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natulia [17]
3 years ago
10

Simplify (2^3)^-2 A. -1/64 B. 1/64 C. 2 D. 64

Mathematics
2 answers:
shepuryov [24]3 years ago
4 0

Answer:

B, 1/64

Step-by-step explanation:

2^{3} = 8

8^{-2} = \frac{1}{8^2} = \frac{1}{64}

Radda [10]3 years ago
3 0

Answer:

B. 1/64

Step-by-step explanation:

Got it right on the assignment

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Craig Campanella and Edie Hall both have night jobs. Craig has every thirteenth night and Edie has every Fifth night off. How of
Andrews [41]

Craig has every 13th night and Edie has every 5th night off.

You have to find LCM - the Least Common Multiple that is the smallest ("least") number that both 13 and 5 will divide into.

Since numbers 13 and 5 are both prime, then LCM(13,5)=13·5=65.

This means, they will have the same every 65th night off.  

6 0
3 years ago
Using the formula below or Excel, find the correlation coefficient, r, for this set of scores. Answer choices are rounded to the
RideAnS [48]

The correlation coefficient measures the relationship between the two variables

The correlation coefficient is 0.234

<h3>How to determine the correlation coefficient</h3>

The formula of correlation coefficient is:

r = \frac{1}{n - 1} * \sum{(\frac{x - \bar x}{\sigma_x})*(\frac{y - \bar y}{\sigma_y})

Using the dataset from the complete question, we have:

r = \frac{1}{5 - 1} * 0.9375

Evaluate the difference

r = \frac{1}{4} * 0.9375

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Approximate

r = 0.234

Hence, the correlation coefficient is 0.234

Read more about correlation coefficient at:

brainly.com/question/4219149

3 0
2 years ago
Use the​ four-step method in problem-solving to solve the problem.
svp [43]

Answer:

A. $56,182

Step-by-step explanation:

$3131 x 14= $43834

$882 x 14= $12348

$43834 + $12348= $56,182

$56,182 x 1=  $56,182

7 0
3 years ago
Jill paid $4 for a sandwich. She now has $25. With how much did money did she start
Alexxandr [17]

Answer:

29

Step-by-step explanation:

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you take the final amount and add what was taken to find the initial value

8 0
3 years ago
Read 2 more answers
Write the equation in the standard linear equation form (Ax+By=C) if possible. Is the equation linear? y/3+x=5
mojhsa [17]

Answer:

3x + y = 15

Step-by-step explanation:

y/3 + x = 5

You can first move the x and y variable around so it fits the standard linear equation format.

x + y/3 = 5

In order to make it look more like the standard format, you can multiply both sides of the equation by 3 to get rid of the 3 in the denominator of the y variable.  It would look like this:

3 ( x +y/3) = 3 ( 5 )

When you multiply this out, you get this:

3x + y = 15

8 0
3 years ago
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