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
Degger [83]
2 years ago
13

a. Show that the system of rational expressions is closed under addition, or give an example showing the contrary.

Mathematics
1 answer:
otez555 [7]2 years ago
7 0
A "rational expression" is a fraction in which the numerator and the denominator are both polynomials. The sum of two such expressions will always produce another such expression, viz., 
<span>p(x)/q(x) + r(x)/s(x) = [p(x)s(x) + q(x)r(x)] / [q(x)*s(x)]. </span>
<span>The numerator and denominator of the sum will both be polynomials when fully expanded</span>
You might be interested in
What transformations were applied to ABCD to obtain A'B'C'D?
gtnhenbr [62]

Answer:

3,5. Hope it helps and likes it

7 0
3 years ago
Tourists from a tour bus were asked about places they visited during their stay in a city. The results are shown in the table.
Eddi Din [679]
The answer is probaly 60 % i think
3 0
3 years ago
The volume of a cube, in cubic centimeters, is given by the function V(x) = x3, where x is the side length of the cube in centim
Sav [38]

I think we can all agree that 1 centimeter=10millimeters.

And if x is the side in centimeters then 10x will be the side in millimeters.

We just need to rewrite x^3 into (10x)^3.

Because you need to do the exponent to all part of the ( )...

(10x)^3=1000x^3

V(x)=1000x^3 cubic millimeters is the answer

5 0
3 years ago
(7 - 3t) + 3(-2t + 5)
katrin2010 [14]

Answer:

22-9t

Step-by-step explanation:

(7 - 3t) + 3(-2t + 5)

=

7+−3t+(3)(−2t)+(3)(5)=

7+−3t+−6t+15

=

Now you need to combine like terms.

7+−3t+−6t+15

=

(−3t+−6t)+(7+15)=

-9t+22=

22-9t

There you go.

6 0
3 years ago
Read 2 more answers
Which two integers does the value of √88 lie?
Marizza181 [45]
88=4*22=> sqrt88=2sqrt22
sqrt22 is approximately sqrt25=5
so 4 < sqrt22 < 5
8 < 2sqrt22 < 10
8 < sqrt88 < 10
6 0
3 years ago
Other questions:
  • a) expected value of a die b) suppose you play a game where you get a dollar amount equivalent to the number of dots that show u
    7·1 answer
  • PLEASE! 50 Points!!!!!!
    11·2 answers
  • WRITE 14 9/20 AS A DECIMAL
    10·2 answers
  • 11 pt equals how many fl oz
    8·2 answers
  • The data list shows the scores of ten students in Mr. Smith's math class. 61, 67, 81, 83, 87, 88, 89, 90, 98, 100 What is the st
    5·1 answer
  • A x + b y = c what are the variables?
    5·2 answers
  • a car rental company charges 10$ per day plus 1.00 per mile to rent a car. write an equation showing the total it would cost(y)
    14·1 answer
  • Write the equation of a line in slope-intercept form with a slope of 2 and
    7·1 answer
  • Find the 11th term of the geometric sequence 2, -6, 18, ...
    5·1 answer
  • I need help!
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!