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Dafna1 [17]
3 years ago
14

Which term describes a fraction that has a variable or variable expression in its numerator, its denominator, or both?. . A.Vari

able fraction. B.Rational expression. C.Rational fraction. D.Variable expression
Mathematics
2 answers:
yaroslaw [1]3 years ago
7 0
The correct answer is A. rational expression

Rational expression refers to a fraction in which the numerator and denominator are polynomials. Polynomials are variables. So therefore rational expression is the answer to the term that describes a fraction that has a variable or variables expression in its numerator and it denominator or both.   
liberstina [14]3 years ago
3 0

Answer: the term described a fraction that has a variable or variable expression in its numerator is called the rational number

Explanation:

Rational number is basically the quotient of two integers and the denominator is not zero (remember that you can never divide by zero; if you do the answer always will be infinity)  

For example:

1 divided by 3 = 1/3 is a rational number

-5 divided by 8 = -5/8 is also a rational number  

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Bobby wants to go on a school trip that will cost him $250. He comes up with an equation that represents how much he needs to sa
monitta
Yes, Bobby will have enough money if he saves for 9 weeks. You can find this through either substituting w for 9 in the equation, or solving the equation itself. 

Substituting:

25(9)+30
Substitute w for 9. 

225+30
Simplify. 

225+30=255
Solve. 

255 is greater than 250, so yes, he will have enough money saved. 


Solving the equation:

25w+30=250
Original Equation

25w=220
Subtract 30 from both sides. 

w=8.8
Divide both sides by 25. 

The number of weeks he needs is 8.8. When rounding it up, you get 9. 


4 0
3 years ago
My bro has homework and he needs help but I don't have the time to help him
pshichka [43]

Answer: 25

Step-by-step explanation:

Subtract 46.50 - 46.25 and you’ll get 25

8 0
2 years ago
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Elanso [62]

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5 0
3 years ago
Greg runs 3 miles in 28 minutes. At the same rate, how many miles would he run in 42 minutes?
Paladinen [302]

Answer:

4.5

 miles

Step-by-step explanation:

Well, he runs

3

miles in

28

minutes. Also, see that

42

=

28

⋅

1.5

.

So, his journey would just be running

1.5

times, with each time running

28

minutes.

So, he runs a total of

1.5

⋅

3

=

4.5

miles

7 0
3 years ago
Read 2 more answers
How many 2/3 cup servings are there in a container that holds 7 cups?
avanturin [10]

Answer:

10.5

Step-by-step explanation:

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