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Naya [18.7K]
3 years ago
15

How do you find the area of a cone?

Mathematics
1 answer:
Gala2k [10]3 years ago
8 0
To find of a cone

\pi \: r \sqrt{r}^{2}  + h {}^{2}
hope this help you
may i got a brainliest please
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Don’t know where to start
Alenkasestr [34]

Answer:

A = 80π

Step-by-step explanation:

Area of a circle is A = πr²

Area of the the largest circle - Area of the smaller circle = the shaded part.

Largest circle    -    Area of the smaller circle   = Shaded part of circle

A  = π(12)²         -     A = π(8)²

    144π            -      64π                           =        80π

7 0
3 years ago
A 12-sided number cube with the numbers 1 through 12 is rolled. Rounded to the nearest hundredth, the probability that the numbe
Gala2k [10]

Answer: 91.6666666667 pero lo redondeadas y te da de resultado 92.0% de probabilidades que no caiga un 4

Step-by-step explanation:divide 100 entre 12 y el resultado lo multiplicas por 11. no es como se saca la respuesta normalmente pero es una opción

8 0
3 years ago
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Analytic function on unit disk with power series has pole on unit circle, then power series diverges on unit circle.
Wittaler [7]

Answer:

The function

{\ displaystyle f (z) = {\ frac {z} {1- | z | ^ {2}}}} {\ displaystyle f (z) = {\ frac {z} {1- | z | 2}

It is an example of real and bijective analytical function from the open drive disk to the Euclidean plane, its inverse is also an analytical function. Considered as a real two-dimensional analytical variety, the open drive disk is therefore isomorphic to the complete plane. In particular, the open drive disk is homeomorphic to the complete plan.

However, there is no bijective compliant application between the drive disk and the plane. Considered as the Riemann surface, the drive disk is therefore different from the complex plane.

There are bijective conforming applications between the open disk drive and the upper semiplane and therefore determined as Riemann surfaces, are isomorphic (in fact "biholomorphic" or "conformingly equivalent"). Much more in general, Riemann's theorem on applications states that the entire open set and simply connection of the complex plane that is different from the whole complex plane admits a bijective compliant application with the open drive disk. A bijective compliant application between the drive disk and the upper half plane is the Möbius transformation:

{\ displaystyle g (z) = i {\ frac {1 + z} {1-z}}} {\ displaystyle g (z) = i {\ frac {1 + z} {1-z}}}

which is the inverse of the transformation of Cayley.

8 0
4 years ago
Divide 17.9 by 2.38 round your answer to the nearest tenth
Likurg_2 [28]

Nearest tenth is the number right after the decimal. If the number to the right of it is 4 or lower leave it how it is, and if the number to the right of it is 5 or greater than round up one.

17.9/2.38 = 7.521 ... Answer is = 7.5


8 0
3 years ago
Ms. Salgado needs to have her car repaired but does not want to spend more than $375 for the repairs. The mechanic says that the
Cloud [144]

Step-by-step explanation:

40x + 100 = 375

40x = 275

x = 6.875

The mechanic can work a maximum of 6.88 hours without exceeding Ms. Salgado's budget.

3 0
3 years ago
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