1. Questions

math

A long-distance runner runs 3 miles south and then 7 miles east. How far is the runner from the starting point

A) 8.616 mi

B) 10 mi

C) 7.616 mi

D) 4.472 mi

I think it is eaither A or C but not sure

  1. 👍 0
  2. 👎 0
  3. 👁 588
asked by badatmath

  1. Using the Pythagorean Theorem, I found the distance to be 7.616 miles.

    a^2 + b^2 = c^2
    3^2 + 7^2 = c^2
    9 + 49 = 58
    square root of 58 = 7.616

    1. 👍 0
    2. 👎 0
    posted by Ms. Sue

  2. simple case of using Pythagoras

    d^2 = 3^2 + 7^2
    d^2 = 58
    d = √58 = 7.616

    1. 👍 0
    2. 👎 0
    posted by Reiny

  3. http://www.arcytech.org/java/pythagoras/history.html

    1. 👍 0
    2. 👎 0
    posted by bobpursley

Respond to this Question

First Name

Your Response

Similar Questions

  1. math 11th grade

    If a man runs for an hour and a half at 8 miles an hour due south; and then he continues south on a bus traveling at 55 miles an hour, for 24 minutes. How far did he travel?

    asked by Louise on June 26, 2010

  2. Precalc

    Water is flowing from a major broken water main at the intersection of two streets. The resulting puddle of water is circular and the radius r of the puddle is given by the equation r = 5t feet, where t represents time in seconds

    asked by Zoe Cameron on April 2, 2015

  3. math

    A runner times herself to see how long it takes her to run different distances. The table shows the runner's times (in minutes) for running several distances (in miles). Miles: 1|2|3|4|6|8|10|12 Time: 7|16|30|35|57|75|106|132

    asked by Chunky monke on December 13, 2018

  4. math

    A lawyer drives from her home, located 6 miles east and 10 miles north of the town courthouse, to her office, located 4 miles west and 14 miles south of the courthouse. Find the distance between the lawyer's home and her office. I

    asked by Carly on July 19, 2016

  5. Physics

    In a 5.00km race, one runner runs at a steady 11.6km/h and another runs at 15.0km/h. How long does the faster runner have to wait at the finish line to see the slower runner cross?

    asked by Tommy on June 12, 2015

  1. geometry

    The Frostburg-Truth bus travels on a straight road from Frostburg Mall to Sojourner Truth Park. The mall is 2 miles east and 5 miles north of the City Center. The park is 5 miles west and 5 miles south of the Center. How far is it

    asked by james on August 29, 2018

  2. Math

    Runner A crosses the starting line of a marathon and runs at an average pace of 5.6 miles per hour. Half an hour later, Runner B crosses the starting line and runs at an average rate of 6.4 miles per hour. If the length of the

    asked by Michael on November 1, 2007

  3. Algebra

    If Tom Bombadil's house is 12 miles east of Hobbiton and 16 miles south, what is the straight line distance (omit units) Where do I start ?

    asked by Anonymous on June 6, 2014

  4. Math

    A runner times her to see how long it takes her to run different distances. The table shows the runner's times (in minutes) for running several distances (in miles). Miles| 1 | 2 | 3 | 4 | 6 | 8 | 10 | 12| Time |

    asked by Røse on December 14, 2018

  5. Math

    Runner A crosses the starting line of a marathon and runs at an average pace of 5.6 miles per hour. Half an hour later, Runner B crosses the starting line and runs at an average rate of 6.4 miles per hour. If the length of the

    asked by nick on February 12, 2013

  6. Trigonometry

    1) Two people are 3.21 miles apart and both spot a hot air balloon. One person observes the balloon at an angle of elevation of 25 degrees and the other observes the balloon at an angle of elevation of 38 degrees. Determine the

    asked by Kalina on July 21, 2012

You can view more similar questions or ask a new question.