Saturday

April 19, 2014

April 19, 2014

Number of results: 11,326

**math**

Trahen is building a fence that is 6 feet high and 18 feet wide to put around his garden. He has two sizes of boards that he can use. One is 2 feet by 6 feet and the other is 4 feet by 6 feet. Trahen can put the boards either horizontally or vertically and he has lots of ...
*Wednesday, July 10, 2013 at 11:00am by GT*

**math**

john was building a new fence and he wnats it to stand 8 1/2feet above the ground level. to make sure it is secure he must place it 2 3/4 feet into the ground. howlong of a apost should john buy? a)10 1/2 feet b)10 3/4 feet c)11 1/2 feet d)11 1/4 feet e)11 feet i choose d am i...
*Wednesday, October 3, 2007 at 1:38pm by jessica*

**math ,geometry**

John is building a fence that is 6 feet high and 18 feet wide to put around his garden. He has two sizes of boards that he can use. One is 2 feet by 6 feet and the other is 4 feet by 6 feet. John can put the boards either horizontally or vertically and he has lots of boards of...
*Thursday, July 11, 2013 at 12:02am by GT*

**chemistry**

go to google and type in 17.4 cubic feet to liters and hit the enter button. Or you can do it hard way, and probably should do it that way to test if you can do it, convert by unit factors.
*Monday, March 8, 2010 at 12:27pm by DrBob222*

**math..word problem**

A landscaper dug holes. It takes him 1 hour to dig a hole 2 feet deep, 2 feet long and 2 feet wide. Assuming everything remains the same, how many hours would it take him to dig a hole 4 feet deep, 4 feet long and 4 feet wide?
*Friday, August 21, 2009 at 5:49am by M.A.*

**Math**

A landscaper is digging holes it takes him one hour to dig a hole 2 feet deep, 2 feet long and 2 feet wide. Assuming everything remains the same, how many hours would it take him to dig a hole 4 feet deep, 4 feet long and 4 feet wide?
*Friday, August 21, 2009 at 7:55am by Sarah*

**Geometry**

The average human heart pumps about 60 milliliters of blood for each beat. a. About how many liters of blood does your heart pump each day? b. Do you think a reasonable degree of precision for this question would be to report the answer to the nearest 100 liters, 10 liters, 1 ...
*Tuesday, December 3, 2013 at 12:44pm by Missy*

**CHEMISRTY**

How many liters of H2O will form when excess O2 reacts with 100 liters of H2 according to the gas phase reaction:
*Friday, May 3, 2013 at 6:28pm by KRISTY*

**science**

A 10 centimeters cubed sample of salt having a mass of 8 grams is added to 20 centimeters cubed of water having a mass of 15 grams. What is the mass of the mixture?
*Friday, October 12, 2012 at 8:07pm by Ann*

**6th grade Math**

The rectangular backyard is 100 feet by 80 feet, and the patio is 13 feet by 8 feet. What is the area of the backyard that is planted with grass?
*Tuesday, April 23, 2013 at 6:44pm by Anonymous*

**math**

sorry the all options are: a 7.5 feet b 22.5 feet c 15 feet d 45 feet.... plz explain how to do also. plz . thanks
*Monday, February 9, 2009 at 4:45pm by Anonymous*

**Math**

John is building a fence that is 6 feet high and 18 feet wide to put around his garden. He has two sizes of boards that he can use. One is 2 feet by 6 feet and the other is 4 feet by 6 feet. John can put the boards either horizontally or vertically and he has lots of boards of...
*Tuesday, February 19, 2013 at 2:45am by John*

**Math**

( 2 3/4 miles ) / ( X feet) = ( 1 mile)/ ( 5280 feet ) then cross multiply (2 3/4 mi)*(5280 feet)= (x feet)(1 mi) (2 3/4 )(5280) = x feet that equals your total feet for 2 3/4 miles.
*Wednesday, March 5, 2008 at 9:00pm by Joshua*

**geometry**

how much water can be held by a cylindrical tank with a radius of 12 feet and a height of 30 feet? is it 33912 cubic feet? or perhaps 2260.8 cubic feet?
*Wednesday, June 15, 2011 at 11:47pm by danna*

**MATH**

The length of the house is 50 feet, the width is 30 feet, and from the ground to the gable (the height of the rectangle) is 10 feet. The height of the triangular prism on top is 6.5 feet.
*Thursday, June 30, 2011 at 6:20pm by Anonymous*

**ymous**

You're standing 14 feet from the edge of a cylindrical water tank and is 26 feet from the point of tangency. the tank is 10 feet tall. what is the volume in cubic feet
*Thursday, March 8, 2012 at 4:54pm by anon*

**math**

If it is written as 2w^3, then w is cubed, then multiplied by 2 if it is written as (2w)^2 , then w is multiplied by 2 and then the product , (not the sum) , is cubed e.g. if w = 4 2w^3 = 2(64) = 128 (2w)^3 = 8^3 = 512
*Tuesday, September 10, 2013 at 4:42pm by Reiny*

**math**

Shela's room is 16 feet by 8 feet. If she is buying carpet squares that are 2 feet by 2 feet, how many squares does she need to purchase?
*Friday, May 11, 2012 at 12:07pm by EH*

**chemistry**

Given the balanced equation: C2H4 + 3O2 ¨ 2CO2 + 2H2O How many liters of CO2 are produced when 15 liters of O2 are consumed?
*Tuesday, July 13, 2010 at 7:43am by Dillon*

**physics**

Suppose that it takes exactly 15.0 hours to drain a container of 6.10 liters of water. What is the flow rate in liters/second?
*Tuesday, June 14, 2011 at 10:34pm by lisa*

**chemistry**

A piston has an external energy of 8.00atm. How much work has been done if the cylinder goes from volume of 0.140 liters to 0.450 liters.
*Sunday, September 30, 2012 at 3:45pm by Anonymous*

**chemisrty**

how many liters of oxygen can be produced at stp from the decomp. of .25 liters of 3M H2O2 ACCORDING TO THE REACTION 2H2O-2 H2O+O2
*Saturday, November 24, 2012 at 6:59pm by chris*

**math**

A Dolphin is 30 feet below the surface of the water. She rised 23 feet, sinks 17 feet, and finally rises another 27 feet. If there are no other changes, the dolphin is
*Saturday, June 2, 2012 at 10:53pm by felicia*

**Chemistry**

If a gas has a volume of 400.0 cm cubed at a pressure of 755 mmHg and a temperature of 25 degrees celsius, what would be its pressure (in atm) at 85 degrees celsius if the volume is reduced to 50.0 cm cubed?
*Monday, April 21, 2008 at 10:47am by Kate*

**algebra**

write (27a^-3)^(-2/3) in simplest form. solve log(6x+11)=2 please and thanks I need to see your work on the first. On the second, take the antilog of each side what is the antilog? I'm not quite sure what to do for the first, but this is what I tried to do: (27a^-3)^(-2/3) =...
*Sunday, May 27, 2007 at 9:27pm by Lillian*

**Precalculus help fast**

a farmer has available 1032 feet of fencing and wishes to enclose a rectangular area. If x represents the width of the rectangle for what value of x is the area the largest A) 256.5 feet b) 258 feet c) 256 feet d) 257 feet please show work! i need help fast
*Monday, March 29, 2010 at 5:52pm by Arielt*

**7th grade math help square roots**

4. Wei-Min makes a square quilt that has an area of 100 square feet. It has 25 square blocks, each the same size. What is the length of each side of a block? 2 feet 4 feet 6 feet 10 feet What is the value of "x" if 25^2 = x? 125 0 625 5
*Wednesday, October 3, 2012 at 9:21pm by Delilah*

**Math**

Is it possible to find out how long is the wall? The choices shown for the problem are: (a) 8 feet (b) 12 feet (c) 14 feet (d) 15 / 9 feet (e) None of these. Because I had put down (e) none of these.
*Thursday, September 15, 2011 at 2:08pm by Martin*

**math**

1 yard is 3 feet so, 5 yards = 15 feet is 15 feet more or less than 13 feet 6 inches?
*Thursday, February 2, 2012 at 6:55pm by Steve*

