Need some help with HW.

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Jakob95
Help? Right now I mainly need help with question 17, the graph thingy, and 14.
 
Zarcon
For 17 it should be...if I still remember right anyway...
PQB = 6x + 15
BQR = 3x
BQR = PQA
PQB + PQA = 180 (degrees)
6x + 15 + 3x = 180
6x + 3x = 180 - 15
9x = 165
x = 18.3...3
PQB = 6x + 15
PQB = 6(18.3) + 15
PQB = 125
 
Joe88
took discrete math a few years so may be a little sketchy with it


14)
statement: (j)->(~w)
inverse: (~j)->(w)
converse: (~w)->(j)
 
pocchama1996
Im learning this same stuff right now in my honors geometry class.
wouldve helped with the graph but i cant see enough of it
 
Jakob95
Thanks I did all those questions. I actually have another question here it is.

For the given open sentence find a solution for the variable that will allow it to become a true statement given the domain: (4, 5, 6, 7, 8, 9)

6x +17 =89

EDIT: Don't worry I did the whole graph.
 
BloodyFlame
[quote name='pocchama1996' post='3181519' date='Oct 6 2010, 08:57 PM']Pretty sure x=4[/quote]

Me too.

5x^2 = 80
/5 /5
x^2 = 16
sqrt sqrt
x = 4
 
mameks
[quote name='Joe88' post='3181598' date='Oct 7 2010, 05:49 AM']technically it can be 4, -4[/quote]
This. it has to be ±4
 

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