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
Fudgin [204]
3 years ago
10

Which property would be useful in proving that the product of two rational numbers is ALWAYS rational? A) a b + c d = ad + bc bd

B) a + b cd = a cd + b cd C) a b · c d = ac bd D) a b ÷ c d = a b · d c
Mathematics
2 answers:
Mademuasel [1]3 years ago
3 0

Answer:

C

Step-by-step explanation:

So we need to understand what is rational numbers?

Rational number which can be written under this form: \frac{x}{y} when x any are both integers and y\neq 0

The question here is : Which property would be useful in proving that the product of two rational numbers. In math, when we talk about the product of at least two number, it implies to the multiplication in the operation.

Here, only answer C: \frac{a}{b} *\frac{c}{d} = \frac{ac}{bd} with the condition b\neq 0 and    d \neq 0 and a, b, c and d are integers. Product of two integers is always an integer..

serious [3.7K]3 years ago
3 0

Answer:

Which property would be useful in proving that the product of two rational numbers is ALWAYS rational?

A)  ab+ cd= ad + bcbd

B)  a + bcd= acd+ bcd

<u><em>C)  ab· cd= acbd</em></u>

D)    ab÷ cd= ab· dc

Step-by-step explanation:

You might be interested in
I need help with this..... please help thank you
Papessa [141]

Answer:

option C is the correct answer because the continents used to be part of a larger supercontinent called Pangea and when the continents split the fossils went with it

4 0
3 years ago
Read 2 more answers
Its a number answer...plz help me!​
gregori [183]

Answer:

tge answer is 36 mintutes. can i be brainelest?

Step-by-step explanation:

3 0
3 years ago
Select the correct answer <br><br> what is the solution for x in the equation <br><br> 5/3x+4=2/3x
max2010maxim [7]

Answer:

x = -4

Step-by-step explanation:

4 = 2/3x - 5/3x

4 = -3/3x

4 = -x

-4 = x

4 0
2 years ago
Answer to this question ?
cricket20 [7]
The answer is maybe a or b
8 0
3 years ago
Use the correct order of operations to solve the problem below.
barxatty [35]

Answer:

The answer is D. 29.64

Step-by-Step Explanation:

Parenthesis first...

39.64-5*(2)

Then multiplication...

39.64-10

Then subtraction...

29.64

5 0
3 years ago
Read 2 more answers
Other questions:
  • What are the solutions of the quadratic equation? 4x^2+9x-9=0
    6·2 answers
  • Type of Desserts Number of Students
    15·1 answer
  • Which rays form the sides of IHG
    7·1 answer
  • Jenny has three times as much money as Peter. Together they have $44. How much do they each have
    12·2 answers
  • The length of a rectangle is three times longer than its width. The perimeter of the rectangle is 16 feet. If x represents the w
    6·1 answer
  • Pls. Help me to solve this math problem.
    9·1 answer
  • A car rental company charges $19.99 per day and $0.17 per mile. Write an expression that gives the total cost in dollars to rent
    12·1 answer
  • A judiciary committee of 5 is to be selected from a group of 5 democrats and 6 republicans, in such a way that there are at leas
    9·1 answer
  • Find the measures of each angle in the inscribed quadrilateral.
    13·1 answer
  • Geometry need answer to this due soon ​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!