Answer:
$81.09
Step-by-step explanation:
C=0.765(100)+0.06<u>(0.765x100)</u>
C=0.765(100)+<u>0.06x76.5</u>
C=<u>0.765(100)</u>+4.59
C=76.5+4.59
C=81.09
Is she runs each lap in 7 min then 56 min you would divide it so 56/7=8
.6 x 10^-3 (Move the decimal in a multiple of 3 and don't forget it's 6 tenths not the whole number 6) In scientific notation this would be;
(the whole number)6 x 10^-4
multiply the top equation by 3, multiply the bottom equation by 4, then subtract the bottom equation from the top equation
multiply the top equation by 3, multiply the bottom equation by -2, then add the equations
I believe it's 1. hope this helps