1. 18
2. 33
3. 28
explain: division first so 6x3
multiply first so 12+21
multiply both then add so 12+16
Answer:
exact answer 91/4 the mixed fraction is 23 3/4 and then
Step-by-step explanation:
23+1/2+1/4=23 3/4
Answer:
B
Explanation:
Matches all the points on the graph
For this case we have:
Cost of manufactures of T-shirts
where x represents the number of T-shirts
Part A:
Substituting in the total cost equation you have to:
Thus, the cost of 8 shirts will be
Part B:
If then
Thus, the cost of 12 shirts will be
Answer:
Answer: 0.87 times per second (Or 52.2 times per minute)
Step-by-step explanation:
You need to make the conversion from minutes to seconds.
Remember that 1 minute has 60 seconds. Then 20 minutes to seconds is:
Find the number of times the heart beats in 1 second when it is rowing:
Find the number of times the heart beats in 1 second when it is resting:
Then the difference is:
(Or 52.2 times per minute)