Wednesday

October 7, 2015
Number of results: 17,980

**math**

Im doing my homework and it provides barely any info. here is the question. Mr Harrison has a very large backyard. He contacted the Clover Pool Company to have a pool installed in the shape of a rectangle. The Clover Pool Company would build a pool that has a perimeter of 72 ...
*January 3, 2009 by Mark*

**Physics**

A swimming pool filled with water to its edge, the depth of the water is 2m and an electric lamp is placed at a distance equals 8m from the edge of the pool over a column its height 6m. Calculate the length of non-apparent part from the pool bottom with the light does not ...
*November 2, 2012 by Anab*

**math**

The surface area of the top surface of the water in a circular swimming pool is about 206 square feet. Estimate the radius of the pool, to the nearest foot. A. about 14 feet B. about 8 feet C. about 11 feet D. about 10 feet any help?
*October 8, 2014 by LovelyCaity *

**Algebra word problem**

A family is building a rectangular patio in their backyard. The rectangular yard has dimensions of (8x+2) by (6x + 3) and they are planning the patio to be (x + 5) by (3x + 1). What is the area of the remaining yard after the patio has been built?
*March 7, 2014 by Sandra*

**English**

Can you help me correct this phrases 1) Yesterday something really funny and unusual happened to me at the swimming pool 2) I was swimming when I saw a guy that was climbing the diving board's stairs (?). It was very convinced (?) and he jumped the last two steps. 3) He ...
*January 22, 2010 by Franco*

**math**

a swimming pool is 60m long and 25m wide. It is filled with water to a depth of 7m. Find the volume of water in the pool.
*May 31, 2014 by comfort*

**Natrual science**

A boat loaded with scrap iron floats in a swimming pool. When the iron is thrown overboard, the pool level will?_____________________.
*February 13, 2011 by twin 1028*

**algebra**

Pump A can fill a swimming pool in 6 hours and pump B can fill the same pool in 4 hours. The two pumps began working together to fill an empty pool, but after 40 minutes pump B broke down, and pump A had to complete the job alone. The pool was scheduled to open 4 hours after ...
*January 19, 2012 by Saige*

**Math**

Your search for Determine the number of square meters of vinyl needed to line the inside of a right rectangle swimming pool. The pool is 7m long, 4m wide, and has a uniform depth of 2.5m returned no results.
*November 28, 2011 by Silly*

**calculus**

As viewed from above, a swimming pool has the shape of the ellipse given by (x^2/3600)+(y^2/1600)= 1 The cross sections perpendicular to the ground and parallel to the y-axis are squares. Find the total volume of the pool.
*January 30, 2013 by tyson*

**Math**

A swimming pool is 16 meters wide and 25 meters long. At $50 per square meter. how much will a child-proof covering for the pool cost?
*October 24, 2011 by Ivy*

**Math**

16.Eliot spent 24 minutes solving 8 math problems.At that rate, how many math problems can he solve in 54 minutes? a.12 B.16 C.18 D.24 A? 17.Ronald got 92% of the problems correct on a test.Which number could also represent 92%? A.9.2 B.0.092 C.9/2 D.46/50 D 18.Lakeshmi made a...
*March 23, 2013 by Jerald*

**algebra**

A garden hose can fill a swimming pool in 7 days, and a larger hose can fill the pool in 4 days. How long will it take to fill the pool if both hoses are used?
*September 9, 2014 by Paige *

**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?
*April 30, 2014 by Rhett cowley*

**ap calc**

A pool, that is 12 feet wide and 18 feet long, is to have a sidewalk of uniform length constructed around its perimeter. a. write the equation for the area A, of the pool with the sidewalk b. determine the domain of the area of the pool with the sidewalk c. what would the ...
*October 10, 2009 by MUFFY*

**Math**

A swimming pool is to be constructed with a condition that its length must be twice its width. If the width of the pool is 2x+2 and its volume is 216 meter squared when its 2 meters deep. What is its dimensions?
*July 12, 2014 by Jonel*

**Physics **

At the local swimming pool, the diving board is elevated h = 7.5 m above the pool surface and overhangs the pool edge by L = 2 m. A diver runs horizontally along the diving board with a speed of v0 = 3.4 m/s and then falls into the pool. Neglect air resistance. Use a Cartesian...
*September 11, 2014 by Lauren HELP *

