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Lalagrl
03.02.2020 •
Mathematics
Gas mileage is the number of miles you can drive on a gallon of gasoline. a test of a new car results in 490 miles's on 10 gallons of gas. how far could you drive on 45 gallons of gas? what is the cars gas mileage. plz answer both questions and explain how to do it! thnx
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Ответ:
Ответ:
Explanation- You have to divide the number of miles (490) by the amount of gallons used (10).
490 divided by 10 equals 49
First question= 2,205 miles
Explanation- Once you know what the unit rate (gas mileage) is then you can just multiply the amount of miles on 1 gallon by 45 gallons.
49 multiplied by 45 equals 2,205
Ответ:
The coach should start recruiting players with weight 269.55 pounds or more.
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 225 pounds
Standard Deviation, σ = 43 pounds
We are given that the distribution of weights is a bell shaped distribution that is a normal distribution.
Formula:
We have to find the value of x such that the probability is 0.15
Calculation the value from standard normal z table, we have,
Thus, the coach should start recruiting players with weight 269.55 pounds or more.