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tigry1 [53]
3 years ago
6

Factor Completely 2x^3 + x^2 - 18x - 9.

Mathematics
1 answer:
FrozenT [24]3 years ago
6 0

Answer:

The choice third

(x - 3)(x + 3)(2x + 1)

I hope I helped you^_^

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Pauline is building a fence around her vegetable garden, what length of fence will she need to build?
Nuetrik [128]
I FOUND YOUR COMPLETE QUESTION IN OTHER SOURCES.
 SEE ATTACHED IMAGE. 
 First we look for the hypotenuse of both triangles.
 Left triangle:
 Sine (68.1) = (1.75) / (h)
 h = (1.75) / Sine (68.1)
 h = 1.886108667
 h = 1.9m
 Right triangle:
 Sine (49.4) = (1.75) / (h)
 h = (1.75) / Sine (49.4)
 h = 2.304841475
 h = 2.3m
 Finally adding the perimeter:
 P = 5 + 1.9 + 2.75 + 2.3
 P = 11.95 m
 Answer: 
 she will need to build 11.95 m of fence

6 0
3 years ago
Evalute m-2n if m= -3 and n= -8
stich3 [128]
M = -3
n = 8
plug in your variables.
-3 - (2 x -8)
two negatives make a positive, so it would be positive 16
-3 + 16
= 13
8 0
3 years ago
Can an answer be incorrect even if it looks reasonable?
Anna [14]

Answer:

  • <em>Yes, an answer can be incorrect even it it looks reasonable.</em>

Explanation:

Yes, an answer can be incorrect even if it looks reasonable, for two main reasons:

  • The assumptions (premises or statements) on which the reasoning is based are wrong.
  • The reasoning sounds good but it is a fallacy.

To avoid the first condition you must be sure about the facts, which may be information from an experiment that you performed or from a source. In order for an answer be correct, make sure your premises are true.

Dealing with the second condition, a fallacy is an argument that seems strictly logical but is misleading: you must learn which reasonings are really valid; this is, that the conclusion unequivocally follows from the premises.

There are rules for the arguments to be valid, and that is the object of logic study.

Fallacies are sometimes used by those interested in supporting a point of view without having true reason on their side. You should have some knowledges about logic to avoid being victim of the fallacies, which can drive you to make wrong decisions.

3 0
3 years ago
help pls ill give extra points !:)
schepotkina [342]
The second choice :D
7 0
2 years ago
Read 2 more answers
Subtract: 8 3/8 - 3 1/4<br><br> Answers: <br> A: 5 1/8<br> B: 5 5/8<br> C: 5 1/4<br> D: 5 1/2
Flura [38]
I believe the answer is D
6 0
3 years ago
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