May 27, 2016

Homework Help: maths

Posted by k on Tuesday, August 14, 2007 at 2:33pm.

how wod i solve the following two eqautions? either exactly or to 3 significant

a)2^x = 5

b)3^x+1 = 7

i know a) is 2.32 and b) is 0.771 but i dont know how to show it out step by step in how i worked it out .

can sum1 plz help me

You have to use logs, and learn how to do that on your calculator.

x+1= log3 7

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