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DerKrebs [107]
3 years ago
7

Write and equation with aa variable on both sides of the equal sign that has infinitely many solutions. solve the equation and e

xplain why it has an infinite number of solutions.
Mathematics
1 answer:
LekaFEV [45]3 years ago
8 0
X = x

to solve, subtract both sides by x:

0 = 0

x is always equals to x so infinite solutions
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A number and it's absolute value are equal. If you subtract 2 from the number, the new number and it's absolute value are not eq
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Probability The average time between incoming calls at a switchboard is 3 minutes.if a call has just come in,the probability tha
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Answer:

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Step-by-step explanation:

The probability that the next call come within the next t minutes is:

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According to this model,

a) the probability that a call in comes within 1/2 minutes is p(t) = 1 -e ^{- (1/2)/3} =0.1535

b) the probability that a call in comes within 2 minutes is  p(t) = 1 -e ^{-2/3} =0.4866

c) the probability that a call in comes within 5 minutes is  p(t) = 1 -e ^{-5/3} =0.8111

6 0
3 years ago
What do calculators use to show scientific notation
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Answer:

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7 0
3 years ago
Read 2 more answers
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shusha [124]

The probability that both items will be Harry Potter themed is 1/8.

<u>Step-by-step explanation:</u>

Total Number of pajama pants n(P) =8

Total number of slippers n(S)= 3

Number of Harry Potter themed Pajama pants n(H.P)=3

Number of Harry Potter themed slippers n(H.S)=1

We have to determine the probability of selecting pants and slippers that are both Harry Potter themed.

If two events A and B are independent, then the probability of A and B is given by

P(A and B)=P(A)*P(B)

Here the events selecting Harry potter themed pants and selecting harry Potter themed slippers are independent.

P(Harry\ Potter\ pants)=\frac{n(H.P)}{n(P)}

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P(Harry\ Potter\ slippers)=\frac{n(H.S)}{n(S)} \\                                         =1/3

P(Harry\ Potter\ pants\ and\ Harry\ Potter\ slippers)=P(Harry Potter pants)\times P(Harry potter slippers)

=\frac{3}{8}\times  \frac{1}{3} =\frac{1}{8}

Hence probability of selecting Harry potter themed pants and Harry potter themed slippers is 1/8

3 0
3 years ago
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