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Kcloughley
01.09.2020 •
Mathematics
The wheels on Noah's bike has a circumference of about 5 ft. How many times do the wheels rotate if Noah rides 40 feet?
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Ответ:
8
Step-by-step explanation:
circumference of about 5 ft means perimeter of 5 ft.
every full circle the wheel rotates it goes 5 ft
So 40 ft divided by 5 ft is 8
8 rotates
Ответ:
f(x)=(x+1)^2-2 is the minimum and g(x)=-(x-2)^2+1 is the maximum
Step-by-step explanation:
Looking at the graph, (you should be able to graph this) the parabola for f(x)=(x+1)^2-2 is pointing downwards and stops at the vertex. This vertex is negative which is the lowest point possible which makes it the minimum. The parabola for -(x-2)^2+1 is pointing upwards and stops at the vertex which is the highest point possible which makes it the maximum.