Answer:
17
Step-by-step explanation:
Ⓗⓘ ⓣⓗⓔⓡⓔ
Well, 5x+0.5y^2 we'd just have to plug in the numbers.
5(3)+0.5(2)^2
15+0.5(4)
15+2
17
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Please, please give brainliest, it would be greatly appreciated, I only need one more before I advance, thanks!
Answer: -20
percent error= amount of error/actual value * 100
amount of error= 100-125= -25
percent error = -25/125 *100
percent error= -20
I believe the answer is 9, because 1/3 is .33 so 33%. so 33% is equal to 3 buttons and add another 66% which would be another 6 buttons would add up to 99% in all. after that I don't think they would add a quarter of a button.
Answer:

Step-by-step explanation:







From 

Substitute the value of
and
in 
