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Svetach [21]
3 years ago
13

Which graph best represents the solution to the following pair of equations? (1 point) y = −x − 5 y = 2x + 4

Mathematics
1 answer:
ladessa [460]3 years ago
3 0

Answer:

  • (x,y)= - 24/13 , 4/13

Step-by-step explanation:

y= 2x+4.

-x- 5y=2x+4

-2x+y=4

-3x-5y

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Finding the Slope: Identify the slope on the graph. I will give 10 brainlist if correct ​
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Suppose that in a casino game the payout is a random variable X . If X is positive, you gain money, if negative, you lose.
Vanyuwa [196]

Answer:

the conditional probability that X = 1 , X = 2 and X = 3 is  0.7333 (73.33%) , 0.25 (25%) and 0.0167 (1.67%) respectively

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a player wins money when i>0 then defining event W= gain money , then

P(W) = p(i>0) = p(1)+p(2)+p(3)

then the conditional probability can be calculated through the theorem of Bayes

P(X=1/W)= P(X=1 ∩ W)/P(W)

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P(X=1/W)= P(X=1 ∩ W)/P(W) = P(X=1) / P(W) = p(1) /[p(1)+p(2)+p(3)] = 11/40 /(11/40+3/32+1/160 ) = 0.7333 (73.33%)

similarly

P(X=2/W)=p(2) /[p(1)+p(2)+p(3)] = 3/32 /(11/40+3/32+1/160 ) = 0.25 (25%)

P(X=3/W)=p(2) /[p(1)+p(2)+p(3)] = 1/160 /(11/40+3/32+1/160 ) = 0.0167 (1.67%)

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4 years ago
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3 0
3 years ago
Read 2 more answers
PLS PLS PLS HELP!!! I WOULD RLY APPRECIATE IT :,) <3
OverLord2011 [107]

I'm pretty sure it is (2. -11) :)

3 0
3 years ago
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