**Inter. Algebra**

what is the answer to 12x squared y cubed /2xy squared +6xy * y squared +6y+9 /3y cubed +9y squared? You have not written an equation, only an algebraic function, with two variables. You need to add parentheses to clarify the order of operations. There is no "answer". It can ...
*Saturday, December 2, 2006 at 6:14pm by Andrea*

**Math**

1. 5/ 8+root 7 A. 5/57 B. 5 root 7 /15 C. 5- root 7/8 D. 40- 5 root 7/ 57 My answer I had two was not sure A and D . 2. An object 8.1 feet tall casts a shadow that is 24.3 feet long. How long in feet would the shadow be for an object which is 17.4 feet tall? A. 1.2 feet B. 5.8...
*Thursday, August 22, 2013 at 10:32am by Queta*

**chemistry**

Determine how many liters of nitrogen will be required to produce 87.0 liters of ammonia. The balanced equation for this reaction is: 3H2(g) + N2(g) ==> 2NH3(g).
*Wednesday, January 5, 2011 at 9:37pm by Lisa*

**math**

the dimensions of a rectangular prism are height 7 feet, width 4 feet and length 3 feet find the surface area part 2: dimensions of the cylinder are height 7 feet and radius 3.5 feet solve with a decimal then round to the nearest half foot. part 3 you have 1 gallon of paint ...
*Saturday, November 27, 2010 at 10:46am by kim*

**Math**

Volume cube = a^3 Surface Area cube = 6 a^2 cubed root of 12sqin= cubed root of a 2.28942848511sqin=a (6)2.28942848511sqin^2=31.4488962095 31.4488962095 x .5 cents=15.7244481048
*Sunday, March 3, 2013 at 10:10pm by sam*

**Chemistry**

Calculate the volume occupied by 200g of steam at 200 °C and 0.5 atm. is my answer correct: PV = nRT V = nRT/P V = gRT/mm P V = (200g H2O)(0.0821 liters atm/1mole K)(473 K)/ (18g H2O/1mole )(0.5 liters atm) = 863 liters
*Friday, May 24, 2013 at 2:17pm by Timofey*

**Chemistry**

Two more need help figuring out how to do: How many liters of water vapor can be produced when 8.23 liters of oxygen gas reacts with hydrogen gas (H2g + 02g = H20g. How many liters of water vapor can be produced if 108 grams of methane gas are conbusted at 312K and 98 atm. CH4...
*Saturday, July 23, 2011 at 11:38pm by Anonymous*

**Math**

From a boat on the lake, the angle of elevation to the top of a cliff is 26°35'. If the base of the cliff is 85 feet from the boat, how high is the cliff (to the nearest foot)? A. 56 feet B. 43 feet C. 53 feet D. 46 feet I HAVE BEEN WORKING ON THIS FOREVER! please help me :( i...
*Tuesday, October 23, 2012 at 6:46pm by Ashley*

**Precalculus**

a farmer has available 1032 feet of fencing and wishes to enclose a rectangular area. If x represents the width of the rectangle for what value of x is the area the largest A) 256.5 feet b) 258 feet c) 256 feet d) 257 feet please show work! i need help fast
*Monday, March 29, 2010 at 6:13pm by Help now fast due tommorow*

**Precalculus**

a farmer has available 1032 feet of fencing and wishes to enclose a rectangular area. If x represents the width of the rectangle for what value of x is the area the largest A) 256.5 feet b) 258 feet c) 256 feet d) 257 feet please show work! i need help fast
*Monday, March 29, 2010 at 6:36pm by Help now fast due tommorow!!!!!!!!!!!!!!!!!!!!!!!!*

**algebra**

A store sells a 1-liter container of juice for 75¢ and a 2-liter container for $1.40. Assume that the cost varies linearly with the number of liters, and find the slope of the line that shows the relationship. How many liters would be in a container that cost $3.35? I know ...
*Sunday, February 21, 2010 at 5:56pm by sanda*

**Math**

The radiator of a car contains 20 liters of water. Five liters are drained off and replaced by antifreeze. Then 5 liters of the mixture are drained off and replaced by antifreeze, and so on. This process is continued until six drain-offs and replacements have been made. How ...
*Saturday, January 11, 2014 at 2:20pm by Gregg*

