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MysteryDove12
16.07.2020 •
Mathematics
A die is rolled 7 times. Find the probability P(of exactly 5 occurrences of 5). a. 0.09% c. 0.08% b. 3.04% d. 0.19%
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Ответ:
I believe it might be d but I'm not sure, sorry hope I could help
Ответ:
a^2-b^2=(a+b)(a-b) where a=4x and b=5. (4x+5)(4x-5)
Step-by-step explanation:
Since both terms are perfect squares,factor using the difference of squares formula