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just olya [345]
3 years ago
10

Help please ???i really don't know this one

Mathematics
1 answer:
Andru [333]3 years ago
8 0
What grade are you in
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almond37 [142]

Answer:

2

x

2

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Step-by-step explanation:

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2 years ago
True or false: the standard deviation of a set of data values is never a negative number
Anestetic [448]
True I think !! Not to sure
8 0
3 years ago
Does anyone know this?
lakkis [162]

Answer:

obtuse scalene

Step-by-step explanation:

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Cost of a New Car From 1970 to 1990, the average cost of a new car, C
Lunna [17]

Answer:

In year 1986 the average  cost of car is  $12,000

Step-by-step explanation:

Cost function:

C = 30.5t² + 4192

Cost = $12,000

Find:

Year

Computation:

C = 30.5t² + 4192

12,000 = 30.5t² + 4192

t = 16 year

So,

Year 1970 + 16 year

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So, In year 1986 the average  cost of car is  $12,000

3 0
3 years ago
The scatter plot shows the relationship between the test scores of a group of students and the number of hours they spend on soc
Rasek [7]
Hi there!

Part A: Those groups of points that are circled and labeled A are called a correlation. In this case, the group of points represent negative correlation. The point that is labelled B is called an outlier, because it falls outside of the range of the other points. Point B may have been present like that, because while a person may spend a lot of time on social media, they might have understood the information very fast, or maybe they studied a bit on a different occasion.

Part B: Going back to part A, the graph represents a negative correlation. In this case, the more time spent on social media, the lower the test scores.
7 0
3 years ago
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