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tia_tia [17]
3 years ago
15

Which expression represents the probability of rolling a 5 exactly three times in ten rolls of a number cube with six sides?

Mathematics
2 answers:
natita [175]3 years ago
8 0
I'm not sure what the options are as this appears to be a multiple choice question, but this probability is as follows:
P(X=3)={10\choose3}(\frac{1}{6})^3(\frac{5}{6})^7
scoray [572]3 years ago
4 0

Answer:

c

Step-by-step explanation:

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MrRa [10]

Yes it is because it has no square factors.

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Winston has $200. He spends 20% of his money on a pair of shoes. how much money did he spend on the pairs of shoes?
masha68 [24]

Answer:

$40

Step-by-step explanation:

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2 years ago
A theater can seat 273 people. The number of rows is 8 less than the number of seats in each row. How many rows of seats are the
artcher [175]
R * s = 273
r = s - 8.....s = r + 8

r(r + 8) = 273
r^2 + 8r = 273
r^2 + 8r - 273 = 0
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r - 13 = 0
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r = -21.....extraneous solution...not ur answer

r = 13
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so there are 13 rows.....each row containing 21 seats



3 0
3 years ago
If we multiply a positive and a negative number, is the result positive or<br> negative?
Marina86 [1]

Answer:

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Step-by-step explanation:

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