1. The answer for the first question is 7.6 You get the answer by adding all the numbers together then dividing the answer you get by the number of items in this case there were 5 different numbers. This is how you get the mean.
2. The answer is 92.25
Answer:
(4, 8) where =(x, y)
Step-by-step explanation:
x + 4(-x + 12) = 36
x -4x + 48 = 36
-3x = -12
x = 4
4 + 4y = 36
4y = 32
y = 8
10 of the math problems is 40%
40/4 = 10%
10/4 = 2.5 questions
10% = 2.5 questions
10% x 10 = 100%
2.5 questions x 10 = 25 questions
25 questions is the answer
Answer:
i think 10
Step-by-step explanation: