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What is the approximate area of a circle with a radius of 13 cm? A.) 40.8 cm^2 B.) 530.7 cm^2 C.) 784 cm^2 D.) 2461.8 cm^2
asked
Nov 10, 2017
Mathematics
middle-school
1
answer
5
votes
9.0k
views
The phrase "twice the sum of a number and three" can be written as which variable expression? A. 2n + 3 B. 2 + (2n + 3) C. 2(n + 3) D. 2(2n - 3)
asked
Apr 22, 2016
Mathematics
high-school
1
answer
0
votes
33.7k
views
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