mungoyum
mungoyum mungoyum
  • 08-05-2018
  • Mathematics
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Please help me on The last two questions thank you

Please help me on The last two questions thank you class=

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Аноним Аноним
  • 08-05-2018
P = irt
to isolate t divide both sides  of the '=' by ir:-

P      irt
-- =  ---
ir       ir

t = P / ir      Its second choice.

5.   c = rt + k
    c - k  = rt + k - k
    c - k  = rt 

t   = (c - k) / r     The first choice

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