Tuesday

January 27, 2015

January 27, 2015

Number of results: 658

**algebra**

You live under a bridge that goes over a river. the underneath side of the bridge is an arc that can be modeled with the function y=-0.000407x^2+0.658x.Where x and y are in feet. How high is the bridge? How long is the section of bridge above the arc?
*September 5, 2014 by jay*

**algebra**

You live under a bridge that goes over a river. the underneath side of the bridge is an arc that can be modeled with the function y=-0.000407x^2+0.658x.Where x and y are in feet. How high is the bridge? How long is the section of bridge above the arc?
*September 5, 2014 by jayy22*

**Math - trigonometry**

A bridge is 70m long. From the ends of the bridge the angles of depression of a point on a river under the bridge are 41 degrees and 48 degrees. How high is the bridge above the river?
*January 10, 2010 by anonymous*

**Physics**

James Bond is trying to jump from a bridge and land on the first car of a moving train that is going to pass under the bridge. The train moves at 85 km/h and the vertical height between the bridge and the top of the carriage is 15 m. if Bond gets a running start of 4.2 m/s ...
*March 11, 2013 by Eduardo*

**physics**

James Bond is trying to jump from a bridge and land on the first car of a moving train that is going to pass under the bridge. The train moves at 85 km/h and the vertical height between the bridge and the top of the carriage is 15 m. if Bond gets a running start of 4.2 m/s ...
*March 11, 2013 by Eduardo*

**Writing**

How can I end this? ____ The bridge I made a model of is the Sydney Harbor Bridge. The bridge is located at Sydney, Australia. The Sydney Harbor Bridge is the main way to cross the Sydney Harbor carrying rail, vehicular, and pedestrian traffic between Sydney Central District ...
*January 13, 2008 by Bob*

**Physics**

A stone is thrown upward from a bridge at a speed of 10 m/s. It narrowly misses the bridge on the way back down, and hits the water at 30m/s. what is the approximate height of the bridge?
*July 8, 2014 by Anonymous*

**science**

Suppose that the 1.3 km span of the golden gate bridge had no expansion joints. Calculate how much longer the bridge would be if the temperature of the bridge increases by 35 degrees celsious
*March 1, 2013 by Joey*

**Math**

The underside of a bridge has a shape of a parabolic arch. It has a maximum height of 30m and a width of 50m. Can a sailboat with a mast of 28m above the water pass under the bridge 8m from the middle of the bridge?
*May 26, 2014 by Lorrie*

**algebra**

You live near a bridge that goes over a river. The underside of the bridge is an arch that can be modeled with the function y=-0.000475x^2+0.851x, where x and y are in feet. How high above the river is the bridge(the top of the arch)? How long is the section of bridge above ...
*October 20, 2012 by LEE*

**algebra**

You live near a bridge that goes over a river. The underside of the bridge is an arch that can be modeled with the function y=-0.000475x^2+0.851x, where x and y are in feet. How high above the river is the bridge(the top of the arch)? How long is the section of bridge above ...
*December 11, 2013 by bowershe*

**MATH**

FOUR CYCLISTS A,B,C&D WANTS TO CROSS A BRIDGE BUT DUE TO BAD CONDITION OF BRIDGE ONLY TWO AT A TIME CAN CROSS IT. IF A TAKES 1 MINUTES, B TAKES 2 MINUTES,C TAKES FIVE MINUTES & D TAKES 10 MINUTES TO CROSS THE BRIDGE, HOW THEY ALL CAN CROSS THE BRIDGE IN 17 MINUTES. IF ONE LAMP...
*June 9, 2008 by TINA*

**math help**

A 125-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 25 ft longer that the height that it reaches on the side of the bridge. Find the horizontal and vertical distances ...
*March 22, 2011 by jackster*

**aglbera**

A 125-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 25 ft longer that the height that it reaches on the side of the bridge. Find the horizontal and vertical distances ...
*April 30, 2011 by kozy*

**algebra**

A 125-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 25 ft longer that the height that it reaches on the side of the bridge. Find the horizontal and vertical distances ...
*April 30, 2011 by kozy*

