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dlinn [17]
3 years ago
11

Assignment

Mathematics
2 answers:
timurjin [86]3 years ago
8 0

Answer: 3x + (-4) = x + 2

Step-by-step explanation:

Hope it helps

eimsori [14]3 years ago
8 0

Answer:

3x + (–4) = x + 2

Step-by-step explanation:

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"M" would equal 6.6 repeated

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8. There are 10 balls in a bag numbered from 1 to 10. Three balls are selected at random without replacement.
PIT_PIT [208]

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a. 720

b. 0.3

Step-by-step explanation:

a.

Three balls are selected at random without replacement.

First ball can be selected in 10 ways

Second ball can be selected in 9 ways

Third ball can be selected in 8 ways

Thus, there are 10×9×8 =720 different ways of selecting three balls.

b.

There are three cases that satisfy this condition

  1. first ball picked is 5, the others are not
  2. first ball is not 5, second is 5, third is not
  3. first and second ball is not five, third ball is 5

Each probabilities are:

  1. \frac{1}{10} * \frac{9}{9} *\frac{8}{8} =\frac{1}{10}
  2. \frac{9}{10} *\frac{1}{9} *\frac{8}{8} =\frac{1}{10}
  3. \frac{9}{10} *\frac{8}{9} *\frac{1}{8} =\frac{1}{10}

Thus, one of the balls selected is the number 5 is then \frac{1}{10} + \frac{1}{10} + \frac{1}{10} = \frac{3}{10}

5 0
3 years ago
X2+4x+3 can someone explain ?
Katyanochek1 [597]

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Factor: (x+1) (x+3)

Step-by-step explanation:

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Compute the following.
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