10min + 35min = 45min
Lester left 45min before 10:45AM
he left at 10AM
A=xy+yz
A=y*(x+z)
y=A/(x+z)
Answer
N-9=-18
Move the -9 to -18 and add those cuz if there’s two negative u have to add
Add 9
Answer: 19.4
Step-by-step explanation:
Given
Profit is given in terms of the selling price

to get the maximum price, differentiate y w.r.t x

Put
to get maximum value

Thus, the company must sell it at 19.4
Step-by-step explanation:
if you are given an equation of a form y=kx+b, k is gradient and b is y-intercept
in c you can write this equation as y=(2x/3)-2,so gradient = 2/3 and y-intercept =-2
in e:6y=2x+3
y=x/3+1/2,gradient = 1/3, y-intercept=1/2