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2 years ago

Write this expression given as a equivalent expression in simplest form.(3x-4+)(2x+1)

Mathematics

1 answer:

mr Goodwill [35]2 years ago

3 0

Answer

5x-3

Step-by-step by explanation

3x-4+2x+1

3x+2x is 5x

-4+1 is -3

5x-3

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Type the correct answer in each box. If necessary, use / for the fraction bar(s).

Tom [10]

Given:

The values are $a=0.\overline{6},b=0.75$ .

To find:

The values of $ab$ and $\dfrac{a}{b}$ .

Solution:

We have,

$a=0.\overline{6}$

$a=0.666...$ ...(i)

Multiply both sides by 10.

$10a=6.666...$ ...(ii)

Subtracting (i) from (ii), we get

$10a-a=6.666...-0.666...$

$9a=6$

$a=\dfrac{6}{9}$

$a=\dfrac{2}{3}$

And,

$b=0.75$

$b=\dfrac{75}{100}$

$b=\dfrac{3}{4}$

Now, the product of a and b is:

$ab=\dfrac{2}{3}\times \dfrac{3}{4}$

$ab=\dfrac{1}{2}$

The quotient of a and b is:

$\dfrac{a}{b}=\dfrac{\dfrac{2}{3}}{\dfrac{3}{4}}$

$\dfrac{a}{b}=\dfrac{2}{3}\times \dfrac{4}{3}$

$\dfrac{a}{b}=\dfrac{8}{9}$

Therefore, the required values are $ab=\dfrac{1}{2}$ and $\dfrac{a}{b}=\dfrac{8}{9}$ .

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21,28,35 determine whether the triangle is acute, right,obtuse, or not a triangle.

Sav [38]

Answer:

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Step-by-step explanation:

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Bad White [126]

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☁︎☁︎☁︎☁︎☁︎☁︎☁︎☂︎☁︎

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