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Leya [2.2K]
2 years ago
13

What is the coefficient of x in expansion of (2x-4)^2 ?

Mathematics
1 answer:
Sunny_sXe [5.5K]2 years ago
8 0

Answer:

2

Step-by-step explanation:

the one which is near to x

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For the right triangle shown, the lengths of two sides are given. Find the third side. Leave your answer in simplified, radical
sleet_krkn [62]

Answer: c=4\sqrt{2}

Step-by-step explanation:

For this exercise you need to apply the Pythagorean Theorem. This is:

h^2=l^2+m^2

Where "h" is the hypotenuse of the Right triangle and "l" and "m" are the legs.

In this case, you can identify that:

h=c\\\\l=a=4\\\\m=b=4

Knowing these values, you can substitute them into  h^2=l^2+m^2:

c^2=4^2+4^2

Now you must solve for "c":

c=\sqrt{4^2+4^2}

Evaluating, you get:

c=\sqrt{16+16}\\\\c=\sqrt{32}

To simplify the result:

- Descompose 32 into its prime factors:

32=2*2*2*2*2=2^5

- By the Product of powers property, you know that:

2^5=2^4*2

- Make the substitution:

c=\sqrt{2^4*2}

- Finally, knowing that \sqrt[n]{a^n}=a, you get:

c=2^2\sqrt{2}\\\\c=4\sqrt{2}

6 0
3 years ago
calculate the area of cut and fill for the following road way section in sq ft and then convert to sq yd
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Help me this is due tommorow
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Step-by-step explanation:

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5 0
3 years ago
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PLEEEAAAASSSEE HEEEELLLLPP ME BRAINLIEST ANSWER PLUS 10 PTS!!!!!!!!
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It would be A

If you rearrange A, you get: 35x > 3250 - 1500
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7 0
3 years ago
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How to factorise x2+x+1 ​
Arisa [49]

Answer:

x2- 2x+1 =x2-x-x+1

=x(x-1) -1(x-1)

=(x-1)(x-1)

We need to keep it this way as this is the simplest way of expressing its factors.

-1

7 0
2 years ago
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