(No joke answers) A savings account pays a 3% nominal annual interest rate and
has a balance of$1,000. Any interest earned is deposited into
the account and no further deposits or withdrawals are made.
If interest is compounded semi-annually (every six months),
what interest rate would be used for each calculation?
O 0.5%
O 3%
0 1.5%
6%

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answer:   28.56 feet (approx)

step-by-step explanation:

since, triangle abc has measure of angle c equal to 55 degrees, measure of angle abc equal to 90 degrees, and length of bc equal to 20 feet.

we have to find out the measurement of segment ab.

therefore, tan 55° =

but bc = 20 feet.

⇒ tan 55 ° =  

⇒ ab = 20 × tan 55 °

⇒ ab = 20 × 1.42814800674

⇒ ab = 28.5629601348   ≈ 28.56 feet