Answer: x = 1
x =(-3-√-15)/4=(-3-i√ 15 )/4= -0.7500-0.9682i
x =(-3+√-15)/4=(-3+i√ 15 )/4= -0.7500+0.9682i
x2 = 0
Step-by-step explanation:
Answer:
Y=168
Step-by-step explanation:
Y varies directly as X
Y=kx
K is a constant
28=k2
K=28/2 =14
Y=14x
Y=14×12
Y=168
Answer:
z = 36
Step-by-step explanation:
- Add nine to each side, so it now looks like this: z = 36
Answer:
You cross multiply to solve for a variable. You cross multiply when given a proportion.
That is true because if you use the surface area formula, 2(wl+hl+hw), you'll get 250.
