward the outside of the ...

*October 2, 2010 by Dawn*

**Math**

I'm having a hard time coming up with the right equation to solve this one. E-Z Stop Fast Gas sold $10,957 worth of gasoline yesterday. Regular grade sold for $2.30 a gallon and premium grade sold for $2.55 a gallon. If the station sold 420 more gallons of regular than of ...

*May 1, 2013 by Ann*

**algebra**

Can someoe please help me figure this out? During the first part of a trip, a canoeist travels 63 miles at a certain speed. The canoeist travels 6 miles on the second part of the trip at a speed of 5 mph. slower. The total time for the trip is 5 hours. 1. What was the speed (...

*July 10, 2008 by C*

**MATH**

HOW LONG WILL IT TAKE A CAR BEING DRIVEN AT A SPEED OF 15 MILES PER HOUR TO TRAVEL 26,400 FEET? AN OBJECT MOVING AT A RATE 0F 15 MILES PER HOUR TRAVELS 22 FEET IN ONE SECOND.

*August 18, 2010 by BILL*

**math**

a plane travels 1020 miles from new york city to minneapolis in 3.3 hours. the return trip takes 2.75 hours. how fast is the plane flying in miles per hour during the return flight?

*December 9, 2013 by John Dosley*

**Stats **

Suppose that you drive $32,000 miles per year and gas averages $2.50 per gallon. What will you save in annual fuel expenses by owning a hybrid car averaging 50 miles per gallon rather than an SUV averaging 12 miles per gallon.

*November 23, 2015 by Meka*

**7th grade math**

A little more help please. The trip will be 560 miles. Their bus travels at an average speed of 60 miles per hour... The bus route passes through Balmorhea which is 1/3 od the way from El Paso to San Antonio. About how long does it take the bus to get to Balmorha?

*September 10, 2008 by Jessica*

**Drivers Ed.**

Say your car gets 25 miles to the gallon. My destination is about 250 miles away. How many times will i have to fill my car up before I run out if gas?

*September 8, 2016 by Kate*

**art**

Which artist was van Eyck's closest contemporary? Bosch, Van Der Weyden, Gruneweld, or Holbein? I think it was Gruneweld.

*December 17, 2007 by Rose*

**Pre-Algebra **

1.Write the ratio in the simplest form 45:15 9:3 3:1*** 1:3 4:1 2.Solve the following proportion p/6 =7/8 p=5.25*** p=8 p-10.5 p=42 3.James has a model helicopter. The model is 8 inches long and 7 inches wide. The actual helicopter is 56 inches long. What is the helicopter's ...

*November 22, 2015 by Cami*

**math**

write an equation that I can use to find the distance I can drive on any number of gallons of gas

*October 29, 2015 by james*

**math**

if I am traveling by plane from Marshfield to Minnepolis (150 Statue miles) which equals 172.5 nautical miles. Our true course is set at 207 degrees. Theresa os a wind blowing from 90 degrees at 10 knots. Normally the plane travels at 100 knots per hour, but the wind will ...

*October 31, 2009 by Theresa*

**Chemistry**

15.0 moles of gas are in a 6.00L tank at 298.15K. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane are a=2.300 L^2*atm/mol^2 and b=0.0430 L/mol. I found the idea gas pressure to be 61.2 atm by...

*September 13, 2012 by Lori*

**Physics**

A 2569 kg van runs into the back of a 827 kg compact car at rest. They move off together at 8.5 m/s. Assuming the friction with the road can be negligible, find the initial speed of the van.

*December 2, 2008 by Anonymous*

**physics**

A 2561-kg van runs into the back of a 823-kg compact car at rest. They move off together at 8.5 m/s. Assuming the friction with the road is negligible, calculate the initial speed of the van.

*December 18, 2012 by Danny*

**physics**

A 2561-kg van runs into the back of a 823-kg compact car at rest. They move off together at 8.5 m/s. Assuming the friction with the road is negligible, calculate the initial speed of the van.

*December 19, 2012 by Anonymous,*

**physics**

A 2561-kg van runs into the back of a 823-kg compact car at rest. They move off together at 8.5 m/s. Assuming the friction with the road is negligible, calculate the initial speed of the van.

*December 20, 2012 by Anonymous,*

**Physics**

A 2563-kg van runs into the back of a 826-kg compact car at rest. They move off together at 8.5 m/s. Assuming the friction with the road is negligible, calculate the initial speed of the van.

*January 15, 2013 by Caleb*

**physics**

A(n) 2864 kg van runs into the back of a(n) 856 kg compact car at rest. They move of together at 7.5 m/s. Assuming no friction with the ground, find the initial speed of the van. Answer in units of m/s.

*December 20, 2015 by luma*

**grammar**

which possessive noun sentence is correct? Her family's van was confortable. or Her families van was confortable.

*February 3, 2009 by mhrdina*

**Physics**

a car travels 59.78 miles east in 89.67 minutes, then 89.67 miles north in 59.78 minutes, and then 29.89 miles at 59.78 degrees west of south in 149.45 minutes. whats the magnitude of the car's average velocity in miles per hour??? Please help!!!!!! P.S. please don't round ...

