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evablogger [386]

2 years ago

14

Shoron maintains her one library's at home she equally distribute her books on a shelves if there are 27 books on a shelf how ma

ny books does she have

2 answers:

Zielflug [23.3K]2 years ago

4 0

If you have 8 shelves and each shelf has 27 books than you will have 216 because 8*27=216

Lera25 [3.4K]2 years ago

3 0

I would need to know how many many shelf there are to answer that question?

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Which of the following is an extraneous solution of the square root of -3x-2=x+2

yarga [219]

Answer:

x=-6 is an extraneous solution

Step-by-step explanation:

we have

$\sqrt{-3x-2} =x+2$

squared both sides

$-3x-2=(x+2)^2$

$-3x-2=x^2+4x+4$

$x^2+7x+6=0$

solve the quadratic equation by graphing

The solution is x=-6 and x=-1

see the attached figure

<u><em>Verify each solution</em></u>

substitute the value of x in the original expression

For x=-6

$\sqrt{-3(-6)-2} =-6+2$

$\sqrt{16} =-4$

$4=-4$ ----> is not true

so

Is an extraneous solution

For x=-1

$\sqrt{-3(-1)-2} =-1+2$

$\sqrt{1} =1$

$1=1$ ----> is true

so

Is the solution

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3 years ago

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lutik1710 [3]

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Alex

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Step-by-step explanation:

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You and three friends go out to eat and decide to split the bill evenly. The food you order comes to a total of $48. If you leav

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