Answer:
The expression for rate per hour is 
.
Explanation:
Given:
A machine paints 340 toy boats in 45 minutes.
To Find:
Expression equals the rate per hour?
Solution:
Finding the expression for rate per minute:
So, rate per minute expression is 
= 
Then, rate per hour expression 
So, rate per hour expression is 
= 453.334 toys per hour.
Hence, the expression for rate per hour is
Answer:
the second one it is a function.
Answer: 1200
2h -100
24h-x
2x= 2400
x=1200
Answer:
<em>16/3</em>
<em>As a decimal, 5.3 with a line other the "3" which means it's repeating</em>
<em>As a mixed fraction, 5 1/3</em>
<u><em>Hope this helps :-)</em></u>
Answer:
8190 ways
Step-by-step explanation:
Given
Selection
Required
Number of ways of selection
4 students can be selected from 15 students in:
Similarly.
5 teachers can be selected from 6 teachers in:
So, the required number of selection is:
Apply combination formula:
