Sunday

February 14, 2016
Number of results: 11,128

**Physics**

A man exerts an effort of 250 Newtons through a distance of 4 meters to lift a load of 1000 Newtons through a height of 0.75 meters. Calculate the velocity ratio. I'm thinking i divide the 4 meters(displacement of effort)/0.75 meters (displacement of load)
*October 14, 2015 by Cortney*

**Algebra 1 high school **

In deep water, the speed s (in meters per second) of a series of waves and the wavelength L (in meters) of the waves are related by the equation 2(pi)s^2=9.8L. a. Find the speed the the nearest hundredth of a meter per second of a series of waves with the following wavelengths...
*August 27, 2013 by Help now*

**science**

the distance from the earth to the moon is 240000 miles. if the speed of light is 2.998 x 10^8 meters per second, how long does it take for light reflected from the moon to reach our planet?
*October 29, 2012 by Paco*

**math**

nina bought 2 1/2 meters of yellow cloth and 1 1/2 meters red cloth.she used 8/3 meters for a costume dress. how much cloth remained?
*January 7, 2015 by viene*

**calculus**

An athlete is running around a circular track of radius 50 meters at the rate of 5 meters per second. A spectator is 200 meters from the center of the track. How fast is the distance between the two changing when the runner is approaching the spectator and the distance between...
*January 11, 2011 by cynthia*

**Math**

please help I need to write a proportion! A backpacker in the sierras hikes 5.5 miles in 2 hrs. If the hiking rate remains the same how far will the backpacker hike in 7 hrs? 60 miles = 60 minutes 1 hr 120 miles = 2hr 180 =3 hr
*September 1, 2015 by Linda h*

**Math**

A car travels 27 miles in 30 minutes. How is the rate in miles/min. I understand I need to divide 27 by 30 and when I do that I get .90, but then how do I correctly label my answer, .9 miles/min? That doesn't seem like an answer that really makes sense for some reason.
*January 19, 2016 by Anonymous*

**math**

Which is greater, the increase in miles driven between 1998 and 1999 or between 1999 and 2000? What is that increase? Data given: 1998-75,288 miles 1999-117,391 miles 2000-126,304 miles
*September 27, 2014 by Amari*

**math**

A park has the shape of a trapezoid. Two of the sides are 25 meters long. The other two sides are 40 meters and 20 meters long. What is the perimeter of the park my answer is 110 meters
*March 4, 2012 by jack*

**science**

What is the length of an aluminum rod at 65 degrees celcius if its length at 15 degrees celcius is 1.2 meters? My choices are A.0.001386 meters, B.0.00180 meters, C.1.201386 meters, or D. 1.214855 meters. I already sent this question to you about a month ago, but the equation ...
*August 17, 2005 by Mirayah Robinson*

**College Algebra**

A jet flies from Atlanta to Dubuque a distance of 900 miles. After traveling the same amount of time on the return flight,the pilot mentioned they still had 150 miles to go. The airspeed of the plane was 300 miles per hour. How fast was the wind blowing?
*September 25, 2012 by Rachel*

**gEoMeTrY iNsCrIbEd AnGlEs MuLtIpLe ChOiCe QuEsTiOn**

A satellite, B, is 17,000 miles from the horizon of Earth. Earth’s radius is about 4,000 miles. Find the approximate distance the satellite is from the Earth’s surface. {The picture is a circle with point O in the center, point C is on the top center edge of the circle, point ...
*May 11, 2012 by aYaMe ;)*

**Statistics/Math**

U.S. Interstate 64 runs between Portsmouth, VA, at I-264 on the eastern end to St. Louis, MO, at I-270 on the western end. While passing through six states and five more major cities, I-64 intersects nine more interstate highways. The number of miles in each state is as ...
*July 4, 2012 by Jane*

**math**

1.39 1.61 1.6 1.53 1.62 1.61 1.64 1.59 1.62 1.51 1.52 1.6 the mean height of the students is 1.57 meters. what does it imply? a.) there are more students whose heights are below 1.57 meters b.) the average height of the students is 1.57 meters. c.) most of the students have a ...
*March 3, 2015 by chevlios*

**business statistics**

The average length of a flight by regional airlines in the United States has been reported as 299 miles. If a simple random sample of 30 flights by regional airlines were to have ȭ = 413/6 miles and s= 42.8 miles, would this tend to cast doubt on the reported average of ...
*July 30, 2009 by Candy*

