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padilas [110]
3 years ago
5

What is the exact volume of the cylinder? A 32m in B 64m in C 123m in D 512m in

Mathematics
2 answers:
atroni [7]3 years ago
8 0
The answer is 128. you do 4^2 x 8
Pani-rosa [81]3 years ago
5 0

Answer:

I think the answer is A

Step-by-step explanation:

8x4=32

then A says 32xpi

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Integration of (cosec^2 x-2005)÷cos^2005 x dx is
kondor19780726 [428]
We are asked in the problem to evaluate the integral of <span>(cosec^2 x-2005)÷cos^2005 x dx. The function is an example of a complex function with a degree that is greater than one and that uses special rules to integrate the function via the trigonometric functions. For example, we integrate 
2005/cos^2005x dx which is equal to 2005 sec^2005 x since sec is the inverse of cos. The integral of this function when n >3 is equal to I=</span><span>∫<span>sec(n−2)</span>xdx+∫tanx<span>sec(n−3)</span>x(secxtanx)dx
Then, 
</span><span>∫tanx<span>sec(<span>n−3)</span></span>x(secxtanx)dx=<span><span>tanx<span>sec(<span>n−2)</span></span>x/(</span><span>n−2)</span></span>−<span>1/(<span>n−2)I
we can then integrate the function by substituting n by 3.

On the first term csc^2 2005x / cos^2005 x we can use the trigonometric identity csc^2 x = 1 + cot^2 x to simplify the terms</span></span></span>
7 0
3 years ago
A bus covers a distance of 2.45 km in 2 min. What is the speed of bus?​
Vladimir [108]

Answer:

The speed of the bus is 74.242 kilometers per hour.

Step-by-step explanation:

Let suppose that bus runs at constant speed and that speed is measured in kilometers per hour. Then, the speed of the bus (v), in kiometers per hour, is determined by following kinematic expression:

v = \frac{s}{t} (1)

Where:

s - Travelled distance, in kilometers.

t - Time, in hours.

If we know that s = 2.45\,km and t = 0.033\,h, then the speed of the bus is:

v = \frac{s}{t}

v = 74.242\,\frac{km}{h}

The speed of the bus is 74.242 kilometers per hour.

7 0
3 years ago
Reflecting<br> Which segment is a reflection of segment AB over the line x = 1?
Paul [167]

Answer:     The correct answer is: (Line segment E F)

Step-by-step explanation:  Took the assignment.

8 0
4 years ago
Read 2 more answers
PLEASE HELPPPP Madie is ordering pizza. She has 4 sizes to choose from Xtra Small, Small, Medium and Large. If Madie randomly ch
Lena [83]

Answer:

1/4

Step-by-step explanation:

The answer is 1/4 because she has 4 choices and each size has a 25 percent chance of getting picked.

6 0
3 years ago
Read 2 more answers
In the diagram below line an and cd are
daser333 [38]

Answer:

I THINK IT IS B BECAUSE IT WOULD MAKE SENCE

Step-by-step explanation:

6 0
4 years ago
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