Friday

February 5, 2016
Number of results: 27,263

**physics**

Nate is 165 cm tall, 40 cm wide, and weighs 710 N. He needs to walk ten blocks (1000 m) against a 50 km/h head-wind. Nate pushes on the ground with the minimum force that allows him to move slowly forward at a constant speed, and against the drag from the wind. How much energy...
*January 6, 2010 by hilary*

**math**

To make shelves for a bookcase, Nate needs 7 pieces of lumber, each 45 inches long. Nate has several 10-foot lengths of lumber in the width and thickness he needs. How many of these 10-foot boards will Nate use?
*October 28, 2007 by Mary*

**math**

Nate's front yard was 50 feet wide. each time he pushed the mower along the length of the yard, he mowed a path 24 inches wide. To mow the entire yard, how many times did nate nedd to push the mower along the lentgh of the yard
*February 7, 2013 by Nakia*

**math **

A plane makes an 900-mile flight in 3 1/3 hours against a strong head wind, but returns in 50 minutes less with the wind. What is the plane's speed without the wind?
*November 21, 2014 by gisela*

**math**

Erica was searching for her sunglasses.she walked 2 blocks north,3 blocks south,4 blocks east, and 3 blocks west.How many blocks did she walk?How far is Erica from where she began her search?
*October 10, 2011 by hasan *

**Math**

Erica was searching for her sunglasses . She walked 2 blocks north, 3 blocks south, 4 blocks east, and 3 blocks west . How many blocks did she walk? How far Erica from where she began her search?
*September 16, 2013 by Jimena*

**math**

using only the number eight,place ten money amounts in the ten blocks of a standard pyramid with 4 blocks on the bottom row
*September 8, 2011 by aishat*

**math**

Zach is walking to his best friend's house, which is 5 1/3 blocks away, so far he has walked 2 5/6 blocks. How many more blocks does he need to walk?
*February 8, 2013 by Jr*

**Physics**

A 2 635-kg sailboat experiences an eastward force of 2 710 N by the ocean tide and a wind force against its sails with magnitude of 5 748 N directed toward the northwest (45° N of W). What is the direction of the resultant acceleration?
*February 4, 2016 by S*

**math**

Beth has 5base ten blocks. She has at least one of each type of block. The value of her blocks is greater than 140. What blocks could she have
*October 23, 2007 by gabriela*

**math**

alana has 5 base ten blocks.She has at least one of each type of block.The value of her blocks is greater than 140.What blocks could she have?
*October 2, 2012 by ronel*

**8th Algebra**

1) An airplane took 2 hours to fly 600 km against a head wind. The return trip with the wind took 1 2/3 hours. Find the speed of the plane in still air.
*March 8, 2009 by Joy*

**math**

manfred mouse fell inside a box of toy blocks. to escape, he needs to build a stairway with the blocks. for manfred to escape, the stairway must be 8 blocks high. he starts with 8 blocks for the bottom step. for the next step, he lays 7 blocks atop the first set of blocks. if ...
*August 24, 2011 by Cortez*

**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*

**Help**

Erik bicycles 32 km/h with no wind. Against the wind he bikes 33 km in the same time it takes to bike 63 km with the wind. What is the speed of the wind?
*October 12, 2008 by Erica*

**Physics/Nautical**

Further to my post yesterday re wave speed. If a fast 25Kn 10m power boat had the choice of making a passage against the wind & waves (head sea) or with the wind & waves following (following sea). Assuming 15Kn wind in open sea conditions & no tide the skipper would choose to ...
*November 24, 2007 by Mike*

**Algebra**

An airplane traveled 1092 miles with a tailwind, turned around and returned 1092 miles against the same wind to its starting point. The trip with the wind took 6hrs and the return flight against the wind took 8hrs. Find the speed of the plane and the wind. dealing w/- subst. ...
*January 14, 2008 by Amber*

**Math 7th**

Ms.Anderson took a walk down her street. She noticed on her walk that her house is 2 blocks south of the post office, the grocery store is 1 block north of her house and her house is the midpoint between the post office and the video store. Which best describes the directions ...
*April 17, 2011 by Anonymous*

