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Llana [10]
3 years ago
10

Find the mean of this set of numbers. 7, –9, 6, –10, –13, –5

Mathematics
1 answer:
ivann1987 [24]3 years ago
5 0
7+(-9)+6+(-10)+(-13)+(-5)=
7-9+6-10-13-5=
-24

mean is the sum of all the numbers divided by the total number of numbers within the data.

-24÷6=-4

The mean is -4.
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Every month, a company increases its sales by twice the previous month. The company experienced 23 sales in January, 46 sales in
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23, 46, 92, 184, 368, 736, 1472, 2944, 5888.

The company will have 5888 sales.
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3 years ago
It took Fran 1.8 hours to drive to her​ mother's house on Saturday morning. On her return trip on Sunday ​night, traffic was​ he
cupoosta [38]

Answer:

  54 mph

Step-by-step explanation:

Let s represent the slower speed. The product of speed and time is distance, which did not change between the two trips. So, we have ...

  1.8(s +6) = 2(s)

  10.8 = 0.2s . . . . eliminate parentheses, subtract 1.8s

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Fran's average speed on Sunday was 54 miles per hour.

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Her trip was 108 miles long.

7 0
3 years ago
An airplane left Miami, FL. At the same time another plane left Santiago, Chile. The two planes flew toward each other at rates
Nina [5.8K]
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Therefore, the answer should be from 23-25 hours to arrive or if looking for middle number, 24 hours exactly.

Hope this helps.
7 0
3 years ago
Which of the following statements does not describe a characteristic of the line of best fit for a scatter plot?
stira [4]

A statement which does not describe a characteristic of the line of best fit for a scatter plot is that: A. the line of best fit should be the average of all the data points.

<h3>What is a scatter plot?</h3>

A scatter plot can be defined as a type of graph which is used for the graphical representation of the values of two variables, with the resulting points showing any association (correlation) between the data set.

<h3>What is a line of best fit?</h3>

A line of best fit is also referred to as a trend line and it can be defined as a statistical (analytical) tool that is used in conjunction with a scatter plot, in order to determine whether or not there's any correlation between a data.

<h3>The characteristics of a line of best fit.</h3>

The statements which describe a characteristic of the line of best fit for a scatter plot include the following:

  • The line should be as close to the points as possible.
  • The number of points above the line should be equal to the number of points below the line.
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Read more on scatterplot here: brainly.com/question/6592115

#SPJ1

7 0
1 year ago
Planes S and R both intersect plane T .
neonofarm [45]
<h2>[A] Plane S contains points B and E.</h2>

False

As indicated in Figure A below, Plane S contains only point B (remarked in red). Point E (remarked in blue) lies on plane R.

<h2>[B] The line containing points A and B lies entirely in plane T.</h2>

True

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<h2>[C] Line v intersects lines x and y at the same point.</h2>

False

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<h2>[D] Line z intersects plane S at point C.</h2>

True

As indicated in Figure D below, line z that has been remarked in yellow, intersects plane S at point C that has been remarked in blue.

<h2>[E]  Planes R and T intersect at line y.</h2>

True

As indicated in Figure E below, planes R and T intersect at line y. The line of intersection has been remarked in red.

7 0
3 years ago
Read 2 more answers
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