Answer:
-b/2a is the equation to find the x coordinate of the vertex point and it's y, when x is plugged into the quadratic equation.
Step-by-step explanation:
Answer:
-1
Step-by-step explanation:
20/5=3-x
4-3=-x
1=-x
x=-1
Answer:
1. C -> Marty's with a slope of 1/3
2.C -> 2x + 5y = -15
3. C -> y = 1/4x + 2
4. A -> x - 4y = 8
5. D -> 5
If nCk represents the number of ways k parts can be chosen from a pool of n, the probability of interest is the complement of the probability of selecting all good parts.
1 - (167C3)/(170C3) = 42,085/804,440 ≈ 0.0523
_____
nCk = n!/(k!(n-k)!)
Step-by-step explanation:
Olivia's nachos is v.
Raegan's nachos is r.
v = 2r