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Tasya [4]
3 years ago
9

Divide f(x) by d(x), and write a summary statement in the form indicated.

Mathematics
1 answer:
Alina [70]3 years ago
5 0
Hello,
Answer B.

x²+1=(x-i)(x+i)

x^4+4x^3+x^2+4x+5=(x-i)(x^3+(4+i)x^2+(5+4i)x+5i)\\
=(x-i)(x+i)(x^2+4x+5)=(x^2+1)(x^2+4x+5) \\
by\ synthetic\ division.
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7 days

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Consider U = {x|x is a real number}. A = {x|x ∈ U and x + 2 > 10} B = {x|x ∈ U and 2x > 10} Which statements are true? 5 ∉
-Dominant- [34]

x+2 > 10 solves to x > 8 after we subtract 2 from both sides

So set A is the set of real numbers that are larger than 8. The value 8 itself is not in set A. The same can be said about 5 as well.


Set B is the set of values that are larger than 5 since 2x > 10 turns into x > 5 after dividing both sides by 2. The value x = 5 is not in set B since x > 5 would turn into 5 > 5 which is false. The values x = 6, x = 8, and x = 9 are in set B.


----------------


Summarizing everything, we can say...

5 is not in set A. True

5 is in set B. False

6 is in set A. False

6 is not in set B. False

8 is not in set A. True

8 is in set B. True

9 is in set A. True

9 is not in set B. False


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2 years ago
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3 years ago
An altitude is drawn from the vertex of an isosceles triangle, forming a right angle
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Step-by-step explanation:

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solve through pythagoren theorum

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18^2 + (8.5)^2 = (diagonal length)^2

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diagonal length = 19.9

diagonal length + diagonal length + base = perimeter

19.9 + 19.9 + 17 = perimeter

56.8 inches = perimeter

6 0
2 years ago
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