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stiv31 [10]
3 years ago
5

Simplify the radical expression: √20+6√5

Mathematics
1 answer:
PolarNik [594]3 years ago
6 0
<span>√20 + 6√5
= </span><span>√(4 * 5) + 6√5
= 2</span><span>√5 + 6√5
= </span>√5 (2 + 6)
= 8√5

Hope it helps
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-0.7 - (-2.5) = 

-0.7 + 2.5 = 

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1.8 is your answer

hope this helps
3 0
3 years ago
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Answer:

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Step-by-step explanation:

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iris [78.8K]

Answer: The range is 13.  The mean is 10. The standard deviation is 4.62 .

Step-by-step explanation:

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The standard deviation is given by :-

\sqrt{\dfrac{1}{n}(\sum^6_{i=1}(x_i-\overline{x})^2)}\\\\=\sqrt{\dfrac{1}{6}(\sum^6_{i=1}(x_i-10)^2)}\\\\=\sqrt{\dfrac{1}{6}\times(49+16+1+1+25+36)}=4.61880215352\approx4.62

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6 0
3 years ago
Solve the inequality.<br><br> 2(4 + 2x) ≥ 5x + 5?<br><br> x ≤ ?
NikAS [45]
2(4+2x)≥5x+5
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Hope this helps
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Step-by-step explanation:

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