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October 21, 2014

Search: math (distance problem)

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math (distance problem)
The points A, B, C, D, and E are located on a straight line in order. The distance from A to E is 20cm. The distance from A to D is 15cm. The distance from B to E is 10cm. C is halfway between B and D. Find the distance from A to C.: * 2.5 cm 5 cm 10 cm 12.5 cm
September 22, 2007 by anonymous

math
Can someone please help me with this word problem!?! I know the answer which is 784 feet. But I have no clue how to solve it. Can someone please show how to solve this problem? The word problem is: The melt in Your Mouth Chocolate Factory is a rectangular building. The ...
September 4, 2012 by aaron

Geometry
Okay, this is a problem that I've tried over ten times before getting a fresh problem and trying that one too. I've never gotten a correct answer and I can't figure out why it's not right. Here's the problem, "Find the distance between each pair of parallel lines." 21. y=2x+2 ...
September 21, 2006 by Aubry

Math>>>>if anyone could check my answer
this problem is difficutl for me i have an answer but im unsure so if someone could check my answer please. heres my problem: A light year is the distance that a light travels through a vacuum (space without matter) in one year. A light year is about 9.46 x 10^12km. The ...
March 31, 2011 by Angel

math
A geologist at point A measures the distance and angle of elevation to two columns of the Glen Rose formation in Texas. If the distance AS=796 ft and the distance AN=850 ft, compute the difference in the heights of the two columns to the nearest foot. What do I need to do to ...
March 23, 2011 by Anonymous

Math
A geologist at point A measures the distance and angle of elevation to two columns of the Glen Rose formation in Texas. If the distance AS=796 ft and the distance AN=850 ft, compute the difference in the heights of the two columns to the nearest foot. What do I need to do to ...
March 24, 2011 by Anonymous

Math
I am confused with this problem could someone please explain? Taxicab Distances Problem. Imagine that the grid lines on a coordinate grid are streets and that the distance between two points must be measured by the number of "blocks" a taxicab would have to travel horizontally...
September 18, 2009 by B.B.

Math
Can someone explain to me the general procedure used to identify and set up a proportion problem? Repost with a specific problem, so we can use it as an example. I hope this helps a little. Thanks for asking. The following ratios: Map scale - distance between two points 75 ...
June 5, 2007 by Jon

math word problem
a scale on a map is 1.5 in. : 200 mi. the map distance from miami to chicago is 9 in. what is the actual distance between the cities?
April 17, 2012 by marko

Math 11
I need help on this math problem. The width of a certain painting is 5cm less than twice the length. The length of the diagonal distance across the painting is 107cm. Find the length and width. Round your answer to 2 decimal places. Substitute: diagonal distance: 107cm length...
January 11, 2012 by Need Help

Math
Now can you please tell me if I am right for the following problems: The speed of rain is about 1,100 feet per second. If you observe a flash of lighting and then hear the thunder 5 seconds later how far away from you did the lighting strike? Is this less or more than a mile...
August 18, 2005 by giggly child

Physics
Can someone help me get started on this problem? A launcher fires a projectile with a velocity of 6.31m/s. Determine the horizontal distance of the projectile (in the air) at 5 degrees. Recalculate this distance at 10, 15, 20.... (5 degree increments) up to 90 degrees (at ...
December 19, 2010 by George

surveying math
I need help with this problem and I need to show my work. Can anyone help me? A vertical angle of -40 is recorded between A and B. The slope distance, after meteorological corrections, is 806.388 m. What is the horizontal distance between A and B?
October 15, 2010 by Kasey

Math
A boat in calm seas travels 19 km east and 32 km south. Find the distance and direction of the trip, relative to the south. What is the distance? What is the direction? I'm confused about how to solve this problem. Could someone show me the steps?
March 23, 2011 by Lisa

Math
A boat in calm seas travels 19 km east and 32 km south. Find the distance and direction of the trip, relative to the south. What is the distance? What is the direction? I'm confused about how to solve this problem. Could someone show me the steps?
March 23, 2011 by Lisa

physics please help??
I know how to do this problem, but I am having a difficult time figuring out the distance . I thought that from wire 1 to P2 the distance is 45 cm, and the distance from wire 2 to the p2 the distance is 35 cm. However, I believe I am wrong, can someone please explain o me ...
October 27, 2012 by henry

math
The points A, B, C, D, & E are located on a straight line, in order, in accordance with the following conditions: The distance from A to E is 20 cm The distance from A to D is 15 cm The distance from B to E is 10 cm C is halfway between B & D What is the distance from B to C?
December 18, 2012 by bob

physics
Question: 15 of 30: The distance versus time plot for a particular object shows a quadratic relationship. Which column of distance data is possible for this situation? Time (s) A. Distance (m) B. Distance (m) C. Distance (m) D. Distance (m) E. Distance (m) 0 0 2.00 9.00...
May 23, 2013 by ....

