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harkovskaia [24]
3 years ago
15

(English to algebra) twice K is the same as three times k plus one

Mathematics
2 answers:
ryzh [129]3 years ago
7 0

2k = 3k + 1



BTW k = -1

In-s [12.5K]3 years ago
3 0

2k = 3k + 1

Subtract 3k from both sides

-k = -1

Divide by -1

k = 1

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The probability is 1/5 to get a red ball in 1st draw and a white ball in 2nd draw.

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

  • There are 1 red ball and 4 white balls in a box.
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The two balls are drawn without replacement.

<u>Drawing the first ball :</u>

The first draw should be a red ball.

The probability to get a red ball = No.of red balls / Total balls in the box.

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P(red ball) = 1/5

<u>Drawing the second ball :</u>

The second draw should be a white ball.

The probability to get white ball = No.of white balls / Total balls in the box.

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No. of white balls is 4.

The total balls in the box after the first draw will be 4 balls.

P(white ball) = 4/4

The probability of getting a red ball on the first drawn and a white ball on the second​ draw = P(red ball) × P(white ball)

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