Concept explainers
(a)
To calculate: The number of people that a
(b)
To calculate: The number of people that a
(c)
To calculate: The number of people that a 18-lb ham should serve, if the number of people an 8-lb ham serve is 20 people that varies directly as the weight of the ham.
(d)
To calculate: The weight of a ham that can serve
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ALEKS 360 COLLLEGE ALGEBRA ACCESS
- Gas mileage actually varies slightly with the driving speed of a car (as well as with highway vs. city driving). Suppose your car averages 29 miles per gallon on the highway if your average speed is 48 miles per hour, and it averages 26 miles per gallon on the highway if your average speed is 65 miles per hour. Answer parts (a) and (b) below. a. What is the driving time for a 2300-mile trip if you drive at an average speed of 48 miles per hour? What is the driving time at 65 miles per hour? The driving time at 48 miles per hour is hours. (Type an integer or decimal rounded to two decimal places as needed.) The driving time is at 65 miles per hour is (Round to two decimal places as needed.) b. Assume a gasoline price of $4.43 per gallon. What is the gasoline cost for a 2300-mile trip if you drive at an average speed of 48 miles per hour? What is the gasoline cost at 65 miles per hour? The gasoline cost at 48 miles per hour is $ (Round to two decimal places as needed.) hours. The…arrow_forwardC= 57,740 – 1,158n The equation above estimates the total number of newspapers, C, in thousand, that were sold in the United States in the nth year after the year 2000. The number 1,158 in the equation above gives which of the following estimates? A) Every year the circulation decreases by 1,158 newspapers. B) Every year the circulation decreases by 1,158,000 newspapers. C) For every decrease of 1,158 newspapers, there are 57,740 fewer readers. D) For every decrease of 1,158,000 newspapers, there are 57,740 fewer readers.arrow_forwardASAParrow_forward
- Gwen is interested in the effect of bananas on the speed and endurance of high school cheerleaders. She recruits 20 cheerleaders from high schools in California. Each cheerleader was asked to run as many laps as they could in 20 minutes on a standard 100M track. Two weeks later the same cheerleaders were asked to run as many laps as they could in 20 minutes but were asked to eat a banana 10 minutes prior to starting. The number of laps completed (to the nearest quarter lap) was recorded. What is the sample of this study?arrow_forwardThe scatterplot shows the relationship between Marvin's age and the time it took him to run a mile. Running Times 10 12 14 16 18 Age (years) Which statement best describes the relationship between Marvin's age and the time it takes him to run a mile? As Marvin's age increased, the time it took him to run a mile increased. As Marvin's age increased, the time it took him to run a mile decreased. As Marvin's age increased, the time it took him to run a mile remains constant. There is no relationship between Marvin's age and the time it took him to run a mile. ttps://ola3.performancematters.com/ola/ola.jsp?clientCode=Dvahenricocounty# P Type here to search Time to Run a Mile (minutes)arrow_forwardGwen is interested in the effect of bananas on the speed and endurance of high school cheerleaders. She recruits 20 cheerleaders from high schools in California. Each cheerleader was asked to run as many laps as they could in 20 minutes on a standard 100M track. Two weeks later the same cheerleaders were asked to run as many laps as they could in 20 minutes, but were asked to eat a banana 10 minutes prior to starting. The number of laps completed (to the nearest quarter lap) was recorded. What is the sample of this study? 1) The 20 cheerleaders measured 2) All Cheerleaders in California 3) Banana aficionados 4) All cheerleaders in California who reguarly eat bananasarrow_forward
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