15/40 x 100 = 37.5
equation for percent decrease is diiference/original x 100.
Answer: it’s c
Step-by-step explanation:
I answered the question and got it right
Answer:
Using the concept of speed-distance-time, we find that the diameter of the circular path is 12 inches.
Step-by-step explanation:
Given that the object completes one revolution in 8 seconds. So, the circular speed of the object is 2πr/8 = πr/4 inches per seconds, where r is the radius of the circular path. The speed can be written as:
πr/4 inches per seconds = 60πr/4 inches per minute = 15πr inches per minute.
But, it is given that the circular speed of the object is 90π inches per minute. So,
90π = 15πr
r = 6 inches
Since, diameter is the double of radius, d = 2r = 12 inches.
For more explanation, refer the following link:
brainly.com/question/17978382
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10.50/5=2.10
2.10*4=8.40
She used to earn $8.50/hr
Answer:
f = (9c/5) + 32
Step-by-step explanation:
im pretty sure maybe
