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Sergio039 [100]
4 years ago
13

What is the difference (x/x^2+3x+2)-(1/(x+2)(x+1)

Mathematics
2 answers:
timama [110]4 years ago
8 0
Answer is D i believe
hodyreva [135]4 years ago
4 0

Answer:

Option D is correct

The difference of  \frac{x}{x^2+3x+2}- \frac{1}{(x+2)(x+1)} = \frac{x-1}{x^2+3x+2}

Step-by-step explanation:

To find the difference of the equation:

\frac{x}{x^2+3x+2}- \frac{1}{(x+2)(x+1)}             ....[1]

first multiply the terms

(x+2)(x+1) =(x^2+x+2x+2)

Substitute this in equation [1], we have

\frac{x}{x^2+3x+2}- \frac{1}{x^2+3x+2}

If the denominators are same, then we have

\frac{x+(-1)}{x^2+3x+2} = \frac{x-1}{x^2+3x+2}

Therefore, the difference of the given equation  \frac{x}{x^2+3x+2}- \frac{1}{(x+2)(x+1)} is,   \frac{x-1}{x^2+3x+2}




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Shawna has $750 in the bank.she deposits $37.50 each week.Ruben has $850 in the bank.He deposits his paycheck of $102.75 every M
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Answer:

Step-by-step explanation:

Answer: it would take 20 weeks before the amount in both accounts would be the same.

Step-by-step explanation:

Let x represent the number of weeks that it will take either Ruben and Shawna to have the same amount of money in their account.

Let y represent the total amount that would be in Shawna's account after x weeks

Let z represent the total amount that would be in Ruben's account after x weeks

Shawna has $750 in the bank. She deposits $37.50 each week. This means that the total amount after x weeks would be

y = 37.5x + 750

Ruben has $850 in the bank. He deposits his paycheck of $102.75 every Monday,and he spends about $70.25 each week.. This means that the total amount after x weeks would be

z = 850 + 102.75x - 70.25x

z = 850 + 32.5x

To determine the number of weeks before the amount in both accounts will becomes the same, we would equate y to z. It becomes

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3 years ago
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Answer:

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Step-by-step explanation:

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