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iris [78.8K]
3 years ago
8

3^x-3^(x-2)=A*3^x solve for A

Mathematics
1 answer:
ale4655 [162]3 years ago
3 0

Answer:

a=\frac{8}{9}

Step-by-step explanation:

3^x-3x^{x-2} =a3^x

Divide both sides by 3^x:

3^{x-x}-3^{x-x-2}=a

Simplify:

3^0-3^{-2}=a\\a=1-\frac{1}{9} \\a=\frac{8}{9}

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Bingel [31]

Answer: -3/7

Step-by-step explanation:

-3x + 5x +-3= 4x + 5x

7x=-3

x=-3/7

8 0
3 years ago
Read 2 more answers
Each cube in this rectangular prism is 1 cm3.What is the volume of the rectangular prism?
Lelechka [254]

Answer:

Volume of rectangular prism = 20\ cm^3

Step-by-step explanation:

Given rectangular prism is made up of small cubes of volume 1 cubic centimeter.

To find volume of rectangular prism.

Solution:

Volume of rectangular prism is = length\times width \times height

We know that all sides of a cube are equal in measure.

So, we will count the number of cubes on each side to get the exact measure.

Length side = 4 cubes = 5 cm

Width side = 2 cubes = 2 cm

Height side = 2 cubes = 2 cm

Thus volume of rectangular prism =  5\ cm\times 2\ cm \times 2\ cm

Volume of rectangular prism = 20\ cm^3

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3 years ago
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Step-by-step explanation:

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2 years ago
2x^2 +7x +3÷x^3 - x^2 +3x-10​
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Complete the following sentences: 7. In 49 is the base and is the exponent. 8.72 is the exponential form of 7*___ Rewrite each o
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Answer:

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