noemir42
07.10.2020 •
Mathematics
Lee can row ⅞ of a mile in ½ of an hour. What is the unit rate that describes the miles per hour?
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Ответ:
7/4 mi/h
Step-by-step explanation:
To find miles per hour, divide miles by hours:
(7/8 mi)/(1/2 h) = 7/4 mi/h
Ответ:
f(-2)=12
Step-by-step explanation:
All you need to do here is substitute the number in parentheses (-2) for x in the function:
f(-2)=3(-2)^2=3(4)=12
i think...