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ra1l [238]
3 years ago
12

Ac is tangent to circle at point c what is the measure of oac?

Mathematics
1 answer:
Norma-Jean [14]3 years ago
3 0

Answer: 27 degrees

Step-by-step explanation: 180-90 because its perpendicular -63=27

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Step-by-step explanation:

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What method would you choose to solve the equation 2x2 – 7 = 9? Explain why you chose this method.
Kisachek [45]
<span>This is a quadratic equation . We order to equate to zero

</span>2x²<span> – 7 = 9  
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2x² - 7-9 = 0
2x² - 16 = 0

This equation is a binomial
2* (x² - 8) = 0
<span>We choose the simplest method . The equation with practice it can be calculated in the memory
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The product is equal to 0 if one of the factors is zero
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2≠0  ∨     x² - 8 = 0
               x² = √8
               x = √8     ∨  x= - √8

Answer : x = √8 ∨ x = -√8
5 0
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uysha [10]

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5 0
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Which of the following is always true about a parallelogram?
dusya [7]

The answer is A. all sides are congruent hope this helps! :)

<h2>-CloutAnswers</h2>
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