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:
You would multiply it by 4
4(3x^2 +2 )
12x^2 +8
Answer:
Less
Step-by-step explanation:
<span>Income earned over one year is principal * int rate so we have
0.12*A + 0.13*B +0.14*C = 400
and A + B + C = 3000
and A+B = C</span>
Answer:
3
Step-by-step explanation:
1/4 = 2/8
With 7/8 pounds of meat, you can make 3 patties (6/8) and have 1/8 pound leftover