**algebra**

A 125-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 25 ft longer than the height that it reaches on the side of the bridge. Find the horizontal and vertical distances ...
*June 19, 2011 by Elisa*

**algebra**

A 125-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 25 ft longer than the height that it reaches on the side of the bridge. Find the horizontal and vertical distances ...
*June 20, 2011 by Taina*

**physics**

A hiker who weighs 889 N, is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform, weighs 3690 N, and rests on two concrete supports at each end. He stops one-fifth of the way along the bridge. What is the magnitude of the force that a ...
*November 15, 2010 by Bella*

**algebra**

A 10-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 2 ft longer that the height that it reaches on the side of the bridge. Find the horizontal and vertical distances spanned...
*May 1, 2011 by carol*

**algebra**

A 20-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 4 ft longer than the height that reaches on the side of the bridge. Find the Horizontal and vertical distances spanned by...
*July 26, 2011 by sheba*

**math**

The angle of elevation from a buoy to the top of a bridge is 19 degrees. The bridge is 150 feet high. How far from the foot of the bridge's pillar is the buoy?
*March 7, 2009 by adam*

**trigonometry**

A surveyor made two sections of the railroad bridge, both at 210 meters in length. Suppose that the maximum of elevation of each section is 75deg. When the bridge is closed, the water level is normally 13 meters below the bridge. a. When the bridge is fully opened, what is the...
*August 14, 2010 by Winsel*

**trig**

The high level bridge, a railway bridge that crosses the Oldman River is over 1km long. From one point on the river, the angle of elevation of the top of the bridge is 62.6 degrees. From a point 20m closer to the bridge, the angle of elevation of the top of the bridge is 72.8 ...
*January 15, 2009 by garry*

**math**

The Fred Hartman Bridge allows Texas State Road 146 to cross the Houston ship channel. The bridge is 0.237 mile long. How many feet long is the bridge?
*April 7, 2011 by kierra*

**physics**

Shyanne (60 kg) has to walk across a single rope bridge to cross a river. When she's at the exact middle point, the rope bridge is deflected at an angle of 15 degrees from the horizontal. What is the tension in the bridge?
*March 10, 2013 by Matt*

**physics**

A hiker, who weighs 1120 N, is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform, weighs 3775 N, and rests on two concrete supports, one at each end. He stops one-fifth of the way along the bridge. What is the magnitude of the force that ...
*December 10, 2012 by Physics*

**Physics **

A hiker, who weighs 990 N, is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform, weighs 3550 N, and rests on two concrete supports, one at each end. He stops one-fifth of the way along the bridge. What is the magnitude of the force that a...
*February 1, 2012 by Rebecca *

**Physics **

A hiker, who weighs 990 N, is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform, weighs 3550 N, and rests on two concrete supports, one at each end. He stops one-fifth of the way along the bridge. What is the magnitude of the force that a...
*February 6, 2012 by Sally *

**math (trig)**

from the top of a bridge over the burlington canal, maria looks down at a sailboat at an angle of depression 15 degrees.the bridge is 18m above the water. calculate the horizontal distance from the bridge to the sailboat
*September 14, 2010 by haley*

**maths magic**

There are A,B,C,D at one end of the bridge.they have to cross within 17 minutes.only 2 can cross the bridge at atime .since it is very dark one has to come back to show the light and its said that A can cross the bridge in 1 min ,B can cross at 3min ,C in 5 min and D in 10 min...
*October 27, 2012 by nanbala*

**economics**

2. A company is considering building a bridge across a river. The bridge would cost $2 million to build and nothing to maintain. The following table shows the company¡¯s anticipated demand over the lifetime of the bridge: Price per crossing ($) 8 7 6 5 4 3 2 1 0 Number of ...
*November 13, 2007 by tianbai*

**econ.**

2. A company is considering building a bridge across a river. The bridge would cost $2 million to build and nothing to maintain. The following table shows the company¡¯s anticipated demand over the lifetime of the bridge: Price per crossing ($) 8 7 6 5 4 3 2 1 0 Number of ...
*June 11, 2011 by fred*

