Answer:
9.2yrs
Step-by-step explanation:
Given data:
Ages of trees in the school property:
3 years, 8 years, 10 years, 14 years, 11 years
The problem here is finding the mean age of these trees.
The mean is the average of a given data set. It is the sum of all the data given divided by the number of the data.
Mean = = = 9.2yrs
Answer:
Step-by-step explanation:
<u>This is the permutation of 4:</u>
- 4P4 = 4! = 1*2*3*4 = 24 ways
Answer:
this is an easy one. 6(4)
Step-by-step explanation:
since multiplication can be switched and you get the same answer, you can switch this using the communative property and you still get 24
Answer: Total: 30 + 20y + 85 + 17y This is the not simplified version.
37y+115 This is the simplified version. Hope this helps
Step-by-step explanation: I really don't know the steps.?
In order to get the decimal you need to divide the numerator (12) by the denominator (15), when you divide that you get 0.8
In order to get the percentage all you have to do is multiply the numerator (12) and the denominator (15) which is 0.8, then multiply the quotient by 100 which calculates to 80%.
Hope this helps!