Answer:
mild shock: 1. why did i feel electricity through my whole arm?
static: 2. how did i make electricity from rubbing a balloon on my hair?
Answer:
36.87°
Step-by-step explanation:
cos C = 4/5
arccos C = 36.87
10, because 10 does not need to be rounded to the nearest 10 if the number is already 10, but if the number was 17 then rounding to the nearest 10 would be 20
Answer:
525
Step-by-step explanation:
multiply 1250 by the decimal form of the percentage (42% turns to .42)
If we are eliminating x, we would multiply the 2nd equation by -5
5x + 18y = 23
x + 3y = 2....multiply by -5
-----------------
5x + 18y = 23
-5x - 15y = - 10 (result of multiplying by -5)
----------------add
0 + 3y = 13.....bye-bye x :)