Answer:
because in first expressions they common out x and y and then it get cancel out
Step-by-step explanation:
See answer in above picture
The answer to this problem is 24.
Answer: -5x^2y^4
Explanation: the only change you are able to make is the subtraction of 7 from 2 which gives -5 because you cannot subtract the x^2y^4 from x^2y^4 since it's multiplied by something else for each time it appears
Hope this helped! If it's wrong, I apologize :((
He started with 3.
3 X 3 = 9.
9 - 5 = 4.
4 X 4 = 16.
16 - 7 = 9.
9 divided by 3 = 3.
3 + 6 = 9.
Answer:
2.5
Step-by-step explanation:
E(x) = sum[x + p(x)]
= (0)(0.05) + (1)(0.1) + (2)(0.3) + (3)(0.4) + (4)(0.15)
= 2.5