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Wittaler [7]
3 years ago
9

Is 9/31 an irrational number

Mathematics
2 answers:
elena55 [62]3 years ago
5 0

Answer:No


Step-by-step explanation:

tatyana61 [14]3 years ago
5 0

Answer:

No, 9/31 is not an irrational number.

Step-by-step explanation:

A real number is called rational number when it can be expressed in the form of  \frac{p}{q},

Where, both p and q are integers and q ≠ 0,

Otherwise, it is called irrational number.

Here, the given number is,

\frac{9}{31}

Since,both 9 and 31 are integers,

Also, 31 ≠ 0,

⇒ 9/31 is a rational number,

Hence, It is not an irrational number.

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If f(x) = g(x+1) and g(x) = x^2, find the value of f(3).
Elena-2011 [213]

\bf \begin{cases} f(x)=&g(x+1)\\ f(3)=&g(3+1)\\ &g(4)\\[-0.5em] \hrulefill& \hrulefill\\ g(x)=&x^2\\ g(4)=&4^2\\ &16 \end{cases}\qquad \qquad f(3)\implies g(4)\implies 16

8 0
3 years ago
used books cost $2.27 each. which represents the total number of books that can be purchased for $10?
siniylev [52]

Answer:

4 books

Step-by-step explanation:

The cost for one used = $2.27

The question requires you to find the number of books that could be purchased with $10

Let assume the cost for a single used book to be $ t

If you have $ x in your pocket then the number of books you can purchase with $ x will be;

number of books= $ x/ $t.............................(a)

Applying this expression to the question;

$t= $2.27

$ x= $10

number of books = $10/$2.27 = 4.405 = 4 books

4 0
3 years ago
Read 2 more answers
Pls help me guys!<br> And Pls explains how you got the answer!<br> Thanks :D
ollegr [7]

Answer:

Its 8

Step-by-step explanation:

I know this because 8 is the only number they give you the other numbers they dont suply. Ps dont use my spelling and you might want to come up with a better answer. good luck

6 0
3 years ago
Which ratio cannot form a proportion with 3/4?<br><br>A.)30/40<br>B.)12/20<br>C.)12/16<br>D.)9/12
Vesna [10]
The answer would be B)
4 0
3 years ago
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X^2 times x^2 times 5
miss Akunina [59]

Answer:

5x^4

Step-by-step explanation:

<u><em>Re-order terms so constants are on the left</em></u>

x^2*x^2*5

5x^2*x^2

<em><u>Combine exponents</u></em>

5x^2*x^2

5x^4

<h2>(PLS GIVE <u><em>brainliest</em></u>)</h2>

4 0
3 years ago
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