Hey there! The answer to your question is simple. First off, it does not ask for oxygen atoms, so that is just there to mess with you. It says carbon, to hydrogen. That means put the number of carbon, 2, before the number of hydrogen, 4. So, The answer is A - 2:4.
No you would not use the Pythagorean Theorem, You would take the two sides and multiply them together, and divide it by 2.
Answer:
2x + 12
Step-by-step explanation:
2(10)+2(x+4)
distribute the 2
20 + 2x - 8
add/ subtract like terms
2x + 12
Answer:
Area = 153.86
Step-by-step explanation:
Formula: A =
diameter (d) = 14
radius = d / 2
radius is 14 / 2 = 7
A =
Answer:
∠H≅∠B
GH/DJ = AB/DC
Step-by-step explanation: