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Elina [12.6K]
3 years ago
9

Which graph shows the solution set of x^2+9x+20/x^2-x-20>0

Mathematics
2 answers:
Alja [10]3 years ago
3 0

Answer:

The answer on Edg. is B, (it has a closed circle at -5 with an arrow pointing to the left, and it has an open circle at 5 going to the right) . Hope this helps good luck!

damaskus [11]3 years ago
3 0

Answer:

B or the second choice on Edgenuity.

Step-by-step explanation:

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Dominik [7]

Answer: B

Step-by-step explanation:

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3 years ago
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Select the number of solutions for each system of two linear equations.
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the difference between a small integar is 28 . the large integar is 3 times as great as the small . what is the small integar ?
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3 years ago
A simple random sample of 144 observations was taken from a large population. The sample mean and the standard deviation were de
Vera_Pavlovna [14]

Answer:

The standard error of mean = 10

Step-by-step explanation:

Given a simple sample of 144 observations was taken from a large population.

The size of large sample 'n' = 144

Given sample mean and the standard deviation were determined to be 1234 and 120 respectively.

Given standard deviation of sample (S)  = 120

The standard error of mean is determined by

                                                SE (X^{-} ) = \frac{S.D}{\sqrt{n} }

                                              SE (X^{-} ) = \frac{120}{\sqrt{144} } = 10

<u>Final answer</u>:-

The standard error of mean = 10

4 0
3 years ago
Which of the following is an arithmetic sequence with common difference –5?
Vlad [161]

The arithmetic sequence that has a common difference of -5 from the options given is: A. 8, 3, -2, -7...

<h3>What is the Common Difference of an Arithmetic Sequence?</h3>

The common difference of an arithmetic sequence is determined as: a term - previous term.

For the sequence, 8, 3, -2, -7,.. the common difference is:

-7 - 2 = -2 - 3 = 3 - 8 = -5.

Therefore, the arithmetic sequence with a common difference of -5 is: A. 8, 3, -2, -7...

Learn more about common difference on:

brainly.com/question/503167

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7 0
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