17-09-2016
Mathematics

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The golden ratio or golden mean is represented as (1 + √5) : 2.

What is its decimal value to the nearest thousandth? (Hint: Use a calculator to evaluate (1+√5) divided by 2.)

A. 1.618
B. 1.118
C. 1.414
D. 1.424

The golden ratio or golden mean is represented as 1 5 2 What is its decimal value to the nearest thousandth Hint Use a calculator to evaluate 15 divided by 2 A class=

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TheSMan TheSMan

17-09-2016

even without calculator....
√5 is greater than √4
so it is more than 2 (2x2=4)
1 + ≥2 = ≥3
divide 3 by 2 gives 1.5 and only one answer is greater than 1.5
so answer has to be A. 1.618

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