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4 years ago

If 3 to the power of k+3 minus 3 to the power of k equals m, what is 3 to the power of k+2 in terms of m?

Mathematics

1 answer:

Sergeu [11.5K]4 years ago

8 0

Answer:

3^(k+2) = 9m/ 26

Step-by-step explanation:

Let 3^k = y :

y×3^3-y = m

26y = m

26×3^k = m

3^(k+2) = m/26×3^2

Therefore 3^(k+2) = 9m/26

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3 years ago

) What would the value of c be when

jasenka [17]

The value of c is 233.3

Step-by-step explanation:

Given equation is:

$\frac{18}{20}c-250=-40$

To find the value of c, we have to isolate c on one side of the equation

So,

Adding 250 on both sides

$\frac{18}{20}c-250+250=-40+250\\\frac{18}{20}c=210$

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Rounding off to the nearest one decimal place

c=233.3

The value of c is 233.3

Keywords: Linear Equation, Solution of linear equation

Learn more about linear equations at:

#LearnwithBrainly

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3 years ago

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Answer:

Step-by-step explanation:

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In order to really understand this we need to break it down into simple terms.

Basically what we are doing here is adding two things together.

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