Dear t.elia could you please politely tell me the nth term and sequence

  1. profile image43
    Humy1308posted 8 years ago

    Dear t.elia could you please politely tell me the nth term and sequence

    can you please answer the following questions-a)3n=1.5 b) 2n+0.5 c)4n+1.5 d) 3n+2.5 e) 4n+0.5 f) 6n+2.5 g) 5n+3.5 h) 6n+3.5 h) n+7.5
    Thank you

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  2. t.elia profile image70
    t.eliaposted 8 years ago

    Hi Humy1308,


    3n  =  1.5


    Divide each side by 3 to get "n" on its own

    The two 3's on the left hand side will cancel each other out leaving you equation as;

    n  =  1.5 / 3

        =  0.5

    n  =  0.5 (ans)





    Question b

    2n  +  0.5

    Rewrite as follows;

    2n  +  0.5  =  0

    Bring the 0.5 over the = sign to the other side, it now becomes negative 0.5 ( change side , change sign) ok so far

    So we'll now do your equation;

    2n  +  0.5  =  0

    2n  +  0  -  0.5

    2n  =  - 0.5

    Divide each side by 2 to get "n" on its own

    the two's on the left hand side of the equation will cancel each other, leaving "n" on its own.

    so now we have;

    n  =  -  0.5 / 2

    n  =  -  0.25  (ans)



    Questions (C to H ) work in exactly the same way as question B
    So try these on your own and let me know how you get on please; always divide by the correct number to get "n" on its own.


    Question I

    n  +  7.5

    Rewrite as follows;

    n  +  7.5  =  0

    Bring the 7.5  over the = sign to the other side, it now becomes negative 7.5 ( change side , change sign) ok so far


    So we'll now do your equation;

    n  +  7.5  =  0

    n  =  0  -  7.5

    n  =  - 7.5 (ans)


    Use your calculator when dividing to find the answers to these questions.

    Good Luck

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