Math Surveying
Need help working this problem. Thanks in advance! 1) A 50-m tape is used to measure between two points. The average weight of the tape per meter is 0.320 N. If the measured distance is 48.888 m, with the tape supported at the ends only and with a tension of 100 N, find the ...
September 26, 2010 by Mason

Math
Satelite orbits vary in their distance from the earth. Orbits can be anywhere from 252,800 to 35,200,000 yards. What is the greatest distance between satelite orbits? Round to the nearest ten thousand to estimate. For problem 3, find the exact difference
September 5, 2013 by Mitchell

Math word problem
I have this word problem that I can't figure out. The problem is: A 15 lb weight is positioned 10 in. form a fulcrum. At what distance from the fulcrum must a 12 lb weigt be positioned to keep the scale balanced? The substitute that I had today said that the 12 lb. weight ...
August 27, 2008 by Tiffany

Math 10th grade
What is a "Slope, Midpoint & Distance"? This is the problem: (7,3) and (-1,-4)
March 19, 2009 by Kenny

English
1. He can not solve the math problem. 2. He cannot solve the math problem. 3. He can't solve the math problem. 4. He could not solve the math problem. 5. He couldnot solve the math problem. 6. He couldn't solve the math problem. (Are they all grammatical? What about #5? Is it ...
July 16, 2013 by rfvv

math
create a table showing time and distance from a word problem
August 18, 2010 by sarah

math
I am confused on how to solve this problem, can you help me? It says the distance around the outside of Cedar park is 0.8mile. Joan ran 0.25 of the distance during her lunch break. How far did she run? A. 0.2mile B. 0.25 mile C.1.05 mile D. 2 miles I did 0.80-0.25=0.55 so I ...
September 26, 2014 by E6

Math
I need help on this math problem. The width of a certain painting is 5cm less than twice the length. The length of the diagonal distance across the painting is 107cm. Find the length and width. Round your answer to 2 decimal places. Can you check is my substitute is correct? ...
January 12, 2012 by HelpPlease

math
what distance formula would you use to solve this problem? A boat starts at point A, moves 3 km due north, then 2km due east, then 1 km due south, and 4km due east to point B. Find the distance AB.
March 16, 2012 by trey

physics
A carefully designed experiment can measure the gravitational force between masses of 9 kg. Given that the density of iron is 7860 kg/m3, what is the gravitational force between two 9.00-kg iron spheres that are touching? I can determine the correct answer if the problem had ...
October 30, 2011 by mymi

math
The distance d when a spring is stretched by a hanging object varies directly as the weight w of the object. If the distance is 34 cm when the weight is 3 kg, what is the distance when the weight is 9 kg? 22. Find the variation constant and an equation of variation where y ...
May 15, 2011 by algebra

Math
Can someone please help with this problem? Find the distance between the given points: (-3, -7) and (-4, 15). Thanks so much.
September 17, 2009 by B.B.

physics
how do you find the focal distance when a problem only gives you the object to screen distance of a projecter, and the object and image heights?
March 6, 2008 by Jmax

Math
Hi, I don't remember how to solve this. Please help me remember. "I live 3 miles north and 1 mile west of the mall. Ellen lives 2 miles south and 5 miles east of the mall. What is the shortest distance between our houses?" Thanks in advance, Haley Think about it as a graph ...
February 28, 2007 by Haley

Math 11
I need help on this math problem. The width of a certain painting is 5cm less than twice the length. The length of the diagonal distance across the painting is 107cm. Find the length and width. Round your answer to 2 decimal places. How should I set up for this problem? I was ...
January 12, 2012 by Need Help

Math
A picture must be hung on a wall were the distance from the floor to ceiling is 8 feet. The center of the picture mist be 5 1/4 feet from the floor. Determine the distance from the ceiling to the top of the picture frame How do I do this problem? Thanks!!
January 20, 2013 by Ld

Math Analysis
What is the approximate horizontal distance traveled by a soccer ball that is kicked at an angle of 30 degrees with an initial speed of 60 feet per second? a) 84 ft b) 88 ft c) 93 ft d) 97 ft e) 105 ft ==> I tried solving it by solving for x in the equation cos30 = x/60, x ...
January 10, 2010 by Emily

math
please help me to solve this problem A swimmer going downstream takes 1hour,20minutes to travel a certain distance. It takes the swimmer 4hours to make the return trip against the current. If the river flows at the rate of 1.5mph. Find the rate of the swimmer in still water ...
July 31, 2010 by joy

Math
I am stumped on this problem can someone please explain? Find the distance between the given points (-3, -7) and (-4, 15). Thanks so much.
September 18, 2009 by B.B.

