Mathematics
Twin03
8

145 300 610 1230 In the above sequence every term after the first is formed by multiplying by x and then adding y, where x and y are positive integers. What is the value of x + y?

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(1) Answers
maria169

Multiplying by 2 and then adding 10 145*2=290+10=300 300*2=600+10=610 610*2=1220 + 10=1230 x=2 y=10 x+y=12

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