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brilliants [131]
3 years ago
14

F(x)=x^3−9x

Mathematics
2 answers:
Gala2k [10]3 years ago
8 0

Answer:[-4,-1]

Step-by-step explanation:

klio [65]3 years ago
3 0
i don’t know but you could prob use photo math. that would hell
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Explain what is meant by confounding. what is a lurking variable? what is a confounding variable?
miss Akunina [59]

Explain what is meant by confounding. what is a lurking variable? what is a confounding variable?

Answer:

A Confounding is the variable that is considered in a research study, and could overall influence the relations between the variables in the study. For example, students wanting to join AP English next semester were told to write a six page essay. When the students turned in their papers and teachers say the difference and grades they believed that the variable was the time that the students handed in the paper. They thought that if the student handed in their paper later than another student that they would receive a lower score, but this was not the case. When asking the students how they prepared for the paper, students replied with different answers. Those who outlined and used other literature for reference scored much higher than those who only used prior knowledge to write their essays. In this study, the lurking variable would be the presence of an outline.

Lurking variable: A variable that is not considered in a research study that could influence the relations between the variables in the study

Confounding variable: A variable that is considered in a research study that could influence the relations between the variables in the study

To Know more about Confounding Variable

brainly.com/question/28481575

6 0
2 years ago
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Pls help I need a good grade
choli [55]

Answer:

-8

Step-by-step explanation:

-40/5=-8

6 0
3 years ago
There are 7 cars in an amusement park ride. There are 42 people divided equally among the 7 cars. An equal number of people ride
Helga [31]
6 people ride in each car

Explanation:
42 divided by 7 is 6. This means 42 people divided amongst 7 cars.
5 0
3 years ago
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What is the answer to 4(5x+8+3p)
il63 [147K]
To simplify this use the distributive property.

4(5x)= 20x
4(8)=32
4(3p)=12p

Your simplified answer is 
20x+12p+32
5 0
3 years ago
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Statements 1 and 2 are true conditional statements.
WARRIOR [948]

The valid conclusion about statement A and statement B is "If Figure A is a parallelogram, then Figure A’s angles sum to 360°".

The correct answer option is option D.

<h3>What is conditional statement?</h3>

A conditional statement can be defined a statement that is written in the form “If A then B,” where A and B are sentences.

For this conditional statement:

Sentence A is called the hypothesis

Sentence B is called the conclusion.

Hypothesis: This is an assumption taken to be true for the purpose of argument or investigation.

Conclusion: This is the proposition that follows as a necessary consequence of the premises in an argument or syllogism.

Hence, “If A then B” means that B must be true whenever A is true.

Therefore, if a figure is a parallelogram, then it is a quadrilateral; If a figure is a quadrilateral, then its angles sum to 360°.

It can be concluded that if a figure is a parallelogram, then it's angles must sum to 360°.

Read more on conditional statement:

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3 0
1 year ago
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