1 year ago

BRAINLIST!!!!!

Mathematics

1 answer:

baherus [9]1 year ago

4 0

Answer:

immm go with A

Step-by-step explanation:

if im wrong plz tell me

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The arc length of a sector created by a 90 degrees angle is 2 pi cm. What is the circumference of the entire circle? Express the

Anvisha [2.4K]

Answer:

8 pi

Step-by-step explanation:

When radius is

L = r * Θ = 2 * π/4 = 1.57079633 cm.

When radius is

L = r * Θ = 10 * π/4 = 7.85398163 cm.

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2 years ago

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Tcecarenko [31]

Answer:

46.7%

Step-by-step explanation:

The fraction of youths preferring printedbooks

= 21/(21+24)

= 21/45

= 21 *100 / 45

= 46.67%

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1 year ago

Find all complex solutions of 7x^2-7x+3=0

Sedaia [141]

Answer:

The complex solutions are

$x = (\frac{7-\sqrt{35} i }{42} , ) x = \frac{7 + \sqrt{35} i }{42})$

Step-by-step explanation:

Step(i):-

Given equation 7 x² - 7 x +3=0

$x = (\frac{-b -\sqrt{b^{2}-4ac } }{2ac} , \frac{-b +\sqrt{b^{2}-4ac } }{2ac})$

Given standard equation

a x² +b x +c =0

a = 7 , b= -7 and c=3

Step(ii):-

$x = (\frac{-(-7) -\sqrt{(-7)^{2}-4(7)(3) } }{2(7)(3)} , \frac{-(-7) +\sqrt{(-7)^{2}-4(7)(3) } }{2(7)(3)})$

$x = (\frac{7-\sqrt{(49-84 } }{42} , \frac{7 +\sqrt{(49-84 } }{42})$

$x = (\frac{7-\sqrt{35i^{2} } }{42} , \frac{7 + \sqrt{35i^{2} } }{42})$

$x = (\frac{7-\sqrt{35} i }{42} , \frac{7 + \sqrt{35} i }{42})$

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1 year ago

What is the distance from romans feet to the base of the flag pole? With process please

Doss [256]

Cos(39) + x/17
x = 17cos(39)

x = 13.21148134

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2 years ago

100 points pls help

blsea [12.9K]

Answer:

a) 2/3p
b) q + 1/2p

Step-by-step explanation:

Given

AB = p
AD = q

DC /AB = 3/2 ⇒
DC = 3/2AB = 3/2p

BC = AD + (DC - AB)
BC = q + (3/2p - p) = q + 1/2p

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2 years ago

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