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Andrei [34K]
3 years ago
5

Rewrite the expression from part B by distributing -1 from each of the negative numbers.

Mathematics
1 answer:
WINSTONCH [101]3 years ago
6 0

Answer:

I dont know an and i really need help on somthing and i dont have points and i joined today and got no points.

Step-by-step explanation:

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Of the following integers, which is the closest approximation to (2√+5√)2(2+5)2?A. 7B. 10C. 13D. 15E. 17
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Answer:

C. 13

Step-by-step explanation:

from on online source, the question should be placed as thus:

Of the following integers, which is the closest approximation to (√2 + √5)^2 ?

A. 7

B. 10

C. 13

D. 15

E. 17

This is known as Algebraic expression. So we have to expand to simplify further

using  this identity  th (a+b)^2 = a^2 + b^2 +2ab

(√2 + √5)^2 =

(√2 + √5)(√2 + √5)

................Expansion of the above

\sqrt{2}* \sqrt{2} +\sqrt{2}* \sqrt{5} +\sqrt{2} *\sqrt{5}+\sqrt{5} *\sqrt{5}

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~ 2 +5 + 2(3)

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3 years ago
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Answer:

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Step-by-step explanation:

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