**Physics - Tension**

Two blocks are connected by a string and are pulled vertically upward by a force of 165 N applied to the upper block. (here is a rough diagram) ^ (F=165 N) I [block] ( <- 2.00 kg) I [block] ( <- 1.00 kg (a) Find the tension T in the string connecting the blocks. (b) If ...
*February 19, 2013 by Wes*

**Algebra**

bicyclist rides 30 miles against a wind and returns 30 miles with the wind. his average speed for the return trip is 5mph faster. how fast did the cyclist ride against the wind if the total time of the trip was 5 hours
*May 13, 2015 by HEather *

**math**

If a picture is 4 inches tall and 9 in. wide is to be scaled to 2.5 in. tall how wide should the be for the two pictures to be similar?
*January 9, 2013 by kristen*

**English**

1. He died young. 2. He died when he was young. 3. When he was young, he died. (Are they all the same?) 4. a strong wind, a high wind, a heavy wind, 5. a weak wind, a low wind a light wind, a gentle wind 6. a warm wind, a chill wind, a chilly wind, a biting wind, a cool wind, ...
*March 28, 2010 by rfvv*

**algebra**

One of the authors of this text is moderately active, weighs 87kg, is 185cm tall and is 59 yr old. what are his daily caloric needs?
*July 18, 2011 by Mike*

**math**

Mr.Foote placed a cement walk along the side of his house.The walk is 18 inches wide and 32 feet long. What was the cost of the walk at $2.10 a square foot?
*July 6, 2013 by peter*

**RDMS**

a runner goes 12km/h with the wind and 8km/h against the wind what is the speed of the wind?
*January 28, 2016 by Anonymous*

**Geometry word problem**

A rectangular pond is 10m longer than it is wide. A walk 2m wide surrounds the pond. Find the dimensions of the pond if the area of the walk is 216m2
*May 9, 2012 by David*

**Math**

Jason lives 8 blocks from school. He has walked 2 1/4 blocks. How far does he still have to walk? Thanks so much
*November 9, 2015 by Samantha Johnson*

**algebra**

A jet flies with the wind at 1100 km/hr and 750 km/hr against the same wind. Find the rate of the wind and the speed of the plane show the equation for solving
*May 27, 2012 by denice*

**Pre algebra**

Vernon drew an 8in. Wide by 5in.tall picture that will be turned into a 48 ft wide billboard.How tall will the actual billboard be?
*November 19, 2013 by Danielle*

**math**

Victoria has 2 tea sets that are similar in size. the larger teapot is 12in tall and 6in wide. if the smaller teapot is 8in tall, how wide is it
*July 6, 2010 by Tiffany*

**math**

Victoria has two tea sets that are similar in size. The larger teapot is 12in tall and 6in wide. if the smaller teapot is 8in tall, how wide is it?
*July 6, 2010 by Tiffany*

**Math**

nate owes michael 5.00 nate expressed how much he owes as an integer Michael expressed how much nate owes him as an integer what do the two integers have in common
*February 8, 2013 by Josh*

**Math (Pre-calculus)**

An artist is creating a mosaic that cannot be larger than the space allotted which is 4 feet tall and 6 feet wide. The mosaic must be at least 3 feet tall and 5 feet wide. The tiles in the mosaic have words written on them and the artist ants the words to all be horizontal in ...
*August 29, 2015 by ELVIA*

**ALGEBRA 1**

A JET FLIES WITH THE WIND AT 1100km/hr and 750 km/hr against the same wind. Find the rate of the wind and speed of the plane PLEASE INCLUDE THE EQUATION OR SET FOR SOLUTION
*May 29, 2012 by susana*

**Math**

Can't get it in my head the following problem. Carol needs 10 panels each being 11feet tall. At $13.75 a yard. How much will it cost to purchase supplies?
*October 23, 2014 by Anonymous*

**Math**

A rectangular garden of dimension 12m by 9m is enclosed by a uniform concrete walk 1.5m wide. If the walk is to be tiled, how many 30cm- square tile are needed to tile the entire walk?
*August 12, 2013 by Arch*