**math**

Squared is like this: For example, if yo have 2 squared, that means you find out what 2x2 is. you write the number 2 times. If it was 5 squared,you would do: 5x5. Cubed is the same thing, only you write the number 3 times. For example, 3 cubed is: 3x3x3.
*Wednesday, February 9, 2011 at 7:02pm by Erika*

**Math**

A baseball player hits a pitch when the ball is 2 feet off the ground. Two hundred feet from the plate, the ball reaches its maximum height of 82 feet. Will the ball clear the home run wall that is 10 feet high and 380 feet from home plate?
*Saturday, January 1, 2011 at 9:11pm by Morgan*

**Algebra Please Help**

I am doing Unit Analysis and I can not fugure out how to set the promble up on these 3. Am not great at these because there like word prombles can you please help. I just need to know how to set it up. 1.How many cubic meters are there in a cubic mile? (1 mi = 1609.344 m.) 2....
*Friday, April 29, 2011 at 11:11pm by Shawn L*

**College Physics**

2 questions: a)Assuming that water has a density of exactly 1 g/cm3 (cubed), find the mass of one cubic meter of water in kilograms. b)Suppose that it takes 10 hours to drain a container of 5700m3 (cubed) of water. What is the "mass flow rate," in kilograms per second, of ...
*Sunday, August 22, 2010 at 12:37am by Frank*

**algebra**

a storage bin is shaped like a cylinder with a hemisphere shaped top. the cylinder is 45 inches tall. the volume of the bin is 4131 pi cubic inches. find the radius of the bin. i think [4(pi)r(cubed)]/3=volume of hemisphere and h (pi) r squared volume of the cylinder. so [4(pi...
*Monday, November 1, 2010 at 6:52pm by ken*

**math**

Robert planted pumpkins to sell. Their garden has 5 sides. 5 feet 8 inches, 7 feet 8 inches, 10 feet 3 inches, 7 feet 5 inches, 7 feet 11 inches. What is the perimeter of their garden?
*Sunday, September 23, 2012 at 5:40pm by pete*

**maths**

Michelle is making a scale drawing of a building. The scale for the drawing is 1 inch = 6 feet. The height of the building in the drawing is 17 1 4 inches. Determine the height of the actual building. 123 feet 117.25 feet 103.50 feet 102 feet 23.25 feet
*Friday, February 18, 2011 at 5:28pm by Anonymous*

**algebra**

You are standing 14 feet from the edge of a cylindrical water tank and 26 feet from a point of tangency. The tank is 10 feet tall. What is the volume of the tank in cubic feet?
*Sunday, March 13, 2011 at 4:42pm by Sarah*

**chemistry**

How many liters of water vapor can be produced if 8.9 liters of methane has (CH4) are combusted, if all measurements are taken at the same temperature and pressure? Please answer & explain
*Monday, March 26, 2012 at 10:52am by Anonymous*

**math**

a baseball player hits sa pitch when the ball is 2 feet off the ground. two hundred feet from the plate, the ball reaches its maximum height of 82 feet. will the ball clear the home run wall that is 10 feet high and 380 feet from home plate?
*Monday, January 3, 2011 at 5:22pm by Lindsey*

**Calc**

A closed box with a square base is to be constructed so that its volume is 324 cubed feet. The material for the top and bottom cost is $3 per square foot, and that for the sides $2 per square foot. Find the dimensions of the box so that the cost will be minimum.
*Tuesday, June 5, 2012 at 8:53pm by Caitlin*

**Algebra**

10,000 is wrong. You can't multiply feet times yards. Since there are 3 feet in a yard, you'll need to change 200 yards to 600 feet. Then multiply 50 feet times 600 feet to find the area.
*Saturday, September 15, 2007 at 3:51pm by Ms. Sue*

**Math**

A tank initially contains 50 liters of water. A hose adds water to the tank at a rate of 2 liters per minute. Write a linear equation for the amount of water in the tank, W, liters in terms of t, minutes. Then use your equation to find how much water is in the tank after 20 ...
*Thursday, November 15, 2012 at 6:01pm by Brigette*

