Answer:
x = 7
Step-by-step explanation:
7 = 7
It's given
Top one there is not solution <span />
Answer:
94.28 inches/second.
Step-by-step explanation:
The length of the circumference of the circular path with 10 inches radius is =
inches.
Now, the point on the edge of the wheel moves by 3 revolutions in 2 seconds.
So, in 2 seconds the point moves a linear distance of (3 × 62.85) = 188.57 inches.
Therefore, the linear velocity of the point in inches per second is
inches per second.
(Answer)
Answer:
The answer is C.
Step-by-step explanation:
The answer is C because both numbers in 4:9 can be multiplied by the same factor (3) to get 12:27, the answer. No other choice works because they require two different number factors, not just one, which means they aren't equivalent ratios to 4:9.