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xxMikexx [17]
4 years ago
5

Please help!!! :)))

Mathematics
1 answer:
vodomira [7]4 years ago
7 0

Answer:

5

Step-by-step explanation:

5+ 2*((4+6)/(2*5) ) -2

Parentheses first

5+ 2*((10)/(10) ) -2

5+ 2*(1 ) -2

Mutliplication

5+2 -2

Addition and subtraction

5

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Answer:

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Step-by-step explanation:

Check:

a_n=n^2+1\\\\a_1=1^2+1=1+1=2\qquad CORRECT\\\\a_2=2^2+1=4+1=5\qquad CORRECT\\\\a_3=3^2+1=9+1=10\qquad CORRECT\\\\a_4=4^2+1=16+1=17\qquad CORRECT\\\\a_5=5^2+1=25+1=26\qquad CORRECT

Used PEMDAS:

P Parentheses first

E Exponents (ie Powers and Square Roots, etc.)

MD Multiplication and Division (left-to-right)

AS Addition and Subtraction (left-to-right)

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Step-by-step explanation:

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