The instructor wants the profit to be positive, so
f(n) > 0
70n -400 > 0
n - 400/70 > 0
n > 5 5/7
The instructor must enroll at least 6 students to make a profit.
Answer:
I would say B
Step-by-step explanation:
I'm sorry, I don't have an explanation
Answer:
Real numbers are like pi, 4, -3, 1/3, 1.25, -3468374, ......
Infinite solutions are like when you solve a problem and it doesn't work out.
like 2+2 = 3 + 2
4 = 5
It doesn't make sense at all
Hope it helps :)
I am guessing right now, but here it is
x=6x+x-2x
Answer:
Area of nonagon = 1044.6 square millimetres.
Step-by-step explanation:
Let side of the nonagon is a
Given:
The perimeter of nonagon is 117 millimetres
Put the perimeter value in above equation
So the side of the nonagon is 13
The area of the nonagon is .
where a is side of the nonagon.
Put value of side in above equation
Therefore, the area of the nonagon is 1044.6 square millimetre.