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KonstantinChe [14]

3 years ago

5

Alaska has a land area of about 1,700,000 km2. florida has a land area 1/10 the size of alaska. what is the la nd area of florid

a? explain how you found your answer. please help me??!!!!!!!!!

1 answer:

AlekseyPX3 years ago

7 0

All you have to do is multiply 1,700,000 by .1 or you could divide 1,700,000 by 10 if you prefer that. The answer would be 170,000.

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Which of the following demonstrates how the 20 is calculated using the combination pattern

UNO [17]

The combination expression that demonstrates how the 20 is calculated using the combination pattern is 6C3

<h3>Permutation and Combination</h3>

While combination has to do with selection, permutation has to do with arrangement.

According to the combination rule

nCr = n!/(n-r)!r!

The expression that gives the result of 20 is expressed below;

6C3 = 6!/(6-3)!3!

6C3 = 6!/3!3!

6C3 = 6!/6*6
6C3 = 720/36
6C3 =20

Hence the combination expression that demonstrates how the 20 is calculated using the combination pattern is 6C3

Learn more on combination here: brainly.com/question/4658834

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Is (4,-2), (1,-1), (0,0), (1,1), (4,2) a function?

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4 years ago

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Hey there,

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Question 4#

The last one was kind of tricky. But, as I saw this attachment, I noticed on how the rectangle was actually 3/4 on the base and for the height, it was 1/2. So by doing this,we need to find the area, and we would multiply these both. 1/2 x 3/4 = 3/8 but by looking at your options, those are not simplified so . . .your answer would be 6/16 because 3x2=6 & 8x2=16.
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4 years ago

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A.
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3 years ago

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A quiz in statistics course has four multiple-choice questions, each with five possible answers. A passing grade is three or mor

nekit [7.7K]

Answer:

a) 0.0016

b) 0.0224

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If every question has 5 possible answers, the probability of getting the correct answer by guessing would be 0.20. The probability of getting an incorrect answer would be 0.80.

a)Find the probability she lucks out and answers all four questions correctly.

To do this, Allison would have to guess right the first, second, third AND fourth answers. Therefore, we have to multiply the probabilities:

0.20 x 0.20 x 0.20 x 0.20 = 0.0016

The probability that she answers all 4 questions correctly is 0.0016.

b) Find the probability that she passes the quiz.

To pass the quiz, she has to have three OR 4 correct answers:

The probability that she has 3 correct answers is: 0.20 x 0.20 x 0.20 x 0.80 (since she has to have 1 correct answer and 1 incorrect one) = .0064.
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3 years ago