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kari74 [83]
3 years ago
15

Jennifer is taking a four question multiple choice test. Each question has four possible answers. If she completely guesses on a

ll of the questions, what is the probability that she gets two of the four questions correct?
A) 0.004 B) 0.047 C) 0.106 D) 0.211
Mathematics
1 answer:
Archy [21]3 years ago
4 0
The answer to this question would be "0.047 or B". This is because that is almost half of the test, and there's a lot of factors that vary. Such as the weight of the test, what answers she chose, etc. But it is B.
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The quotient of the sum of 2t and 2, twice the cube of s
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Answer: \frac{2t+2}{2s^3}

Step-by-step explanation:

Since you did not indicate what you need to do, I assume that you have to write an expression using the sentence given in the problem.

In order to solve this exercise, it is importat to remember the following information:

1. The quotient is the result of a division.

2. The sum is the result of an addition.

3. The word "twice" indicates a multiplicatio by 2.

4. The word "cube" indicates an exponent 3.

Then, keeping on mind the explained above and the data given in the exercise, you know that:

-The sum of 2t and 2 can be expressed as:

2t+2

- Twice the cube of s can be expressed in the following form:

2s^3

Therefore, you can dermine that "the quotient of the sum of  2t and 2 and twice the cube of s" is represented with the following expression:

\frac{2t+2}{2s^3}

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