**Math-HElP PLEASE??**

On a certain hot summer's day, 300 people used the public swimming pool. The daily prices are $1.75 for children and $2.25 for adults. The recipients for admissions totaled $613.50. How many children and how many adults swam at the public pool that day? There were ___ children...
*September 21, 2014 by Sam*

**English**

Can you please tell me if all the sentences are grammatically correct? 1) Yesterday something really funny and unusual happened to me at the swimming pool 2) I was swimming when I saw a guy that was climbing the diving board's stairs (?). It was very convincing and he jumped ...
*January 22, 2010 by Franco*

**c**

A hose can fill a swimming pool in 4 hours. Another hose needs 9 more hours to fill the pool than the two hoses combined. How long would it take the second hose to fill the pool?
*September 16, 2014 by Anonymous*

**Physics**

The atmospheric pressure above a swimming pool changes from 755 to 765mm of mercury.The bottom of the speed is a 12m x 24m rectangle.By how much does the force on the bottom of the pool increase?
*March 3, 2012 by Scibe*

**Math**

Martin wants to make a scatter plot comparing the temperature outside with the number of people at the city swimming pool. Which of the following trends would most likely represent the data? A/There is no relationship between the temperature and the number of people at the ...
*June 26, 2013 by Sidney*

**math**

The length of a rectangular swimming pool is 15 feet longer than the width. If the perimeter is 82 feet, then what are the length and the width?
*November 30, 2008 by heidi*

**math**

Three water pipes are used to fill a swimming pool. The 1st pipe alone takes 8 hours to fill the pool, the 2nd pipe alone takes 12 hours to fill the pool, and the 3rd pipe takes 24 hours to fill the pool. If all 3 pipes are opened at the same time, how long will it take all 3 ...
*May 26, 2011 by bob*

**math**

A contactor is making preparations to re-tile the border around a swimming pool. The pool measures 60 feet by 30 feet. The border extends 1 foot from each side of the edge of the pool. The contractor is going to use that are 0.25 feet squared. A case of tiles contains 50 tiles...
*February 29, 2012 by Kelsey*

**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. How much surface area is covered by the proposed pool deck?
*June 14, 2012 by Leo*

**Math**

A rectangular livestock pen with THREE SIDES of fencing is to be built against the barn. The fencing is 1050ft long. Find the dimensions of the maximum area that can be enclosed. What is the maximum area?
*April 23, 2013 by Tom*

**Calculus - Optimization **

A fence is to be built to enclose a rectangular area of 800 square feet. The fence along 3 sides is to be made of material $4 per foot. The material for the fourth side costs $12 per foot. Find the dimensions of the rectangle that will allow for the most economical fence to be...
*November 17, 2013 by Jess*

**math**

You are installing a new deck around your pool. The pool is rectangular with the dimensions 8m by 4m. The deck will surround the pool and will have a width by 2m. How much security fencing is required around the deck.
*January 13, 2015 by tali*

**algebra 2**

A swimming pool in the shape of an ellipse is modeled by x^2/324+y^2/196=1, where x and y are measured in feet. Find the shortest distance (in feet) across the center of the pool? i think its 28 feet....
*April 27, 2012 by sam*

**Math**

This is the layout of the McDougal's backyard.The scale is 1 centimeters to 5 centimeters.The actual area of the pool is 375 square meters.The length of the pool is 25 meters. How do I find the area of the pool on the layout?
*October 26, 2009 by Elizabeth*

**Science PHYSICS**

Hi there, would someone be able to tell me if this is right or almost right or really not right?! The scenario being explaining the transfers and conversions of energy of a diver. from walking up the steps to standing at the top of platform to jumping into pool and to start ...
*April 27, 2010 by Alice*

**Math**

I need some help with this problem please!! your parents are installing a rectangular in-ground pool with the dimensions 24 feet by 10 feet. They decide to place a walkway around the pool 3 feet wide. What is the area of the proposed walkway? Answers: a.) 240 square feet b.) ...
*April 23, 2012 by Taylor Leigh*

**Chemistry**

A home swimming pool contains 145 m3 of water. At the beginning of the swimming season, the water must be heated from 20 to 32°C. How many joules of heat energy must be supplied?
*October 23, 2014 by Kales*

**Chemistry**

A home swimming pool contains 145 m3 of water. At the beginning of the swimming season, the water must be heated from 20 to 32°C. How many joules of heat energy must be supplied?
*October 23, 2014 by Kales*

**english**

1. Rewrite sentences using the Passive They’re going to open the sports complex next week. The sports complex... The USA manufacture a lot of sports equipment A lot of sports equipment... They’re building some tennis courts in the park. Some tennis courts... Johnson wrote a ...
*March 29, 2009 by Joan*

**Math**

I cant figure out this problem. A pool is rectangular in shape, with a half-circle at one end. The length is 80 feet; the width is 30 feet; depth is 4ft the half-circle is appended to one of the thirty-foot sides, so that end is curved. Find the surface area of the pool.
*September 25, 2007 by Amy*

**Algebra**

HELP!!! Super confused. Here's the problem. Today while Don was swimming, he started wondering how many lengths he would have to swim in order to swim different distances. At one end of the pool, he stopped, gasping for breath, and asked the lifeguard. She told him that 1 ...
*November 9, 2012 by Sam*

**Geometry**

I need to know how to work this problem: A 12-ft-by-15-ft rectangular swimming pool has a 3-ft-wide no-slip surface around it. What is the outer perimeter of the no-slip surface? 78 ft 78 ft2 198 ft 198 ft2
*September 18, 2014 by Sandra*

**PHYSICS**

Harry and Angela look from their balcony to a swimming pool below that is 15 m from the bottom of their building. They estimate that the balcony is 45 m high and wonder how fast they would have to jump horizontally to succeed in reaching the pool. What is the answer? Please ...
*October 12, 2010 by Happy Face-PLZ HELP!!*

**PHYSICS**

Harry and Angela look from their balcony to a swimming pool below that is 15 m from the bottom of their building. They estimate that the balcony is 45 m high and wonder how fast they would have to jump horizontally to succeed in reaching the pool. What is the answer? Please ...
*October 12, 2010 by Happy Face-PLZ HELP!!*

**PHYSICS**

Harry and Angela look from their balcony to a swimming pool below that is 15 m from the bottom of their building. They estimate that the balcony is 45 m high and wonder how fast they would have to jump horizontally to succeed in reaching the pool. What is the answer? Please ...
*October 12, 2010 by PLEASE HELP ASAP!!!!!!!!!!!*

**Physics**

A swimming pool has dimensions 26 m x 32 m and a flat bottom. When the pool is filled to a depth of 3 m with fresh water, what is the total force due to the water on the bottom?
*March 13, 2014 by Paul*

**Geometry **

emily has a square swimming pool that has the side length of 20 feet. She has a walkway that is 6 feet wide. How much fencing will she need to but to enclose the pool and walkway?
*September 7, 2015 by Endia*

**Math**

Ted swimming in the middle lane of a pool he races to his father 3 lanes away( in the end lane) , how many lanes does the pool have?
*January 31, 2013 by Anonymous *

**physic pls help**

Cleo and Clare are looking from their balcony to a swimming pool below that is located 15 m horizontally from the bottom of their building. They estimate the balcony is 45 m high and wonder how fast they would have to jump horizontally to succeed in reaching the pool. What ...
*June 24, 2015 by allexelle*

**chemistry**

A thimbleful of water at 100 deg C has a higher temp than a swimming pool full of water at 20 deg C, but the pool has more thermal energy than the thimble. Explain why this is possbile?
*April 26, 2010 by lala*

**Physics**

Water has a density of 1000kg/m^3. The depth of a swimming pool at the deep end is about 4m. A)What is the volume of a column of water 4m deep and 1m^3 in cross-sectional area? B)What is the mass of this column of water? C)What is the weight of this column of water in newtons...
*April 24, 2012 by Sara*

**Physics**

Spiderman is standing on the edge of a rooftop 100m above a swimming pool. He decides to jump in to cool off, so he springs out at a velocity of 30 m/s at an angle of 35 degrees above the horizontal. The near edge pool is located 127 m from the base of the building. It is a ...
*October 13, 2014 by Jamie*

**math**

Elisa surveyed people in her neighborhood about whether they would like to have a swimming pool in their community park. Of those who responded, 65% were in favor of having a swimming pool. Based on these results, which statement could be true? A. Elisa surveyed 10 people, 6 ...
*April 9, 2015 by Brooke*

**Math**

Pool tables are rectangular, and their length is twice the width. Find the dimensions of a pool table if it occupies 162 ft2 of floor space
*September 28, 2012 by Tiff*

