Answer:
X= 1, Y= 4, Z= -2
Step-by-step explanation:
(3(6x-2y-3z=4)) + (-2(9x-3y+3z=-9))
Z=-2
Substitute in Z
(6x-2y+6=4) + (3x+2y-4z=7)
X=1
Substitute in Z and X
3+2y-4=7
Y=4
Answer:
16.
Step-by-step explanation:
since given the radius and the formula of the circumference of a circle is 2pie*r
Answer:
you have to use the knowledge and vertically opposite angles corresponding angles
vertically opposite meaning the angle vertically opposite to 84 is at 4 then corresponding angles to get what is 2x then divide your answer by 2
Answer: 171 cm
Step-by-step explanation: im not sure if this is right but
9x12=108
9x7=63
108+63=171
