Monday

January 26, 2015

January 26, 2015

Posted by **matt** on Tuesday, April 9, 2013 at 3:03pm.

- math -
**rbowh**, Tuesday, April 9, 2013 at 3:17pmx = number of answers

y = number of incorrect answers

3 x - y = 18

x + y = 10

add the two equations and solve for x

check your answer

- math -
**matt**, Tuesday, April 9, 2013 at 3:20pmHow do you that rbowh? I am really bad at this.(step by step please)

- math -
**Ms. Sue**, Tuesday, April 9, 2013 at 3:28pmWhat part of the explanation don't you understand?

- math -
**matt**, Tuesday, April 9, 2013 at 3:33pmHow to solve for x.(i am terrible at this)

- math -
**rbowh**, Tuesday, April 9, 2013 at 3:34pmwhat did you get when you added the two equations?

- math -
**matt**, Tuesday, April 9, 2013 at 3:35pmThat is what I don't get.Please can you show me how to do it.

- math -
**rbowh**, Tuesday, April 9, 2013 at 3:36pmby the way, x represents number of correct answers - I left that out initially

- math -
**matt**, Tuesday, April 9, 2013 at 3:38pmStep by step is what I meant.

- math -
**rbowh**, Tuesday, April 9, 2013 at 3:42pm(3x - y) + (x + y) = 18 + 10

4 x = 28

x = ?

- math -
**matt**, Tuesday, April 9, 2013 at 3:43pmThank you very kind sir/ma'am you were a big help.

- math -
**rbowh**, Tuesday, April 9, 2013 at 3:46pmYou're welcome Matt.

**Answer this Question**

**Related Questions**

Math - In a math contest of 10 problems, 5 points was given for each correct ...

math - in a math contest of 20 problems. 5 hpoints given each correct answer. 25...

Math - In a mathematics quiz, 20 problems are given, 5 points are given for each...

math - I have no idea where to start! *A quick quiz consists of 3 multiple ...

Statistics - A 50-question true-false exam is given. Each correct answer is ...

Math - There are 40 questions on a class test. Six points are given for each ...

Math check and question - x is a binomial random variable. (Give your answers ...

Math - Does studying for an exam pay off? The number of hours studied, x, is ...

math help - Use the following table to answer the questions. (Give your answers ...

math - Can someone please help me on these I have look at the examples and done ...