**algebra**

write (27a^-3)^(-2/3) in simplest form. solve log(6x+11)=2 please and thanks I am not going to give you the answers. I will be happy to critique your work. In the first, remember that (a^b)^c= a^bc I am not looking for the answers. And I told you: I'm not quite sure what to do...
*Tuesday, May 29, 2007 at 6:45pm by Lillian*

**math**

The dimensions of a box are 20" by 30" by 4". The volume of the box is 2400 inches cubed. If each dimension is doubled the new volume would be the original volume times the: a)scale factor b)scale factor squared c)scale factor cubed
*Thursday, February 11, 2010 at 10:22pm by Gunesh*

**math**

First, find the circumference of the circle with diameter 5 feet. We use this formula: C = pi x d, where pi = 3.14 and d = 5 feet C = 3.14 x 5 feet C = 15.7 feet Now multiply 15.7 feet by $3 and you will find how much it will cost to have the top refinished. Can you finish?
*Monday, February 18, 2008 at 5:27pm by Guido*

**Math**

A hole shaped like a rectangular prism is 3 feet wide, 5 feet long, and 3 feet deep. If the hole is made 2 feet deeper, how much will the volume of the hole increase? V=45+2= 47
*Tuesday, February 4, 2014 at 5:54pm by Jerald*

**Physics**

3 *10^5 gal * 3.785 liters/gallon = 11.4*10^5 liters 11.4*10^5 liters * 1 m^3/10^3 liters = 11.4 * 10^2 m^3 so 1.14 * 10^3 m^3/s flow pressure = rho g h = 10^3 kg/m^3 * 9.8 m/s^2 * 300 m = 2940 *10^3 N/ m^2 = 2.94*10^6 N/m^2 power = pressure * flow rate =2.94*10^6 N/m^2 * 1.14...
*Monday, November 22, 2010 at 3:05am by Damon*

**Algebra**

One canned juice is 20% orange juice: another is 10% orange juice. How many liters of each should be mixed together in order to get 10L that is 13% orange juice.How many liters of the 20%? How many liters of the 10%?
*Saturday, November 13, 2010 at 4:05pm by Melissa*

**8th Grade Math**

These were the answer choices you posted last week. 1 foot 2 feet 3 feet 4 feet Your problem has a major error in it. First this blanket would large enough to cover a large bedroom -- about 10 by 17 feet. Looking at your answer choices: 2 feet squared = 4 square feet 4 * 30 = ...
*Tuesday, October 30, 2012 at 4:41pm by Ms. Sue*

**Science**

1 cm (cubed) = 10 mL 17 cm cubed x 10 mL = 170 mL
*Wednesday, September 23, 2009 at 9:44pm by Jenn*

**4th grade**

The walk goes all the way around the pool. The pool is 20 feet long and has 3 feet of walk on one end and 3 feet of walk on the other end. Thus the length of the walk on each side is 26 feet. The pool is 15 feet wide and has 3 feet of walk on each side. Thus the total length ...
*Monday, April 19, 2010 at 4:16pm by Ms. Sue*

**TO MS SUE SCIENCE HELP**

These are my last 2 questions i need help on.... 1. to determine the density of an irregularly shaped object, a student immersed the object in 21.2 ml of water in a graduated cylinder, causing the level of the water to rise to 27.8 ml. If the object had a mass of 22.4 g, what ...
*Friday, December 14, 2012 at 10:11pm by SPIKE*

**geometry**

Let's start over. Two walls are 12 feet by 7 feet. A = 2(12 * 7) = 168 square feet Two walls are 15 feet by 7 feet. A = 2 (15 * 7) = 210 square feet 210 + 168 = 378 square feet of walls It sounds like just one gallon of paint will cover the four walls.
*Sunday, May 26, 2013 at 8:56pm by Ms. Sue*

**science**

A person owns a 146.8 acre farm which received a total of 1.64 inches of rain. How many liters of rain would that be? An acre is 43560 square feet; there are 2.54 cm in one 1 inch.
*Monday, September 10, 2007 at 12:19am by mustafa*

