39
Divide 78 by 2 to get 39 and add in to the number
7 5/12 or 7.41
17 1/21 or 17.04
Answer:
x=3
Step-by-step explanation:
You can solve by:
5x+7=-3x-31
adding 3x to each side:
8x+7=31
Subtract 7 from each side:
8x=24
Divide each side by 8:
x=3
That is your answer
Hope this helps!
Answer:
D. I and IV
Step-by-step explanation:
"Discrete" means the quantities can only assume specific (usually integer) values. It is contrasted with "continuous," which describes quantities that can assume any value in some range, not necessarily an integer value.*
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* quantum physics is ignored in this discussion.