**4 Math questions!**

Can you help me with a few math questions please? 1)You are running in a race. It takes you 25 minutes to go 2.7 miles. a.If you continue at this same rate, how long will it take you to go 6 miles? b.What is your rate in miles per hour? 2)If the scale factor of a map is 1/8” ...
*May 20, 2012 by Alyssa Martinez*

**aLgEbrA variable & expression**

i need to define a variable and write an algebraic expression for each phraase. 1) two points few than 3 times the number of points scored yesterday. i wrote: 3p-2 = 2) one metere more than 6 times your height in meters i wrote: 1 + 6h 3) seven pages fewer than half the number...
*October 20, 2011 by marko*

**Math**

A ship leaves England for the Strait of Magellan. It is traveling at a constant speed of eight knots and takes 41 days to reach the Strait of Magellan. The ship reaches the Strait of Magellan at the exact time of day that it left England. How far did the ship travel? Choose ...
*December 9, 2014 by ana*

**Math Algelbra**

Joy has to get from her house to the park,which is 10 miles away.If she walks,she can go 4 miles per hour.If she rides her bike,she can go 10 miles per hour.And, if she rides a car she can travel 40 miles per hour.How long will it take her to get to the park? What equation ...
*January 31, 2016 by Lila*

**Calculus**

You are in a boat "a" miles from the nearest point on the coast. You are to go to a point Q, which is "b" miles down the coast and 1 mile inland. You can row at 2 miles per hour and walk at 4 miles per hour. If a=3, and b=4, toward what point on the coast should you row in ...
*April 4, 2013 by ricardo*

**math**

Mark's house is 90 miles away from New York. You travel 15 miles on city streets, and then 75 miles on the highway. a. your average speed is 25 miles per hour in the city and 60 miles per hour on the highway. Use the formula time=distance/rate. How much time will you spend ...
*May 30, 2013 by Celest*

**Cal.**

A bright light on the ground illuminates a wall 12 meters away. A man walks from the light straight toward the building at a speed of 2.2 m/s. The man is 2 meters tall. When the man is 4 meters from the building, how fast is the length of his shadow on the building decreasing...
*October 28, 2014 by Hep with this question*

**MATH**

HOW MANY MILES CAN MR THOMAS WALKS IN 30 DAYS IF HE WALKS 4 MILES AND 8 MILES EVERYDAY ?''.
*April 13, 2014 by MIT*

**algebra (21)**

A polot flies 630 miles wit a tail wind of 35 miles per hour. Against the wind, he flies only 455 miles in the same amount of time. Find the rate of the plane in still air.
*November 9, 2007 by Anita*

**statistics**

Distance travelled in a week by sales staff employed by nationwide security firm is approximately normally distributed with a mean of miles and standard deviation of 48 miles. Estimate the percentage of staff who in a week travel less than 80 miles
*May 3, 2010 by Anonymous*

**algebra**

Rachel allows herself 1 hour to reach a sale appointment 50 mile s away. After she has driven 30 miles, she realizes that she must increase her speed by 15 miles per hour in order to get there on time. What was her speed for the first 30 miles?
*August 16, 2010 by jim*

**Pre-algebra**

Jack runs 275 miles per day during soccer season. He has already run 25 miles this morning. He plans to run 2.5 miles each day. What is the fewest number of days he will need to reach his goal?
*November 2, 2011 by rosalind*

**math**

During each shift as a bus driver, Haley drives between 80 and 140 miles. She started the month with 4,500 miles driven. What is a reasonable estimate for the number of total miles she has driven the bus, after 20 more shifts?
*November 21, 2011 by victor*

**Algebra 2**

A commercial freight carrier is flying at a constant speed of 400 mi/h and is traveling 4 miles east for every 3 miles north. A private plane is observed to be 210 miles east of the commercial carrier, traveling 12 miles north for every 5 miles west. a. If it is known that the...
*September 28, 2009 by newt*

**math**

The Harveys keep their goat on a 3-meter chain connected to a metal hook on the corner of a shed that is rectangular in shape (5-meters by 4-meters). To the nearest tenth, what area of grass in square meters can the goat reach to eat? (use 3.14 for pi)
*April 3, 2009 by Pranav*

**Probability & Statistics**

Charmaine is looking at the rental car prices for Get You There Rental Car Company. The cost is based on how many miles you plan to drive the rental car. Use the list of rental prices to answer the questions 1- 5. Miles Cost 200 $80 600 $120 1000 $160 1400 $200 1800 $320 1) ...
*April 30, 2013 by Annie*

**Probability & Statistics**

Charmaine is looking at the rental car prices for Get You There Rental Car Company. The cost is based on how many miles you plan to drive the rental car. Use the list of rental prices to answer the questions 1- 5. Miles Cost 200 $80 600 $120 1000 $160 1400 $200 1800 $320 1) ...
*April 30, 2013 by Annie*

**Math**

I have another question-Mr. Burns ran 14 miles last week. He only ran on Monday, Tuesday, and Wednesday. If Mr. Burns ran 3 miles on Tuesday and 5 miles on Wednesday, then how many miles did he run on Monday? Could you explain how to get the answer please.
*September 18, 2008 by Mattie*

**trig**

A satellite is in geostationary orbit 22,500 miles above the earth. IF the radius of the earth is 3,960 miles, how fast is the satellite moving in miles per day? How fast is the satellite moving in miles per hour?
*December 11, 2011 by shawna*

**Math**

The table shows the number of miles driven over time. Time (hours)----------Distance (miles) 4---------------------232 6---------------------348 8---------------------464 10--------------------580 Express the relationship between distance and time in simplified form as a unit ...
*December 16, 2015 by Kaai97*

**AP Calculus BC**

A cylindrical tank is constructed to have a diameter of 5 meters and a height of 20 meters. Find the error in the volume if: (a) the diameter is exact but the height is 20.1 meters (b) the height is exact, but the diameter is 5.1 meters.
*April 14, 2010 by J'vonte*

**STATS**

The top selling Red and Voss tire is rated 70,000 miles means nothing. In fact, the distance the tires can run until they wear out is a normally distributed random variable with a mean of 82,000 miles and a standard deviation of 6,400. a. What is the probability that a tire ...
*September 16, 2011 by SANDRA*

**Algebra 1**

A ball is thrown upward with an initial velocity of 35 meters per second from a cliff that is 80 meters high. The height of the ball is given by the quadratic equation h = -49t^2 + 35t + 140 where h is in meters and t is the time in seconds since the ball was thrown. Find the ...
*March 7, 2013 by Sherry*

**Physics**

What is the momentum of a 1.5 × 103 kilogram van that is moving at a velocity of 32 meters/second? A. 46.9 kilogram meters/second B. 4.7 × 103 kilogram meters/second C. 4.85 × 102 kilogram meters/second D. 4.85 × 104 kilogram meters/second
*March 13, 2013 by fredrick*

**Physics**

a car travels 59.78 miles east in 89.67 minutes, then 89.67 miles north in 59.78 minutes, and then 29.89 miles at 59.78 degrees west of south in 149.45 minutes. whats the magnitude of the car's average velocity in miles per hour??? Please help!!!!!! P.S. please don't round ...
*September 7, 2009 by Autumn*

**science**

About a month ago I asked you a question and it was, A quantity of gas has a volume of 0.20 cubic meter and an absolute temperature of 333 degrees Kelvin. When the temperature of the gas is raised to 533 degrees Kelvin, what is the new volume of the gas? You told me how to ...
*August 17, 2005 by Mirayah Robinson*

**Math**

Can someone please help me? I can't figure out the answer. A motorist takes a trip of 100 miles, traveling at 40 mph for the first 50 miles and 60 mph for the last 50 miles. What is the average speed in mph for the trip?
*October 2, 2007 by Felix Ferrer*

**Physics**

A bus started out going 20 miles per hour on the highway. One hour later it drove 40 miles per hour on the freeway. How long did it take to go 140 miles?
*March 8, 2012 by Anonymous*

**Math**

Jun-Jee either ran 5 or 7 miles each day for 30 consecutive days. His total mileage during this period was 166> How many days did he run 5 miles? How many days did he run 7 miles?
*December 5, 2011 by KC*

**Statstics**

Cities A, B, C and D are equidistant. That is, B is d miles from A, C is d miles from B, and D is d miles from C. Suppose you travel 55 mph from A to B, 40 mph from B to C, and 50 Mph from C to D. What single, constant speed could you have traveled from A to B to C to D that ...
*May 3, 2011 by Robo*

**Math**

You walk at 4 miles per hour for 1/2 hour, and then jog at 6 miles per hour for h hours. The total distance that you cover both walking and jogging is 6 miles. Write an equation that represents this situation.
*January 23, 2013 by lucy*

