Answers edited by Max G.
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Let x be a binomial random variable with n=10 and p=0.2
In how many possible outcomes are there exactly 8 successes?
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There are (n+1) white and (n+1) black balls each set numbered 1 to (n+1). The number of ways in which the balls can be arranged in a row so they the adjacent balls are of different colours is ?
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How do you rationalize the denominator of 1/(sqrt(2)+sqrt(3)+sqrt(5))?
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Two opposite sides of a parallelogram have lengths of 8 . If one corner of the parallelogram has an angle of pi/8 and the parallelogram's area is 12 , how long are the other two sides?
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Question #771c5
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How do you factor a^4+2a^2b^2+b^8?
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I know that it will be of the form 2C(x)=C(x/2), but I am still stuck to write the transformed function. Can anybody help?
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What is the period of f(t) = 3(sin(t-pi/4)-4)?
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How do you write (4sqrt(3)-4i)^22 in the form of a+bi?
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A parallelogram is determined by the vectors a = (-2,5) and b = (3,2). Determined the angles between the diagonals of the parallelogram?