Step-by-step explanation:
= 1/2x^2.12x^2 - 1/2x^2.4x + 1/2x^2.2
= 6x^4 - 2x^2 + x
Answer:

Step-by-step explanation:
Please consider the complete question.
What is the first step that you have to do in order to solve the proportion: one-third equals the fraction y over 26?
We can represent our given information in an equation as:

To solve our given equation, we need to cross multiply our equation as:

Therefore, the 1st step to solve the equation would be
.
Answer: She's wrong.
Step-by-step explanation:
Numbers of hours used in solving homework last week = 15
Numbers of hours used in solving homework this week = 18
Percentage increase = (18 - 15) / 15 × 100
= 3/15 × 100
= 1/5 × 100
= 20%
Since Maxie said that she spent 120% more time doing homework this week, she's wrong. She only spent 20% more.
Answer:
24
Step-by-step explanation:
:)
So 1/2 is 5/10 and 2/5 is 4/10 common denonominator is 10 ( i think )