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kari74 [83]
3 years ago
10

Thesquare(5x² + 6xy)²is​

Mathematics
2 answers:
kari74 [83]3 years ago
8 0

Answer:

{25x}^{4}  + 60 {x}^{3} y + 36 {x}^{2}  {y}^{2}

Step-by-step explanation:

(5 {x}^{2} )^{2}  + 2 \times 5 {x}^{2}  \times 6xy + (6xy)^{2}

Gives the above answer

dybincka [34]3 years ago
4 0

Answer:

in the picture

Step-by-step explanation:

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Can somebody explain step by step ?
lukranit [14]

Answer:

3m\sqrt[5]{2m^4p^4}

Step-by-step explanation:

We want to find the fifth root of 486m^9p^4. In order to do so, we need to factorise

Let's factorise 486 first:

486 = 2 * 243 = 2 * 3^5

Ah, we see that 3^5 can be taken out and becomes 3 outside of the 5th root since the 5th root of

Now look at the variables. We see that since we have p^"4", whose exponent is less than 5, it's impossible for us to write it as a power of 5, so we leave this in the root.

We also have m^"9", which can be written as m^"5" * m^"4". Again, we see that the m^"4" term will have to remain inside the root, but we can take out the m^"5", which becomes m.

Our final answer is thus: 3m\sqrt[5]{2m^4p^4}.

<em>~ an aesthetics lover</em>

5 0
3 years ago
PLEASE I AM BEGGING YOU WHO IS WILLING TO HELP ME I WILL GIVE BRAINLIEST IF YOU ARE WILLING TO HELP ME COMMENT DOWN BELOW
Amiraneli [1.4K]

Answer:

I need context

Step-by-step explanation:

3 0
1 year ago
The average of 7 numbers is 60. The average of the first three numbers is 50, while the average of the last three is 70. What mu
Svetradugi [14.3K]

From the last two facts, we get

\dfrac{x_1+x_2+x_3}3=50\implies\dfrac{x_1+x_2+x_3}7=\dfrac{150}7

\dfrac{x_5+x_6+x_7}3=70\implies\dfrac{x_5+x_6+x_7}7=30

Then

\dfrac{x_1+x_2+\cdots+x_6+x_7}7=60\implies\dfrac{x_4}7=60-\dfrac{150}7-30\implies\boxed{x_4=60}

4 0
3 years ago
Which equation can be used to find how much of a 50 g sample of nitrogen-16 is left after 7 minutes?
miv72 [106K]

Answer:

Step-by-step explanation:

50(0.5) square 50

8 0
3 years ago
the Kimball family. is going on a biking trip next they went to bike to Baltimore 27 1/2 mile away from their home they only wan
Juli2301 [7.4K]

Answer:

It takes 1.5 days  for the Kimball family to get to Baltimore

Step-by-step explanation:

Given:

Total distance from the home to Baltimore = 27 \frac{1}{2}

Distance they would travel on each day =  18 \frac{1}{8}

To Find:

How many days it will take the Kimball family to reach Baltimore = ?

Solution:

Lets first convert mixed fraction into fraction

27 \frac{1}{2} = \frac{2 \times 27 + 1}{ 2} = \frac{54+1}{2} = \frac{55}{2}

18\frac{1}{8} =\frac{18 \times 8 +1 }{8} =\frac{144+1}{8}= \frac{145}{8}

Now,

In one day = \frac{145}{8}

In x day = \frac{55}{2}

By Cross multiplication

\frac{55}{2} =  x \times \frac{145}{8}

x = \frac{55}{2} \times \frac{8}{145}

x = \frac{220}{145}

x = \frac{44}{29}

x = 1.517

x =  1. 5 days

8 0
3 years ago
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