<h3>(4x + 7y) + 5z = 4x + (7y + 5z)</h3>
It's an Associative property (a + b) + c = a + (b + c)
<h3>Answer: A)</h3>
Answer:
a. The expected or average costs for all weekly rat purchases is $20.00
Step-by-step explanation:
a. A mean value of $20.00 means that over a period of 52 weeks, the company can expect to spend $20.00 per week on rat purchases.
b. This is incorrect since individual values don't interfere in the mean. For instance, if half the weeks had a cost of $19.00 and the other half had a cost of $21.00, the mean cost would still be $20.00 even though no particular week had a $20.00 cost
c. Incorrect. The median is the central value in a distribution; the median and the mean are not necessarily the same.
d. Incorrect, same as item b.
Mark earns 33.5 dollars per hour.
Answer:
C. 24 1/4
Step-by-step explanation:
You turn both the lowest and the highest values into improper fractions and subtract the numerators then turn it back into a mixed fraction.
Answer:
The answer is 40/1 dollars person; the cost is 40$ per person.
