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3 years ago

Evaluate the expression without using a calculator logbase5 (1/25)

Mathematics

1 answer:

Ivanshal [37]3 years ago

7 0

Hey there! :)

Answer:

㏒ $_{5}$ (1/25) = -2.

Step-by-step explanation:

Starting with:

㏒ $_{5}$ (1/25) =

We can rewrite this expression as:

$5^{x} = 1/25$

1/25 is equivalent to $5^{-2}$ , therefore:

$5^{x} = 5^{-2}$

x = -2.

Therefore, ㏒ $_{5}$ (1/25) = -2.

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3 years ago

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3 years ago

In triangle A B D , the measure of angle A is 10 degree less than the measure of angle B . The measure of angle D is 20 degree m

elixir [45]

Answer:

Measure of angle A is 27 7/9 degrees.

Step-by-step explanation:

Lets call measure of angle A is X-10

Lets call measure of angle B is X

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We know that the sum of triangles add up to 180 degrees

X+X-10+2.5X+20=180

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So measure of angle A is 27 7/9 degrees.

I hope this is right. :)

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3 years ago