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Tomtit [17]
2 years ago
6

Assume your friend just took an exam made up of 20 true/false questions. further assume that your friend had no knowledge releva

nt to the questions, and consequently just guessed the answer to each question what is the probability your friend will pass the exam?
Mathematics
1 answer:
leonid [27]2 years ago
8 0

Answer:

10/20 or 1/2 it is 50% chance that she pass and 50% that she fail

Step-by-step explanation:

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On a coordinate grid, in which quadrant is the (-5, 4) located?
Mila [183]
-5,4 would be in the quadrant 1<span />
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Which expression is equivalent to log Subscript c Baseline StartFraction x squared minus 1 Over 5 x EndFraction?
Harrizon [31]

The equivalent expression of \log_c(\frac{x^2 - 1}{5x}) is \log_c(x^2 - 1) - \log_c(5x)

<h3>How to determine the equivalent expression?</h3>

The logarithmic expression is given as:

\log_c(\frac{x^2 - 1}{5x})

The law of logarithm states that:

log(a) - log(b) = log(a/b)

This means that the expression can be split as:

\log_c(\frac{x^2 - 1}{5x}) = \log_c(x^2 - 1) - \log_c(5x)

Hence, the equivalent expression of \log_c(\frac{x^2 - 1}{5x}) is \log_c(x^2 - 1) - \log_c(5x)

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3 0
1 year ago
Light bulbs manufactured at a certain factory have a 3% probability of being defective. What is the probability that 5 out of a
Eddi Din [679]
There is a 3% chance of each light bulb being defective, and we only want 5 of them to be defective. The chance is then:

3\%^5*97\%^{25}

Or this really small number: 1.13474853e-8
5 0
3 years ago
Select all possible values for x that solve the equation x^2=800
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x^2 = 800. Take the square root of each side.

x = √(800) and -√(800)

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3 years ago
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