Answer:
A. Scientific Notation
Step-by-step explanation:
Brainliest is appreciated, im one away :)
Answer: 9x+4=50
Step-by-step explanation:
In this case, we're looking at how many you can buy, not how many CD's you own.
Answer:
9 5/24
Step-by-step explanation:
Answer:
7
Step-by-step explanation:
Answer:
A) 18+81=9(x^2+6x+9)
D)11+(x+3)^2
Step-by-step explanation:
To solve this by completing the square, we want to get it to the form of: (x + 3)^2 = 9
There are multiple ways to get there.
First we could divide by 9 to get.
x^2 + 6x = 0
Then, add 9 to both sides to get:
x^2 + 6x + 9 = 9
Factor the left side:
(x + 3)^2 = 9
Now, you can solve this equation by completing the square.
(*I think you have a typo in your answer choices)
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