**Science**

describe the diffrence between: a) A beam bridge and a suspension bridge; b)an arch bridge and a cantilever bridge; c)a truss bridge and a cantilever bridge; Thank you for using the Jiskha Homework Help Forum. This has been interesting and I think you will like the following ...
*April 17, 2007 by sam*

**trigo**

A surveyor made the two sections of the railroad bridge, both at 210 meters in length. Suppose that the maximum angle of elevation of each section is 75deg. When the bridge is closed, the water level is normally 13 meters below the bridge. a. When the bridge is fully opened, ...
*August 3, 2010 by trigofunctions*

**Math, Trig**

The high level bridge, a railway bridge that crosses the Oldman River is over 1km long. From one point on the river, the angle of elevation of the top of the bridge is 62.6 degrees. From a point 20m closer to the bridge, the angle of elevation of the top of the bridge is 72.8 ...
*October 1, 2012 by Sonny*

**Physics **

A person drops a small rock from a bridge. If it takes 1.70 seconds for the rock to reach the water below the bridge, how high was the bridge above the water? please explain.
*August 26, 2012 by Cin*

**Geometry (immediate help and explanation)**

A bridge is the shape of an arc of a circle. The bridge is 8 feet tall and 36 feet wide. What is the radius of the circle that contains the bridge? Round your answer to the nearest tenth.
*February 20, 2013 by Isabel*

**physics**

a coin is thrown horizontally with a speed of 12m/s from the top of a bridge . if the coin strikes the sea water below the bridge after 3 find the height of the bridge above sea level
*August 26, 2013 by fash*

**math**

a model of a bridge is 1 meter long and is 2.5% of the actual size of the bridge. How long is the actual bridge? i tired to do 1 x 2.5% but its 2.5 so i dont think that is correct. help please?
*October 6, 2010 by courtney*

**Physics**

On a hot summer day in the state of Washington while kayaking, I saw several swimmers jump from a railroad bridge into the Snohomish River below. The swimmers stepped off the bridge, and I estimated that they hit the water 1.5s later. a) How high was the bridge? b) How fast ...
*October 2, 2011 by Sam*

**Physics**

A hiker who weighs 834N, is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform, weighs 3520N, and rests on two concrete supports at each end. He stops one-fifth of the way along the bridge. What is the magnitude of the force that a ...
*November 12, 2012 by sarah*

**physics**

A suspension bridge supported by a cable 100ft long has a sag of 10ft at its center. If the bridge has a weight of 20,000 lbs and its center of mass is the center of the bridge, what is the tension on the cable?
*January 17, 2011 by bird*

**math - combinations**

Each hand in the game of bridge has 13 cards dealt from a regular deck of 52 cards. a) How many different bridge hands are possible? b) How many different bridge hands have all pour aces in them? c) How many different bridge hands have no aces in them? I figured out part A, ...
*April 13, 2010 by CL*

**Trig**

The state highway commission has decided to build a bridge over a dangerous railroad crossing. The approach ramp has to be constructed so that the bridge is 10 meters above the track. If the maximum desired grade of this ramp is 4 degrees, how far back from the edge of the ...
*October 24, 2009 by Anonymous*

**math**

The main span of a suspension bridge is the roadway between the bridge's towers. The main span of the Walt Whitman Bridge in Philadelphia is 2000 feet long. This is 600 feet longer than two-fifths of the length of the main span of the George Washington Bridge in New York City...
*January 12, 2015 by Kennedy*

**math**

A 75ft diagnol brace on a bridge connects a support of the center of the bridge The horizontal distance that it spans is 15ft longer than the hieght that reaches on the side of the bridge.Find the horizontal and vertical distance spanned by this brace
*February 13, 2011 by Nick *

**math**

A 75ft diagnol brace on a bridge connects a support of the center of the bridge The horizontal distance that it spans is 15ft longer than the hieght that reaches on the side of the bridge.Find the horizontal and vertical distance spanned by this brace
*February 13, 2011 by nicholas*

**math**

A 75ft diagnol brace on a bridge connects a support of the center of the bridge The horizontal distance that it spans is 15ft longer than the hieght that reaches on the side of the bridge.Find the horizontal and vertical distance spanned by this brace
*February 13, 2011 by nicholas*

