Answer: First option.
Step-by-step explanation:
Given the equation , you need to substitute into this equation. Then:
Remember that the Addition property of equality states that:
Then, you can add "x" and 4 to both sides.
Therefore, you get the equation written in function notation, with "x" as the independent variable:
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Answer:
6 units
Step-by-step explanation:
X^2-12x-9=0
Add 9 to both sides
x^2-12x=9
Add (b/2)^2 to both sides
x^2-12x+36=45
Factor
(x-6)^2=45
So C is the answer
1 ) Billy walks 15 miles every day to soccer practice and he had 5 practices last week.
We know that, 1 mile = 1760 yards
So, 15 miles = (15× 1760) yards = 26400 yards
Thus the total distance walked in 5 practices will be:
2) Mark's current age is years
So, his age was in 10 years ago
Given that, his current age is 3 times his age 10 years ago.
So, the equation to represent this situation will be :