Answer:
3. The first equation can be multiplied by 3 and the second equation by 2.
Step-by-step explanation:
2 x + 3 y = 25 (1)
-3 x + 4 y = 22 (2)
Multiply equation (1) by 3 and (2) by 2.
3(2x) = 6x
2(-3x) = -6x
When you add the two equations, x will get cancelled last
Answer:
x^2-3y
5^2-3*8
25-24
1
Step-by-step explanation:
Answer:
9pi
Step-by-step explanation:
circumference is 2(pi)(r) or diameter(pi)
