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Aida P.
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Physics (Waves and Optics)
TutorMe
Question:

Which two conditions must be met for interferention?

Aida P.
Answer:

1. The sources must be coherent. They must obtain a constant phase with respect to each other. 2. The waves must have identical wavelenghts.

Inorganic Chemistry
TutorMe
Question:

Equalize the equation: H_2 + O_2 = H_20

Aida P.
Answer:

2H_2 + O_2 = 2H_20

Algebra
TutorMe
Question:

Solve: /begin{equation} 8x - 3 = 3x + 17 /end{equation}

Aida P.
Answer:

/begin{equation} 8x - 3 = 3x + 17 8x - 3 -3x = 3x + 17 - 3x 5x - 3 = 17 5x - 3 + 3 = 17 + 3 5 x = 20 5x /5 = 20/5 x = 4 /end{equation}

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