**Geometry**

Sarah is making a scale drawing of a painting that is 48 in. wide by 120 in tall. her paper is 12 in. wide and 24 in. tall. She decides to use the scale 1 in. = 4in. is this a reasonable scale?
*September 30, 2013 by gabbi*

**Math**

An airplane flying at a speed of about 100 mph was once overtaken and passed by a flock of sandpipers! Suppose that a flock of these birds can fly at 110 miles per hour with a certain wind and at 90 mph against it. If they fly a certain distance with the wind and the same ...
*October 24, 2012 by JJ*

**math**

A certain aircraft can fly 768 miles with the wind in 4 hours and travel the same distance against the wind in 6 hours. what is the speed of the wind?
*June 19, 2010 by Anonymous*

**math**

a jet flies with wind at 1100 km/h and against the same wind at 750 km/h.Find the rate of the wind and the speed of the jet in still air.
*March 1, 2011 by natalia*

**Math**

Wooden blocks are stacked to form a cube 3 block wide, 3 block long, and 3 block high. How many blocks are used? 27 blocks are used
*December 14, 2014 by Jamar*

**Algebra 1**

An airplane travels 6200 km against the wind in 8 hours and 7080 km with the wind in the same amount of time. What is the rate of the plane in still air and what is the rate of the wind?
*December 21, 2012 by joe*

**math**

The average airspeed of a single-engine aircraft is 150 milesper hour. If the aircraft flew the same distance in two hours with the wind as it flew in 3 hours against the wind, what was the effect of the wind on the plane? What are the equations? What is wind speed?
*March 14, 2012 by lea*

**Mathematics**

A lot which is 3 feet times as long as it is wide is enclosed by a walk 10 feet wide. The area of the lot is 1200 square feet more than that of the walk. Find the dimensions of the lot. PLZ help and give a check if possible!
*May 5, 2014 by Sadia*

**Physics**

I know how to do displacement, I just get confused by the directions. I walk 6 blocks east and 5 blocks north-I come up with 7.8 because I squared 6 + squared 5 and took the square root of 61 but do I say the final displacement is 7.8 blocks east of north or 7.8 blocks north ...
*January 5, 2011 by Tina*

**math**

beth walks 2 blocks in 15 minutes . how many blocks would beth walk if she walked at the same rate for an hour?
*March 22, 2012 by Tyshae*

**Math-help please**

1) an architect built a model of a 220ft tall building . The model is 25inches tall and 10inches wide. How wide is the actual building , I know the answer is 88 but how do u get it.
*August 26, 2014 by Rian *

**Algebra 2**

An airplane flies 1050 km with the wind. In the same amount of time, it can fly 750 km against the wind. The speed of the plane in the still air is 200 km/h. Find the speed of the wind.
*April 12, 2012 by Nancy*

**MATHS**

USING ONLY THE NUMBER FOUR, PLACE TEN MONEY AMOUNTS IN THE TEN BLOCKS OF THIS PYRAMID TO TOTAL $10,000
*July 1, 2011 by GURVINDER*

**MATHS**

USING ONLY THE NUMBER FOUR, PLACE TEN MONEY AMOUNTS IN THE TEN BLOCKS OF THIS PYRAMID TO TOTAL $10,000
*July 1, 2011 by GURVINDER*

**math**

I need help showing work. I did it in my head and now missing a huge part of how I got it. 110=2/3*8 my answer is 165 but they ask me to showwork, which I am always getting docked because as I read the question I do it in my head. Ugh! Please help!
*October 21, 2012 by lucy*

**Math**

A plane that can fly 275 mph in still air for 3 hours against a wind and for 2 hours with the same wind. The total distance it covers is 1300 miles. Find the rate of the wind.
*December 2, 2007 by Adam*

**math**

A airplane crosses the Atlantic Ocean (3000 miles) with an airspeed of 600 miles per hour. The cost C (in dollars) per passenger is given by... C(x)= 150 + x/20 + 36,000/x Where x is the ground speed (airspeed plus or minus wind). a. What is the cost per passenger for ...
*October 9, 2015 by v*