**Geometry**

Right that would produce a pen that was 4 feet wide and 8 feet long. It would contain 32 square feet. However a square pen that was 6 feet on each side would have an area of 36 square feet.
*Monday, February 15, 2010 at 6:16pm by Ms. Sue*

**Math**

Julie is digging a square area in her backyard for a vegetable garden. If the area is 52 square feet, what is the approximate length of one side of her garden? 6 square feet 7 square feet 8 square feet 9 square feet 7 square feet is my answer, what's yours?
*Monday, October 22, 2012 at 11:13pm by Math*

**math**

Ordinary large bottles of soft drinks are 2 liters. Your question doesn't make any sense because 75 liters would more than fill a standard washing machine.
*Thursday, February 18, 2010 at 9:41pm by Ms. Sue*

**math**

A school is soundproofing a band room with insulating tiles. The room is rectangular and is 30 feet long, 40 feet wide, and 12 feet high. All four walls, the floor and the ceiling will be covered, but a window that is 10 feet long by 4 feet high will not be covered. How many ...
*Sunday, April 12, 2009 at 3:40am by Anonymous*

**math**

Cutting through the fog of this absurdly worded question .... Front of store : 98 yds = 294 feet Side of store : = (1/3)(294) feet = 98 feet perimeter = 2(294+98) feet or 784 feet
*Tuesday, September 4, 2012 at 9:18pm by Reiny*

**Algebra Unit Analysis**

I am doing Unit Analysis and I can not fugure out how to set the promble up on these 3. I just need to know how to set it up I can figure out the answer. 1.How many cubic meters are there in a cubic mile? (1 mi = 1609.344 m.) 2.My 1967 Encyclopædia Britannica says that Lake ...
*Saturday, April 30, 2011 at 11:07pm by Shawn L*

**Math Help please**

area = length x width = 18.25 x 12.5 = 228.125 square feet or 228 square feet in whole numbers 10% of 228 square feet is 22.8 square feet so the total is 228 + 23 = 251 square feet.
*Thursday, May 22, 2008 at 10:25pm by Reiny*

**math**

A 13-foot ladder is placed against a wall. If the ladder cannot be placed at a slope less than 2.4, what is the minimum height of the wall? A.5 feet B.12 feet C.20 feet D.13 feet E.8 feet
*Monday, August 22, 2011 at 6:27pm by Anonymous*

**Math**

Mandy's kitchen measures eight feet by seven feet. If she is making a scale drawing of one inch = two feet, how many inches will she use for eight feet? How many inches will Mandy use for seven feet?
*Tuesday, April 10, 2012 at 12:57pm by please help me!!*

**chemistry**

Convert the grams to moles by using the molar mass then convert ml to liters M= mol/liters
*Wednesday, October 12, 2011 at 5:26pm by Dee*

**Aig math (ms.sue)**

A bucket can hold 6 liters of water.If it is 3/4 full,how many liters of water does it contain?
*Tuesday, March 13, 2012 at 8:09pm by lidia*

**Math Multiplying Fractions**

50*25 * 3 = 3750 m^3 3750 m^3 (1000 liters/m^3) = 3,750,000 liters
*Tuesday, February 4, 2014 at 6:20pm by Damon*

**math**

how many liters of water must be added to 30 liters of a 20% alcohol solution to dilute it to a 15% solution?
*Tuesday, April 6, 2010 at 1:16am by Dawn*

**math**

how many liters of water must be added to 30 liters of a 20% alcohol solution to dilute it to a 15% solution?
*Tuesday, April 6, 2010 at 2:11pm by Dawn*

**math**

how many liters of water must be added to 30 liters of a 20% alcohol solution to dilute it to a 15% solution?
*Tuesday, April 6, 2010 at 4:00pm by Anonymous*

**Math**

How many liters of water should be added to 20 liters of 40% solution of acid to obtain 30% solution?
*Monday, June 27, 2011 at 10:07am by Daniel*

**Chem**

A cylinder in your car holds 0.45 liters maximum at 760 Torr. When the cylinder is closed to 0.1 liters what is the pressure?
*Thursday, October 18, 2012 at 9:51pm by Anonymous*

