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Klio2033 [76]
4 years ago
11

If y = -2, what is the value of x? x+2/3 ; x =

Mathematics
2 answers:
Bas_tet [7]4 years ago
7 0

Answer:

26

Step-by-step explanation:


blsea [12.9K]4 years ago
4 0
The answer would be 26
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Can someone please tell me the answer of 2.394 • 7.489
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Answer: 17.928666

Step-by-step explanation:

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3 years ago
Write the equation of the line that passes through(-2,1)and is prependicular of the line 3x-2y=5
almond37 [142]
The equation is y=-2/3x-1/3 i think

6 0
4 years ago
Assume that a policyholder is four times more likely to file exactly two claims as to file exactly three claims. Assume also tha
kykrilka [37]

Answer:

1.3125

Step-by-step explanation:

Given that our random variable X follows a Poisson distributionP(X=k)=\frac{\lambda^k e^-^p}{k!} \ \ \ \ \ \ \ \ p=\lambda

Evaluate the formula at k=2,3:

P(X=2)=0.5\lambda^2e^{-\lambda}\\\\P(X=3)=\frac{1}{6}\lambda^2e^{-\lambda}

#since

4P(X=2)=P(X=3);\\\\0.5\lambda^2e^{-\lambda}=4\times\frac{1}{6}\lambda^3e^{-\lambda}\\\\0.5\lambda^2=\frac{2}{3}\lambda^3\\\\0.75=\lambda

The mean and variance of the Poisson distributed random variable is equal to \lambda:

\mu=\lambda=0.75\\\sigma ^2=\lambda=0.75

#By property variance:

\sigma ^2=V(X)=E(X^2)-(E(X))^2=E(X^2)\\\\E(X^2)=\sigma^2+\mu^2=0.75+0.75^2=1.3125

The expectation is 1.3125

4 0
4 years ago
Can some one please help me find the answer?
sergiy2304 [10]
516.14mm I think that’s the answer
6 0
3 years ago
Read 2 more answers
(3x²+4x-1) + (-2x²-3x+2)
Vedmedyk [2.9K]

Answer:

(3x²+4x-1) + (-2x²-3x+2)

3x²+4x-1 -2x²-3x+2

3x²-2x²+4x-3x-1+2

x²+x+1

5 0
3 years ago
Read 2 more answers
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