Questions by Annelie

Questions by Annelie

What do all electromagnetic waves have in common? They have the same amplitude. They have the same frequency. They have the same wavelength. They have the same speed.

asked Aug 3, 2017

2 answers

4 votes

129k views

What is the chemical formula for Duralumin?

asked Apr 22, 2017

1 answer

2 votes

154k views

Which of these excerpts from mark twain's life on the mississippi best shows twain's subtle sense of humor? a. the minister's son became an engineer. the doctor's and the postmaster's sons became "mud

asked Apr 1, 2017

2 answers

5 votes

182k views

Prove that: (a2 - b2)3 + (b2-c2)3+ (c2-a2)3 = 3 (a+b) (b+c) (c+a) (a-b) (b-c) (c-a).

asked Apr 24, 2015

2 answers

3 votes

114k views

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