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Free_Kalibri [48]
3 years ago
9

Multiply (2x^2-3x+1)*(x^2-4x-3)

Mathematics
1 answer:
lianna [129]3 years ago
8 0

(2 {x}^{2}  - 3x + 1)( {x}^{2}  - 4 - 3) =  \\  = 2 {x}^{4}  - 8 {x}^{2}  -  6 {x}^{2}  - 3 {x}^{3}  + 12x + 9x +  {x }^{2}  - 4 - 3 =  \\  = 2 {x}^{4}  - 3 {x}^{3}  - 13 {x}^{2}  + 21x - 7

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Answer:

There’s only one way to get 12 when 2 dice are tossed, both have to equal 6. There are 6 ways tossing a single die can come out (1,2,3,4,5,6), so if you toss dice, the second die could have any one of six values with each of the numbers that could result from the first toss (e.g., 1 from die 1 and 1,2,3,4,5, or 6 from die 2). So, considering there are 6 ways to fill each of two slots, there are 6 x 6 = 36 possible outcomes of tossing two dice. Only one of them equals 12, so p(12 given 2 dice tossed) = 1/36 = 0.02777777777778.

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2 years ago
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Paladinen [302]

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3 years ago
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3 0
3 years ago
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There ratio of boys to girls is 17:3 there are 740 people how many boys are there
julsineya [31]
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to find the number of boys out of 740 people, you have to add the ratio together and divide 740 by it. then multiply the answer by 17 because the ratio for boys is 17.

17+3=20

740÷20=37
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