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October 30, 2014

October 30, 2014

Posted by **Sara!** on Wednesday, June 9, 2010 at 7:46pm.

plz show me how you do this

1. on her last three quizzes, jane scored 84, 96, and 88. what grade must she get on her next quiz to have an average of 90 for all four quizzes?

2. a square and a equilateral triangle have the same perimeter. what is the perimeter of each shape?

sqaure P = X

equilateral triangle P = x + 2

THANK YOU!!

- MATH! -
**drwls**, Wednesday, June 9, 2010 at 7:57pm1. (84 + 96 + 88 + x)/4 = 90

Solve for x.

2. Read the question again. They already told you the perimeters are the same.

You cannot say what the perimeter is with the information you have provided. All you know is that they are equal.

- MATH! -
**Sara!**, Wednesday, June 9, 2010 at 8:01pmhow do you do # 1

- MATH! -
**Sara!**, Wednesday, June 9, 2010 at 8:02pmthe question for # 2 is FIND the perimeter of each shape

- MATH! -
**drwls**, Wednesday, June 9, 2010 at 8:04pmSolve the equation I wrote for you.

The next step would be to rewrite it as

268 + x = 4*90 = 360

Then subtract 268 from sides.

- MATH! -
**Sara!**, Wednesday, June 9, 2010 at 8:11pmhow do you do number 2 the question is FIND the perimeter of each shape

- MATH! -
**Albejoice**, Wednesday, June 9, 2010 at 11:13pmEVERYONES COOL!!!!!!!!!!!

- MATH! -
**UNKNOWN (agent xb)**, Wednesday, June 9, 2010 at 11:14pmEVERYONES A CRITIC

- ALGEBRA -
**UNKNOWN (agent xb)**, Wednesday, June 9, 2010 at 11:17pmIS LETTER x NUMBER it IS SOOOOO!!! EASY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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