**intermediate algebra**

Male caloric needs. The number of calories needed each day by a moderately active man who weighs w kilograms, is h centimeters tall, and is a years old can be estimated by the polynomial 19.18w + 7h - 9.52a + 92.4
*July 16, 2011 by sheba*

**math**

Last month, Nate spent 12% of his paycheck on car repairs and 25% of the remainder on food. He gave $1,320 of the remaining money to his parents and then bought a computer on sale. If the usual price of the computer was $825 and the discount was 20%, how much money did Nate ...
*July 18, 2014 by Sharon Goldberg*

**math**

Last month, Nate spent 12% of his paycheck on car repairs and 25% of the remainder on food. He gave $1,320 of the remaining money to his parents and then bought a computer on sale. If the usual price of the computer was $825 and the discount was 20%, how much money did Nate ...
*July 18, 2014 by Chen Sam*

**math**

christi rides her bicycle 7 blocks south. 3 blocks east, 5 blocks north, and 8 blocks west. how many blocks has she ridden when she crosses her own path
*October 20, 2012 by john*

**algebra II**

An aircraft flew 6 hours with the wind. The return trip took 7 hours against the wind. If the speed of the plane in still air is 276 miles per hour more than the speed of the wind, find the wind speed and the speed of the plane in still air. The wind soeed was ______ mph.
*October 21, 2010 by Anonymous*

**repost math question **

An aircraft flew 6 hours with the wind. The return trip took 7 hours against the wind. If the speed of the plane in still air is 276 miles per hour more than the speed of the wind, find the wind speed and the speed of the plane in still air. The wind soeed was ______ mph.
*October 22, 2010 by Anonymous*

**algebra**

Flying with the wind, a pilot flew 600 mi between two cities in 4 h. The return trip against the wind took 5 h. Find the rate of the plane in calm air and the rate of the wind. Please show work. thanks
*March 29, 2012 by PLEASE NEED HELP*

**science**

an airplane normally flies at 200 km/h, what is the resultant velocity of the plane if it experiences a 50 km/h tail wind, and a 50km/h head wind
*October 11, 2010 by jemimah*

**Math **

A man wants to remove a tall pine tree from his yard. Before he goes to home depot, he needs to know how tall an extension ladder he needs to purchase. He measure the shadow of the tree to be 225 feet long. At the same time he measures the shadow of a 4 foot stick to be 3 feet...
*September 19, 2012 by Sara smith *

**math**

160 blocks , each block is 2 cm wide, 1 cm long & 4 cm high, what will be size of box that will hold all 160 blocks (each side cannot be less than 6 cm)
*April 17, 2013 by Josh*

**math**

A rectangle is 12 cm longer than it is wide. a wooden walk 2 ft wide is placed around the pond. the area covered by the pond and walk is 160 ft^2 greater than the area covered by the pond alone. What are the dimensions of the pond
*August 21, 2015 by twnkal eshaal*

**English**

Can you please let me know if the following exercises are correct? In particular, can you help me formulate the questions more clearly? 1)Write the following dates in letter form. (Example: May 5th 1984 ...) 2) Write down questions for the underlined information. (or to the ...
*November 2, 2010 by Franco*

**Math**

Multiply 6,7, and 8 1/A touchdown in football is worth 6 points. How many points are 9 points worth? Answer,, 6*9=54 2/Dante walks 4 blocks to school and 4 blocks home . How many blocks does he walk in 3 days to and from school? Answer,, 4*4=16
*November 26, 2013 by Nawaf*

**math**

A jet takes the same time to travel 2500km with the wind as it does to travel 1900 km against the wind. If its speed relative to the air is 450km/hr, what is the speed of the wind?
*September 24, 2010 by lee*

**math**

r the thrust of aiplane's engine produces a speed of 350 mph in still air . the plane is aimed in the direction of <6,-3,2> but its velocity with respect to the ground is <320,-140,125> mph .find the wind velocity .explain whether this is a tail wind or head wind .
*February 12, 2015 by djo *

**Math**

A man built a walk of uniform width around a rectangular pool. If the area of the walk is 429 square feet and the dimensions of the pool are 10 feet by 18 feet, how wide is the walk?
*September 22, 2012 by Aaron*

