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2 years ago

HELPPPPP ASAAAAP!!!!!!!

Mathematics

1 answer:

algol132 years ago

5 0

Answer:

9 $\sqrt{3}$

Step-by-step explanation:

divide the triangle in 2

this makes the height = 3

since it is a 30 60 90 triangle, 1/2 of the base would be 3 $\sqrt{3}$

multiply this by 2 to get 6 $\sqrt{3}$ for the base

you can then find the area by multiplying (1/2)*(6 $\sqrt{3}$ )*3 = 9 $\sqrt{3}$

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2 years ago

A survey among American adults concluded that 20% of adults believe Elvis is still alive, 10% believe they've been abducted by a

Kitty [74]

Answer:

$P(Alive\ or\ Aliens) = 26\%$

Step-by-step explanation:

Given

$P(Alive) = 20\%$

$P(Aliens) = 10\%$

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Required

Determine $P(Alive\ or\ Aliens)$

From laws of probabilities:

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2 years ago

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Dmitry [639]

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3 years ago

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3 years ago

Points X and are endpoints of a diameter of OW. Point Z is Points X and are endpoints of (Tother point on the circle. Find the p

eimsori [14]

<u>Corrected Question</u>

Points X and Y are endpoints of a diameter of Circle W. Point Z is another point on the circle. Find the probability that $\angle$ XZY is a right angle.

Answer:

Probability=1

Step-by-step explanation:

<u>Theorem</u>

If an Inscribed angle intercepts a semicircle, the angle is a right angle.

Given that X and Y are endpoints of a diameter of Circle W and point Z is on the circle's circumference.

I have prepared a diagram which is attached.

Then, $\angle$ XZY is an angle which intercepts a semicircle.

By the theorem above, $\angle$ XZY is a right angle.

Therefore, the probability that $\angle$ XZY is a right angle =1

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2 years ago