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antiseptic1488 [7]
3 years ago
13

Can all quadrilaterals be inscribed in a circle? Explain

Mathematics
1 answer:
-BARSIC- [3]3 years ago
3 0
Depends of the size of the quadrilateral in relation to the circle, but otherwise, yes
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Find the slope of the given points(3,4) and(7,-4
WARRIOR [948]

slope = (y2-y1)/(x2-x1)

 m=(-4-4)/(7-3)

m=(-8)/(4)

m=-2

4 0
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Factor completely. x2+4x−21
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X2 + 4x - 21

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4 0
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A pilot of a helicopter plans to release a bucket of water on a forest fire. The height y in feet of water t seconds after its r
frosja888 [35]
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(-b +- sqrt b^2 - 4ac)/2a
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Lina20 [59]

Given:

Cards labelled 1, 3, 5, 6, 8 and 9.

A card is drawn and not replaced. Then a second card is drawn at random.

To find:

The probability of drawing 2 even numbers.

Solution:

We have,

Even number cards = 6, 8

Odd numbers cards = 1, 3, 5, 9

Total cards =  1, 3, 5, 6, 8 and 9

Number of even cards = 2

Number of total cards = 6

So, the probability of getting an even card in first draw is:

P_1=\dfrac{\text{Number of even cards}}{\text{Number of total cards}}

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Now,

Number of remaining even cards = 1

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So, the probability of getting an even card in second draw is:

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P_2=\dfrac{1}{5}

The probability of drawing 2 even numbers is:

P=P_1\times P_2

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P=\dfrac{1}{15}

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Novosadov [1.4K]
It should be number 2
5 0
3 years ago
Read 2 more answers
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