**english**

i am not very good at analyzing/interpreting poems and figuring out their meaning. what are some tips/strategies/methods that i could use to better my poetry understandings? and please help me to interpret this here poem: Starlight Philip Levine My father stands in the warm ...
*January 27, 2008 by todi*

**11**

How do I work this problem? Flying with the wind, an airplane can travel 1080 miles in six hours, but against the wind, it goes 360 miles in half the time. Find the air speed and wind speed
*December 5, 2011 by Judy*

**algebra**

An airplane flying with the wind can cover a certain distance in a = 3 hours. The return trip against the wind takes b = 4.5 hours. How fast is the plane and what is the speed of the wind, if the one-way distance is c = 720 miles?
*February 26, 2012 by Libuse*

**physics**

if someone weighs 500 N, how much pressure does she apply when she stands on her head, if the part of her head that is touching the floor has a radius of 2cm?
*February 6, 2011 by leean*

**Science**

michelle weighs 900 N. How much pressure does she apply when she stands on her head, if the part of her head touching the floor has a radius of 2cm?
*April 1, 2012 by Jessica*

**Geometry**

Stephanie casts a shadow of 1.2m and she is 1.8m tall. A wind turbine casts a shadow of 10m at the same time that Stephanie measured her shadow. Draw a diagram of this situation and then calculate how tall the wind turbine is.
*January 11, 2014 by Karen*

**Algebra**

I just need help setting up the equation - the rest I can do on my own: A man built a walk of uniform width around a rectangular pool. If the area of the walk is 253 square feet and the dimensions of the pool are 9 feet by 3 feet, how wide is the walk?
*January 27, 2016 by Katie*

**algebra**

A Boeing 747 flies 2420 miles with the wind. In the same amount of time, it can fly 2140 miles against the wind. The cruising speed ( in still air) is 570 mph. Find the speed of the wind.
*June 10, 2013 by Anonymous*

**physics**

A delivery truck travels 20 blocks south, 24 blocks west and 25 blocks north. What is its final displacement from the origin? Assume the blocks are equal length. Need magnitude of blocks, and direction(counterclockwise from east is positive)
*September 21, 2010 by jake*

**physics**

A man cycles to his destination with the wind at 8m/s and returns home against the wind at 4m/s what is his average speed
*October 2, 2011 by Anonymous*

**English 4**

When the speaker of “Ode to the West Wind” speaks of the impulse of the wind’s strength, to what is he referring? A. the sound of the wind B. the force driving the wind forward C. the weakening of the wind D. the random nature of the wind’s direction B??
*April 23, 2015 by Ciara*

**Math**

A pond 100 ft in diameter is surrounded by a circular grass walk 2 feet wide. Find the are of the walk. Answer in terms of π. Please help me! TY
*May 6, 2011 by Kelly*

**Physics Please Check over my answers!**

A passenger in the rear seat of a car moving at a steady speed is at rest relative to *the side of the road a pedestrian on the corner ahead the front seat of the car the wheels of the car A person walks 1 mile every day for excercise, leaving her porch at 9:00 a.m. and ...
*January 17, 2012 by Aliana*

**Physics Please Check over my answers!**

A passenger in the rear seat of a car moving at a steady speed is at rest relative to *the side of the road a pedestrian on the corner ahead the front seat of the car the wheels of the car A person walks 1 mile every day for excercise, leaving her porch at 9:00 a.m. and ...
*January 17, 2012 by Aliana*

**Physics**

A pirate captain has asked you to help him engineer a new plank to have prisoners walk overboard from. He needs the plan to fall overboard with the prisoners in order not to leave any evidence behind. He has a uniform beam of length 8m and a mass of 100kg is resting on two ...
*May 2, 2014 by Michelle*

**Maths**

Stephanie casts a shadow of 1.2 m and she is 1.8 m tall. A wind turbine casts a shadow of 10 m at the same time that Stephanie measured her shadow. Draw a diagram of this situation and then calculate how tall the wind turbine is.
*November 12, 2014 by Anonymous*

