It took a car 5 days to travel 2853 miles. What was this car's average speed, in miles per hour? (round to the nearest mile per hour)

24 miles per hour

Step-by-step explanation:

First we need to convert days to hours. Since there are 24 hours in one day we need to multiply 5 by 24

This gives us 120 hours. Now we need to divide the total miles by the total hours

Finally we need to round to the nearest mile per hour/ones digit. When rounding, remember if it is 4 or below you round down, and if it is 5 or about you round up.

23.775 - 5 is high so round up

23.78 - 8 is high so round up

23.8 - 8 is high so round up

24 is the final answer

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answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11