Answer:
9a-b
Step-by-step explanation:
1) 3 (5a - b) - 2 (3a - b)
15a - 3b - 2 (3a - b)
2) 15a - 3b - 2 (3a - b)
15a - 3b - 6a + 2b
3) 15a - 3b - 6a + 2b
9a - 3b + 2b
4) 9a + 3b + 2b
9a - b
Answer:
84
59
Step-by-step explanation:
In other to have the same number of chayes in both rows and columns ;
If the Number of chairs per row = x ; then number of chairs per column = x
Then the total number of chairs needed = x * x = x²
Hence, if there are 5100 chairs ;
Number of chairs needed more ;
Take the square root of 5100 ;the round to the next whole number :
B.) For number of chairs to be removed ;
Take the square root of 5100 and round down to the whole number.
Hence,
A.) = √5100 = 71.414 = 72
72² - 5100 = 84
B.) 5100 = 71.414 = 71
5100 - 71² =
Answer:
20%
Since Emily gave 15 of her buttons out of 75, it's just 15/75 or 1/5 which is 20
Step-by-step explanation:
That answer is A and B pick one
Answer: 1/2x -5
Step-by-step explanation:
Half of x , less 5. (5 less just means subtract)
