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3 years ago

How are all circles similar?

2 answers:

5 0

Hello there, and thank you for posting your question here on brainly.

All circles are similar in a lot of ways.

All circles have a diameter, radius, and no sides or corners.

Hope this helped! ☺♥

disa [49]3 years ago

4 0

They are all round. No matter how much bigger one is from another you will notice that they will be the same shape.

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<img src="https://tex.z-dn.net/?f=%5Csqrt%7B200%5C%5C" id="TexFormula1" title="\sqrt{200\\" alt="\sqrt{200\\" align="absmiddle"

Yuri [45]

Do sqrt(100) * sqrt(2)
Which will be 10 * sqrt(2)

4 0

2 years ago

Read 2 more answers

The polynomial x^2+3x-1 is a factor of x^4+3x^3-2x^2-3x+1 true or false?

pashok25 [27]

Answer:

Yes, it is true that $x^2+3x-1$ is a factor of $x^4+3x^3-2x^2-3x+1$ .

Step-by-step explanation:

Let us try to factorize $x^4+3x^3-2x^2-3x+1$

$x^4+3x^3-2x^2-3x+1\\\Rightarrow x^4-2x^2+1-3x+3x^3$

Let us try to make a whole square of the given terms:

$\Rightarrow (x^2)^2-2\times x^2 \times 1+1^2+3x^3-3x\\\Rightarrow (x^2-1)^2+3x^3-3x\\$

--------------

Formula used above:

$a^{2} -2 \times a \times b +b^{2} = (a-b)^2$

In the above equation, we had $a = x, b = 1$ .

--------------

Further solving the above equation, taking $3x$ common out of $3x^3-3x$

$\Rightarrow (x^2-1)^2+3x(x^2-1)\\$

Taking $(x^{2} -1)$ common out of the above term:

$\Rightarrow (x^2-1)((x^2-1)+3x)\\\Rightarrow (x^2-1)(x^2+3x-1)$

So, the two factors are $(x^2-1)\ and\ (x^2+3x-1)$ .

$\therefore$ The statement that $x^2+3x-1$ is a factor of $x^4+3x^3-2x^2-3x+1$ is <em>True.</em>

7 0

2 years ago

Question 5 of 14

kupik [55]

The volume of the refrigerator would be 30

7 0

2 years ago

Read 2 more answers

The table to the right displays the weight progress of a

Vikki [24]

Answer:

The answer is 6 pounds.

Step-by-step explanation:

I figured it out by getting it wrong

7 0

3 years ago

Read 2 more answers

Reduce in standard form -3/-15. on rational no grade 8 with step by step solution

sashaice [31]

Answer:

i'm not too good in this, but i believe the answer is -3

Step-by-step explanation:

the hcf, highest common factor, of both -3 and -15 is -3, hence making the answer -3? if this is incorrect, i apologize.

3 0

1 year ago