tiffanycardenas5861 tiffanycardenas5861 17-06-2020 Mathematics contestada Can someone check my answers? The amount of money in Alexander’s account is, = 4000 − 70, where is the amount in dollars and is the time in weeks. a) Which variable is independent and which is dependent? Answer: Dependent is -70x and independent is 4000 b) In which week will there be $1701 in the account? Answer: y=4000-70(x) 1701=4000-70(x) -70x=1701-4000 -70x= -2299 x=-2299/-70 x=2299/70 x=32.843 x=33 c) How much will the amount in Alexander’s account change if the time increases by 15 weeks? Answer: y=4000-70(x) y=4000-70(15) y=2950
