Answer:
D. 8
Step-by-step explanation:
We have been given that the number of days that homes stay on the market before they sell in Houston is bell-shaped with a mean equal to 56 days. Further, 95 percent of all homes are on the market between 40 and 72 days.
As per empirical rule 95% of the data on bell curve lies between 2 standard deviations of mean.
So we can set an equation as:
or
Therefore, the standard deviation for our given data is 8 and option D is the correct choice.
Answer:
11 inches
Step-by-step explanation:
The area of a circle can be found using:
We already know that the area is 380, so we can substitute 380 in for a.
380=
Now, we need to find the radius. To do this, we need to get r by itself
First, divide both sides by pi
120.95775675=r^2
Since r is being squared, we need to take the square root of both sides
10.9980796846=r
If we round to nearest whole number, our radius is 11 inches
Product means to multiply.
Multiply the first 2 numbers , then multiply the answer of that to the 3rd number:
5 * -3 = -15
-15 * -2 = 30
The answer is 30
1/2 = 50%
1/4 = 25%
1 = 100%
1/3 = 33.3%
The only one that makes sense is 1/3
Answer: 1/3
(15x3) feet ÷ 3 = (5x1) feet = 5 feet
33 feet x 5 feet=165 feet
165 feet ÷ 3 = 55 feet
55 feet÷(33 feet÷3)=55 feet ÷ 11 feet = 5 feet
Ans:
5 + 11 x 5 feet
