Answer:
2π/3 I believe !
Step-by-step explanation:
Answer:
40%
Step-by-step explanation:
The profit margin is given by the gross profit divided by total sales.
In this case, Gadget mania has a gross profit of $6 per microphone, while each microphone sells for $15.
Therefore, the profit margin is:
Gadget Mania's profit margin is 40%.
Answer:
y-int = -10, x-int = 15/2
Step-by-step explanation:
y int:
-4(0)+3y=-30
3y=-30
y=-10
x int:
-4x+3(0)=-30
-4x=-30
x=30/4=15/2
Answer:
Where and
We want to find the Annie's score takign in count that the score is 3 deviations below the mean, so then we can find the value with this formula:
And replacing we got:
So then the Annie's score would be 87
Step-by-step explanation:
Let X the random variable that represent the test scores of a population, and for this case we know the distribution for X is given by:
Where and
We want to find the Annie's score takign in count that the score is 3 deviations below the mean, so then we can find the value with this formula:
And replacing we got:
So then the Annie's score would be 87