**math**

A 75ft diagnol brace on a bridge connects a support of the center of the bridge The horizontal distance that it spans is 15ft longer than the hieght that reaches on the side of the bridge.Find the horizontal and vertical distance spanned by this brace
*February 14, 2011 by timothy*

**Math stem question**

The main span of a suspension bridge is the roadway between the bridge's towers. The main span of the Walt Whitman Bridge in Philadelphia is 2000 feet long. This is 600 feet longer than two-fifths of the length of the main span of the George Washington Bridge in New York City...
*January 12, 2015 by Kennedy*

**English**

1. The bridge is made of stone. (What is the active voice form of this passive sentence? #2 or #3?) 2. Stone make the bridge. 3. We make the bridge of stone.
*December 9, 2009 by rfvv*

**calculus**

A bridge worker on the top deck of a double decked bridge needs to lift a 30 kg tool box, with a cable of uniform density 2 kg/meter, from the ground 15 meters below him to the lower deck of the bridge which is 10 meters above the ground. How much work is needed?
*November 2, 2011 by Steve*

**Math**

A bridge over a river is supported by an arch. The function that describes the arch us h(x) = -0.0274x^2 + 1.34033x, where h(x) is the height, in metres, of the arch above the water at any distance, x, in metres, from one end of the bridge. Could a sail boat with an 18m mast ...
*June 5, 2012 by Aria*

**physics**

What is a cross sectional area of a bridge and does it affect the length of a bridge?
*June 27, 2010 by Rebecca*

**physics**

100 kg jeepney is at reast on a bridge 5m from the right end, neglecting the weight of the bridge. find f1 and f2
*October 20, 2014 by awts*

**applied physics**

a 5000lb truck is 20.0ft from one end of a 50.0ft bridge. a 4000lb car is 40.0ft from the same end. how much weight must each end of the bridge support?(neglect the weight of the bridge.)
*April 22, 2013 by donna*

**College Physics**

6. A tall bald student (height 2.1 meters and mass 93.1 kg) decides to try bungee jumping from a bridge. The bridge is 36.7 meters above the river and the "bungee" is 25.3 meters long as measured from the attachment of the bridge to the foot of the jumper. Treat the "bungee" ...
*June 29, 2011 by Jane*

**physics**

A log is floating on swiftly moving water. A stone is dropped from rest from a 84-m-high bridge and lands on the log as it passes under the bridge. If the log moves with a constant speed of 3.6 m/s, what is the horizontal distance between the log and the bridge when the stone ...
*September 8, 2010 by Randy*

**Calculus**

A rock is thrown upward off a bridge. In 2sec. the rock passes you on the way down. In 3 more sec. it hits the water. How high is the bridge above the water and how high did the rock go above the bridge? Can someone help me start his problem!?
*March 19, 2008 by Justyna*

**physics**

A suspension bridge is 66.0 m above the level base of a gorge. A stone is thrown or dropped from the bridge. At the location of the bridge, g has been measured to be 9.83 m/s2. In each of the following, assume that there is no air resistance. (a) If you drop the stone, how ...
*September 21, 2010 by Kacy*

**English**

1. Wine is made from grapes. 2. Grapes are made into wine. (Both are the same, right/) 3. The bridge is made of stone. 4. The bridge is made out of stone. 5. The bridge is made from stone. 6. The bridge is made with stone. (Which ones are grammatical from sentence 3 to ...
*November 1, 2010 by rfvv*

**Physics**

Train A starts at 4 miles South of a bridge and heads North at a constant speed of 30 miles per hour. Train B starts 6 miles North of the bridge. a. What velocity must Train B have so that the two trains cross the bridge at the same time? b. If Train B goes at 35 miles per ...
*February 26, 2013 by Dan*

**calculus**

A person drops a stone from a bridge. How high is the bridge if they hear the splash 4 seconds later. Assume the speed of sound is 1080ft/sec.
*November 13, 2011 by c*

**physics**

The roadway bridge over a canal is in the form of an arc of circle of radius what is the maximum car can cross the bridge with the ground at the highest point
*September 27, 2014 by Abhishek Kumar*

