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Arte-miy333 [17]
3 years ago
13

Which equation has solution x = -3? *

Mathematics
1 answer:
Alex73 [517]3 years ago
8 0

Answer:

1/2(2x-6)= -6

Step-by-step explanation:

Multiply the two sides by the equation 2

2x-6=12

move the constant to the right hand side change sign

2x = -12 + 6

calculate the sum

2x= -6

Divide the 2 sides by 2

x= -3

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3 years ago
Suppose we have 3 cards identical in form except that both sides of the first card are colored red, both sides of the second car
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Answer:

probability that the other side is colored black if the upper side of the chosen card is colored red = 1/3

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Let B1 be the event that the card with two red sides is selected

Let B2 be the event that the

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Let B3 be the event that the card with one red side and one black side is

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Let A be the event that the upper side of the selected card (when put down on the ground)

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Now, from the question;

P(B3) = ⅓

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P(B3|A) = (1/6)/(1/2)

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