Question and answer
a solution to the equation x2 – 9x – 22 = 0?
Question
Asked 9/7/2013 6:58:44 AM
Updated 6/3/2014 10:42:39 PM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by yeswey [6/3/2014 10:42:09 PM]
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Original conversation
User: a solution to the equation x2 – 9x – 22 = 0?

Weegy: solution for x2 + 9x = -7 x11 = -7 therefore: x= -7/11
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User: A surveyor wants to calculate the height of a certain tree, which is casting a shadow that is 18 feet long. If a nearby tree, which she knows is 9 feet tall, is casting a 12-foot shadow, which of the following equations can be used to calculate the height of the first tree? 1. 2. 3. 4. 5. 18 + x = 12 + 9

Weegy: The equation can be 9:12 = n: 18. The height of the first tree would be 13.5.
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Weegy: Please clarify the coordinates you have given. There are errors for the special characters you used and that we are not able to read it clearly.
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Question
Asked 9/7/2013 6:58:44 AM
Updated 6/3/2014 10:42:39 PM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by yeswey [6/3/2014 10:42:09 PM]
New answers
Rating
3
x^2 – 9x – 22 = 0
(x - 11)(x + 2) = 0
x - 11 = 0 or x + 2 = 0
x = 11 or x = -2
Added 6/3/2014 10:42:39 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [6/3/2014 10:58:00 PM]
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