Answer:
k=8
Step-by-step explanation:
2k+5=21 (-5 on both sides to get rid of +5)
2k=16 (divide by 2 to get rid of that 2 in front of K)
k=8
Answer:
57 dollars and 14 or 15 cents
Step-by-step explanation:
400 divided by 7
The same applies to this one as well...we have a fraction of C/3 and the whole fraction has the exponent of -2.
C^-2 / 3^-2 = C^-2 / 9....we can't have a negative exponent in the numerator, so we send it to the bottom and make it a positive...
9 / C^2
Answer:
87
Step-by-step explanation:
15+(+72)--> 15+72
15+72=87
