9514 1404 393
Answer:
5
Step-by-step explanation:
Let f represent the number of friends. Their total earnings are ...
21f = 105
f = 105/21 = 5 . . . . . divide by the coefficient of f
There are 5 friends in the group.
Answer:BC=68
DE=36
CE=34
Step-by-step explanation:
Since D, E and F are the midpoints, they follow the midpoint theorm which states that "The line segment in a triangle joining the midpoint of two sides of the triangle is said to be parallel to its third side and is also half of the length of the third side." As for others, it's just the calculation.
Answer:
3(x-1)(x+8)
Step-by-step explanation:
3x2+21x−24
3x2+21x−24
=3(x−1)(x+8)
Answer:
A
Step-by-step explanation:
the mean is higher than kindergartens mean which shows its larger and the deviation is lower which shows less variation
Answer:
12.5 or 25/2!
Step-by-step explanation:
Multiply the first two as improper fractions then divide it by 2/3!
