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miv72 [106K]
3 years ago
8

Find the area of the circle. Round your answer to the nearest hundredth.

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
6 0

Answer:

50.27

Step-by-step explanation:

area of a circle: pi X r^2

r= radius

olga2289 [7]3 years ago
5 0

Answer:

50.27 square inches

Step-by-step explanation:

The formula for finding the area of a circle is πr², and the radius is 4, so first you do 4², which is 16, and then you multiply 16 by π, which is 50.2654824574, or rounded to the nearest hundredth, 50.27. Hope this helps.

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What is the distance between the points (-3,4) and (5,4)?
marta [7]

Answer:

8/1

Step-by-step explanation:

You have to go up 8 more to get to (5,4) I hope Im right and this helps

5 0
2 years ago
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What is the total surface area of a cylinder with a radius of 9ft and a height of 13ft?
Lady bird [3.3K]

Answer:

753.6 ft^2

Step-by-step explanation:

given:

radius=9 ft

height=13 ft

total surface area of cylinder=2πrh+2πr2

=2*3.14*9*13 + 2*3.14*(9)^2

=244.92 + 2*3.14*81

=244.92 + 508.68

=753.6 ft^2

6 0
3 years ago
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Solve the equation 18+a= -5
Oxana [17]

Answer:

The answer is -23

Step

7 0
2 years ago
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Use theorem 7. 4. 2 to evaluate the given laplace transform. do not evaluate the convolution integral before transforming. (writ
irga5000 [103]

With convolution theorem the equation is proved.

According to the statement

we have given that the equation and we have to evaluate with the convolution theorem.

Then for this purpose, we know that the

A convolution integral is an integral that expresses the amount of overlap of one function as it is shifted over another function.

And the given equation is solved with this given integral.

So, According to this theorem the equation becomes the

\mathscr{L} \left( \int_{0}^{t} e^{-\tau} \cos \tau d \tau \right) = \frac{ \mathscr{L} (e^{-\tau} \cos \tau ) }{s} \\\mathscr{L} \left( \int_{0}^{t} e^{-\tau} \cos \tau d \tau \right) = \frac{\frac{s+1}{(s+1)^2+1}}{s} \\\mathscr{L} \left( \int_{0}^{t} e^{-\tau} \cos \tau d \tau \right) = \frac{1}{s}\left (\frac{s+1}{(s+1)^2+1} \right).

Then after solving, it become and with theorem it says that the

\mathscr{L} \left( \int_{0}^{t} f(\tau) d\tau \right) = \frac{\mathscr{L} ( f(\tau))}{s} .

Hence by this way the given equation with convolution theorem is proved.

So, With convolution theorem the equation is proved.

Learn more about convolution theorem here

brainly.com/question/15409558

#SPJ4

3 0
1 year ago
A girl's feet are negative 4 over 5 yards from the surface of a pool. A boy's feet are negative 2 over 5 yards from the surface
ANTONII [103]
There are many ways you can do this. To me, the easiest way is cross multiplying, but since the denominators are the same, there is no need to do that. Also, the fractions are negatives, the one closest to 0 is closer to the surface of the pool
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Answer: the boy's feet are closer to the surface of the pool
6 0
3 years ago
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