Ashu638
06.10.2020 •
Mathematics
What is the sum of 9 and -9? A. -18 B.18 C.0
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Ответ:
C. 0
Step-by-step explanation: 9+(-9) is the same thing as 9 - 9 which equals 0.
Ответ:
The circumference of the circle A = 110 cm and the circumference of the circle B = 132 cm
Step-by-step explanation:
Circumference of circle A = 2πr = 110
[2×(22/7)×r ]= 110
r = (7×5)/2 = 17.5 cm.
Circumference of circle B = 2πR = 132