Answer:
6x
Step-by-step explanation:
I'm pretty sure
<u><em>I don't know if this is 100% correct...but i think this is how you would solve this problem!!!</em></u><u><em /></u><em />
OOOKKKKK.........
We all know that a well is circular. So, First, lets find out the circumference of the wheel.
Given :
radius = 10 feet
π = 22 / 7
We know,
Circumference = 2πr
= 2 × (22 / 7) × 10
= 62.9 ft.
Now,
One revolution means the wheel has covered a distance equal to its circumference. So, 22 revolutions per minute means that the wheel is covering 22 times its circumference in 1 minute. So, Lets convert the revolution to feet.
Given,
The wheel is travelling at 22 revolutions per minute.
= 22 * Circumference per minute
= 22 * 62.9 ft. per minute
= 1383.8 ft. per minute
Now, that we know how much feet it is travelling in 1 minute, we can easily find how much it takes it to travel 10 feet.
Using unitary method,
The wheel travels 1383.8 ft. in 1 minute
The wheel travels 1383.8 ft. in 60 seconds.
The wheel travels 1 ft. in (60 / 1383.8) seconds.
The wheel travels 10 ft. in (60 / 1383.8) * 10 seconds.
= 0.4 seconds
So, the answer is 0.4 seconds. Of course...the answer is rounded!!
If you look at all of the numbers upside down then you get the sequence 86 ?? 88 89 90 91 so the ?? Will be 87, and the closest to upside down 87 is 18
Answer:
(+,-)
Step-by-step explanation:
quadrant 1 is (+,+)
quadrant 2 is (-,+)
quadrant 3 is (-,-)
quadrant 4 is (+.-)
