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Savatey [412]
3 years ago
7

3: What is the factored form of this trinomial?

Mathematics
1 answer:
STALIN [3.7K]3 years ago
3 0
X^2+3x+2
x^2+5x+6
x^2+4x+3
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Put all equations into y= and see which have matching graphs.
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2 years ago
An assembly consists of two mechanical components. Suppose that the probabilities that the first and second components meet spec
harkovskaia [24]

Answer:

P(X = 0) = 0.0208, P(X = 1) = 0.2484, P(X = 2) = 0.7308

Step-by-step explanation:

Let's define the following events

A: the first component meet specification

B: the second component meet specification

P(A) = 0.87

P(B) = 0.84

Let X be the random variable that represents the number of components in the assembly that meet specifications. Because there are only two mechanical components in the assembly, X can only take the values 0, 1, 2.

P(X = 0) = P(the first component does not meet specification and the second component does not meet specification) =  

P(A^{c}\cap B^{c}) = P(A^{c})P(B^{c}) (because of independence)  

= (0.13)(0.16) = 0.0208

P(X = 1) = P(only one component meet specification) = P[(the first component meet specification and the second component does not meet specification) or (the first component does not meet specification and the second component meet specification)] =  

P[(A\cap B^{c})\cup (A^{c}\cap B)] = P(A\cap B^{c}) + P(A^{c}\cap B)= (because sets are mutually exclusive)

P(A)P(B^{c}) + P(A^{c})P(B)= (because of independence)

= (0.87)(0.16) + (0.13)(0.84) = 0.2484

P(X = 2) = P(both components meet specifications) =  

P(A\cap B) = P(A)P(B) (because of independence)

= (0.87)(0.84)

= 0.7308

8 0
3 years ago
If w= <2, -5> and y= 2,0>, find 2w+y
Eva8 [605]

Answer:

B

Step-by-step explanation:

F un gong jjkpjm d gjgyfgdbb

3 0
2 years ago
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