Solve the equation. x2 + 8x − 9 = 0 A) x = 1 B) x = 9 C) x = 9 or x = −1 D) x = −9 or x = 1
2 answers:
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You should expect 5. There is one grey marble out of 9 total, and that can be expressed as 1/9. Since you repeat it 45 times, it's 1/9 45 times, or 1/9(45).
1*45 is 45
9*1 is 9.
45/9 is 5.
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1*45 is 45
9*1 is 9.
45/9 is 5.
<em></em>
<em></em><em>Be sure to choose which answer is Brainliest!</em>