The first thing we must do in this type of problem is first to name the variables that we are going to use to write the inequality.
We have then:
b = the weight of books on the shelf.
The inequality is:
b <= 95
answer:
An inequality to represent the situation is
b <= 95
Answer: The portfolio with U.S. stocks only is likely to have the smallest standard deviation.
Step-by-step explanation: Standard deviation is a measure of volatility in the data, in other words, the difference between the data points. Large differences among data points lead to a higher value of standard deviation.
A portfolio with a higher proportion of international stocks is more likely to have a higher standard deviation, as international stocks may come from many different economies, thus may be affected by different economic conditions and yield different rate of returns. On the contrary, a portfolio with U.S. stocks only should get a lower value of standard deviation since all of the stocks should be uniformly affected by the economic condition of the same economy.
Value of x is 9
As when we multiply a + 3 by -2a2 + 15a + 6
We get
(a + 3) (-2a2 + 15a + 6)
-2a3 + 15a2 + 6a - 6a2 + 45a + 18
-2a3 + 9a2 + 51a + 18
If we compare the coefficients of a2, we get
x = 9
<h2><em>0.0469483568 is your answer.</em></h2>
