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const2013 [10]
2 years ago
10

Reciprocate 1 9/11 plz​

Mathematics
1 answer:
s344n2d4d5 [400]2 years ago
3 0

Answer:

11/20

Step-by-step explanation:

\text{First, multiply 1 times 11, and then add the numerator. We have}\\\\\frac{1\cdot11+9}{11}=\frac{20}{11}\\\\\text{Then, reciprocal is just switching the numerator + denenomanator, so we have } \frac{11}{20}

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We roll a fair die repeatedly until we see the number four appear and then we stop. The outcome of the experiment is the number
muminat

Answer:

0

Step-by-step explanation:

given that we roll a fair die repeatedly until we see the number four appear and then we stop.

the number 4 can appear either in I throw, or II throw or .... indefinitely

So X = the no of throws can be from 1 to infinity

This is a discrete distribution countable.

Sample space= {1,2,.....}

b) Prob ( 4 never appears) = Prob (any other number appears in all throws)

= \frac{5}{6} *\frac{5}{6} *\frac{5}{6} *\frac{5}{6} *...\\=(\frac{5}{6} )^n

where n is the number of throws

As n tends to infinity, this becomes 0 because 5/6 is less than 1.

Hence this probability is approximately 0

Or definitely 4 will appear atleast once.

8 0
3 years ago
What's the answer for <br> x/2-5=3
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I use Tiger Algebra for help and it gives me all the correct work and answers as i need them!! TRY USING IT TODAY!!!!! 
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ivann1987 [24]

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Step-by-step explanation:

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3 years ago
Evaluate 5x3 - 21 + 7 when x = -2.
Sliva [168]

Answer:

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8 0
3 years ago
Read 2 more answers
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8 0
3 years ago
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