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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3/5 is 60% 3/15 is 20% divide 60% by 20% and you have a 3 hope this helps
A square has 4 sides each of X miles. Its diagonal is X times Square Root of 2.
If the diagonal is 8 miles then 8 = xSqrt(2)
x = 8/Sqrt(2)
Rationalize the Denominator, i.e. multiply by Sqrt(2)/Sqrt(2)
X = 8Sqrt(2)/2
X = 4Sqrt(2)