Suppose that many stocks are traded in the market and that it is possible to borrow at the risk-free rate, rƒ. the characteristics of two of the stocks are as follows: stock expected return standard deviation a 8 % 55 % b 4 % 45 % correlation = –1 a. calculate the expected rate of return on this risk-free portfolio?

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

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step-by-step explanation: