Answer:
95
Step-by-step explanation:
Use the mean formula: mean = sum of elements / number of elements
Plug in the mean and number of elements, then solve for the sum of the numbers:
mean = sum of elements / number of elements
19 = sum of elements / 5
95 = sum of elements
So, the sum of the numbers is 95.
Answer:
29
Step-by-step explanation:
-9+21= 21
-12+4=-8
21-(-8)=29
Answer:
42Sin
Step-by-step explanation:
Speed it up
You should first fully understand what an equivalent expression is. This type of expression is an equation that are the same, even though they might look a little different at first glance. When you try to substitute a value to the expression, they will result in the same value at the end.
Happy Studying!
Because 4x2 = 8, so 4x7=28, then you times 28 by 2 which equals 56 and 8x7=56