The mean = sum of all the measurements / number of measurements (n)
= (5 + 3 + 3 + 8 + 8) / 5
= 27 / 5
= 5.4 Answer
2x - 5 = 7
2x = 7 + 5
2x = 12
2x/2 = 12/2
x = 6
to check:
2x - 5 = 7
2(6) - 5 = 7
12 - 5 = 7
7 = 7
Answer:
9 servings
Step-by-step explanation:
Answer:
f(- 1) = 3
Step-by-step explanation:
To evaluate f(- 1), substitute x = - 1 into f(x) , that is
f(- 1) = (- 1)² - 2(- 1) = 1 + 2 = 3
