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kaheart [24]
2 years ago
14

Which expression is equivalent to 23+ (15+22) by the associative property of addition?

Mathematics
1 answer:
shepuryov [24]2 years ago
5 0

Answer:

i think the answer is C

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WILL GIVE BRAINLIEST!<br> Find x given y = 76° in the figure below.<br> x = <br> °
4vir4ik [10]

Answer:

104°

Step-by-step explanation:

The straight line for q forms an angle of 180°

Therefore,

x+y=180

x+76=180

x=180-76

x=104

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A triangle had two sides of length 10 and 10 what value could the length of the third side be check all that apply
vekshin1

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Step-by-step explanation:

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3 years ago
How do I factor x^4-5x^2+6?
Vilka [71]

Answer:

=(x^2-3)(x^2-2)

Step-by-step explanation:

So we have the expression:

x^4-5x^2+6

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=u^2-5u+6

This is a technique called quadratic u-substitution. Now, we can factor in this form.

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For the first two terms, factor out a u.

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Grouping:

=(u-3)(u-2)

Now, substitute back the x² for u:

=(x^2-3)(x^2-2)

And this is the simplest form.

And we're done!

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