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Alecsey [184]
3 years ago
6

the coal utility company is burning coal to produce electricity. the following cost function illustrates the cost in dollars (C’

) of removing t% of the hazardous toxins generated from burning coal. What happens to the cost as t approaches 100? C=55,000t/100-t for 0
Mathematics
2 answers:
Kobotan [32]3 years ago
6 0

Answer:

Step-by-step explanation:

The cost continues to increase.

elena55 [62]3 years ago
3 0

Answer:

the cost contines to increase

e2020

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Complete question is;

Multiple-choice questions each have 5 possible answers, one of which is correct. Assume that you guess the answers to 5 such questions.

Use the multiplication rule to find the probability that the first four guesses are wrong and the fifth is correct. That is, find P(WWWWC), where C denotes a correct answer and W denotes a wrong answer.

P(WWWWC) =

Answer:

P(WWWWC) = 0.0819

Step-by-step explanation:

We are told that each question has 5 possible answers and only 1 is correct. Thus, the probability of getting the right answer in any question is =

(number of correct choices)/(total number of choices) = 1/5

Meanwhile,since only 1 of the possible answers is correct, then there will be 4 incorrect answers. Thus, the probability of choosing the wrong answer would be;

(number of incorrect choices)/(total number of choices) = 4/5

Now, we want to find the probability of getting the 1st 4 guesses wrong and the 5th one correct. To do this we will simply multiply the probabilities of each individual event by each other.

Thus;

P(WWWWC) = (4/5) × (4/5) × (4/5) × (4/5) × (1/5) = 256/3125 ≈ 0.0819

P(WWWWC) = 0.0819

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If angle symbol1 and angle symbol2 are complementary angles and if the measure of angle symbol1 is 5454degrees° more than the me
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<span>Complementary angles by definition sum up to 90 degrees.
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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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