Answer:
23 degrees
Step-by-step explanation:
6x + 42 = 180
x = 23
Answer:
x=1 y =15
Step-by-step explanation:
hopefully correct
-5x-2y=13 (i)
3x-y=12
-y=12-3x
y=-12+3x (ii)
substitute ii into i
-5x-2(-12+3x)=13
-5x +24-6x=13
-11x=-11
x=1
substitute x into ii
y=-12+3(1)
y=15
.
. . x=1 and y =15
57600
you multiply all three numbers togeather<span />
Answer:
I believe it is associative property of addition or commutative
Step-by-step explanation:
Its D............................