**Math**

I don't understand this question, could someone solve/walk me through this? One afternoon in Fort Simpson, Northwest Territories, the air temperature was −10ºC and the wind speed was 25 km/h. The air temperature dropped by 5ºC in the evening, but the wind chill did not ...
*February 5, 2014 by Dennis*

**Algebra**

How do you sole the problem below? Kevin flies a plane against a headwind for 5600 miles. The return trip with the wind took 10 hours less time. If the wind speed is 5 mph, how fast does Kevin fly the plane when there is no wind?
*December 14, 2014 by Tom *

**math**

Lydia Rise us building a terraium and needs to buy two sizes of gravel and soil to go in the bottom. The terraiun is 24 in longs, 14 in wide, and 15 in tall. A.The bottom layer is pea gravel and needs to be 2 inches deep. How many cubic inches will she need? B. The second ...
*March 11, 2010 by Hobo*

**Algebra**

Flying against the wind, Lisa made the flight from Reno in 3 h with a steady airspeed of 400km/h. Returning later with a tail wind that had doubled in magnitude, she landed 225 km beyond the starting point in 3 h. What was the original wind speed? How far from Reno did she ...
*February 6, 2011 by Jen*

**Math**

An aircraft flew 3hrs with the wind. The return trip took 4hrs against the wind. If the speed of the plane in still air is 180mph more than the speed of the wind, find the wind speed and the speed of the plane in still air.
*September 27, 2011 by Ingrid*

**Physics**

A delivery truck travels 19 blocks south, 25 blocks east and 24 blocks north. What is its final displacement from the origin? Assume the blocks are equal length. Magnitude ?blocks Direction ?(counterclockwise from east is positive) I got the displacement with no problem (about...
*September 17, 2011 by Anonymous*

**Math**

The blocks of a side walk block are 6ft by 12ft.the blocks for a drive way are 6ft by 12ft.what is the diffrence between the area of the side walk block and the drive way block.what is the perimeter
*April 2, 2012 by Gia*

**Math**

A plane can fly 140 mph in calm air. Flying with the wind, the plane can fly 700 mi in the same amount of time it takes to fly 420 mi against the wind. Whats the rate of the wind?
*March 24, 2010 by Meghan*

**Physics**

The airplane can take off when its airspeed (speed of the air flowing over the wing) is equal to 65 knots. What is the length of runway required for the plane to take off if there is a 22 knots head wind? The runway at the Tallahassee Regional Airport has a length of 8000 ft. ...
*October 3, 2007 by Lindsay*

**Math**

How? Ann is painting a fence that is 8 1/4 times as wide as she is tall. If Ann is 5 1/2 feet tall, how many feet wide is the fence? I so confused???? Any help would be appreciated - Thank You
*January 29, 2014 by Jeremy*

**ALBEBRA**

A MOSAIC MUST BE 3 FEET TALL AND 5 FEET WIDE THE LARGER TILES ARE 6 INCHES TALL AND 12 INCHES WIDE HOW MANY TILES SHOULD FITS IN IT
*August 27, 2015 by ELVIA*

**English**

Could you please revise the following sentences, please? 1) As a matter of fact, two among our science teachers are willing to partake in the project where English would be the lingua franca. 2) Translate the following words into English, then choose two adjectives describing ...
*October 31, 2011 by Henry2*

**physics**

Two blocks with masses m1 = 10.9 kg and m2 = 79.3 kg, shown in the figure, are free to move. The coefficent of static friction between the blocks is 0.66 but the surface beneath m2 is frictionless. What is the minimum force F required to hold m1 against m2?
*November 7, 2011 by lisa*

**physics**

Two blocks with masses m1 = 20.7 kg and m2 = 55.5 kg, shown in the figure, are free to move. The coefficent of static friction between the blocks is 0.74 but the surface beneath m2 is frictionless. What is the minimum force F required to hold m1 against m2?
*February 8, 2012 by Katie*

**physics**

Two blocks with masses m1 = 13.4 kg and m2 = 74.2 kg, shown in the figure, are free to move. The coefficient of static friction between the blocks is 0.55 but the surface beneath m2 is frictionless. What is the minimum force F required to hold m1 against m2?
*October 21, 2014 by DD*