math

what is a mean and how you do it

A mean is the average. To find the mean add the numbers together. Then divide.

For instance, to find the mean of 4, 8, and 9, you need to add those three numbers together and get 21. Divide 21 by 3 to get the mean -- 7.

  1. 👍 0
  2. 👎 0
  3. 👁 103
asked by isaiah

Respond to this Question

First Name

Your Response

Similar Questions

  1. Urgent!!! Physics

    A meteor streaking through the night sky is located with radar. At point A its coordinates are (5.60 km, 1.25 km), and 1.12 s later its has moved to point B with coordinates (6.16 km, 0.900 km). A. Find the x component of its

    asked by andrea on January 26, 2011
  2. Maths

    A boy cycled from his home to a friend's house 24km away at an average speed of 16km/h. Finding his friend absent, he returned home immediatly at an average speed of 12km/h. Find the average speed I know how to find the average

    asked by 10M1 on November 3, 2011
  3. math

    Biologists want to set up a station to test alligators in the lake for West Nile Virus. Suppose that the costs for such a station are $3,000 for setup costs and $4.00 to administer each test. a. Write an expression that gives the

    asked by lindsey on May 1, 2011
  4. math

    Suppose the daily high temperature in a town is 3 degrees above average one day, then 5 degrees below average the next day, then 2 degrees above average, then 1 degree below average, then 6 degrees above average, then equal to the

    asked by Julie on May 4, 2016
  5. CALCULUS

    The displacement (in centimeters) of a particle moving back and forth along a straight line is given by the equation of motion s = 3sin(ðt) + 5cos(ðt), where t is measured in seconds. (Round all answers to the nearest

    asked by Terry on August 29, 2010
  6. Calculus

    The table shows the position of a cyclist. t (seconds) 0 1 2 3 4 5 s (meters) 0 1.6 4.6 10.4 17.8 25.2 (a) Find the average velocity for the time period [1, 3]. ? m/s (b) Find the average velocity for the time period [2, 3]. ? m/s

    asked by Theresa on August 29, 2010
  7. Math - Calculus

    If 75100 dollars is deposited in an account for 13 years at 5.35 percent compounded continuously , find the average value of the account during the 13 years period. The average value in the account is ? ** im alittle confused in

    asked by Anonymous on December 7, 2014
  8. Math

    An instructor gives regular 20-point quizzes and 100-point exams in a mathematics course. Average scores for six students, given as ordered pairs (x,y) where x is the average quiz score and y is the average test score, are (18,

    asked by Re on March 7, 2011
  9. Urgent!!! Physics

    At an air show, a jet plane has velocity components Vx = 625 and Vy = 415 at time 3.85s and Vx = 838 and Vy = 365 at time 6.52s . A. For this time interval, find the x component of the plane's average acceleration in km/h2. B. For

    asked by andrea on January 26, 2011
  10. Statistics

    uppose that a category of world class runners are known to run a marathon (26 miles) in an average of 143 minutes with a standard deviation of 12 minutes. Consider 49 of the races. Let X = the average times of the 49 races. (a)

    asked by mathhelpplease on July 31, 2015
  11. Physics

    At an air show, a jet plane has velocity components vx = 695 km/h and vy = 440 km/h at time 4.85s and vx= 933km/h and vy = 465 km/h at time 7.12 s. For this time interval, find (a) the x and y components of the plane’s average

    asked by mo on January 22, 2012

More Similar Questions