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ruslelena [56]
3 years ago
9

Houcine veut vérifier que la pépite qu'il a trouvé dans la rivière est bien en or pur

Mathematics
1 answer:
andre [41]3 years ago
5 0
Quoi??????????? j'ai ne pas compris...
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Owen follows the rule "divide by 2 to write the pattern below. He will write two
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A card is randomly selected from the standard deck. What is the probability of selecting a red card, the king of spades, or the
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d

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Which expression is equivalent to the following complex fraction?
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Factor the polynomial.<br> 13x² – 20x – 12
erma4kov [3.2K]

Answer:

(13 x + 6) (x - 2)

Step-by-step explanation:

Factor the following:

13 x^2 - 20 x - 12

Factor the quadratic 13 x^2 - 20 x - 12. The coefficient of x^2 is 13 and the constant term is -12. The product of 13 and -12 is -156. The factors of -156 which sum to -20 are 6 and -26. So 13 x^2 - 20 x - 12 = 13 x^2 - 26 x + 6 x - 12 = x (13 x + 6) - 2 (13 x + 6):

x (13 x + 6) - 2 (13 x + 6)

Factor 13 x + 6 from x (13 x + 6) - 2 (13 x + 6):

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The table below shows four systems of equations:
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