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Solnce55 [7]
3 years ago
7

Evaluate the expression for the given value of the variable |b|+b³;b=-2

Mathematics
1 answer:
erastova [34]3 years ago
4 0

|b| + b^3; b = -2

  • Substitute -2 for b.

|(-2)| + (-2)^3

  • Solve exponents first.

|(-2)| + (-8)

  • |(-2)| is the same as positive 2 since it is the absolute value.
  • Rewrite the expression.

2 + (-8)

  • Solve.
<h3>-6 is your answer.</h3>
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It has been estimated that 72.7% of alcoholics need professional help to stop drinking. What is the probability that a random al
Svetradugi [14.3K]

The probability that a random alcoholic can kick the habit without professional help is 0.273 .

<h3>What is Probability ?</h3>

Probability is the study of likeliness of an event to happen.

It has a range of 0 to 1 , where 0 indicates uncertainty and 1 indicates certainty.

It is given that

The alcoholics that need professional help to stop drinking is 72.7 %

Therefore the probability of this is 72.7 /100 = 0.727

The probability that they will not need professional help is given by

q = 1 - p

q = 1 -0.727

q = 0.273

Therefore the probability that a random alcoholic can kick the habit without professional help is 0.273 .

To know more about Probability

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5 0
2 years ago
-2(x+4)=-2(x+4)-6 equations
Musya8 [376]
No solutions, I don’t think there’re any solutions
8 0
3 years ago
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Answer:

X =

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Step-by-step explanation:

8 0
3 years ago
What is the sum of x + 9?
vovikov84 [41]
So 30/48=15/(x+9)
this could be easily solved by recognizing the proportion (the other way is usiing full  algebra and doing multiply both sides by 48(x+9) and then divide both sides by 30 then subtract 9)
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therefor 48 is 2 times of (x+9)
48=2 times (x+9)
divide both sides by 2
24=x+9
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x=15

5 0
3 years ago
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Answer:

19

Step-by-step explanation:

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3 years ago
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