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Lisa [10]
3 years ago
10

Sara bought shoes for $39.95 and x pairs of socks for $1.99 each. Which expression shows the total money spent? (5 points)

Mathematics
2 answers:
____ [38]3 years ago
6 0
Is it $39,95 + 1.99x.  The first part is the initial cost, and the second part the added cost that depends on how much the Sara buys.
Strike441 [17]3 years ago
3 0

Answer:

39.95 + 1.99x Option D.

Step-by-step explanation:

Sara bought shoes costs = $39.95

and x pairs of socks costs = $1.99 each

To calculate the total money that Sara spent we will multiply x by $1.99 and add it to the cost of shoes that is $39.95.

the expression will be

39.95 + 1.99x

Option D will be the answer.

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Using correlation coefficients, it is found that that the correct option is given as follows:

The correlation would stay the same because the change in units for time would have no effect on it.

<h3>What is a correlation coefficient?</h3>
  • It is an index that measures correlation between two variables, assuming values between -1 and 1.
  • If it is positive, the relation is positive, that is, they are direct proportional. If it is negative, they are inverse proportional.
  • If the absolute value of the correlation coefficient is greater than 0.6, the relationship is strong.

The correlation coefficient does not have units, hence if the units of the measures is changed, the coefficient remains constant, which means that the correct option is given by:

The correlation would stay the same because the change in units for time would have no effect on it.

More can be learned about correlation coefficients at brainly.com/question/25815006

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Can u help me step by step need to fill in the blanks
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-18a+17b is the answer because you multiply by -1 to each
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