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(1/2)n+r n - 30. r - 6
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(1/2)n+r n - 30. r - 6
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May 17, 2021
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(1/2)n+r
n - 30. r - 6
Mathematics
high-school
BadSantos
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1
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Answer:
21
Explanation:
1/2*30+6 = 15+6 = 21
Hope I helped
ProfMamba
answered
May 22, 2021
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ProfMamba
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