First step is to find the circumference of the wheel (pi x diameter)
The radius is half of the diameter so 2 x 30 = 60
60 x pi (3.14) = 188.4 centimeters or 1.884 meters
Changing the kilometers into meters, and diving by 3 (to reduce the 3 hours into meter per hour) you'd get the total distance covered is 36,000 meters which equates to 12,000/hour or 200 meters/minute or 3.33 meters/second.
You take 3.33 and divide it by 1.884 which will give you 1.7675
Now you multiply it by the number of degrees of the wheel (which of course is 360) so 1.7675 x 360 = 636.3
Your answer is 636.3 degrees per second.
Answer:
Step-by-step explanation:
Answer: The height is about 25 cm.
Answer:
The explicit rule for this situation is
In row 12 there will be 14 pins
Step-by-step explanation:
We have an initial amount of 3 pins in the first row. Let's call the number of pins in row n.
where n is an integer and .
So
In row n + 1 there will always be a pin more than in the previous row n, then:
Then:
<em>Finally in row 12 there will be:
</em>
Answer:
It would most likely be 0.9.
Step-by-step explanation:
The correlation coefficient ranges from -1 to 1 and is dependent on how strong the correlation is between the points. It cannot be 1.2 as it is above one and it cannot be 1 because all the points do not line up on the line of best fit. However, most do, so we can assume that there a strong positive linear relationship which means 0.9 would be the correct answer. The close r gets to zero means the less of a correlation there is. The line of best fit isn't negative so it cannot be -0.23 and it has a strongly positive correlation, not a weak one so it isn't 0.13.