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Ganezh [65]
3 years ago
10

Find any points of discontinuity for the rational function... y=x-3/x^2-3x-10

Mathematics
1 answer:
vlabodo [156]3 years ago
5 0

Answer:

x = -2 or 5

Step-by-step explanation:

y = (x-3)/((x-5)(x+2))

y is undefined when the denominator is zero.

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In a random sample of fivefive microwave​ ovens, the mean repair cost was ​$75.0075.00 and the standard deviation was ​$13.0013.
Radda [10]
<h2>Answer with explanation:</h2>

As per given , we have

Sample size : n= 5

Degree pf freedom = : df= 5-1=4

\mu=\$75.00

\sigma=\$13.00

Significance level for 90% confidence = \alpha=1-0.90=0.1

Using t-value table , t-critical value for 90% confidence:

t_{\alpha/2, df}=t_{0.05, 4}=2.132.

Margin of error of \mu: E=t_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}\\\\(2.132)\dfrac{13}{\sqrt{5}}=12.3949720129\approx12.39

Interpretation : The repair cost will be within $12.39 of the real population mean value \mu 90% of the time.

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3 years ago
True or false. This transformation is a dilation
irga5000 [103]

true transformation is a dilation


8 0
3 years ago
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Marcus, Shaun, and Tristan each invested into new business. They invested 1 point
Schach [20]

Shaun invested $176,250 into the new business.

Marcus invested half of the $940,000 so the amount that Shaun and Tristan invested is:

= 940,000 / 2

= $470,000

Shaun and Tristan invested in the ratio 3:5.

The amount that Shaun invested is:

<em>= (Ratio of Shaun / Sum of the ratios) x Amount both invested </em>

= (3 / (3 + 5 )) x 470,000

= 3/8 x 470,000

= $176,250

In conclusion, Shaun must have invested $176,250 into the business.

<em>Find out more at brainly.com/question/771006.</em>

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The class must raise more than $150 to go on a field trip. they have collected $60. write an inequality to represent the amount
Mazyrski [523]
M>$150-$60!!!!!!!!!!
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in a classroom 1/6 of the students are wearing blue shirts, ans 2/3 are wearing white shirts. There ade 36 students in the class
castortr0y [4]
56 should be correct
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