*September 7, 2009 by Autumn*

**math **

to rent a van a moving company charges $40.00 plus $7.50 per mile. the table shows the total cost for the number of miles driven. enter an equation in slope- intercept in this represents this situation

*December 1, 2016 by angelina *

**math**

betsy travel on a bus for 21 miles to school. if betsy travels for a full week (7 days). how many total miles did she travel ? Use a drawing and distributive property to solve. I got the answer i am asking for the what drawing should I show. pls help thank you

*January 9, 2014 by gautam*

**math**

At 1:00 p.m., a car leaves a city and travels north at a rate of 55 mi/h. An hour later, a second car leaves the city and travels south at a rate of 60 mi/hr. At what time will the two cars be 285 miles apart We will be happy to critique your work or thinking.

*May 7, 2007 by veronica*

**math**

I solved these can you chack them 1. 24 quarts = 6 gallons? 2. 5 cups = 40 oz? 3. 8 cups = 4 pints? 4. 81000 pounds = 4 1/2 tons? 5. 1 quart = 4 cups? 6. 8 gallons = 32 quarts? 7. 32 quarts = 8 gallons? 8. 13 quarts = 3.25 gallons? 9. 24 full ounces = 1.5 pints or 21.6? 10. ...

*January 9, 2010 by Dakota*

**Math**

PLEASE HELP: A bathtub has a capacity of 42 gallons and is completely full of water. Ten gallons of water are drained out. Enter the percentage of gallons of water left in the bathtub. Round your answer to the nearest hundredth.

*September 17, 2015 by jwalkerjess*

**calc**

A train travels from city A to city B. The cities are 600 miles apart. The distance from city A at t hours after the train leaves A is given by d(t) = 50t + t^2. What is the average velocity of the train in miles per hour during the trip from A to B?

*February 6, 2010 by h*

**Algebra **

A tank contains 150 gallons of water and fills at a rate of 8 gallons per minute. A second tank contains 600 gallons of water and drains at a rate of 10 gallons per minute. After how many minutes will both tanks have the same amount of water?

*November 13, 2016 by David*

**MATH**

WEIGHTED AVERAGE A SHIP TRAVELS FROM NEW YORK TO SOUTHAMPTON ENGLAND AT 33 MILES PER HOUR. A PLANE TRAVELING 605 MILES PER HOUR TAKES 104 HOURS LESS TIME TO MAKE THE SAME TRIP. HOW FAR APART ARE THE TWO CITIES?

*September 30, 2008 by ````````````````````````````````````````````````````````````````````````*

**math**

A kayaker travels x miles per hour downstream for 2 hours. On the 4-hour return trip, the kayaker travels 4 mile per hour slower. How far did the kayaker travel in total?

*January 3, 2016 by trish*

**Math**

When Clint began his pursuit, Sue was already 60 miles ahead. If Sue travels at 40 mph and Clint travels at 60 mph, how many hours will it take Clint to catch up with Sue? It is a distance problem I do know that. I am not sure what type. Either + or =. I am very unsure and ...

*February 22, 2010 by Crystal*

**math**

the speed of train A is 14 mph slower than train B. Train A travels 190 miles in the same time it takes train B to travel 260 miles. What is the speed of each train?

*March 31, 2013 by pam*

**5th grade math**

The moon is about 240.000 miles from Earth. What is this distance written as a whole number multiplied by the power of ten?

*September 13, 2012 by Jordan*

**physics**

A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 28.9 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 144 m), the block swings toward the outside of the...

*October 19, 2011 by Dan*

**math **

on a drive through allegheny county,natalie drove due west for 9 miles,then turned left and proceeded to drive due south.after traveling 12 miles south,what was the straight 12 miles line distance between where natalie startd and where she ended her drive? 1] 13 miles 2] 14 ...

*November 15, 2012 by pierre*

**chemistry**

A typical bathtub can hold 106 gallons of water. Calculate the mass of natural gas that would need to be burned to heat the water for a tub of this size from 56 ◦F to 87 ◦F. Assume that the natural gas is pure methane (CH4) and that the products of combustion are ...

*October 26, 2013 by maria*

**math**

1. 24 quarts = 6 gallons? 2. 5 cups = 40 quarts? 3. 8 cups = 4 pints? 4. 81000 pounds = 4 1/2 tons? 5. 1 quart = 2 cups? 6. 8 gallons = 32 quarts? 7. 32 quarts = 8 gallons? 8. 13 quarts = 1/4 gallons? 9. 24 full ounces = 1/5 pints? 10. 112 ounces = 7 pounds? 11. 4 tons = 8000 ...

*January 8, 2010 by Dakota*

**Calculus**

I throw a ball off the roof. It travels s = 240+22t-t^2. S is the balls distance after I release it. How tall is the building? How high above the ground did the ball get?

*November 16, 2013 by Loki*

**physics**

A van traveling down a slope with a uniform acceleration of 2.15 meters/second2 attains a speed of 20.00 meters/second after 7.00 seconds. What is the initial velocity of the van?

*June 22, 2012 by Anonymous*