To find the mean, you add all the elements together, then divide by the number of elements.
Like this:
(45+48+49+40+53)/5=47
in other words the correct answer is 47 inches.
EDIT: Did the foolish mistake, of using the wrong numbers the first time. Fixed now and the answer is correct.
Answer:
c
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
-75 x-3 is 225
Square root of 225 is 15
7x-99=2x+1
5x=100
x=20
mark me brainliest if the answer is correct, thank you in advance :)
2/3 + 3/4 = 8/12 + 9/12 = 17/12 = 1 5/12
1 + 5/12 = 12/12 + 5/12 = 17/12 = 1 5/12
2/3 + 3/4 = 1 + 5/12
