Questions asked
Clarissa Barr
Numerade educator
A rental car company charges $30 plus 35 cents per each mile driven. 1. Find the linear model that give the price, P, for m miles driven. 2. Determine the total cost of driving 375 miles. 3. How far can you drive on $74.40?
Tim Thornhill
The rabbit population at the city park increases by 12% per year. If there are initially 292 rabbits in the city park. Part 1: Write a model for the population (y) in terms of years (t). Answer: Part 2: Find the rabbit population in 16 years. (Round to the nearest whole rabbit) Answer:
The current student population of Pittsburg is 2700. If the population decreases at a rate of 2.7% each year. 1. Enter the letter of the exponential growth model for the future population P(x) where x is in years. a) P left parenthesis x right parenthesis equals 2700 left parenthesis.027 right parenthesis to the power of x b) P left parenthesis x right parenthesis equals 2.7 left parenthesis 2700 right parenthesis to the power of x c) P left parenthesis x right parenthesis equals 2700 left parenthesis.973 right parenthesis to the power of x Answer: 2. Using the formula you found in part 1, what will the population be in 9 years? Answer:
Sanchit Jain
On a nationwide math test, the mean was 70 and the standard deviation was 4. If Roberto scored 75, what was his z-score? Use the formula where is the mean, is the standard deviation, and x is Roberto's score. Round to 4 decimal places.
Anna D.
The scores on a standardized test are normally distributed with a mean of 115 and standard deviation of 5. What test score is 1.3 standard deviations above the mean?