83.6 centimeters because to find the mean u have to add up all the numbers there are and then divide by the amount of numbers there are
Answer:
A. 5x+y+3
Step-by-step explanation:
to combine like terms you get the numbers that have the same variable. you will combine 2x and 3x and to combine them you add them 2x+3x and it equals 5x. you will do the same for the numbers left... -2y and 3y = 1y or y and 3 is left so we dont do nothing and after you do that you will put it in an equation variables go first and you order them in alphabetical order so 5x will go first then y and lastly the 3
Answer: 1/14
Solution:
1/2 + x = 4/7
4/7 - 1/2 = x
8/14 - 7/14 = 1/14
Check:
1/2 + 1/14 = 7/14 + 1/14 = 8/14 = 4/7
