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My name is Ann [436]

3 years ago

6

Use the clustering estimation technique to find the approximate total in the following question.What is the estimated sum of 403

, 572, 486, 599, 539, and 522?

1 answer:

ICE Princess25 [194]3 years ago

6 0

Since all of these numbers are relatively close to 500, we can do 500*6 to get 3000.
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Hope this helps!

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Vladimir [108]

Answer:

a = 3/2
b = -1/2

Step-by-step explanation:

$\dfrac{\sqrt{5}-1}{\sqrt{5}+1}=\dfrac{(\sqrt{5}-1)(\sqrt{5}-1)}{(\sqrt{5}+1)(\sqrt{5}-1)}\\\\=\dfrac{5-2\sqrt{5}+1}{5-1}=\dfrac{6-2\sqrt{5}}{4}\\\\=\dfrac{3}{2}-\dfrac{1}{2}\sqrt{5}$

Comparing this to the form a+b√5, we see that ...

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