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Anton [14]
3 years ago
11

Are rational expressions closed under addition, subtraction, multiplication, and division?

Mathematics
1 answer:
Alik [6]3 years ago
7 0

Answer:

closed under addition, subtraction, multiplication, and division by a nonzero rational expression; add, subtract, multiply, and divide rational expressions. A rational expression is any polynomial divided by any polynomial except for zero.

Step-by-step explanation:

<h2><u><em>HOPE IT HELPS YOU!!!</em></u></h2>
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Jacky used the
Semenov [28]

Answer:

x = 1/20s so s=0

Step-by-step explanation:

1. 80xs/80s = 4/80s

2. you will get: 1/20s so technically 2=0

8 0
4 years ago
The length of a flea is approximately one million times longer than the width of DNA. Which is a reasonable measure for the widt
scZoUnD [109]

Answer:

The answer is A

Step-by-step explanation:

That is because one million has 6 digits and I'm guessing that the flea is measured in millimeters. So you just add the two decimal places. So, you add the one million (count the number of zeroes in a million) to the number of decimal places that the dot was moved. So from a measure of meter you move the dot one place right and you decrease the measuring unit. So, first is meter then centimeter and then millimeter.

5 0
3 years ago
Can someone answer? Please I tried everything I don’t know how to do this.
dedylja [7]

Step-by-step explanation:

  • -7.2(x-15.6)= -9
  • -7.2x+112.32= -9
  • -7.2x= -9-112.32
  • -7.2x= -121.32
  • x= -121.32/ -7.2
  • x=16.85

<h2>hope it helps.</h2><h2>stay safe healthy and happy.</h2>
4 0
3 years ago
Where is the error in solving this equation?
yaroslaw [1]
X should equal negative 2
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Which expression is equivalent to
slavikrds [6]

Answer:

Can you please make the question more clear, then we'll be able to help you.

3 0
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