Thursday

October 2, 2014

October 2, 2014

Posted by **tawnie** on Tuesday, March 8, 2011 at 5:03pm.

- math -
**PsyDAG**, Wednesday, March 9, 2011 at 12:17pm(x+y)/2 = 76

x-y = 28

x = 28+y

Substitute 28+y for x in first equation and solve for y. Insert that value into the second equation and solve for x. Check by inserting both values into the first equation.

**Answer this Question**

**Related Questions**

Word Problem - A math teacher gives two different tests to measure students' ...

maths - the mean of a set of test scores is 64. a new student takes the same ...

Statistics - Suppose that two different tests A and B are to be given to a ...

Math - 105 91 82 59 97 72 72 88 81 What is the mode of these scores? A.46 B.72 C...

stats - Use this z-score formula for this problem: z = (x - mean)/(sd/√n...

Prealgebra - A teacher was comparing results on two sets of test scores for a ...

Psychology - Four research participants take a test of manual dexterity (high ...

statistics - Thomas needs a b in his class. his current test scores are 88, 83, ...

statistics - 5. The table below shows Psychology exam scores, Statistics Exam ...

college - use the five steps for problem solving. the average of two test scores...