.06 * 1000 = 600 if you move the decimal over to the right by as many zeroes there are, you'll get the correct answer.
Answer:
Step-by-step explanation:
Start replacing!
Now two complex numbers are equal if both the real and imaginary parts are equal, which gives you the system of equation
Pick any method to solve it and you'll get
Answer:
(B)Use the slope formula to prove the slopes of the diagonals are opposite reciprocals.
Step-by-step explanation:
Two lines are perpendicular if the product of their slope is -1. That is, the slope of one is the opposite reciprocal of the other.
Mathematically, if their slopes are
<u>Therefore, the correct option is B.</u>
Answer:
○ B 28 = <em>F</em>(−5)
Step-by-step explanation:
I am joyous to assist you anytime.
Since a $5 decrease in price increases customers by 20 we can say that we have two points:
(125,100) and (120,120), from these we can find the slope or rate of change of customers as a function of price...
m=20/-5
m=-4
m=-4
c(p)=-4p+b, now we can use (125,100) to solve for b
100=-4(125)+b
100=-500+b
600=b, so our number of customers as a function of price is:
c(p)=600-4p
Revenue will simply be the number of customers times the price charged per customer...or p*c(p):
r(p)=600p-4p^2
We can find price that creates maximum revenue by finding when the derivative is equal to zero...
dr/dp=600-8p
dr/dp=0 only when
0=600-8p
8p=600
p=75
So the price that maximizes revenue is $75.