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UkoKoshka [18]
3 years ago
13

Name the four types of solution types used to classify quadratic equations particularly when the discriminant is used.

Mathematics
1 answer:
LenKa [72]3 years ago
7 0

real number solution, no real number solutions, repeated real number solutions, two real number solutions

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Evaluate. Write your answer in simplified, rationalized form. Do not round.
borishaifa [10]

Answer:

  cos(45°) = (√2)/2

Step-by-step explanation:

The cosine of 45° is the x-coordinate of the point on the unit circle where the line y=x intersects it. That is, it is the positive solution to the equation ...

  x^2 +x^2 = 1

  x^2 = 1/2 = 2/4 . . . . . collect terms, divide by 2, express the fraction with a square denominator

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The cosine of 45° is (√2)/2.

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2 years ago
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aleksandr82 [10.1K]

Answer:

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(-3,-1)

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Answer plz !! Whats the contrapositive ?
Andre45 [30]

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It should be the first answer.

Step-by-step explanation:

The first answer says "If Nemo is a fish, then he swims". That makes sense. Then the second one says "If Nemo does swim, then he is a fish". That would make sense, but if my name was Nemo, I can swim. That doesn't mean I'm a fish. The the third one says "If Nemo is not a fish, then he doesn't swim". That doesn't make sense. Say my name is Nemo. I'm not a fish. I can swim though!

8 0
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Read 2 more answers
Here you go thanks for your help
denis-greek [22]

Answer:

Step-by-step explanation:

I'm just going to reply for points lol-

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