**math**

4. Jenny swam 50 meters in 25 seconds. Which rate below is equivalent to Jenny's rate? (1 point) 1,200 meters in 8 minutes, 20 seconds 200 meters in 2 minutes 400 meters in 3 minutes, 20 seconds 800 meters in 4 minutes
*March 10, 2013 by Bally*

**physics**

A car travels at a constant speed of 30 mph for 20 miles, at a speed of 40 fps for the next 20 miles, and then travels the final 20 miles at 90 kph. what is the average speed of the entire trip?
*August 23, 2015 by michelle*

**math **

Problem: Lexington, and Elizabethtown, Kentucky are 79 miles apart. If the distance on the map is 2 1/2 inches, find the scale of the map. do i make a ratio for inches to miles? is it 2.5x inches = 79 miles?
*February 9, 2016 by Kevin*

**math**

two airplanes left the same airport traveling in opposite direction. if one airplane averages 400 miles per hour and the other airplane averages 250 miles per hour, in how many hours will the distance between the two planes be 1625 miles? Does it help to point out that if they...
*April 28, 2007 by anonymous*

**math**

Sean's older brother is 16 years old. He runs between 15 and 25 miles each week. The sum of the digits of the total number of miles that he ran last week is eight less than his age. How many miles did Sean run last week?
*April 22, 2013 by Gaby*

**physics**

car with a mass of 1.1 × 103 kilograms hits a stationary truck with a mass of 2.3 × 103 kilograms from the rear end. The initial velocity of the car is +22.0 meters/second. After the collision the velocity of the car is -11.0 meters/second. What is the velocity of the truck ...
*June 19, 2015 by se*

**math**

Write the ratio has a unit rate 8 meters to 10 seconds 1)0.8 meter per second 2)1.125 meters per second 3)2 meters per second 4)80 meters per second
*January 23, 2015 by Abby*

**Math**

Write the ratio as a unit rate. 8 meters in 10 seconds A. 0.8 meter per second B. 1.125 meters per second C. 2 meters per second•• D. 80 meters per second
*January 12, 2016 by Amanda *

**need an answer checked**

The length of a rectangular swimming pool is 2x-1 meters, and the width is x + 2 meters. Write a polynomial that represents the area. Find the area if x is 5 meters. (2(5)-1) (5+2) (10-1) (9* 7) 63 My answer is 63. Do you agree?
*September 17, 2007 by Nik*

**math**

a rectangular field measures 20 meters by y meters is surrounded by grass patch of width 2 meters . What is the area of the grass patch ? Leave your answer in the simplest form in terms of y .
*April 21, 2012 by melissa*

**math**

A square pyramid has a slant height of 13 meters and a height of 12 meters. What is the surface area if the square base has sides of length 10 meters? 360 m2 320 m2 260 m2 120 m2
*March 16, 2013 by stephanie*

**Calculus**

How fast must you release the string of your kite if the kite that you are flying is 40 meters high, 50 meters away from you and moving horizontally away at rate of 30 meters per minute?
*April 25, 2014 by Zara*

**Math**

344 miles in 11 hours 1. 344 miles/hours 2. 3784 miles/hours 3. 0.03miles/hours 4. 31.27 miles/hours** My answer is 4 can is that right?
*October 28, 2014 by Monkey55*

**physics**

A compartment measures 3 meters by 5 meters and is 2.8 meters high. A fire raises the temperature from 20 degrees C to 1000 C. If the starting temperature assuming the compartment remains closed?
*October 28, 2011 by Deborah*

**MATHS!!!**

Calvin was making a trip to the University of Chicago. When he drove down, he took Lakeshore Drive, and averaged 35 miles per hour. On his way back, he took the I-94 highway, and averaged 50 miles per hour. Given that the return journey was 4 miles longer and took 6 minutes ...
*April 23, 2013 by OIan*

**Science - Physics**

How long would it take you to drive from Houston to Gatorville LA (235 miles0 if you drive the first 75 miles at 60 mph, the next 100 miles at 65 mph, and the last 60 miles at 70 mph? What is your average speed for the entire trip?
*September 6, 2010 by Rachel*

**Physics**

A bus started out going 20 miles per hour on the highway. One hour later it drove 40 miles per hour on the freeway. How long did it take to go 140 miles? Is the correct answer 3.5 minutes.
*March 11, 2012 by Anonymous*

**Physics**

A bus started out going 20 miles per hour on the highway. One hour later it drove 40 miles per hour on the freeway. How long did it take to go 140 miles? Is the correct answer 3.5 minutes.
*March 11, 2012 by Anonymous*

