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amid [387]
3 years ago
12

When p2 – 4p is subtracted from p2 + p – 6, the result is 5p-6 To get p – 9, subtract

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
4 0
To get p - 9, subtract p2 + 3 from p2 + p - 6.
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I NEED HELP ASAP!!!! SOLVE THIS IT'S AN IMAGE!!!!
joja [24]

Answer:

y = -7

Step-by-step explanation:

Put x = 2 in any one of the equation

5x +2y = -4

5*2 + 2y = -4

10 +2y = -4

      2y = -4 -10

      2y = -14

        y = -14/2

         y = -7

6 0
3 years ago
Read 2 more answers
A line passes through the points (2, -2) and (-6.2), The point (a, -4) is also on the line. What is the value of a?
balu736 [363]

Answer:

It's is a negative one ( -1 )

Step-by-step explanation:

The explanation is in the question, if you draw the line you will see it.

5 0
2 years ago
Find the area of the circle. Round to the nearest tenth. Use 3.14 or for . radius = 8 in.
Musya8 [376]

Answer:

201

Step-by-step explanation:

Pi x radius x Radius = area

3.14 x 8 x 8 = area

3.14 x 64 = 200.96

when you round 200.96 you get 201!  

6 0
3 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
3 years ago
An equation for a line parallel to the line with equation y= 10x + 17
azamat

To be parallel with that line the equation has to have the same slope as the equation given, like y = 10x + 3.

3 0
3 years ago
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