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jonny [76]
3 years ago
13

Pls help (mathematics)

Mathematics
1 answer:
olga2289 [7]3 years ago
7 0

Answer:

I agree with all of them

Step-by-step explanation:

they are all connected mathematically (I used 3.14 I hope that the right idea)

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I have the question in a screengrab. Thank you, whoever helps me.
nata0808 [166]

To simplify

\sqrt[4]{\dfrac{24x^6y}{128x^4y^5}}

we need to use the fact that

\sqrt[4]{x^4}=|x|

Why the absolute value? It's because (-x)^4=(-1)^4x^4=x^4.

We start by rewriting as

\sqrt[4]{\dfrac{2^23x^6y}{2^6x^4y^5}}

\sqrt[4]{\dfrac{2^23x^4x^2y}{2^42^2x^4y^4y}}

Since x\neq0, we have \dfrac xx=1, and the above reduces to

\sqrt[4]{\dfrac{3x^2y}{2^4y^4y}}

Then we pull out any 4th powers under the radical, and simplify everything we can:

\dfrac1{\sqrt[4]{2^4y^4}}\sqrt[4]{\dfrac{3x^2y}{y}}

\dfrac1{|2y|}\sqrt[4]{3x^2}

where y>0 allows us to write \dfrac yy=1, and this also means that |y|=y. So we end up with

\dfrac{\sqrt[4]{3x^2}}{2y}

making the last option the correct answer.

7 0
3 years ago
I need you to explain your answer, please.
Alex787 [66]

Answer:

7√6 - 5√7  

Step-by-step explanation:

5√7 + 12√6 - 10√7 - 5√6    (rearranging)

= (5√7 - 10√7) + (12√6  - 5√6)   (factor out √6 and √7 respectively)

= (5 - 10) √7  + (12  - 5)√6

=  -5√7  + 7√6  (rearrange)

=  7√6 - 5√7  

4 0
3 years ago
Can someone please help me understand
Mnenie [13.5K]
Stop being like that I helped u
7 0
2 years ago
Solve, then type your answer into the box. Use the sketch pad(s) to show your work, or the graph on the next page to upload an i
Andrei [34K]

Answer:a

Step-by-step explanation:

a

8 0
2 years ago
Read 2 more answers
??????????????????????????????????????????????????
AnnyKZ [126]

Answer:

what's the question ndndn

6 0
3 years ago
Read 2 more answers
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