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3 years ago

Which number is a solution of the inequality 8 - 1/4 b > 27?

Mathematics

1 answer:

vodomira [7]3 years ago

5 0

Answer:

b< -76

Step-by-step explanation:

8 - 1/4 b > 27 ⇒ add -8 to both sides
-1/4b > 27 - 8
-1/4 b > 19 ⇒ multiply both sides by -4
b < - 4*19 ⇒ change inequality sing to opposite due to multiplication to negative number
b < - 76 ⇒ answer

Answer is any number smaller than -76

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Step-by-step explanation: Given that a bag of marbles contains 12 red marbles 8 blue marbles and 5 green marbles.

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Then, n(S) = 12 + 8 + 5 = 25.

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The, n(E) = 12, n(F) = 8 and n(G) = 5.

Therefore, the probabilities of each of these three events E, F and G will be

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Now, the probability of pulling three green marbles out with replacement is given by

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