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Finger [1]
3 years ago
13

Help These are inscribed angles I think

Mathematics
1 answer:
MrRa [10]3 years ago
5 0

Answer:

13) 142° (intercepted arc is twice the inscribed angle)

14) 23° (inscribed angles is half of the intercepted arc)

15) Since RT is a diameter and arcRS = 46°, then arcST = 180° - 46 = 134°

16) Using the result of #13, arcRQ = 180° - 142° = 38°

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max2010maxim [7]
<h3>Answer:  (2, 3)</h3>

=================================================

Explanation:

1/4 = 0.25 is the scale factor

Multiply this with each coordinate of the given point

0.25*8 = 2 is the new x coordinate

0.25*12 = 3 is the new y coordinate

So (8,12) moves to (2,3) after applying the dilation

The scale factor k makes 0 < k < 1 true, so the point is closer to the origin after applying the dilation.

--------

Side note: this trick of multiplying the scale factor by each coordinate only works if the dilation is centered at the origin. For any other center, you'll need to apply a translation first, dilate, then translate back again.

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3 years ago
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slega [8]

Answer:

a) 3.6

b) 1.897

c)0.0273

d) 0.9727

Step-by-step explanation:

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a)

The mean of a Poisson random variable X is μ.

mean=E(X)=μ=3.6.

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The  standard deviation of a Poisson random variable X is √μ.

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c)

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P(X=x)=(e^-μ)(μ^x)/x!

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So,

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d)

P(at least one case of rabies)=P(X≥1)=1-P(X<1)=1-P(X=0)

P(at least one case of rabies)=1-0.0273=0.9727

8 0
3 years ago
Help me solve this problem please
allochka39001 [22]

Answer:

Step-by-step explanation:

4^2+x^2 = 15^2

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6 0
3 years ago
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