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2 years ago

-9/54 - (-12/54) What is the answer in fraction form?

Mathematics

1 answer:

Fofino [41]2 years ago

5 0

Answer:

1/18

Step-by-step explanation:

Just go to calculator and write -9÷54-(-12÷54)

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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

Verify each solution

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

Is an extraneous solution

For x=-1

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

$\sqrt{1} =1$

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

Is the solution

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3 years ago

I need help on this problem! g(h+2/3)=1 for h

Tju [1.3M]

Answer:

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I hope I helped you^_^

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3 years ago

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