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777dan777 [17]
3 years ago
14

For each of the following, decide whether the description fits the SD or the SE.

Mathematics
1 answer:
Anna71 [15]3 years ago
3 0
The answer is B because the quantity tends to stay the same as the sample goes up
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Determine if the following table represents a quadratic function.
snow_tiger [21]

Answer:

<em>The options are not visible enough (See Explanation)</em>

Step-by-step explanation:

Given

x:-  1   || 2   || 3   || 4   || 5

y:-  13 || 22 || 37 || 58 || 85

Required

Determine if the function is quadratic

Calculate the difference between the values of y

Difference = 22 - 13 = 9

Difference = 37 - 22 = 15

Difference = 58 - 37 = 21

Difference = 85 - 58 = 27

<em>The resulting difference are: 9 || 15 || 21 ||  27</em>

Next; Calculate the difference between the difference of values of y

Difference = 15 - 9 = 6

Difference = 21 - 15 = 6

Difference = 27 - 21 = 6

<em>The resulting difference are: 6 || 6 || 6</em>

<em>For the function to be quadratic, the above difference must be the same and since they are the same (6), then the function represents a quadratic function.</em>

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3 years ago
Angie has a collection of 145 stuffed animals. She gave 48 to her
Alekssandra [29.7K]
Angie will now have 100 stuffed animals
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Shanna is planning a trip from Dallas, Texas, to San Diego, California. She knows that the distance she will travel is
enot [183]

Answer:

4.67 inches

Step-by-step explanation:

Shanna is planning a trip from Dallas, Texas, to San Diego, California.

She will travel about = 1,400 miles

The scale of a map is 300 miles = 1 inches

The trip of 1,400 miles = \frac{1400}{300}

                                    = 4.66666 inches ≈ 4.67 inches

Her trip is 4.67 inches far on the map.

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The ratio of the sales tax to the amount of a purchase is a fixed number in Town Q. The table shows the sales tax for a purchase
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