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
Paul [167]
3 years ago
12

What is the sum of rational expressions

Mathematics
1 answer:
rjkz [21]3 years ago
6 0

Since you have a common denominator, just add the numerators and set the sum over the common denominator.

\dfrac{15}{7x} + \dfrac{12}{7x} = \dfrac{15 + 12}{7x} = \dfrac{27}{7x}

There is no common factor of 27 and 7x, so the fraction cannot be reduced.

Answer: C. \dfrac{27}{7x}

You might be interested in
What is the value of x and y? show all work
coldgirl [10]

I believe that x and y are == given that both sides are 24:24

so we know a triangle must add up to 180 degrees

just do 180-46 = 134

134/2=67

x=y=67

5 0
3 years ago
Read 2 more answers
What are two numbers that multiply to the value on top and add to the value on bottom
HACTEHA [7]

is this correct?

a * b = -70

a + b = -9......a = -9 - b

b(-9 - b) = -70

-b^2 - 9b + 70 = 0

(-b + 5)(b + 14) = 0

-b + 5 = 0

5 = b

b + 14 = 0

b = -14

ur numbers are -14 and 5

-14 * 5 = -70

-14 + 5 = -9

8 0
3 years ago
Find (g o f)(-1). *
klio [65]

Answer:

D  -9

Step-by-step explanation:

(g o f)(-1) = g(f(-1))

f(-1) = f(-1)  =  (-1)^{2}  +  2(-1) - 3\\=  1 - 2 - 3\\=  -4

g(-4) = -4 - 5 = -9

So, (g o f)(-1) = -9

6 0
3 years ago
What is the domain and range of the set of order pairs? (7,3),(-2,-2),(4,1),(-9,0),(0,7)
erastovalidia [21]

Answer:

Domain {7,-2,4,-9,0} Range {3,-2,1,0,7}

Step-by-step explanation:

Just remember that domain is the x values and the range is the y values.

5 0
4 years ago
Two number cubes are rolled. Each number cube has sides numbered 1 through 6.
olasank [31]
P(odd) or P(multiple of 5)
When we roll 2 number cubes

all possible outcomes of their sum are 2,3,4,5,6,7,8,9,10,11,12.(11 possible outcomes)

Out of those possible outcomes
3,5,7,9,11 are odd (5 outcomes) and ...

5 and 10 are multiples of 5 (2 outcomes)

Now, P(odd) or P(multiple of 5) really means P(odd) + P (multiple of 5) =
(If we had “and” instead of “or” we multiply)
= (5/11) +(2/11)
=7/11
7 0
4 years ago
Read 2 more answers
Other questions:
  • Please help me With ALL questions quick ASAP!!!!!!!!<br> Questions 1-5
    9·1 answer
  • The area of a rectangle is 52ft square, and the length of the rectangle is 5 ft less than twice the width. Find the dimensions o
    7·1 answer
  • Prove that a parallelogram is a square iff its diagonals are both congruent and perpendicular
    14·1 answer
  • What is 4.4 x 105 in standard notacion
    8·2 answers
  • HELPPPPPP ASAP
    6·2 answers
  • Freeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee pointssssssssssss
    14·2 answers
  • A game has a circular playing area in which you must hit a ball into a circular hole. The area of the playing area is 16π ft2. T
    6·2 answers
  • Lexie bought a new car for $32,000. It
    9·1 answer
  • Is this correct? (Image below). If not, what is the right answer?!?!
    12·2 answers
  • Task: You and your friend were taking turns rolling a die when you thought of a game: If a one is rolled by either player, you p
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!