1680/61c2 Step-by-step explanation:
Based on the fact that the angle is acute, we know that the expression 
must be between 0 and 90. This is shown as:
We can now solve this inequality as shown below:
The inequality would be represented as 15/2 < x < 45/2.
Answer:
2000
Step-by-step explanation:
Now for question, first find the percentage of balls that passed inspection
How to find percentage?
whatever
- - - - - - - - - - - - - - - - - - - x 100
The total of that whatever
Therefore in this case, your whatever is the golf balls
48
----------- x 100
60
= 80%
Now since now u know, 80percent of the golf balls will pass inpection
Now u have 2500, how many will pass? So just
2500 x 80%
= 2000
This is a division problem. So divide 70 by 8 and whatever the remainder is, it's what Joanna will have left.
144 is 45% of the total customers who took the survey.
Total customers who took survey= 144 × 100/45 = 320
