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Whitepunk [10]
3 years ago
14

The volume of the solid obtained by rotating the region bounded by y=????x, y=lnx, x=1, and x=3 about the line y-axis can be com

puted using the method of cylindrical shells. Answer the following questions.

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
3 0

Answer:

Volume of solid = 74.454pi or 233.94

Step-by-step explanation:

The detailed calculation and appropriate integration to ge the volume of the solid is as shown in the attachment.

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) 2:y = 5:9, Find the value of y​
GrogVix [38]

Answer:

2y=4–9(when solving for x or y you need to get ride of the other numbers in ... Therefore: y=-5/2 ( since we solving for the value of y and 2 in front of the y is a ... when we transpose *2 to the other side of the question it becomes\9. 2y=-5. y= -5\9.

Step-by-step explanation:

5 0
3 years ago
The Sine Function
larisa86 [58]

Answer:

D. May not be accurate, information was taken over 2 year period; More information from previous years would help the prediction be more accurate.

Step-by-step explanation:

I calculated it logically

3 0
3 years ago
The circle graph shows Tommy Blox spent the money he earned last summer. If he spent $80 on entertainment, how much did Tommy ea
Studentka2010 [4]

Answer:

Tommy earned $250 altogether.

Step-by-step explanation:

Let the total earning of Tommy be 'x' dollars.

Given:

Money spent on entertainment = $80

From the circle shown below:

Percent spent on clothes = 19%

Percent spent on food = 25%

Percent spent on other things = 14%

Percent of savings = 10%

Addition of all percents = 100%

⇒ 19% + 25% + 10% + 14% + % Entertainment = 100%

⇒ 68% + % Entertainment = 100%

⇒ % Entertainment = 100% - 68% = 32%

Therefore, as per question:

32\%\ of\ x=\$80\\\\0.32x=80\\\\x=\frac{80}{0.32}\\\\x=\$250\\

Hence, Tommy earned $250 altogether.

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=71%20-%205x%20%3D%209x%20-%2013" id="TexFormula1" title="71 - 5x = 9x - 13" alt="71 - 5x = 9x
Sav [38]

You need to isolate x.


71 - 5x = 9x - 13

Add 13 to both sides.

84 - 5x = 9x

Add 5x to both sides.

84 = 14x

Divide both sides by 14.

6 = x


<h3>The answer is x = 6.</h3>
5 0
3 years ago
Solve for b. 11 3 b b = [?] Pythagorean Theorem: a2 + b2 = c2 Enter. ​
balu736 [363]

Answer:

√112

Step-by-step explanation:

a^2+b^2=c^2

3^2+b^2=11^2

9+b^2=121

b^2=121-9

b^2=112

b=√112

Mark me as brainliest

3 0
3 years ago
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