**Math**

A swimming pool is 50 meters long. If I swim 60 lengths of the pool each day for one week (7 days) how many kilometers did I swim? Would the answer be 1050km? 50m * .05km * 60 *7 = 1050km
*January 21, 2009 by Tyler*

**Math**

Freshman math question, super confused! Today while Don was swimming, he started wondering how many lengths he would have to swim in order to swim different distances. At one end of the pool, he stopped, gasping for breath, and asked the lifeguard. She told him that 1 length ...
*November 9, 2012 by Anon*

**Math**

A swimming pool is 75 feet long, 45 feet wide, and 8 feet deep. It is filled to a depth of 5 feet. What is the volume of the pool?
*May 19, 2015 by Edward*

**calculus**

my circular swimming pool has a 29 foot diameter and is 8 feet tall. at the beginning of the summer i need to fill the pool with water. the flow rate from my spigot into the pool is about 0.75 cubic feet per minute. how fast is the water level, h, rising at the moment when the...
*October 16, 2011 by Mindy*

**Math**

Each of three pumps A, B, C can pump water either into, or out of, a swimming pool. Pump A can fill the pool in 6 hours, while pumpp B works twice as fast. Pump C however takes one third more time than pump A to fill the pool. 1. All three pumps together pumping in water will ...
*March 19, 2015 by Yin*

**math**

The team practices in a pool that is 20 meters long. Sam completes a lap in 22.5 seconds. How long will it take Sam to complete a lap in an Olympic-sized competition pool that is 50 meters long if he swims at the same rate in both pools? (A lap consists of swimming from one ...
*January 16, 2014 by Anonymous*

**Physics**

Harry and Hermione look from their balcony to a swimming pool below that is 12.0 m from the bottom of their building. They estimate the balcony is 30.0 m high and wonder how fast they would have to jump horizontally to succeed in reaching the pool. What is your answer? Enter m...
*January 22, 2013 by Robert*

**physics**

Student wants to jump from their 3rd floor apartment window to the swimming pool below. The base of the apartment is 8.00 meters from the pool’s edge. If the window is 20.0 meters high, how fast does the student have to be running horizontally to make sure they make it to the ...
*September 27, 2014 by Iworlock*

**Physics**

A not so brilliant physics students wants to jump from their 3rd floor apartment window to the swimming pool below. The problem is the base of the apartment is 8.00 meters from the pool’s edge. If the window is 20.0 meters high, how fast does the student have to be running ...
*April 12, 2015 by Carla Mae*

**College Geometry**

A circular grassy region with a 12 ft diameter has a 2ft by 3ft reflecting pool in its center. What is the Surface Area of the reflecting pool? What is the Area if the grass?
*September 11, 2011 by Rachael*

**PHYS**

the water in a swimming pool transfers 1.09 x 10^10 J of energy as heat to the cool night air. If the temp of the water, which has a specific heat capacity of 4186 J/kg x °C, decreases by 5.0°C, what is the mass of the water in the pool?
*November 1, 2009 by arriell*

**math**

A pool of water with surface area of 0.6 hectares has a uniform depth of 3 metres.A pipe drains water in the pool at the rate of 200 litres per second.How much hours does it take to empty the pool?
*August 19, 2011 by Charles*

**math**

A rectangular pool measures 20ft by 30ft. It is bordered by a tiled walkway that is 7 ft wide. What is the area of the walkway?
*April 14, 2015 by tajha*

**Physics**

An Olympic swimming pool is roughly 45m long and 33m wide and 5m deep. How long will it take to fill such a pool with a regular garden hose? **estimation question, give an estimate of flow rate of hose.
*September 18, 2013 by Anonymous*

**physics**

when you dive from atop a tall flagpole into a swimming pool below. His potential energy at the top is 14000 J (relative to the surface of the pool).What is his kinetic energy when his potential energy reduces to 1000 J?
*March 3, 2012 by Mrs G*

**math**

i am confused with this question. what do i need to use in order to solve this question? eliza must fence in a pool area net to a concession stand with 25 m of fencing? what was the dimensions which will maximize the pool area?
*September 9, 2007 by dan*

**math**

Mr. Forrester has a swimming pool that measures 3 1/3 yards by 8 yards. If the deck around the pool is 2 2/3 yards wide, what is the outside perimeter of the deck?
*April 14, 2011 by Marie*

