Elena is thinking about putting $200 in a savings account that earns 4% interest compounded semiannually. she wants to keep that money in the account for 4 years. which of the formulas below can her calculate how much money she will have at the end of the 4 years? a. $200(1 + 0.02)8 b. $200(1 + 0.04)4 c. $200(1 + 0.02)4 d. $200(1 + 0.08)2

A.

Step-by-step explanation:

Since, the amount that compounded semiannually is,

Where, P is the principal amount,

r is the annual rate ( in decimals ),

And, t is time ( in years ),

Here, P = $ 200,

r = 4 % = 0.04    ( 1 % = 0.01 ),

t = 4 years,

Hence, the amount after 4 years would be,

⇒ First option is correct.

hello i am doing good for you that it's summer in your country or state ; )

btw in my country we just have sun and rain as (because i live in the caribbean lol)

also, thx a lot for the points : )

answer: x=3 and y=4

step-by-step explanation: