4 years ago

Determine if the integral is converge or diverge:

Mathematics

1 answer:

Juliette [100K]4 years ago

8 0

Answer:

1 to 50

Step-by-step explanation:

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A bicycle wheel travels 267 in, for each revolution. What is the radius of the wheel?

miss Akunina [59]

So 26 π = perimeter, then
26 π = 2 π r; 13 π = π r; 13=r

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3 years ago

A real-estate company appraised the market value of 36 homes in Lyttelton and found that the sample mean and standard deviation

pantera1 [17]

Solution :

Sample size Sample mean Sample S.D.

Sample 1 $n_1=36$ $\bar{x}_1=150,000$ $s_1=17,000$

Sample 2 $n_2=45$ $\bar{x}_2=100,000$ $s_2=12,000$

$df = \frac{\left(\frac{s_1^2}{n_1}+\frac{s_2^2}{n_2}\right)^2}{\frac{1}{n_1-1}\left(\frac{s_1^2}{n_1}\right)^2+\frac{1}{n_2-1}\left(\frac{s_2^2}{n_2}\right)^2}$

= 60

Therefore, significance level, α = 0.1

Critical value, t* = 1.6706

So, the margin of error, $t^*=\sqrt{\frac{s_1^2}{n_1}+\frac{s_2^2}{n_2}}$

= 559.9896

Lower limit, $(\bar x_1-\bar x_2)-\text{(margin of error)}=44402.0104$

Upper limit, $(\bar x_1-\bar x_2)+\text{(margin of error)}=55597.9896$

Therefore 90% C.I. is (44402.0104, 55597.9896) or $44402.0104 < \mu_1 - \mu_2 < 55597.9896$

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3 years ago

Please solve this question

Svetlanka [38]

Answer: here 298.45

Step-by-step explanation:

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An angle measures 40° more than the measure of its complementary angle. What is the measure of each angle?

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3 years ago

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if you have drums that hold 60 gallons and you need to ship 5,300 liters of liquid how many drums will you need

Naddika [18.5K]

$\frac{5300}{60} =$ slightly over 88, so you will need 89 drums.

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4 years ago