Answer:
(2x+1)(x+3)
2x(x+3)+1(x+3)
2x2+6x+x+3
2x2+7x+3 (2x2 means two x square)
if you want you can also multiply 2x+3 by x+3
like this:
(2x+1)(x+3)
x(2x+1)+3(2x+1)
2x2+x+6x+3
2x2+7x+3 (2x2 means two x square)
They will both give you the same answer.
Answer:
Given that events A and B are independent with P(A) = 0.46and; P(B|A)=0.85 determine the value of P(B) , rounding to the nearest thousandth , if necessary .
Step-by-step explanation:
which one? Are u asking all?!
9514 1404 393
Answer:
a) (-5±√10)/3 ≈ {-2.721, -0.613}
b) (6±√21)/5 ≈ {0.283, 2.117}
Step-by-step explanation:
a) The relevant coefficients are ...
a = 3, b = 10, c = 5
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b) The relevant coefficients are ...
a = 5, b = -12, c = 3