**physics **

A 750-N physics student carries a 4.0 meter board, uniform in shape, and 190 newtons in weight to our swimming pool. The student then places the board on the deck and next to the pool in such a way so 1.5 meters of the board extends out over the edge of the pool. How far, in ...
*November 3, 2014 by Anonymous*

**Optimization Calculus**

A three sided fence is to be built next to a straight section of river, which forms the fourth side of a rectangular region. There is 96 ft of fencing available. Find the maximum enclosed area and the dimensions of the corresponding enclosure. I drew a picture of it and I got ...
*May 2, 2015 by Nicole*

**Algebra**

One pipe can fill a swimming pool in 8 hours. Another pipe takes 12 hours. How long will it take to fill the pool if both pipes are used simultaneously?
*May 24, 2010 by TinaG*

**Precalculus**

A swimming pool is 3 feet deep in the shallow end. The bottom of the pool has a steady downward drop of 12 degrees toward the deep end. If the pool is 50 feet long, how deep is the deep end. So I said that first you would subtract three from 50, of course giving you 47, then, ...
*March 2, 2009 by Ms. Suzie*

**Physics**

A 5/8 inch (inside) diameter garden hose is used to fill a round swimming pool 7.3m in diameter.How long will it take to fill the pool to a depth of 1.0m if water issues from the hose at a speed of 0.50m/s ?
*November 5, 2012 by Jokella *

**physics**

An swimmer of mass m is at a swimming pool. She climbs the steps to the diving board 4.0 m above the water. She jumps off the board, which enables her to rise a further 0.7 m before she begins her descent into the pool. At what speed does she enter the water? Due 5 jan 2013
*January 2, 2014 by Alaina*

**fdr**

a rectangular fence is constructed that will enclose 100 ft sq of land. three sides will be built from fencing that costs 10 dollars per foot and the 4th side will be built from fencing that costs 23 dollars per foot. find the dimensions of the rectangular fence that minimizes...
*May 19, 2014 by iqra*

**math**

Mr. Harrison has a very large backyard. He contacted the Clover Pool Company to have a pool installed in the shape of a rectangle. The Clover Pool Company would build a pool that has a perimeter of 72 yards. Mr. Harrison would be allowed to choose the dimensions (length and ...
*December 28, 2009 by nana*

**Physics**

If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 1.5 h, a swimmer makes exactly 83 laps in a swimming pool that is 27 m long. Determine the distance the swimmer traveled, the total displacement of the swimmer, the ...
*September 2, 2011 by Kayla*

**algerbra**

the perimeter rectangular pool is 160 meterss . The length of the pool is 20 meters . what is the length ?
*November 30, 2012 by Anonymous*

**math please help Ms.Sue**

The team practices in a pool that is 25 meters long. Sam completes a lap in 22.5 seconds. How long will it take Sam to complete a lap in an Olympic-sized competition pool that is 50 meters long if he swims at the same rate in both pools? (A lap consists of swimming from one ...
*January 16, 2014 by Anonymous*

**geometry**

A swimming pool is 30 feet wide and 60 feet long. If it is surrounded by square tiles, each of which is 1 foot by 1 foot, how many tiles are there surrounding the pool?
*December 1, 2011 by Anonymous*

**physics**

how does sound travel I a swimming pool
*September 12, 2014 by rainbow*

**Physics**

Harry jumps horizontally from the top of a building that is 20.0 m high. He hopes to reach a swimming pool that is at the bottom of the building, 14 m horizontally from the edge the building. If he is to reach the pool, what must his jumping speed be?
*November 2, 2010 by Mallory*

**Trigonometry**

1. Brothers Bob and Tom buy a tent that has a center pole of 6.25 feet high. If the sides of the tent are supposed to make a 50deg angle with the ground, how wide is the tent? 2. A swimming pool is 30 meters long and 12 meters wide. The bottom of the pool is slanted so that ...
*December 14, 2013 by Marie Ashley*

**MATH**

Hello! I am trying to finish a math assignment. it was a bunch of math questions, and I am having a very difficult time with 5 of them. I have the answers to them though. Could somebody please help me with AT LEAST a few!? thanks!! 1) A square swimming pool with a side ...
*March 20, 2011 by Josh*

**MATH**

Hello! I am trying to finish a math assignment. it was a bunch of math questions, and I am having a very difficult time with 5 of them. I have the answers to them though. Could somebody please help me with AT LEAST a few!? thanks!! 1) A square swimming pool with a side ...
*March 20, 2011 by Josh*

