39 x 5 = (30 x 5) + (9 x 5) = 150 + 45 = 195
He did not change the sign of operation when 28 crossed the equals sign.
Answer:
102.8/4=25.7
I got it because I used a calculator
Step-by-step explanation:
|4x-9|=5x
subtract 4 to both sides
and that will give you
|-9|=x then the 9 turns positive because of the brackets
9=X
They are all cold, they're below freezing in both C and F, they're impossible temperatures in K, and from a math standpoint they have a mean of approximately 2.7 ish, the median is -2, the mode is nonexistent, you don't have enough data points to do quartiles, the max is -1 and the min is -5. I hope this helpful