Answer:
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Step-by-step explanation:
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Answer:
2/3
Step-by-step explanation:
when multyplying a fraction and a whole number, its better if you put the whole number over 1 to make it a fraction, now you can multiply fractions easier, just multipl accross, 2*3 is 6, 9*1 is 9, now you have a fraction of 6/9 which can be simplified to 2/3
I see choice (A) is missing, so I am giving you two solutions for you to understand and decide which one applies:
(1) Final balance with compound interest - meaning every year you add the year's interest to the principal and earn interest on the increased amount, etc. This is the actual case in real banks:
principal amount is $425 at (annual) interest rate 4.5%
interest amount for 1 year $19.13
Now, use the formula for compound interest
total balance = principal*(1+interest rate)^year
So the amount after 4 years with compound interest should be $511.68
(2) the silly way: earn interest of $20.1875 every year and keep it separately (not earning additional interest). That'll make 425+4*20.1875=$505.75 which is answer (C)
so if your (A) matches my solution (1) then go with that. If not, choose (C).
Substitute x= 3 and calculate
f(3)= 2•9+5• sqrt( 1)
f(3)= 18+5= 23