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Musya8 [376]
3 years ago
10

How do solve this? 9g < -1/2

Mathematics
2 answers:
sertanlavr [38]3 years ago
8 0
This is how you solve

forsale [732]3 years ago
5 0

Answer:

2g2 - 9g - 1

Step-by-step explanation:

(2g2 -  9g) -  1

2.1     Factoring  2g2-9g-1

The first term is,  2g2  its coefficient is  2 .

The middle term is,  -9g  its coefficient is  -9 .

The last term, "the constant", is  -1

Step-1 : Multiply the coefficient of the first term by the constant   2 • -1 = -2

Step-2 : Find two factors of  -2  whose sum equals the coefficient of the middle term, which is   -9 .

2    +    1    =    -1

     -1    +    2    =    1

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To find : List the sample space and tell whether you think the events are equally likely ?

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a) Toss 2 coins; record the order of heads and tails.

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           0                      GGG                        \frac{1}{8}

           1                    GGB,GBG,BGG          \frac{3}{8}

           2                   GBB,BGB,BBG           \frac{3}{8}

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c)  Flip a coin until you get a head or 3 consecutive tails; record each flip.

Getting a head in a trial is dependent on the previous toss.

Similarly getting 3 consecutive tails also dependent on previous toss.

Hence, the probabilities cannot be equal and events cannot be equally likely.

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(1,1) (1,2) (1,3) (1,4) (1,5) (1,6)

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(3,1) (3,2) (3,3) (3,4) (3,5) (3,6)

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(5,1) (5,2) (5,3) (5,4) (5,5) (5,6)

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Now we form a table that the number of time each number occurs as maximum number then we find probability,

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