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Andrej [43]
3 years ago
5

Help on this please show my work ?

Mathematics
1 answer:
Mandarinka [93]3 years ago
5 0
Factor the denominator
x^2+3x-10
(x+5)(x-2)

(x-2)/((x+5)(x-2))

The x-2 in the numerator and denominator cancel out.

Final answer: x+5
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A reporter for a student newspaper is writing an article on the cost of off-campus housing. A sample was selected of 10 one-bedr
olga55 [171]

Answer:

(507.05, 592.95)

Step-by-step explanation:

Given data:

sample mean = $550, sample standard deviation S = $60.05

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For 95% confidence interval for the mean

mean ± M.E.

where M.E. is margin of error = t_{n-1}, \alpha/2\times\frac{S}{\sqrt{n} }

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= 2.62×18.99

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= 550±42.95

=(507.05, 592.95)

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3 years ago
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yanalaym [24]
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8 0
3 years ago
255,250,245,... Find the 40th term.
Brut [27]
An=-5n+260
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(Hope this helped!!)
5 0
2 years ago
Which relation is also a function?
slavikrds [6]

Answer:

Hi san, A relation from a set X to a set Y is called a function if each element of X is related to exactly one element in Y. That is, given an element x in X, there is only one element in Y that x is related to. For example, consider the following sets X and Y.

This should help you a bit.

6 0
3 years ago
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