**physics**

If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 2.5 h, a swimmer makes exactly 29 laps in a swimming pool that is 23 m long. Determine the distance the swimmer traveled, the total displacement of the swimmer, the ...
*August 26, 2012 by gin*

**Math**

The number of gallons of water remaining in a swimming pool t minutes after the drains are opened and the pool begins emptying is give given by the function f(x)=40t^2-3000t+40,000gallons. Exactly 2 minutes after the drains are opened, the pool was emptying at an instantaneous...
*February 23, 2013 by Chase*

**math**

The deck of a swimming pool had the same width all the way around. The perimeter of the pool is 50m. The outside perimeter of the deck is 74m. What is the width of the deck?
*May 12, 2014 by annie*

**Diff Calculus**

a swimming pool is 5m wide, 10m long, 1m deep at the shallow end, and 3 m deep at its deepest point. a cross section is shown in the figure. if the pool is being filled at a rate of 0.1 m3/min, how fast is the water level rising when the depth at the deepest point is 1m?
*August 18, 2015 by Gene*

**DIFF CALCULUS**

A swimming pool is 12 meters long, 6 meters wide, 1 meter deep at the shallow end, and 3 meters deep at the deep end. Water is being pumped into the pool at ¼ cubic meter per minute, and there is 1 meter of water at the deep end. a. What percent of the pool is filled? b. At ...
*October 18, 2014 by JR*

**5th grade math**

Kallisto built a rectangular sign that measured 2 3/4 feet in length by 1 1/2 feet in width. To find the area, multiply the length and width. what is the area of the sign in square feet? Write an equation to solve. 2 3/4 1 1/2 +2 3/4 1 1/2 =11/1/2 ------ ----- 4 6/4= 2 2/2=3
*March 5, 2015 by Beverly*

**Math**

There's a question I've been having difficulty solving, and I would really appreciate it if you can explain to me how I can achieve the answer. question:an above ground swimming pool in the shape of a cylinder, with diameter 5m, is filled at a constant rate to a depth of 1m. ...
*July 25, 2015 by Sarah*

**algebra 2**

Minnie and Steve have arectangular swimming pool that is 12 ft. wide and 20 feet long. They are going to build a tile border of uniform width around the pool. They have 160 sq. ft. of tile. How wide should the border be?
*May 22, 2012 by Carolyn*

**Math **

The number of gallons of water remaining in a swimming pool t minutes after the drains are opened and the pool begins emptying is give given by the function f(x)=40t^2-3000t+40,000 gallons. Between 3 and 5 minutes after the drains were opened, the pool emptied at an average ...
*February 23, 2013 by Chase*

**math**

a swimming pool is 60ft long and 35ft wide. a model of the pool is 9in.long.how wide is the model? A)3.25 B)4.25 c)5.25 d)6.25
*January 15, 2010 by makeeda*

**math**

A rectangular room has an area of 120ft squared. Marge drew a scale drawing of the pool using the scale 1.5cm=2ft. What was the area of the scale drawing? a) 213.3cm2 b) 67.5cm2 c)53.3cm2 d)1.5cm2 I don't think any of the choices match the answer (90cm2)?
*April 2, 2013 by pitigoiu*

**Engineering maths**

A rectengular swimming pool 30m long and 22m wide is made.And a deck of the uniform width is made around the pool,and only 480m^2 deck is made,HOW WIDE SHOULD THE DECK BE?
*August 17, 2014 by Makeki*

**MaTh**

Michal has 42 identical cubical blocks, each one with an edge of 1 cm. From all of these blocks, he built a rectangular prism with a base perimeter equal to 18 cm. What is the height of the prism which he built?
*September 24, 2012 by meepolo*

**Physics**

2. A pool has an area A = 50 m2 and depth h = 2.5 m. The pool is filled with water to the maximum height. An electrical pump is used to empty the pool. There are two pipes coming out the pump: one is submerged into water has a radius r1 = 4 cm the other has a radius r2 = 2.5 ...
*April 13, 2012 by Sean*

**Math**

A rectangular plot of land is 4 meters longer than it is wide. It's surrounded by a multicolored walk 1 m wide. The area of the walk is 32 m. What are the dimensions of the pool?
*November 23, 2008 by Ana*