Math,Geometry
What are the equations of the lines through (-5,-3) and passing at distance 2sqrt5 from (5,7) Please I really need your help. I do not know how to do this problem.
January 7, 2013 by Lance

Math,Geometry
What are the equations of the lines through (-5,-3) and passing at distance 2sqrt5 from (5,7) Please I really need your help. I do not know how to do this problem.
January 7, 2013 by Lance

Math
Two phone companies offer discount rates to students. The first company wants $9.95 per month plus $.10 per minute for long distance calls. The second company wants $12.95 per month plus $.08 per minute for long distance calls. Write a linear equation describing the total cost...
September 20, 2014 by Julie

Math Help!!
Two phone companies offer discount rates to students. The first company wants $9.95 per month plus $.10 per minute for long distance calls. The second company wants $12.95 per month plus $.08 per minute for long distance calls. Write a linear equation describing the total cost...
September 21, 2014 by Julie

Math
Please help me with the following problem, I have submitted the answer: 88.2 and was told that it was incorrect. The word problem reads: If you do not consider air resistance, gravity causes a falling object to descend a distance of (9.8)t2 where t is the time in seconds. If a...
January 25, 2012 by Please Please Help

Math
The distance that light travels in 1 year (a light year) is 5.88 x 10^12 miles. If a star is 2.4 x 10^8 light years away, what is the distance to that star in miles? How would you even begin the problem?
October 3, 2009 by Anonymous

Math
Can you please help me with a math problem Suppose the ball was 3.24 feet above ground when it was hit, and that it reached a maximum height of approximately 102.51 feet when it had traveled a ground distance of approximately 214.26 feet. The ball lands after traveling a ...
January 23, 2012 by Armun

math,help
Also, can someone set this problem up into equations so i can solve.thanks A plane took 1 hour longer to travel 560 miles on the first portion of a flight than it took to fly 480 miles on the second portion. If the speed was the same for each portion, what was the flying time ...
April 20, 2007 by jasmine20

Math word problem
You participate. In a 50 mi walk You walk 40% of the distance the first day. And 1/3 of the remaining distance on the second day. Bohr. Many more miles do you have to walk? Explain I got : need 13.33 mi more to walk 20 miles 1/3 = 16.67 mi Total. 36.67 50 -36.67 Difference 13....
February 28, 2012 by Marko

math - word problem. help asap?
in a certain math class, each student has a text book, every 2 students share a book of tables, every 3 students share a problem book, and every 4 students share a mathematics dictionary. If the total number of books is 75.. how many students are in a class? how many students ...
December 3, 2006 by Agnes

Math Help Please
I got this problem today in school, and I don't know how to go about soving it. Can someone show me. Thanks. Here it is. The distance s(t) between an object and its starting point is given by the antiderivative of velocity function v(t). Find the distance between the object ...
May 14, 2008 by Johnathan

physics(IMPORTANT)
Two skaters of mass m1=50 kg and m2=70 kg are standing motionless on a horizontal ice surface. They are initially a distance L= 8.0 meters apart. They hold a massless rope between them. After pulling the rope, the skater of mass m1 has moved a distance l= 2.0 meters away from ...
November 1, 2013 by anonymous

Math 12
A hard rubber ball is dropped from a moving van with a height of 5 metres. The ball rises to 80% of the previous height after each bounce. a) determine the total vertical distance the ball has traveled when it strikes the ground the eighth time. b) estimate the total vertical ...
May 11, 2012 by Steven

Physics(IMPORTANT)
Two skaters of mass m1=50kg and m2=70kg are standing motionless on a horizontal ice surface. They are initially a distance L=7.0 meters apart. They hold a massless rope between them. After pulling the rope, the skater of mass m1 has moved a distance l=2.0 meters away from his...
November 1, 2013 by keitanako

physics
projectile motion with constant horizontal speed ? A stone falls off a cliff with horizontal velocity v m/s. it falls a distance of 5cm vertically and 200m horizontally in t seconds. when it has fallen a vertical distance of 20cm, what is its horizontal distance from the cliff...
April 16, 2012 by raj

