I think the answer is B. idk if im right and im sorry if im wrong
Answer:
X+y=30
X=30-y
Z=yx
Z=y(30-y)
D/dy
z=30–2y
At max 30–2y=0
2y=30 Y=15
Therefore x=15
Step-by-step explanation:
Answer: One-Half of the sweaters are blue.
Step-by-step explanation: Half of 6 is 3.
Answer:
18
Step-by-step explanation:
q^2 - 5q +4
Let q = -2
(-2)^2 - 5(-2) +4
4 + 10 +4
18
Answer:
42
Step-by-step explanation:
x = Ky
18 = K(3)
K = 18/3 = 6
x = 6y
x = 6(7) = 42
