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prohojiy [21]
3 years ago
15

I need help with this problem

Mathematics
1 answer:
marishachu [46]3 years ago
7 0

True

∠2 and ∠5 are both vertical at the vertex of the 2 straight lines



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In the refrigerator, Larry found 75% of a pizza. He ate 25% of what was left. HOw much pizza did he eat?
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Answer: 25%

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Combine and simplify the following radical expression.
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Factor completely 81x2 − 100. (1 point) (10x − 9)(10x − 9) (10x − 9)(10x + 9) (9x − 10)(9x + 10) (9x − 10)(9x − 10)
MArishka [77]

The complete factorization of the equation 81x² - 100 is; (9x - 10)(9x + 10)

<h3>How to factorize quadratic equations?</h3>

We are given the quadratic equation;

81x² - 100

Now, according to quadratic identities, we know that;

(a + b) * (a - b) = a² - b²

Now, our equation can also be expressed as;

81x² - 100 = 9²x² - 10²

Thus, applying the quadratic identity gives us;

(9x + 10)(9x - 10)

Read more about factorization of quadratic equations at; brainly.com/question/1214333

#SPJ1

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2 years ago
LAST QUESTION OF BRAINLY POINT CHALLENGE:
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cause i said so
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3 years ago
<img src="https://tex.z-dn.net/?f=-%5Cfrac%7B1%7D%7B2%7Dx%20-%203%20%3D%20-9" id="TexFormula1" title="-\frac{1}{2}x - 3 = -9" al
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The answer is x=12.
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