I think its c. The communicative property of multiplication state that you can multiply in any order <span />
Answer:
x=6
Step-by-step explanation:
Mean is another word for average. It is found by adding up all of the values, and dividing that number by the amount of values you added together.
You have 5 values that get a mean or, average, of 7.4
1) We can write this as the following:
(11+12+5+3+x)/5=7.4
2) To solve, multiply both sides by 5:
11+12+5+3+x=37
3) Now combine all of the numbers on the left:
31+x=37
4) Now subtract 31 from both sides:
x=6
Answer:
50%
Step-by-step explanation:
There are 3 numbers fitting the rule, 1, 3, and 5. There is a 3/6 chance of picking one of them or 50%.
Answer: They washed 60 small cars.
Step-by-step explanation:
5x + 10y = 800
y = 50
5x + 10(50)
5x + 500 = 800
Subtract 500 from each side
5x = 300
Divide each side by 5
x = 60