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Charra [1.4K]
3 years ago
6

Two urns contain white balls and yellow balls the first urn contains 9 white balls and 9 yellow balls and the second urn contain

s 8 white balls and 3 yellow balls. A ball is drawn at random from each urn. What is the probability that both balls are white?
A. 4/11
B. 17/29
C. 1/72
D. 17/198
Mathematics
2 answers:
Kruka [31]3 years ago
8 0
The answer is B 17/29
Lubov Fominskaja [6]3 years ago
5 0

Answer:

B. 17/29 because it's the white balls added together and the total so 17/29

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The expression n2 + n represents the total number of blocks used in the nth figure of a pattern. Use the equation n2 + n = 56 to
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We have to solve this quadratic equation n^{2}+n=56 for n to get <em>which figure has 56 blocks</em>.

n^{2}+n=56\\n^{2}+n-56=0

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<u><em>"There is no negative figure number possible, so we disregard -8"</em></u>

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ANSWER: The 7th figure has 56 blocks.


3 0
3 years ago
Read 2 more answers
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