Math:Radical + regular number

Example : 4 + 5 radical 3

How does that work??

And how do you divide the answer with 12?

(P.S made the problem up but that's the concept of what I don't get)

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  1. 4+5^3 5 x 5 x 5 =125

    125+4 = 129 129/12 = 1.75

    all you gotta do is take it step my step... always remember PEMDAS

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  2. 4 + 5 radical 3
    = 4 + 5√3
    = 4 + 5(1.7321)
    = 12.6603

    now if you want to divide that by 12, just do it
    to get 1.055

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