Science - Start of Physics
Please help me with the following problem. Given below is the position-time graph representing motions of two runners, Nick and Ian. Use this graph to determine which runner has greater average velocity. I can't put the graph here, so the following should give you guys a ...
February 21, 2014 by Brady

Physical Science
I need some help. I have tried working this problem and can't get it. A scale model of the solar system is being constructed where 40cm of the model represents 0.5 AU of actual distance. What is the model dimension, in meters, for the distance of Jupiter from the sun?
April 8, 2012 by mel

Math
This is a 3rd grade math problem that my son had on homework. Can you explain how to derive the answer for this problem? The problem, as wriitten, is below.... I have 10 thousands, 11 tens, 12 hundreds, and 0 ones. What number am I? Thank you
November 2, 2012 by Math Mom

math
12. What is the distance between P(–4, 3) and Q(6, 1)? Round to the nearest tenth. can someone please explain how to do this problem please
August 29, 2014 by mia

math
12. What is the distance between P(–4, 3) and Q(6, 1)? Round to the nearest tenth. can someone please explain how to do this problem please
August 29, 2014 by mike

math
What strategy did you use in solving this problem? 22. Suppose that you wanted to find the whole numbers represented by each of the letters in the following addition problem: Which problem-solving strategy might be most helpful to you in solving this problem? (You need not ...
January 20, 2010 by kim

Math - Word Problem
Word problems confuse me >_> You are choosing between two long-distance telephone companies. Company A charges $.09 per minute plus $4 monthly fee. Company B charges $.11 per minute with no monthly fee. X = number of minutes you call long distance y = total cost of long ...
October 12, 2011 by Lynn

Math Word Problem
A cross section of a nuclear cooling tower is a hyperbola with equation x^2/90^2-y^2/130^2=1. The tower is 450ft tall and the distance from the top of the tower to the center of the hyperbola is half the distance from the base of the tower to the center of the hyperbola. Find ...
April 29, 2009 by John

Algebra please help!
I had to find the distance between to locations on a graph which I did using the distance formula I got sqrt281 from point a (-6,3) point b (10,9). The problem is each unit is approximately 1/8 of a mile. Now what? Round your answer to the nearest tenth of a mile.
October 1, 2013 by Taylor95

Physics!
need help with this problem A charge of -2.73 uC is fixed in place. From a horizontal distance of 0.0465 m, a particle of mass 9.50 x 10-3 kg and charge -9.56 uC is fired with an initial speed of 97.2 m/s directly toward the fixed charge. What is the distance of closest approach?
September 30, 2012 by Anonymous

physics
need help with this problem A charge of -2.73 uC is fixed in place. From a horizontal distance of 0.0465 m, a particle of mass 9.50 x 10-3 kg and charge -9.56 uC is fired with an initial speed of 97.2 m/s directly toward the fixed charge. What is the distance of closest ...
September 30, 2012 by alex

math
a man walked for some distance at 8km/h, and for an equal distance at 5km/h. the total time he took was 3 1/4 hours. find the distance he walked
November 8, 2011 by Anonymous

math
Use the following situation to answer the next four questions. The formula for these questions came from the police department. They use this formula to determine the speed at which the car was going when the driver applied the brakes, by measuring the distance of the skid ...
March 1, 2012 by krysta

math
Use the following situation to answer the next four questions. The formula for these questions came from the police department. They use this formula to determine the speed at which the car was going when the driver applied the brakes, by measuring the distance of the skid ...
March 3, 2012 by alyssa

MATH
IN A PHYSICS EXPERIMENT,THE DISTANCE OF X AND Y CM HAS A CONNECTION TO EACH OTHER BY 1/X + 1/Y = 1/5.IF THE DISTANCE OF Y IS INCREASING AT THE RATE 16 CMS^(-1),FIND THE RATE OF CHANGE OF THE DISTANCE OF X WHEN Y=9 CM.
May 5, 2013 by SYAZ

math
A map distance of 5 inches represents 200 miles of actual distance Suppose the distance between two cities on the maps 7 inches.What is the actual distance between the two cities?Write the rule you used to find the actual distance.
February 24, 2014 by Shakayla

Math
Did I do this problem correctly? Find the distance between the given points: (-5, 5) and (0, 12). D=sqrt[(12+5)^2+(0+5)^2] D= sqrt[289+25] D=314 D~17.720 Is this correct? Thanks.
September 17, 2009 by B.B.