**science**

Suppose that the 1.3 km span of the Golden Gate Bridge had no expansion joints. Calculate how much longer the bride would be if the temperature of the bridge increases by 35°C.
*October 12, 2012 by Anonymous*

**College Physics**

A wooden bridge crossing a canyon consists of a plank with length density λ = 2.25 kg/m suspended at h = 10.89 m below a tree branch by two ropes of length L = 2h and with a maximum rated tension of 2000 N, which are attached to the ends of the plank, as shown in the ...
*November 10, 2013 by Kimmy*

**Physics**

A rock thrown from a bridge hits hte water below at a horizontal distance x directly below the throwing point. The rock travels a smooth parabolic path in time t. a. Show that the virtical distance of the bridge above water is 1/2gt^2. b. What is the height of the bridge if ...
*July 17, 2011 by Allen*

**physics**

A rock thrown horizontally from a bridge hits the water below at a horizontal distance x directly below the throwing point. The rock travels a smooth parabolic path in time t. A.) Show that Therapy vertical distance of the bridge above water is 1/2gr2. B.) What is the height ...
*March 29, 2012 by liz*

**Physics**

A wooden bridge crossing a canyon consists of a plank with length density λ = 2 kg/m suspended at h = 10.0 m below a tree branch by two ropes of length L = 2h and with a maximum rated tension of 2000 N, which are attached to the ends of the plank, as shown in the figure. ...
*September 6, 2014 by Giancarlo*

**math**

The longest steel arch bridge is the new river gorge near fayetteville,west virginia. write an inequality that describes the length in feet ,1, of every other steel arch bridge. the new river gorge bridge is 1700 feet long.
*November 16, 2010 by ali*

**Physics**

A car drives off a 20 m bridge at 35 m/s. Find the distance from the base of the bridge to when the car will land. (2 part question)
*June 2, 2014 by Jamika*

**physics**

A 75.0 kN truck is parked in the middle of a 20.0 m long bridge. How much force must each end of the bridge exert to support the truck?
*April 2, 2013 by name*

**Physics**

Where do I find the answer of: What affects the length of a bridge, ie. cross sectional area, construction material, change in temperature or the length of the bridge?
*June 27, 2010 by Rebecca*

**physics**

A smooth stone is dropped from a bridge strikes the water after 5second.Calculate the height of the bridge above the surface of the water
*February 7, 2012 by Tumi*

**physics**

A smooth stone is dropped from a bridge strikes the water after 5second.Calculate the height of the bridge above the surface of the water
*February 7, 2012 by Tumi*

**Alg. 1**

A bridge in Japan is 7.6 miles long. How long would it take you to cross the bridge if you were walking at 4 mi/h?
*October 1, 2007 by Lorexi*

**Physics**

A student drops a rock off a bridge. The rock has a mass of 5.81 kg. If the bridge is 48.7 m high, how much time does it take it to reach the water below?
*September 25, 2012 by greg*

**trigo**

a bridge is 10 meters above the original ground n assumed to be level. How far from the end of the bridge, an approach starts, if the approach is to have a 10 percent grade?
*July 31, 2010 by trigofunctions*

**trigo**

a bridge is 10 meters above the original ground n assumed to be level. How far from the end of the bridge, an approach starts, if the approach is to have a 10 percent grade?
*August 1, 2010 by trigofunctions*

**Physical Science**

A bridge in Sweden carries the Gota Canal over a highway. What, if anything happens to the load on the bridge when a boat passes across it in the canal?
*September 18, 2011 by Jaskson*

**Physics**

A rock is thrown horizontally from a bridge hits the water below 30 meter away in the horizontal direction. If the rock was in the air 2seconds, how tall is the bridge?
*February 28, 2014 by Anonymous*

**physics**

A rock thrown horizontally from a bridge hits the water below 30 meters away in the horizontal direction. If the rock was in the air for 2 seconds, how tall is the bridge?
*January 15, 2015 by Kareem*

**Physical Science**

Trying to figure this out and can't: The elevation of a streambed is surveyed near a bridge to be 2,367m. At another bridge 12.2km downstream the elevation is 2,232m. What is the gradient of this stream?
*April 21, 2012 by mel*

