Question

In A ABC,
B = 90°, ZA = x°, 2C = 2xcº and AB = 12 cm. Find BC.​

Answer 1

Answer:

Since | | operation is defined for all real numbers, domain D consists of all real numbers x, x∈R.

Since | | operation yields number greater of equal to zero, the range of -|x-2| is (-∞;0]. (Pay attention to the minus sign in front of |x-2| ).

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Answer 2

Answer:

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