math
Taxicab Distances Problem. Imagine that the grid lines on a coordinate grid are streets and that the distance between two points must be measured by the number of “blocks” a taxicab would have to travel horizontally and vertically to get from one point to the other. The sum of...
July 7, 2011 by candy

Maths
The points A , B , C, D and E are located on a straight line in that order. The distance from A to E is 20cm. Te distance from A to D is 15cm. The distance from B to E is 10com. C is halfway between B and D. What is the distance from B to C?
June 20, 2011 by Annabella Richards

????Math Question????8th grade adv.math
Algebra! How is the distance formula and the pythagorean theroem similar? The distance formula follows from the pythagorean theorem. You have to apply it twice: If (x1, y1, z1) are the coordinates of a point 1 and (x2, y2, z2) are the coordinates of point 2, then the distance ...
February 7, 2007 by Alex

math
Find the exact value of the shortest distance from the origin to each line. y=x-4 is the equation of the line. When i do the problem I keep on getting 0 but that's not the answer!!! please help me.
October 22, 2008 by Allison

Math
Hi, how would we solve a problem like this? The path of the ball for many golf shots can be modelled by a quadratic function. The path of a golf ball hit at an agle of about 10 degrees to the horizontal can be modelled by the function : h= -0.002d^2+0.4d where h is the height ...
May 25, 2007 by Mark

physics
A sled of mass m is given a kick on a frozen pond. The kick imparts to it an initial speed of 2.00 m/s. The coefficient of kinetic friction between sled and ice is 0.100. Use energy considerations to find the distance the sled moves before it stops. find the initial KE. set ...
March 7, 2007 by Jean

math ,correction
Problem#1 Directions: Find the distance between each pair of points. (-3,0) and (4,0) My answer: d = 7 Problem #2 Directions:Use the Pythagorean theorem to determine the length of each line segment. Where appropriate, round to the nearest hundredth. Points (1,-1)(3,2) My ...
March 24, 2007 by jas20

Algebra II - Word Problem
If a car is traveling downhill at 45 miles per hour on dry pavement, then the braking distance B is B = 45/(0.4+m), where m<0 is the slope of the road. Find the slope of the road if the braking distance is 125 feet.
November 15, 2012 by John

physics
speed of blood flow is 30 cm/s near the heart, but only 20 cm/s at a point 40 cm farther along the arterial pathway. a. how do you find the velocity for that 40 cm distance? b. the time it takes the blood to flow 40 cm? a. The average velocity over the 40 cm distance is 25 cm/...
September 3, 2006 by tim

math
The distance across the front of the store is 98 yards the distance from the front to the back is one thrid of the distance if the owner paint a sign all the way around the outside how many feet long will be
October 9, 2013 by Anonymous

physics
You let out a shout, echo comes back and reaches you in 1.4 seconds. if the speed of sound in air is 343 m/s, what is the distance to the cliff? a. need assitance in setting up problem? Let d be the distance to the cliff, and V be the speed of sound. The sound must travel a ...
September 3, 2006 by tim

Related Rates Problem
A runner sprints around a circular track of radius 150 m at a constant speed of 7 m/s. The runner's friend is standing at a distance 300 m from the center of the track. How fast is the distance between the friends changing when the distance between them is 300 m? (Round to 2 ...
October 1, 2010 by Calculus

Math Vocabulary
What does distance/ time/ rate of speed mean? It's all one word!!!! Please Help!!!!!! I looked in the dictionary, on the internet nothing It might be acceleration, but I'm not sure; distance/time is velocity. If it means rate of change of velocity then it's acceleration. If ...
September 7, 2006 by Amy

Math
I am very sorry but I was wrong with the problem. The math problem is: 9 / (3.6-2.1) Thank you Anonymus for your answer but I want the problem that I wrote above. If you help me again pleaseeeeeeeee. I don't know how to resolve this. Thanks again.
August 25, 2011 by Veronica