**Physics**

A violin has an open string length (bridge to nut) of L=32.7 cm. At what distance x from the bridge does a violinist have to place his finger on the fingerboard to play a C (523.3 Hz) on the A string (fundamental frequency 440 Hz)?
*December 8, 2010 by Nadya*

**physics**

1.A stone fired straight upwards from the top a 50m high bridge fall into water below it 12seconds later.what was its initial velocity? how high above the bridge did it go?
*February 21, 2011 by Hope katanga*

**Physics**

Jada throws a rock horizontally from a bridge 32 m above the water, which hits the water approximately 25 m from a point immediantly below the bridge. Show that Jade's tossing speed was about 10 m/s.
*September 25, 2012 by Anonymous*

**data management g12**

a bridge hand consists of 13 cards. how many bridge hands include 5 cards of one suit, 6 of a second, and 2 cards of a third?
*October 31, 2010 by chrissy*

**phyiscs**

A bolt is dropped from a bridge under construction, falling 81 m to the valley below the bridge. (a) How much time does it take to pass through the last 28 % of its fall? What is its speed (b) when it begins that last 28 % of its fall and (c) just before it reaches the ground?
*September 12, 2013 by kristy*

**physics**

A 200m long train crosses a 400m long bridge with a speed of 36km/hr . Calculate the time taken by train to cross the bridge?
*July 5, 2012 by Maihul*

**physics**

a train 100m long is to cross a river bridge of length 800m. what time it take to cross the bridge ?velocity of train is 36km/h.
*June 7, 2014 by akanksha*

**calculus**

a bridge is 10 m. above a canal. A motorboat going 3 m/sec passes under the center of the bridge at the same instant that a woman walking 2 m/sec reaches that point. How rapidly are they separating 3 sec. later?
*December 6, 2012 by Anonymous*

**hw**

a train 100m long is to cross a river bridge of length 800m .what time will it take to cross the bridge ? given that the train moves with a constant velocity of 36 km/h
*May 5, 2013 by Anonymous*

**physics**

an object is observed to fall from a bridge, striking the water below 3.03s ...with what velocitydid it strike the water?what was the average velocity during the fall?how high is the bridge?
*March 21, 2011 by nano*

**math**

a parabolic bridge over a road is 4 meter tall 4 meter wide and 5 meter long determain the maximum height of a 2 meter truck can drive under the bridge
*February 5, 2014 by mariam*

**PHYSICS**

A while crossing a bridge that is 3.6 km long, a truck weighing 9000 N is stalls 0.6 km from the left side of the bridge Calculate the torque about the left support due to the truck
*March 2, 2011 by anonymous*

**physics**

In Mostar, Bosnia, the ultimate test of a young man's courage once was to jump off a 400 year old bridge into the River Neretva, 23 m below the bridge. (a) How long did the jump last? (b) How fast was the diver traveling upon impact with the river? (c)if the speed of sound in ...
*September 12, 2007 by Anonymous*

**physics**

In Mostar, Bosnia, the ultimate test of a young man's courage once was to jump off a 400 year old bridge into the River Neretva, 23 m below the bridge. (a) How long did the jump last? (b) How fast was the diver traveling upon impact with the river? (c)if the speed of sound in ...
*September 12, 2007 by Anonymous*

**trig**

53. A 60-foot drawbridge is 24 feet above water level when closed. When opened the bridge makes an angle of 33 degrees with the horizontal. a. How high is the tip P of the open bridge above the water? b. When the bridge is open, what is distance from P to Q? 53. A 60-foot ...
*February 17, 2012 by Anonymous*

**physics**

A 200m long train crosses a 400m long bridge with a speed of 36km/hr . Calculate the time taken by train to cross the bridge? plz give me the answer with explaination
*July 6, 2012 by Maihul*

**math **

ED is making a scale drawing of a bridge on a shrrt of paper. The actual bridge is 200 feet long . To get the dimensions for the drawing, is ED multiplying by a number greater than 1 or a number less than 1 ? Explain
*July 26, 2013 by sam*

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