**Physics**

A bus started out going 20 miles per hour on the highway. One hour later it drove 40 miles per hour on the freeway. How long did it take to go 140 miles? Is the correct answer 3.5 minutes.
*March 11, 2012 by Anonymous*

**Math**

Kyle is training for a bike race. He rides 5 miles one day, 10 miles the next day, and 15 miles the third day. If Kyle repeats this schedule, what is the total distance he will have ridden after 5 days?
*January 16, 2014 by Chris*

**physics**

In a movie a character jumps off a balcony at an angel of 25 degree 10 meters above the ground and land in a window that is 5 meters away and 9 meters above the ground. What is the intial velocity?
*October 6, 2011 by jeff*

**Geometry**

For a given box, the height measures 4 meters. If the length of the rectangular base is 2 meters greater than the width of the base and the lateral area L is 96 square meters, find the dimensions of the box.
*May 30, 2012 by Jordie *

**Geometry**

A landowner digs a 15 meter deep well with a diameter of 2.8 meters. The landowner spreads the dirt dug out of the holds to form a flat platform 31.5 meters by 6 meters. What is the length of the platform?
*May 1, 2013 by Dee*

**geometry**

2. A person who is 1.5 meters tall casts a shadow that is 8 meters long. The distance along the ground from the person (N) to the flagpole (G) is 32 meters. Find the height of the flagpole (FG) showing all calculations.
*February 5, 2015 by Anonymous*

**Math**

A man ran 5 or 7 miles each day for 30 consecutive days. His total mileage during this period was 166. How many days did he run 5 miles? And how many days did he run 7 miles?
*September 8, 2013 by Victoria*

**geometry!**

The swimming pool that sunny goes to has dimensions 20 meters long, 8 meters wide and 3 meters deep. What is the volume of water (in m^3) that the swimming pool contains?
*March 11, 2013 by Anonymous...anyone please help!,*

**math**

The swimming pool that Calvin goes to has dimensions 20 meters long, 8 meters wide and 3 meters deep. What is the volume of water (in m3) that the swimming pool contains?
*March 13, 2013 by ayan*

**MAths algebra**

A rectangular plot measures 16 meters by 34 meters ,find the distance from one corner of plot to the corner diagnolly opposite Answer is 38 meters
*April 2, 2013 by Firdous*

**math**

A rectangular lot has an area of 216.795 square meters and a width of 9.7 meters. Nick calculated the length of the lot to be 2.235 meters. Without solving, is Nick's calculation correct?
*February 8, 2012 by john *

**Math (College Pre-Cal)**

The exact conversion between the English measurement system and the metric system is given by the equation 1 inch= 2.54 cm. Let f(x) be the number of miles in x meters. Find a formula for f(x). Give an exact answer.
*September 29, 2013 by anonymous*

**college algebra**

Solve the problem. A man rode a bicycle for 12 miles and then hiked an additional 8 miles. The total time for the trip was 5 hours. If his rate when he was riding a bicycle was 10 miles per hour faster than his rate walking, what was each rate?
*February 25, 2009 by megan*

**math **

There are two roads that connect Emily's house and John's house. Emily told john that she drove 3/4 of the total distance from her house to john's house on one day, but she did not tell him which road she took. A. using the long road, the distance between Emily's house and ...
*May 28, 2014 by I NEED HELP FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*

**statistics**

A manager wishes to determine the relationship between the number of miles (in hundreds of miles) the manager's sales representatives travel per month and the amount of sales (in thousands of dollars) per month. Find the equation of the regression line for the given data. ...
*December 1, 2011 by Angel White*

**math**

A traveler travels on a highway 80 miles at 55 miles per hour, he then travels back on the same highway at 45 miles per hour. What was his average rate of speed. (Hint: it's not 50 miles per hour) If it's not 50, i'm so confussed!!! Please help!!! (and please show me how you ...
*December 2, 2009 by Ashley*

**math**

On a sunny afternoon. The stratosphere tower casts a shadow that is 140 meters long. At the same a nearby flagpole that is 10 meters tall cast a shadow that is 4 meters long . WrirÃƒÂ© silve the problem
*December 12, 2012 by ivan*

**Physics**

a missile is launched off a jet fighter travelling 300 meters per second. it accelerated with a constant acceleration of 100 meters per second. when it has traveled 5000 meters what will its velocity be?
*October 5, 2015 by Rachael*

