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schepotkina [342]
3 years ago
12

2. Diego is solving the equation x2 - 12x = 18. Which value must be added to both sides of the equation to make the left side a

perfect-square trinomial?​
Mathematics
1 answer:
Ray Of Light [21]3 years ago
8 0

You would need to subtract 18 to both sides to make this a perfect-square trinominal.

x^2 - 12x = 18

x^2 - 12x - 18 = 0

a = 1

b = -12

c = -18

Best of Luck!

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Answer:

If the reindeer do not fight, there are 5!=120 ways to line them up in a straight line.

Out of these, Bloopin and Rudy are together in 4!=24 times.  Similarly Rudy and Bloopin will be together 4!=24 times.  So the number of ways they are not together is 120-24-24=72 ways.

Hope this helps.    :)

Step-by-step explanation:

Spanish:

Si los renos no luchan, hay 5! = 120 formas de alinearlos en línea recta.

De estos, Bloopin y Rudy están juntos en 4! = 24 veces. De manera similar, Rudy y Bloopin estarán juntos 4! = 24 veces. Entonces, el número de formas en que no están juntas es 120-24-24 = 72 formas.

Espero que esto ayude       :)

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