The dependent variable would be b (affected by the change of n) and the independent variable would be n (affects b). The equation would be
b = 12n.
<h2>
Perfect Squares</h2>
Perfect square formula/rules:
Trinomials are often organized like
.
The <em>b</em> value in this case is <em>c</em>, and it will always equal the square of half of the <em>b</em> value.
- Perfect square trinomial:
![ax^2+bx+(\dfrac{b}{2})^2](https://tex.z-dn.net/?f=ax%5E2%2Bbx%2B%28%5Cdfrac%7Bb%7D%7B2%7D%29%5E2)
- or
![ax^2-bx+(\dfrac{b}{2})^2](https://tex.z-dn.net/?f=ax%5E2-bx%2B%28%5Cdfrac%7Bb%7D%7B2%7D%29%5E2)
<h2>Solving the Question</h2>
We're given:
In a trinomial, we're given the
and
values. <em>a</em> in this case is 1 and <em>b</em> in this case is 4. To find the third value by dividing 4 by 2 and squaring the quotient:
Therefore, the term that we can add is + 4.
![c^2-4c+4](https://tex.z-dn.net/?f=c%5E2-4c%2B4)
To write this as the square of a bracketed expression, we can follow the rule
:
![(c-2)^2](https://tex.z-dn.net/?f=%28c-2%29%5E2)
<h2>Answer</h2>
![c^2-4c+4](https://tex.z-dn.net/?f=c%5E2-4c%2B4)
![(c-2)^2](https://tex.z-dn.net/?f=%28c-2%29%5E2)
The value of k is 400 points.
If the player fails to complete 100 tasks, then they lost 200 points. At the end of the game, they had 200 points.
We can write and solve the following equation to determine where they started.
x - 200 = 200
x = 400
Answer:
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2 minutes = 1.20 dollars for price of sundae.in 4 hours how many minutes are there?=> 60 * 4 hours = 240 minutes => 240 / 2minutes per sundae = 120 minutes => 120 * 1.20 = 144 dollars in 4 hoursOr 72 dollars in 2 hours