**math**

Extra Credit opportunity: A driver is headed north on a long, straight highway and sees this sign: Nearville 150 miles Farville 160 miles Then, surprisingly, an hour later she sees this apparently inconsistent sign on the same highway: Nearville 100 miles Farville 109 miles ...
*March 2, 2012 by Anonymous*

**Intermediate Algebra**

A car travels 30 miles in the same time that a car traveling 5 miles per hours faster travels 45 miles. What is the rate of each car?
*December 9, 2012 by Anonymous*

**Intermediate Algebra**

A car travels 30 miles in the same time that a car traveling 5 miles per hours faster travels 45 miles. What is the rate of each car?
*December 10, 2012 by Please Help :)*

**math**

As part of a 3-day workout plan to prepare for a triathlon, an athlete ran 7 and one eighth718 miles Monday, 11 and one third1113 miles Tuesday, and 14 and one sixth1416 miles Wednesday. How many miles did the athlete run in the...
*October 1, 2015 by mo*

**math**

On a 9-hour trip home from winter break, Mary was forced to drive on a stretch of highway that had a lot of construction. At first she had to go 55 miles per hour for a certain amount of time, but then she was able to go 65 miles per hour for the rest of the trip and in total ...
*August 19, 2013 by seth*

**algebra**

could you see if my answers are correct?? if not could you please help me get them right? thanks very much A train leaves a station at noon. train is 180 miles from its destination at 12:45 pm and 90 miles from its destination at 2:15. how far is station from destination?225 ...
*January 13, 2012 by ann*

**Math**

Jarrod wants to save $245 to buy a Wii gaming system. If he was saving $35 each month, how long would it take him to have the needed money? 7 months? The border between Texas and Mexico is 248 miles. If there are 32 countries along the border, about how many border miles are ...
*September 3, 2012 by Alex*

**coor. algebra**

Okayy so my class is doing conversions annnd.I need help ALOT. 130 meters per second into miles per hour . If you answer can you show me how you got the answer and how to know of the answer is right?
*August 11, 2014 by cj*

**Calculus**

A rocket is fired vertically into the air at the rate of 6 miles/min. An observer on the ground is located 4 miles from the launching pad. When the rocket is 3 miles high, how fast is the angle of elevation between the rocket and the observer changing? Specify units.
*November 2, 2014 by Paula*

**math**

marcel is standing 5 meters away from a street light. he is 2 meters tall and the light is 6 meters high. how long is marcel's shadow?
*January 23, 2016 by margoth*

**statistics**

A maker of tires for cars has a multitude of data to support the fact that the lifetime of their tires follows a normal distribution with a mean of 42,100 miles and a standard deviation of 2,510 miles. Find the probability that a randomly selected tire will have a lifetime of ...
*May 9, 2008 by Tanya*

**physics**

The position of a 0.43 kg object attached to a spring is described by [x = (0.49 m) cos(1.25πt)] a) What is the amplitude of oscillations in m? b) What is in meters/second the maximum speed of the oscillating object? Answer in meters/seconds . c) Find in meters/second the...
*November 11, 2014 by Serena*

**physics**

The position of a 0.31 kg object attached to a spring is described by [x = (0.85 m) sin(2.37πt + 0.35)] a) What is the amplitude of oscillations in m? b) What is in meters/second the maximum speed of the oscillating object? Answer in meters/seconds . c) Find in meters/...
*November 11, 2014 by Serena*

**college algebra**

a bus driver wants to average at least 40 miles per hour on a 70 mile trip. if the first 35 miles takes the driver 1 hour what should be the lowest average speed for the second 35 miles?
*October 17, 2010 by matt*

**algabra**

I take a trip in my car. I want to go 960 miles in one day. The time t, in hours, that it takes to travel 960 miles is given. I will be going 70 or 75 miles an hour so the speed is r. How long will it take me to get to where I am going?
*February 1, 2011 by kathy*

**Math Statistics**

The life span of three randomly selected tires are 34,700 miles, 43,000 miles, 39,000 miles. Using the empirical rule, find the percentile that corresponds to each life span.
*February 17, 2013 by Quala*

**math**

Rachel likes running she ran over 30 miles five days this week. she ran 8 miles on Monday. How many miles did she run on average during the other four days of the week?
*March 16, 2009 by danny*

**math**

I drove 843 miles to Florida. On the first day, I drove 483 miles. On the second day, how long did it take to reach florida if the average speed is 60 miles per hour?
*October 29, 2012 by Anonymous*