2 years ago

Simplify the expression (1/5k)^2

Mathematics

1 answer:

sesenic [268]2 years ago

6 0

Answer:

k^2 ÷ 5^2

Step-by-step explanation:

— <<Simplify

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Evaluate 1/4c+3d when c=6 and d=7

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3 years ago

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Approximate: log5 4/7

Evgesh-ka [11]

Properties of Logs

logb(x/y) = logbx - logby.

therefore

log5 (4/7)= log5 (4)- log5 (7)

Solve log 5 (4) and log 5 (7) with the base change of the logarithm

log 5 4 = log 4 / log 5

Use the calculator:

log 5 4 =0.8613531161

log 5 7 = log 7 / log 5

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log5 (4/7)= log5 (4)- log5 (7)=-0.347708839

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