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Reika [66]
3 years ago
7

determina la longitud del arco, si el diá.etro es de 7m y el ángulo midw 30 grados. La longitud del arco es ________ aproximadam

ente. Redondear a la décima el resultado final.​
Mathematics
1 answer:
damaskus [11]3 years ago
4 0

Step-by-step explanation:

Primero encuentra los grados y longitud de los dos numeros para encontrar tu respuesta.

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How many possible groups of 4 cards from the 30 are possible
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Answer:

120 this is a combi question it is identical to how many corners on each card face.

Step-by-step explanation:

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If a and b are two angles in standard position in Quadrant I, find cos(a-b) for the given function values. sin a=15/17and cos b=
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Which of the following most accurately describes when a debit card transaction takes effect? a. The transaction is completed alm
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The sentence on letter A most accurately describes when a debit card transaction takes effect.
>The transaction is completed almost immediately after making the purchase.

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What is the surface area of the right cone below?
nexus9112 [7]

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B. 68pi

Step-by-step explanation:

to find the surface area of a right cone given radius and slant height:

let A = surface area

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let l = slant height.

A=pi*r*l + pi* r^2

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Write an equation for an ellipse centered at the origin, which has foci at (0,\pm\sqrt{63})(0,± 63 ​ )left parenthesis, 0, comma
steposvetlana [31]

Answer:

\frac{x^{2} }{4312 } + \frac{y^{2} }{8281 }

Step-by-step explanation:

Since the foci are at(0,±c) = (0,±63) and vertices (0,±a) = (0,±91), the major axis is the y- axis. So, we have the equation in the form (with center at the origin) \frac{x^{2} }{b^{2} } + \frac{y^{2} }{a^{2} }.

We find the co-vertices b from b = ±√(a² - c²) where a = 91 and c = 63

b = ±√(a² - c²)

= ±√(91² - 63²)

= ±√(8281 - 3969)

= ±√4312

= ±14√22

So the equation is

\frac{x^{2} }{(14\sqrt{22}) ^{2} } + \frac{y^{2} }{91^{2} } = \frac{x^{2} }{4312 } + \frac{y^{2} }{8281 }

8 0
4 years ago
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