**chemistry**

If you add 2 liters of .45% NaCl to 36 liters of blood that has a pH balance of 7.44, what will the new pH be?
*Sunday, December 9, 2012 at 10:57pm by vetters*

**chemistry**

If you add 2 liters of .45% NaCl to 36 liters of blood that has a pH balance of 7.44, what will the new pH be?
*Sunday, December 9, 2012 at 11:06pm by vetters*

**CHEMISTRY HELP PLEASE**

How many moles is 114g NaN3? Calculate that. then,you get 3/2 of those moles of N2. how many liters is that (22.4 liters/mole)
*Friday, December 14, 2012 at 6:00am by bobpursley*

**Math**

How many liters of coke are there in 100 cans if each can contain .385 liters of coke? Round your answer to the nearest liter.
*Monday, March 18, 2013 at 5:04pm by Nomad*

**Chemistry**

A sample of gas has a volume of 8.1 liters at 1 atmosphere pressure and 203.0 K. What is its volume (liters) at STP?
*Monday, March 25, 2013 at 2:34pm by Linzy*

**10th grade**

The volume of a small sphere is 36 pie cm cubed. The volume of a large sphere is 288 cm cubed and its radius is 6 cm. What is the similarity ratio of the radii of the two spheres? What is the measurement of the small sphere's radius?
*Tuesday, February 23, 2010 at 2:53pm by renee*

**math**

A storage area measures 15.6 feet by 10.2 feet by 8.5 feet. If it is 1/3 full, how many cubic feet of storage space remains (rounded to the nearest cubic foot)?
*Thursday, July 12, 2012 at 11:55am by lamedia*

**Calculus**

A swimming pool is 40 feet long, 20 feet wide, 8 feet deep at the deep end, and 3 feet deep at the shallow end; the bottom is rectangular. If the pool is filled by pumping water into it at the rate of 40 cubic feet per minute, how fast is the water level rising when it is 3 ...
*Friday, March 2, 2012 at 8:15am by Casey*

**Math**

A swimming pool is 40 feet long, 20 feet wide, 8 feet deep at the deep end, and 3 feet deep at the shallow end; the bottom is rectangular. If the pool is filled by pumping water into it at the rate of 40 cubic feet per minute, how fast is the water level rising when it is 3 ...
*Friday, March 2, 2012 at 3:07pm by Greg*

**chemistry**

what is the total numbers of liters of N0(g)produced when 2.0 liters of N2 reacts completely with oxygen? N2(g)+O2-2NO(g)
*Sunday, February 7, 2010 at 3:15pm by violet*

**MATH**

A CAR TRAVELS 432 KM ON 48 LITERS OF PETROL . HOW FAR WOULD IT TRAVEL ON 28 LITERS OF PETROL
*Wednesday, July 6, 2011 at 8:10am by ANKIT*

**CHEM**

How many liters of O2 will react with 100 liters of H2 according to the gas phase reaction: O2 + 2H2 ------2H2O
*Friday, May 3, 2013 at 6:30pm by MICHELLE*

**AP Chem**

How many liters of H2 have the same number of molecules as 1.00 liters of 02? ( At the same temperature and pressure)
*Wednesday, October 16, 2013 at 5:53pm by Josh*

**math**

a diving board is 4 feet above a pool that is 15 feet deep. The total length of a person's dive is 10 feet. How many feet below the surfac of the water did the person dive
*Monday, August 6, 2012 at 7:44pm by joe *

**radical expressions**

3 cubed square root of negative 432 What gets cubed? The 3 or "the square root of negative 432" ? If you mean 3^3 * sqrt (-432), the answer is 561.18 i, where i = sqrt (-1).
*Tuesday, February 27, 2007 at 9:00pm by Anonymous*

**6th grade math**

the rectangulr backyard measures 131 feet by 52 feet. the garden measures 13 feet by 9 feet. what is the area of the backyard that will be grass.
*Monday, March 21, 2011 at 11:56pm by Sally*

**chemistry**

A piston has an external pressure of 9.00 atm. How much work has been done if the cylinder goes from a volume of 0.130 liters to 0.500 liters? can someone explain to me how am i supposed to do this please? Thanks :D
*Friday, November 25, 2011 at 12:03am by Yuli*

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