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ella [17]
3 years ago
7

Triangle XYZ is an isósceles. angle Y measures a°. what expression represents the measure of angle X?

Mathematics
2 answers:
Sever21 [200]3 years ago
8 0
The answer is D I hope it is right
Korolek [52]3 years ago
8 0

It is D 180-2a for sure. :)

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What is the product of (x − 7)(2x² – 5x<br> -<br> 3<br> + 3)?
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Answer:

2x³-5x-14x²+35

Step-by-step explanation:

this is the simplified version/answer

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Read 2 more answers
How much of the garage foot is white
Ket [755]
All you do is multiply 15 and 6 you get 90. then divide 90 by 9 and you get 10.
4 0
3 years ago
Suppose a bag contains 4 white chips and 6 black chips. What is the probability of randomly choosing a white chip, not replacing
Marysya12 [62]
There are 10 chips altogether. 4 of them are white.
4/10 is the chance of lifting out a white chip
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4/10 * 3/9
12/90
4/30
2/15

Comment
(my edit) it is not that 2/15 is wrong (although it is not entirely right).
1/3 is the correct answer if you assume that what happened during the first draw has nothing to do with what will happen on the second. It is like saying if you throw 11 heads in a row with a fair coin, what are the chances of throwing a heads on the 12th throw? The answer is 1/2. That is the same kind of question you have asked.

The two of us who have responded have really responded to what are the chances of drawing 2 white chips. The question really does not restrict us in a way that prevents us from saying that. I'll stick with
B <<<< answer
but I think it would be nice if the writer of the question made it clear that 1/3 should be the proper answer. I am glad you came back and posted the right answer. It makes me think. 

The semi right answer is B <<<<---- 

If my reasoning bothers anybody, I'll reedit again. I'm only leaving it because sometimes a mistake is more instructive than a given answer.
5 0
3 years ago
Read 2 more answers
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