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4 years ago

Find missing term.x/x2-4x+4-x/x2-3x+2= ?/(x-2)2(x-1)

Mathematics

1 answer:

mihalych1998 [28]4 years ago

7 0

Answer:

-3x

Step-by-step explanation:

x x

----------------- - --------------------

x^2 -4x + 4 x^2-3x+2

x x

= ---------------- - --------------------

(x -2)^2 (x - 2)(x - 1)

x (x-1) - x(x +2)

= ----------------------------

(x -2)^2 (x - 1)

x^2 -x -x^2 - 2x

= --------------------------

(x -2)^2 (x - 1)

-3x

= -----------------------

(x -2)^2 (x - 1)

Therefore; the missing term is -3x

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what is the y-intercept of the equation of the line that is perpendicular to the line y = 3/5x 10 and passes through the point (

bazaltina [42]

Perpendiculare means the slopes multiply to -1

y=3/5x+10
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4 years ago

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3 years ago

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slamgirl [31]

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4 years ago

The random variable X~(30,2^2) Find p(X<33) Find p(X>26)

Ostrovityanka [42]

Answer:

i) P(X<33) = 0.9232

ii) P(X>26) = 0.001

Step-by-step explanation:

Step(i):-

Given that the mean of the Population = 30

Given that the standard deviation of the Population = 4

Let 'X' be the Normal distribution

Step(ii):-

Given that the random variable X = 33

$Z = \frac{x-mean}{S.D}$

$Z = \frac{33-30}{2} = 1.5$ >0

P(X<33) = P( Z<1.5)

= 1- P(Z>1.5)

= 1 - ( 0.5 - A(1.5))

= 0.5 + 0.4232

P(X<33) = 0.9232

Step(iii) :-

Given that the random variable X = 26

$Z = \frac{x-mean}{S.D}$

$Z = \frac{33-26}{2} = 3.5$ >0

P(X>26) = P( Z>3.5)

= 0.5 - A(3.5)

= 0.5 - 0.4990

= 0.001

P(X>26) = 0.001

5 0

3 years ago