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german
3 years ago
13

kim had 13 pencils, she gave some pencils to her friend, and then sge got 2 new pencils. now she has 9 pencils. how many did she

give her friend
Mathematics
2 answers:
Katyanochek1 [597]3 years ago
6 0
Answer is 6, 13-6= 7+2=9 :)
Irina-Kira [14]3 years ago
5 0
5, because 9 minus 2 is how many pencils she has (which is 7), and if you do 13 minus 7, you get 5.
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the shaded semicircle has a diameter of 4 times r (so the radius is 2 times r), and the area is equal to half the area of a circle:

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