Answer:
0.7938
Step-by-step explanation:
z1 = (125-100)/15 = 1.667
P( < 125) = 0.9522
z2 = (85-100)/15 = -1
P( > 85) = 0.8413
0.9522 + 0.8413 - 1 = 0.7935
Answer:

Step-by-step explanation:
Given



Required
Determine the number of brownies left
If:

and there are 28 students
Then:


To determine the number of brownies left, we have:


Reorder

Collect Like Terms


<em>Hence, there are 33 brownies left</em>
Answer:
2100
Step-by-step explanation:
Multiply the rate by the time and the weight to find the amount per week.
(2.5%/day)(6 tons)(2000 lb/ton)(7 days/week) = 2100 lb/week
Hello There!
It would be 4.667.
Hope This Helps You!
Good Luck :)
Answer:
(8x + 20)-2x
Step-by-step explanation:
We don't know what x is, so we use the Distributive Property to do 4 x 2x, then 4x5. We put parentheses around it, and then do - 2x