Sunday

January 25, 2015

January 25, 2015

Posted by **don** on Tuesday, February 5, 2013 at 7:42pm.

- mathURGENT!!!!!! -
**Reiny**, Tuesday, February 5, 2013 at 8:47pmslope of first line = -1/2

slope of 2nd line = -a/3

to be perpendicular, they must be negative reciprocals of each other, or, when multiplied we should get -1

(-1/2)(-a/3) = -1

a/6 = -1

a = -6

**Answer this Question**

**Related Questions**

mathURGENT!!!!!! - what is the greatest value of m such that 25!/5^m is an ...

mathURGENT!!!!!!!!!! - if 4^(x)-4^(x-1)=24 what is the value of (2x)^x? please ...

mathURGENT!!!!!!! - if (4^x)-(4^x-1)=24 what is the value of (2x)^x? please ...

mathURGENT!!!!!!!!!! - find all ordered pairs of positive integers (x,y) that ...

mathURGENT!!!!!! - for which integers will the square of the integer decreased ...

Vectors - I am really lost and confused! Consider the lines r = (1,-1,1) + t(3,2...

Math! Please check! - Given that lines AC and GE are both perpendicular to line ...

algebra - Will someone please look over these? I am so lost on these. 1. find ...

math - I dontunderstand this question can you please help me. "Explain why 3 ...

mathURGENT!!!! - the midpoints of the sides of a triangle are (1,1),(4,3),and (3...