Angles of a triangle add up to 180 degrees and then we take away the right angle
180-90=90
5x+5x=10x
90/10=9
x=9
Wow matrixes gg
a)[ 1 1 4 ]
[-7 -6 -1 ]
[ 0 4 0 ]
b)[ 15 12 12 ]
[-12 -12 0 ]
[3 6 0 ]
c)[ 7 4 12 ]
[ -18 -16 -2 ]
[ 1 10 0 ]
d) I forgot how to do d lol so heres all I got.
6(2x+5)-6=0
(12x+30)-6=0
+6 +6
12x+30=6
-30 -30
12x=-24
/12 /12
x=-2
MC=2(-2)+5
MC=-4+5
MC=1
LM=11
MC=1
LC=-18
The domain is the x side or the x-axises.
Answer:
x= 14
Step-by-step explanation: