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Ffion A.

asked • 01/16/18

maths questions help, please

given that log_a36-log_a4 = 1/2, find the value of A

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Andrew M. answered • 01/16/18

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Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors

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Note; Log_a x/y = log_ax - log_ay ...

log_a36 - log_a4 = 1/2

log_a36/4 = 1/2

log_a9 = 1/2

a^1/2 = 9

a = 9²

a = 81

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Ffion A.

thank you so much for this answer you are a life saver

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01/17/18

Andrew M.

You're very welcome. Best of luck.

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01/17/18

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