1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Montano1993 [528]
3 years ago
11

Find the area of the surface obtained by rotating the curve y x2 0 ≤ x ≤ 2 about the y axis

Mathematics
1 answer:
Rudiy273 years ago
4 0

<span>ds=<span>√<span>1+<span><span>(<span><span>dy</span><span>dx</span></span>)</span>2</span></span></span><span>dx</span>=<span>√<span>1+<span>14</span><span>(<span>x4</span>−2+<span>1<span>x4</span></span>)</span></span></span><span>dx</span></span>

<span>=<span>√<span><span>14</span><span>(<span>x4</span>+2+<span>1<span>x4</span></span>)</span></span></span><span>dx</span>=<span>√<span><span>1<span>22</span></span><span><span>(<span>x2</span>+<span>1<span>x2</span></span>)</span>2</span></span></span><span>dx</span></span>

<span>=<span>12</span><span>(<span>x2</span>+<span>1<span>x2</span></span>)</span><span>d<span>x</span></span></span>

You might be interested in
Use prime factor decomposition to find the Hcf of 99 and 165
const2013 [10]

Answer:

HCF = 33.

Step-by-step explanation:

99 = 3*3*11

165 = 3*5*11

3 and 11 are common so the HCF = 3*11

= 33.

5 0
3 years ago
What is x if y Is 5 <br> x^2 (2y +5)=240
UkoKoshka [18]
X^2(2y+5)=240
x^2(2(5)+5)=240
x^2+(10+5)=240
x^2+15=240
minus 15 both sides
x^2=225
sqrt both sides
x=15
6 0
3 years ago
Jake earned 30 points out of a total of 43 on his most recent math test. on his social studies test, jake scored 85 out of a pos
djverab [1.8K]

Answer: See explanation

Step-by-step explanation:

Your question isn't really clear but let me help.

For Maths test,

Point earned = 30

Total point = 43

Percentage = 30/43 × 100 = 69.77%

Social studies test

Point earned = 85.

Total point = 124

Percentage = 85/124 × 100 = 68.55%

From the above, we can see that Jake scored a higher percentage in the Maths test.

3 0
3 years ago
Marta is making 3 servings of fruit salad.she adds 3/8 cup blueberries for each serving.her measuring cup holds 1/8 cup.how many
quester [9]
To solve this problem you must follow the proccedure shown below:

 1. You have the following information given in the problem above:

 - <span>Marta is making 3 servings of fruit salad.
 - Marta adds 3/8 cups blueberries for each serving.
 - Her measuring cup holds 1/8 cup.

 2. Then, you have:

 1 time----1/8 cup 
         x----3/8 cups

 x=(3/8)/(1/8)

 x= 3x8/1x8
 x=24/8
 x=3 times

 H</span><span>ow many times must Marta measure 1/8 cup of blueberry to have enough for the fruit salad?

 The answer is: 3 times</span>
3 0
3 years ago
How do you turn 140 into a fraction
Nimfa-mama [501]
140/1

because anything divided by 1 is itself, and a fraction is just the numberator divided by the denominator.
5 0
3 years ago
Read 2 more answers
Other questions:
  • Need help finding out the recursive Formula? Please Help! Really stuck on this problem. Thank you!!
    11·1 answer
  • 100 kg of a fruit contained 90% water one week ago. How many kg of the fruit containing 80% water are there now?
    8·1 answer
  • on halloween kaleb scored 34 pieces of gummi candy. he got 8 times as much sugar candy and 4 times as much chocolate candy. how
    6·1 answer
  • 0.056 divided by -0.004
    13·2 answers
  • According to a 2014 Gallup poll, 56% of uninsured Americans who plan to get health insurance say they will do so through a gover
    7·1 answer
  • If Elisa gets an allowance of $35 per week and spends $10 of it on food and drink, $5 on entertainment and $5 on miscellaneous t
    14·1 answer
  • Which expression is equivalent to 42 + 30? (1 point)
    15·2 answers
  • What is X in this equation.<br><br>7x+23=-6x-42<br><br>Please Explain.​
    5·2 answers
  • I dont Know what to put here<br> But Anwer Pls
    13·1 answer
  • A graduated commission employee makes 3.5% interest on the first $50,000 in sales and 6.5% interest on all sales over $50,000. W
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!