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Diano4ka-milaya [45]
3 years ago
6

Please answer the question in the image below ASAP

Mathematics
1 answer:
anastassius [24]3 years ago
4 0

Answer:

<h2>Option A Center: 2,-3 radius =5</h2>

Step-by-step explanation:

(x-h) ^2+(y-k) ^2 =r^2

The above equation is the general standard equation for the circle centered at (h,k) with radius r

Given that the equation of the circle is

(x-2) ^2+(y+3) ^2 =25

Comparing this with the general equation we can get the center and the radius as

(x-h) ^2+(y-k) ^2 =r^2\\(x-(2)) ^2+(y-(-3)) ^2 =5^2

We can now see that

h= 2

k= -3 and

r= 5

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Suppose that you and a friend are playing cards and you decide to make a friendly wager. The bet is that you will draw two cards
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Answer:

Ok, the probability of winning is:

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the total probability is equal to the product of the individual probabilities, this is:

P = p1*p2= (13/52)*(12/51) = 0.059

now, the expected value can be calculated as follows.

EV = (P1*X1 + P2*X2)

where P1 is the probabilty of event 1, and X1 is the event 1,

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Then the expected value for 1 round of the game is:

EV = (0.059*$29 - 0.941*$4) = -$2.05

So if you play 891 times, expected value of 891 times the expected value for 1 round, this is:

891*EV = 891*(-$2.05) = -$1826.55

So you loss around  $1826.55

4 0
3 years ago
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Answer:

45°

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