Physics Mechanics (unsolved)
An electron of mass 9.1E-31 kg is released from rest at a distance of 7.1 E-10 m from a fixed electron. The force on the movable electron is given by the function F = 2.3E-28/r^2, where r is the distance between the electrons. Find the maximum velocity (in meters/second) of ...
April 13, 2012 by andrew

math
the force of gravity varies inversely as the square of the distance between the centers of the two masses. If an object weighs 500 pounds at a distance of 12,000 miles from the center of the earth, at what distance will the weight be 50 pounds
August 19, 2012 by Mako

julie&shawn, math
The problem was actually 3 1/3 - 1 1/2= 10/3-3/2= 20/6-9/6=11/6, or 1 5/6 How did you get 1 and 5/6 from the problem: 3 and 1/3 minus 1 and 2/3 3 1/3 = 2 4/3 - 1 2/3 _____________________ 1 2/3 1 2/3 is the answer. Did you maybe copy the problem wrong?
December 16, 2006 by Julie & Shawn

Math
Could you help me with this problem? -2 5 Sorry couldn't type the problem correctly. The problem is 5 to the negative 2. I got 0.04 is the answer. Is this correct. Thank you.
December 11, 2007 by Plse Help

Alg I
Three towns A, B, and C lie on a straight road in that order.The distance from B to C is 6 miles more than twice the distance from A to B.The distance from A to C is 2 miles more than four times the distance from A to B.What is the distance from A to B?
December 7, 2010 by Jensen

Physics
An umbrella with a diameter of 1 m turns 22 rev every 44 seconds. If it's 1.5 m from the ground, calculate the time it takes for a drop to reach the ground and the distance away from the umbrella a person should stand so as to not get wet. For this problem I made a = (0, -g) ...
November 9, 2012 by Leslie

trigonometry
The angle of elevation of the top of a tower to point A on the ground is 61 degrees. At point B it is 600 feet farther from the base, in line with the base and the first point and in the same plane, the angle of elevation is 32 degrees. Find the height of the tower. This ...
March 18, 2010 by berriengk

physic's problem
GPE = MASS X GRAVITY X HEIGHT GRAVITY IS ALWAYS 10 M/S 2 (SQUARED) KE = 1/2 X MASS X SPEED 2 (SQUARED) I am uncertain what your question is. As a matter of interest, the value of 10m/s^2 for the acceleration of gravity is in error, in fact, it is never that value, but is less...
July 23, 2005 by robbie jo

Math
This is also another problem that I'm having trouble on. A motorboat can maintain a constant speed of 16 miles per hour relative to the water. The boat makes a trip upstream to a certain point in 20 minutes; the return trip takes 15 minutes. What is the speed of the current? ...
September 16, 2010 by amy

Urgent
Please exlain rate distance and time for me Distance is how far. Time is the clock time it took to move. Rate is the speed you went. distance= rate x time http://mathforum.org/dr.math/faq/faq.distance.html
August 17, 2005 by qtpie

physics
Another question I'm having a hard time grasping; I followed a solution one of the tutors posted involving a similar question, but I have a feeling there is some mistake I am making. The question asks to find out what the distance should be from a source if you want the noise ...
January 21, 2010 by dawn

math
Hello! I would be really grateful if you could help me with this word problem. Here is the problem: In a cartoon, a malfunctioning cannon fires a hungry coyote towards the bottom of a cliff with an initial rate of 100 feet per second. If the cliff is 1250 feet tall, how long ...
March 6, 2013 by Beth

math
If a car is speeding down a road at 40 (mph), how long is the stopping distance compared to the stopping distance if the driver were going at the posted speed limit of 25 ? Express your answer as a multiple of the stopping distance at 25
September 8, 2011 by Em

Please Help!!!!!!
Decide whether the following problem can be solved using precalculus, or whether calculus is required. If the problem can be solved using precalculus, solve it. If the problem seems to require calculus, explain your reasoning and use a graphical or numerical approach to ...
January 9, 2012 by Anonymous

physics - stopping distance
when a driver brings a car to a stop by breaki.g as hard as possible the stopping can be regarded as the sum of reaction distance and breaking distance. tje following data are given, v1 m/s contains 10,20,30. reaction distance are 7.5, 15, 22.5. the breaking distance are 5.0, ...
April 25, 2013 by gladys

Algebra graphs
I had to find the distance between to locations on a graph which I did using the distance formula I got sqrt281 from point a (-6,3) point b (10,9). The problem is each unit is approximately 1/8 of a mile. Now what? Round your answer to the nearest tenth of a mile. My thought ...
October 1, 2013 by Taylor95

physics
here is my problem: a concave mirror forms a real image at 17.0 cm from the mirror surface along the principal axis. if the corresponding object is at a distance of 36.0 cm, what is the mirror's focal length? here's my work: 1/f = 1/v + 1/u where f=focal length=? u= -36 cm (...
March 11, 2009 by physics

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