Which is an arithmetic sequence?A)9, 12, 16, 20...B)9, 11, 13, 16...C)1, 5, 9, 13, 17...D)12, 14, 16, 18...
marta [7]
Answer: https://www.khanacademy.org/commoncore/grade-HSF-F-IF#HSF-IF.A.3
Step-by-step explanation:
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B) 35
the formula is .5(outer angle - inner angle) = .5(100-30)=.5*70=35
Answer
No. The amounts of change are the same, but the original amounts are different. The ratio for the percent increase from 50 to 70 is 20/50, or 40%. The ratio for the percent decrease from 70 to 50 is 20/70, or about 29%.
Answer:428.67
Step-by-step explanation:
πr (r+square root(h2+r2) plug in the numbers
Answer:
-16s+40
Step-by-step explanation:
