1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Musya8 [376]
2 years ago
7

Adding and Subtracting Rational Expressions.

Mathematics
1 answer:
n200080 [17]2 years ago
3 0
A rational expression is a ratio of two polynomials. To add or subtract two rational expressions with the same denominator, we simply add or subtract the numerators and write the result over the common denominator. When the denominators are not the same, we must manipulate them so that they become the same.
You might be interested in
What is the solution to this equation?<br> x/-4=8
guapka [62]
X=32

Explanation:
When you change sides, if in the left side you are multiplying, when you transfer it to right side you divide. Same thing should be done for addition subtraction.

So /-4 was division and negative number

When we transfered it, it became positive multiplication number

8 0
2 years ago
6b-9=-87 what is the answer
maw [93]

Answer:

Answer is below

Step-by-step explanation:

Add 9 to both sides.

6b-9+9=-87+9\\6b=-78

Divide both sides by 6

\frac{6b}{6} =\frac{-78}{6} \\b=-13

3 0
3 years ago
Read 2 more answers
The boiling point of water is 212 degrees Fahrenheit. Can this thermometer be used to record the temperature of a boiling pot of
Salsk061 [2.6K]
Yes because the thermometer reads temperatures higher than 2.12 degrees
4 0
3 years ago
Read 2 more answers
Need help with 6 dont know it
pickupchik [31]

Answer:

It should be 42.25 instead

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Brooke is paving the parking spot shown below. It costs \$40$40dollar sign, 40 to pave each square meter.
sashaice [31]

Answer:800

Step-by-step explanation:

dont know

6 0
2 years ago
Other questions:
  • What is the value of x?
    15·2 answers
  • Add the fractions and simplify the answer 1/2 +2 /3
    12·2 answers
  • What is 4c minus 7.8 if c is 4
    11·1 answer
  • What is the area of the obtuse triangle below?
    13·1 answer
  • Stephanie took a science exam that had two parts. Part 1: She got 16 questions correct, which was 45 of the number of part 1 que
    13·1 answer
  • Which unit is the largest?<br><br> decameter<br> millimeter<br> meter<br> centimeter
    5·2 answers
  • Reese is selling lemonade at the parade. He gets to keep 30% of the money he collects. A large lemonade is $4.00 and a small lem
    13·1 answer
  • Can anyone help me with this question.
    13·1 answer
  • Which graph has a domain of x&gt;-3<br><br> 25pts
    8·2 answers
  • The area of trapezium is 1586cm² and the distance between sides is 26cm.If one of the parallel sides is 84cm,find the other​
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!