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jok3333 [9.3K]
3 years ago
15

What is the least common denominator of the fraction 7 over 3 x plus the fraction 2 over x plus the fraction x over x minus 1?

Mathematics
1 answer:
Olin [163]3 years ago
7 0
I didn't understand well the way you typed but I think that it is 7/3x + 2/x + x/x-1 , right?  So the last common denominator is the one you can divide by all denominators and multiply by the nominator.  So, it would be, if I understood well what you asked, 3x(x-1).



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Hope this helps! :)
There is an explanation in the photo below, as well as some things to remember!

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A cell phone company charges $45 per month for unlimited calls and $0.25 per text messages. Another call phone company $0.15 per
Lina20 [59]

Answer:

You first start by making your equation: 45 +.25x = 70 +.15x. then subtract .15x from both sides. it should look like 45 +.10x = 70. subtract 45 from both sides then you get .10x = 25. divide 10 to both sides and you get 250. so the two companies will be the same at 250 texts.

Step-by-step explanation:

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Which of the following are true about regression with one predictor variable (often called "simple regression")? A. After conduc
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Answer:

A

Step-by-step explanation:

Simple linear regression is a statistical method that summarizes and study relationships between two continuous quantitative variables.

One variable is regarded as the predictor, explanatory, or independent variable and the other variable is regarded as the response, outcome, or dependent variable.

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3 years ago
Daisy measured the heights of 20 plants.
sergiy2304 [10]

Answer:

  • 30.5 cm

Step-by-step explanation:

<em>Refer to attached</em>

  • Height of plants (h) >> Frequency >> Midpoint >> Frequency x midpoint
  • 0 <h < 10 >>  1  >> 5 >> 5
  • 10 <h < 20 >> 4 >> 15 >>  60
  • 20 <h < 30 >> 7 >> 25 >> 175
  • 30 <h < 40 >> 2 >> 35 >> 70
  • 40 <h < 50 >> 3 >> 45 >> 135
  • 50 <h < 60 >> 3 >> 55 >> 165

Sum of frequencies = 20

Sum of frequency x midpoint product = 610

<u>Mean height </u>

  • 610/20 = 30.5 cm

5 0
4 years ago
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