Answer:
That's just -6
Step-by-step explanation:
The 19 is smaller then the 25 so you gotta go back to the negatives, so do 25 - 19 but add a negative.
Answer:
15 cm
Step-by-step explanation:
Circumference of circle= 2πr, where r us the radius of the circle.
Given that the circumference of circle is 60πcm,
60π= 2πr
Divide by 2 on both sides,
15π= πr
Divide by π on both sides,
15= r
Thus, radius of circle= 15cm.
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The domain would be (negaive infinity, positive infinity)
At this case it could be calculated like this: 7+5*20=107
