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spayn [35]
3 years ago
12

I need help figuring out the reason for the answers

Mathematics
2 answers:
Eddi Din [679]3 years ago
4 0
1. the sum of rational and irrational is always irrational2. the sum of 2 rationals is always rational3. the product of a non zero rational and an irrational is always irrational4. the product of 2 rationals is always rational
irina1246 [14]3 years ago
3 0
Result is correct
reason
1. the sum of rational and irrational is always irrational
2. the sum of 2 rationals is always rational
3. the product of a non zero rational and an irrational is always irrational
4. the product of 2 rationals is always rational
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Answer:

75 dogs

Step-by-step explanation:

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3 years ago
True or false? The quadratic equation 10p2 - 5p = -8 has one solution.
pav-90 [236]

Answer: False

=============================================

Explanation:

I'll use x in place of p.

The original equation 10x^2-5x = -8 becomes 10x^2-5x+8 = 0 after moving everything to one side.

Compare this to ax^2+bx+c = 0

We have

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Plug those three values into the discriminant formula below

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The discriminant is negative, which means we have no real solutions. If your teacher has covered complex or imaginary numbers, then you would say that the quadratic has 2 complex roots. If your teacher hasn't covered this topic yet, then you'd simply say "no real solutions".

Either way, this quadratic doesn't have exactly one solution. That only occurs when d = 0. Therefore, the original statement is false.

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Vlad1618 [11]

Answer:

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Step-by-step explanation:

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