Answer:
At least 6 students must be enrolled in the class for the instructor to make a profit.
At least 20 students must be enrolled in the class for the instructor to make $1,000 (or more) profit per month.
Step-by-step explanation:
The function 
models the profit of the instructor of a guitar class per month.
1. If the instructor makes a profit, then
So, at least 6 students must be enrolled in the class for the instructor to make a profit.
2. If the instructor needs to make 1,000.00 profit per month, then
So, at least 20 students must be enrolled in the class for the instructor to make $1,000 (or more) profit per month.
To do this you need to multiply how many centimeters long the drawing is times the number of meters per centimeter used in the scaling.
12 x 250 = 3000
Answer:
2100 meters
Step-by-step explanation:
<u><em>REMEMBER: 1 km = 1000 m</em></u>
2.1 km x 1000= 2100 meters
hope this helps ;)
R - it is rain (probablity: 0.86)
N - it is not rain (probablity: 1-0.86 = 0.14)
You've got these cases:
R R R R R R R R R N
R R R R R R R R N R
R R R R R R R N R R
. . .
N R R R R R R R R R - it is 10 cases. Probablity each case is
(0.86)^9 * 0.14 - it is approximately 0.036 (9R and 1N - you multiply everything)
It is 10 cases so you have to multiply by 10 and you get 0.36
There is also eleventh case:
R R R R R R R R R R
Probablity is (0.86)^10 approximately 0.22
Add these cases and you'll get your probablity: 0.36 + 0.22 = 0.58
Answer:
x+24 = -20
this is the equation form
