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zmey [24]
2 years ago
14

Which algebraic expression is a polynomial?

Mathematics
1 answer:
Degger [83]2 years ago
8 0

Answer:

the last one is a polynomial

Step-by-step explanation:

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6. What are the extremes of the following proportion?<br> 3/5 = 12%
GuDViN [60]

3/5 = 12/100

3/5 = 3/25

5 = 25

solution false

6 0
3 years ago
To rationalize the denominator of 2/square 13+ squared 11 , you should multiply the expression by which fraction?
eimsori [14]

<u><em>Answer:</em></u>

You should multiply the expression by \frac{\sqrt{13}-\sqrt{11}}{\sqrt{13}-\sqrt{11}}

<u><em>Explanation:</em></u>

To rationalize any expression, you must multiply it by its conjugate. A conjugate is defined as a similar expression to the original one but with an opposite sign

<u>This means that:</u>

The conjugate of a + b would be a -  b

Now, the given expression is \frac{2}{\sqrt{13}+\sqrt{11}}

<u>Consider the denominator:</u>

From the above, we can conclude that the conjugate of \sqrt{13}+\sqrt{11} is \sqrt{13}-\sqrt{11}

<u>And, remember that</u> we need to keep the value of the expression unchanged. This means that we must multiply both the numerator and the denominator by the same value

<u>Therefore:</u>

You should multiply the expression by \frac{\sqrt{13}-\sqrt{11}}{\sqrt{13}-\sqrt{11}} in order to rationalize the denominator

Hope this helps :)

5 0
3 years ago
Read 2 more answers
What is −2/5 + 4/5
igor_vitrenko [27]

Answer:

5/2 or 0.4

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
A bookstore manager has 11 employees in his store. Inventory day is
Ipatiy [6.2K]
D 5544/ (11 - x)

hsvvshwhsvvw
7 0
3 years ago
Given DB BE<br><br> &lt; A &lt; C<br><br>Prove : ∆DBC ∆ AEB
cestrela7 [59]

Answer:

Step-by-step explanation:

<A = <C (given)

DB = EB (given)

<B = <B cuz its in both the triangles (forgot the sentence to prove it)

proved using AAS

hope this helped

8 0
2 years ago
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