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
Len [333]
3 years ago
15

What is the surface area of a cylindrical tub that is 20 cm in diameter and 30 cm tall?

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
5 0
Total surface area = 2πrh + 2πr²

Total Surface area = 2(π)(20÷2)(30) + 2(π)(20÷2)²

Total Surface area = 2513.27cm²

---------------------------------------------------------
Answer: Surface Area = 2513.27cm²
---------------------------------------------------------
You might be interested in
2/3+1/2<br> HURRY I NED IT ANSWERED ASAP
Sunny_sXe [5.5K]

Answer:

1 1/6 pls vote branliest

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
A circular pool has a radius of 10 feet. what is the area of the surface if the water? use 3.1r as pi
dem82 [27]
No use 3.14
 by the way
4 0
3 years ago
What is the decimal representation of 2/10 ? 
Marina CMI [18]
2/10 basically means "2 divided by 10".

10 / 2 = .2
7 0
3 years ago
Read 2 more answers
Information on a sample of 362 college students is collected. The complete dataset is available at StudentSurvey. We see that 27
pishuonlain [190]

Answer:

So, we conclude that the best estimate for the difference in the proportion of smokers is 4.4%.

Step-by-step explanation:

We know that 27 of the 193 males in the sample smoke while 16 of the 169 females in the sample smoke.  

We have the following proportion:

27:x=193:100\%\\\\193x=27\cdot 100\\\\193x=2700\\\\x=\frac{2700}{193}\\\\x=13.9\%

So we get that 13.9% of men smoke.

We have the following proportion:

16:x=169:100\%\\\\169x=16\cdot 100\\\\169x=1600\\\\x=\frac{1600}{169}\\\\x=9.5\%

So we get that 9.5% of women smoke.

We get: 13.9%-9.5%=4.4%.

So, we conclude that the best estimate for the difference in the proportion of smokers is 4.4%.

6 0
3 years ago
g The manager of a grocery store has selected a random sample of 100 customers. The average length of time it took these 100 cus
vagabundo [1.1K]

Answer:

The right solution is "0.196".

Step-by-step explanation:

The given values are:

Standard deviation,

\sigma=1 \ minute

Sample size,

n=100

Confidence level,

c=95%

  =0.95

Now,

For \alpha=1-c

         = 1-0.95

         =0.05

then,

Z_{\frac{\alpha}{2} } = Z_{\frac{0.05}{2} }

     =Z_{0.025}

     =1.96

The margin or error will be:

⇒ E=Z_{\frac{\alpha}{2} } (\frac{\sigma}{\sqrt{n} })

On substituting the values, we get

       = 1.96(\frac{1}{\sqrt{100} })

       = 1.96\times \frac{1}{10}

       = 0.196

7 0
2 years ago
Other questions:
  • J. P. Morgan Asset Management publishes information about financial investments. Over the past years, the expected return for th
    9·1 answer
  • Please solve and explain for number 2
    5·1 answer
  • Same thing I said before and not saying it again, 61 points to whomever can help me out with mathematics. All math questions not
    6·2 answers
  • In complete sentences explain why you can sometimes add square roots with different radicands. Give an example where you can add
    7·1 answer
  • Please help on this equation I don't get it.
    6·1 answer
  • 1/2(a+b)-(a-b)exponent2 when a=18 and b=14
    6·1 answer
  • I need help please and urgent!
    13·1 answer
  • Ty raised $84 to support the animal shelter, which is 30% of his fundraising goal. What is Ty's fundraising goal?
    11·2 answers
  • Can someone help me
    10·1 answer
  • Find the amount and compound interest of 1½ years at 10%. p.a, compound half- yearly.​
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!