Answer is 32 books
So i am not sure if the answer listed there are correct
But this is the way you solve it
x=number of books
change 64% percent to a decimal, 0.64
Put everyhting into equation
0.64×50=x, then solve
x=32
64% of 50 books is 32 books
110 because 7 x 5 x 3.14159= 109.95565
I supposed you mean add the equation h + 3 to 6h + 1?
6h + 1 + h + 3 = 7h + 4
But if you mean subtract the equation h + 3 from 6h + 1
6h + 1 - (h + 3) = 6h + 1 - h - 3 = 5h - 2
Answer:
To estimate the mean length.
From the table lengths and its corresponding frequency are given
we know that,
The mean formula is defined as the sum of the observations divided by the total number of observations.
The formula to calculate the mean of grouped data. The formula is,
we get, Midpoint of the intervals are,
0.95, 2.95, 4.95, 6.95, 8.95, 10.95
Mean is,
we get,
Answer is: 6.034