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Gemiola [76]
3 years ago
7

Evaluate the expression. ║4/13║

Mathematics
2 answers:
NNADVOKAT [17]3 years ago
7 0

Answer:

4/13

Step-by-step explanation:

In absolute value, it is showing distance. Whenever something is in absolute value, it is turned positive.

here, Inside the absolute value brackets, we have positive 4/13. Positive 4/13 undergoes no such change, because there are no other terms, and no negatives.

absolute value of 4/13 is 4/13

anastassius [24]3 years ago
6 0

Answer:

\frac{4}{13}

Step-by-step explanation:

those lines around the equation mean that the answer is always positive, this is called absolute value

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Answer:(-6,24) and (2,c8)

Step-by-step explanation:

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3 years ago
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tensa zangetsu [6.8K]

Answer:

y=-2x+12

Step-by-step explanation:

This is an equation in slope-intercept form:

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3 0
3 years ago
A researcher is 95% confident that the interval from 5.2 hours to 7.8 hours captures u = the true mean amount of time
igor_vitrenko [27]
<h3>Answer: Choice B</h3>

No, this is not a plausible value for the population mean, because 5 is not within the 95% confidence interval.

====================================================

Explanation:

The greek letter mu is the population mean. It has the symbol \mu which looks like the letter 'u' but with a tail at the front or left side.

The question is asking if mu = 5 is plausible if the researcher found the 95% confidence interval to be 5.2 < mu < 7.8

We see that 5 is <u>not</u> in that interval. It's a bit to the left of 5.2

Since mu = 5 is not in the interval, it's not a plausible value for the population mean.

Have we ruled it out with 100% confidence? No. Such a thing is not possible. There's always room for (slight) error. The researcher would need to do a census to be fully confident; however, such practices are very time consuming and expensive. This is the main reason why statistics is important to try to estimate the population with a sample.

8 0
2 years ago
Click and drag like terms onto each other to simplify fully. 1+x^2-3+2y+7x^2+3+3y
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Answer:

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Step-by-step explanation:

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add similar items

= 8x^2 + 2y + 3y + 1 - 3 + 3

add similar items

= 8x^2 + 5y + 1 - 3 + 3

= 8x^2 + 5y + 1

6 0
3 years ago
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kifflom [539]
The answer is f when 2,3 is put in for the x and y then 18 should come out 3×2=6
4×3=12 12+6=18
7 0
3 years ago
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