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IRISSAK [1]
3 years ago
12

A cylinder has a base radius of 3m and a height of 20m. What is its volume in cubic m, to the nearest tenths place ?

Mathematics
2 answers:
Gekata [30.6K]3 years ago
8 0

Answer:

are we in that same class like...

-jk-

it should be 565.5

Step-by-step explanation:

aliina [53]3 years ago
7 0

Answer:

V = 565.5

Step-by-step explanation:

<u>Cylinder Formulas in terms of r and h</u>

  • Calculate the volume of a cylinder:

V = πr2h

  • Calculate the lateral surface area of a cylinder (just the curved outside):

L = 2πrh

  • Calculate the top and bottom surface area of a cylinder (2 circles):

T = B = πr2

  • Total surface area of a closed cylinder is:

A = L + T + B = 2πrh + 2(πr2) = 2πr(h+r)

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it took Dean's family 3 hours to drive 195 miles on Friday. Then they drove at the same speed for 5 on saturday. how far did Dea
inn [45]

Hey!

Dean's family has been traveling on the same speed for two days, so to find how far you will need to travel you will need to find how far they are traveling in one hour..

To find this you will need to set up a proportion...

3/195 = 1/x

Solve this proportion by cross multiplying and then dividing..

195 * 1 = 195/3 = 65

This tells you that they are traveling 65 miles per hour. Now with this you will simply have to multiply 65 by 5 to tell you how far they would be traveling in 5 hours with the given speed...

65 * 5 = 325

Your answer of 325 miles tells you how far they traveled.


Hope it Helped!

~A

6 0
3 years ago
2.) Fill in the blank.
Montano1993 [528]

Answer:

E.) 1

Step-by-step explanation:

Firstly we will solve for L.H.S.

L.H.S. =Csc^2\theta

Since we know that Csc^2\theta is the inverse of Sin^2\theta.

So we can say that;

csc^2\theta=\frac{1}{sin^2\theta}

Now For R.H.S.

Cot^2\theta+1

Since we  can rewrite cot^2\theta as \frac{cos^2\theta}{sin^2\theta}.

Now we can say that the R.H.S. is;

\frac{cos^2\theta}{sin^2\theta}+1

Now we add the fraction and get;

\frac{cos^2\theta+sin^2\theta}{sin^2\theta}

Now according to trigonometric identity;

cos^2\theta+sin^2\theta=1

So, \frac{cos^2\theta+sin^2\theta}{sin^2\theta}=\frac{1}{sin^2\theta}

Here,

csc^2\theta=\frac{1}{sin^2\theta}   and     Cot^2\theta+1 = \frac{1}{sin^2\theta}<em>  </em>

L.H.S. = R.H.S.

Hence csc^2\theta=cot^2\theta+1

4 0
3 years ago
-. For the event of rolling three standard fair 6-sided dice, find the following probabilities. Give all
elixir [45]

Answer:

1/6 or 6/36

Step-by-step explanation:

Given the qualifications, there are six qualifying combinations out of the 36 combinations, which simplified, is 1 out of 6.

4 0
3 years ago
At a store customers are randomly selected to participate in the survey on Friday there were 500 customers at the store. of thos
Artemon [7]
The probability is 90/500 =18%

700*18%= 700 *18/100 = 126 

126 customers will be selected to participate in the survey on Saturday
8 0
3 years ago
if you deposit $860 in a new account that earns 6.5% simple interest. After 6 months, how much interest will you have learned?
pishuonlain [190]
860*0.0325 = 27 dollars and 95 cents 

8 0
3 years ago
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