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3 years ago

Whats the property in this equation 6 + 3= 3 +6

Mathematics

2 answers:

rosijanka [135]3 years ago

6 0

<span>6 + 3= 3 + 6

commutative property of addition

hope it helps</span>

matrenka [14]3 years ago

6 0

It is communititve property of addition which means they just switch the number but the addition sign stays the same

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3 years ago

What are the coordinates of the point 1/4 of the way from A to B?

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Step-by-step explanation:

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3 years ago

Suppose f(x)=x^2 what is the graph of g(x)= f(5x)

Novosadov [1.4K]

Answer:

Step-by-step explanation:

That '5' in f(5x) will compress the graph of x^2 horizontally.

If you were to graph f(x) = x^2, you'd get a parabolic graph; the parabola will open UP.

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3 years ago

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sleet_krkn [62]

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Step-by-step explanation:

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3 years ago

Solve x2 = 12x – 15 by completing the square. Which is the solution set of the equation? Solve x2 = 12x – 15 by completing the s

Svetlanka [38]

Answer: $6+\sqrt{21}\ \text{and}\ 6-\sqrt{21}$

Step-by-step explanation:

Given

Quadratic equation is

$x^2-12x+15=0$

Solving by completing the square method

$\Rightarrow x^2-2\cdot 6\cdot x+15=0\\\text{add and subtract 36}\\\Rightarrow x^2-2\cdot 6\cdot x+15+36-36=0\\\Rightarrow x^2-2\cdot 6\cdot x+36+(-36+15)=0\\\text{using}\ (a-b)^2=a^2+b^2-2ab\\\Rightarrow (x-6)^2-21=0\\\Rightarrow (x-6)^2=21\\\Rightarrow x-6=\pm \sqrt{21}\\\Rightarrow x=6\pm \sqrt{21}$

The solution set of the equation is $6+\sqrt{21}\ \text{and}\ 6-\sqrt{21}$

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3 years ago

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