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Yuliya22 [10]
3 years ago
10

Is the fraction 315/8 irrational

Mathematics
2 answers:
alekssr [168]3 years ago
5 0

Answer:

no its a rational number

Step-by-step explanation:

Rational Numbers A rational number is a number that can be written as a ratio.  

That means it can be written as a fraction, in which both the numerator (the number on top) and the denominator (the number on the bottom) are whole numbers.

irrational not expressible as a ratio of two integers, and having an infinite and nonrecurring expansion when expressed as a decimal.

Examples of irrational numbers are the number π and the square root of 2.

Debora [2.8K]3 years ago
3 0

Answer:

315/8 GIVES 39.375.

But 35.375 Is actually a rational number,because it is terminating after 3 decimal places.

Hence its not a rational number

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[HELP ASAP 50 POINTS] 17, 18, 19, 20
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17) f(x) = 16/(13-x).

In order to find domain, we need to set denominator expression equal to 0 and solve for x.

And that would be excluded value of domain.

13-x =0

Adding x on both sides, we get

13-x +x = x.

13=x.

Therefore, domain is All real numbers except 13.



18).f(x) = (x-4)(x+9)/(x^2-1).

In order to find the vertical asymptote, set denominator equal to 0 and solve for x.

x^2 -1 = 0

x^2 -1^2 = 0.

Factoring out

(x-1)(x+1) =0.

x-1=0 and x+1 =0.

x=1 and x=-1.

Therefore, Vertical asymptote would be

x=1 and x=-1

19) f(x) = (7x^2-3x-9)/(2x^2-4x+5)

We have degrees of numberator and denominator are same.

Therefore, Horizontal asymptote is the fraction of leading coefficents.

That is 7/2.


20) f(x)=(x^2+3x-2)/(x-2).

The degree of numerator is 2 and degree of denominator is 1.

2>1.

Degree of numerator >  degree of denominator .

Therefore, there would no any Horizontal asymptote.

6 0
3 years ago
The expression 1/2 H B1 + B2 use the area of a trapezoid with B1 and B2 representing the two bases length of a trapezoid and h r
Oxana [17]

Answer:

40

Step-by-step explanation:

1/2* 8 (4 + 6)  equation

4 (10)  simplify

40


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3 years ago
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Angelina and Neil are going to the movies today each movies bought a medium popcorn and Neil. Org small soft drink Angela had a
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there are too many spelling incorrections for me to understand the question, sorry.

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I NEED THIS TO BE CORRECT, I WILL GIVE ANYTHING!!
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Answer:

a) 105 degrees

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c) 180-75 is 105 (also vertical angle rule)

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3 years ago
What is a quantity representing how many times the base is multiplied by itself
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Answer:

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8 0
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