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Vera_Pavlovna [14]

4 years ago

12

What is 3.4 divided by 4 and please show your work.

1 answer:

almond37 [142]4 years ago

3 0

Ok so you set up the problem by putting the 3.4 inside the division box and put the 4 outside. 4 can't go into 3 so bring up the decimal but it can go into 34 so you find out that 4 can go into 34, 8 times so 34-32 is 2. Then you add a 0 after 3.4 so it would look like 3.40 and bring it down making a 20 and 4 can go into 20, 5 times. Making the answer .85

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nadezda [96]

Answer:

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3 years ago

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X/x-2 + x-1/x+1= -1<br> Can someone walk me through the steps of this problem? Much appreciated. :)

stealth61 [152]

Answer:

x = 0 or x = 1

Step-by-step explanation:

Given equation:

$\dfrac{x}{x-2}+\dfrac{x-1}{x+1}=-1$

Multiply the two denominators to get the same denominator:

Multiply the numerator of the first fraction by the denominator of the second fraction to get the new numerator of the first fraction.

Multiply the numerator of the second fraction by the denominator of the first fraction to get the new numerator of the second fraction.

$\implies \dfrac{x(x+1)}{(x-2)(x+1)}+\dfrac{(x-2)(x-1)}{(x-2)(x+1)}=-1$

Add the numerators and keep the denominator so that there is now one fraction:

$\implies \dfrac{x(x+1)+(x-2)(x-1)}{(x-2)(x+1)}=-1$

Simplify the numerator by expanding the brackets:

$\implies \dfrac{x^2+x+x^2-3x+2}{(x-2)(x+1)}=-1$

$\implies \dfrac{2x^2-2x+2}{(x-2)(x+1)}=-1$

Simplify the denominator by expanding the brackets:

$\implies \dfrac{2x^2-2x+2}{x^2-x-2}=-1$

Multiply both sides by the denominator of the left side:

$\implies 2x^2-2x+2=-1(x^2-x-2)$

Simplify and move everything to the left side:

$\implies 2x^2-2x+2=-x^2+x+2$

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Factor:

$\implies 3x(x-1)=0$

Therefore:

$\implies 3x=0 \implies x=0$

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8 0

2 years ago

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Brainliest! Fast answer! Correct answer!

IRINA_888 [86]

Answer:

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Step-by-step explanation:

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3 years ago

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PilotLPTM [1.2K]

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4 years ago

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BabaBlast [244]

Answer:

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3 0

4 years ago