alpha is the excess return on an investment after adjusting for market related volatility and random fluctuations.
beta is a measure of volatility relative to a benchmark ,such as the S&P 500.
Explanation:
alpha and beta are two different parts of an equation used to explain the performance of stocks and investments funds. But in maths alpha and beta is the Greek alphabet
Explanation:
Below is an attachment containing the solution.
Momentum = mass x velocity
12 = 4 x v | ÷ both sides by 4
12 ÷ 4 =v
v= 3 m/s
Answer:
beats per second
Explanation:
Number of heart beats = ![40 \pm 1](https://tex.z-dn.net/?f=40%20%5Cpm%201)
time taken = ![30.0 \pm 0.5 s](https://tex.z-dn.net/?f=30.0%20%5Cpm%200.5%20s)
now we have
%
%
now rate of heart beat is defined as number of heart beat per unit of time
so we have
![Rate = \frac{N}{t}](https://tex.z-dn.net/?f=Rate%20%3D%20%5Cfrac%7BN%7D%7Bt%7D)
![Rate = \frac{40 \pm 2.5}{30 \pm 1.67}](https://tex.z-dn.net/?f=Rate%20%3D%20%5Cfrac%7B40%20%5Cpm%202.5%7D%7B30%20%5Cpm%201.67%7D)
so we have
![Rate = 1.33 \pm (2.5 + 1.67 )](https://tex.z-dn.net/?f=Rate%20%3D%201.33%20%5Cpm%20%282.5%20%2B%201.67%20%29%20)
%
beats per second