The distance (in miles) that a person can see to the horizon can be approximated by
, where
is the elevation (in feet above sea level) of the person. Approximate the elevation of a person who can see 101 miles to the horizon. Round your answer to the nearest foot.
Question 3
3.
The function g(x) is a translation 2 units right and 5 units up of
​
Which of the following represents g(x)?
Question 4
4.
Question 5
5.
Simplify the expression and write in radical form
Question 6
6.
Solve for x.
Question 7
7.
Solve for x (hint: change to log form), write the whole decimal in your answer
Question 8
8.
Henry deposits $750 into a college savings account that is compounded annually. If Henry lets the money sit in the account without adding or removing any and receives an 8.5% interest rate, how much money will he have total after 5 years?
A=P(1+r)t
Question 9
9.
Solve for x.
Question 10
10.
Kennedy won $3000 from a radio contest. If she puts the money in a bank account that earns 2.9% interest compounded quarterly (4 times per year), how much interest will she earn in 10 years?
A=P(1+r/n)nt
Question 11
11.
The table shows the lengths of time, in minutes, between aftershocks following an earthquake. What is the interquartile range of the data?
Question 12
12.
Jess has collected a set of data and calculated the range to be 18. She is then told to add the following numbers to the set: {23, 26, 44, 45}
The new range of her data CANNOT BE
Question 13
13.
In a normal distribution, what percent of the data lies within three standard deviations of the mean?
Question 14
14.
Which value is the range of the entire box plot?
Question 15
15.
Which value is the mean of the box plot?
Question 16
16.
When Mrs. Myles gave a test, the scores were normally distributed with a mean of 72 and a standard deviation of 8. This means that 95% of her students scored between which two scores?
Question 17
17.
The masses of six children are 34.5 kilograms, 42.6 kilograms, 39.8 kilograms, 40.1 kilograms, 53.4 kilograms, and 33.8 kilograms. Find the mean mass.
Question 18
18.
Ervin bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the sample median of Ervin's scores?
Question 19
19.
A normally distributed set of data's graph resembles:
Question 20
20.
IQ scores are normally distributed with a mean of 100 and a standard deviation of 15.Out of a randomly selected 1200 people from the population, about how many of them would have an IQ between 70 and 130?