Answer:
Only the mean increased.
Step-by-step explanation:
The mean is the total divided by the number of scores, and since adding 21 will increase the total score significantly, the mean increases.
The median is still 7.
Answer:
$30.10
Step-by-step explanation:
2.50 * 5 = $12.50
4.40 * 4 = $17.60
12.50 + 17.60 = $30.10
Answer:
y = -2/5 or y = 1
Step-by-step explanation:
(5y + 2)(y-1) = 0
(5y+2) = 0
Subtract 2 on both sides.
5y = -2
Divide 5 into both sides.
y = -2/5
(y - 1) = 0
Add 1 on both sides.
y = 1
Is it not 2 1/6??? that or 13/6
Answer:
4 x 3 x 1 = 12
12 = 12
Step-by-step explanation:
I used a calculator, pls let me know if im incorrect