C+2c+12=75
what is the value of c?
2 answers:
C + 2c + 12 = 75
Combine like terms:
3c + 12 = 75
Subtract 12 to both sides:
3c = 63
Divide 3 to both sides:
c = 21
Add like terms1c+2c=3c
3c+12=75
subtract 12 from both sides
3c=63
divide both sides by 3
c=21
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70 would be the answer to this question....apparently.
Step-by-step explanation:
Answer:
7.5% error
Step-by-step explanation:
Percent Error = ( | measured - real | / real ) x 100%
|430 - 400| / 400 = |-30| / 400
( 30 / 400 ) x 100%
= 7.5%
