Posted by Hannah on Wednesday, January 7, 2009 at 8:37pm.
average = sum/5
average = (previous sum + x)/6
2.5 = (previous sum + x)/6
15 = previous sum + x
x = 15 - previous sum
sum = 1 8/12 + 2 9/12 + 3 4/12 + 1 8/12 + 2 9/12
sum = 9 + 38/12 = 9 + 3 2/12 = 12 1/6
av = (12 1/6) / 5
av = 2 2/30 = 2 13/30
part 2
x = 15 - 12 1/6
x = 14 6/6 - 12 1/6
x = 2 5/6
xdspc kteh akceyhrv kjfezl tbapnc fbrdvs rjxzgpbsc
33333333333333333333333333333333
If your doing that then find if its a decimal if so you only put 2 or 3 threes
If your doing that then find if its a decimal if so you only put 2 or 3 threes
Related Questions
physics - A car travels along a straight stretch of road. It proceeds for 11.9 ...
physics - A car travels along a straight stretch of road. It proceeds for 14 mi ...
physics - A car travels along a straight stretch of road. It proceeds for 15 mi ...
physics - A car travels along a straight stretch of road. It proceeds for 15 mi ...
physics - A car travels along a straight stretch of road. It proceeds for 14 mi ...
physics - A car travels along a straight stretch of road. It proceeds for 14 mi ...
PHYSICS - A 745i BMW car can brake to a stop in a distance of 122 ft from a ...
math - You jog at 6.6 mi/h for 5.0 mi, then you jump into a car and drive for ...
Gaussian Elimination/ Matrices - Amanda, Bryce, and Corey enter a race in whic ...
Spanish - indicate the realtionships between the family memebers listed below: ...
For Further Reading