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kherson [118]
3 years ago
14

Can you solve this????? Super hard!

Mathematics
1 answer:
Likurg_2 [28]3 years ago
6 0

Answer:

  \textbf{J. }\dfrac{1}{x^2-x}

Step-by-step explanation:

Factor the denominator and cancel the common factor.

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

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Evaluate the square root
Alexandra [31]

\sqrt{a}=b\iff b^2=a\ for\ a\geq0\ and\ b\geq0\\\\\sqrt{\dfrac{1}{144}}=\dfrac{\sqrt1}{\sqrt{144}}=\dfrac{1}{12}\\\\\\\sqrt1=1\ because\ 1^2=1\\\\\sqrt{144}=12\ because\ 12^2=144

3 0
3 years ago
If your cell phone bill was 67.82 and there is a 1/20 late fee how much will your bill be with the late fee included?
almond37 [142]

Answer:

Assuming 1/20 is a 5% late fee:

$21.211

Step-by-step explanation:

67.82 x 1/20 = 3.391

67.82 + 3.391 = 71.211

4 0
3 years ago
What is the value of x? x−2/5=7 Enter your answer in the box in simplest form. x =
fenix001 [56]

Answer:

Your answer is 17.5

Step-by-step explanation:

Turn your fraction into a decimal

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Next multiply my given answer by 0.4

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3 0
3 years ago
The table shows the relationship between the cost of monthly cell phone Plan A and the number of minutes used within a month. Th
Rzqust [24]

Answer:

It should be $50.00.

Step-by-step explanation:

It shows that every 2 mins. adds 20 cents to the bill. I wrote out the numbers and did this:

6 30.60

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5 0
3 years ago
Read 2 more answers
Determine the diameter of a softball if it circumference is 5pi
Paha777 [63]
5/3.14= 1.592
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The formula to find the circumference is C= pi(d)
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I hope this helps
4 0
2 years ago
Read 2 more answers
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