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Nitella [24]
3 years ago
13

Which expressions are equivalent to x² +4?

Mathematics
1 answer:
n200080 [17]3 years ago
8 0

Answer:

4x2

Step-by-step explanation:

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The diameter of a circle is 18 centimeters. what is the radius? d=18 cm give the exact answer in simplest form.
goldenfox [79]
The diameter of the circle is 18 cm.

The radius is one half the diameter.
Therefore the radius is  18/2 = 9 cm

Answer: 9 cm
4 0
3 years ago
The table shows the relationship between r and s, where s is the independent variable.
Viktor [21]

Answer:

Step-by-step explanation:

R=S -5/6

3 0
2 years ago
Each inhabitant of a remote village always tells the truth or always lies. A villager willgive only a ""Yes"" or ""No"" response
pshichka [43]

Step-by-step explanation:

This is actually a very old riddle, but it is two guards and two doors life death .

So let's apply the same logic to this one.

You only meet one villager and you don't know if he is one of the ones who only tells the truth or always lies, to answer this riddle, the question is actually to an hypothetical third party, another villager, not present, this is a little convoluted so bear with me:

(Pointing to one of the roads): If I asked another villager if this road would lead me to the ruins, would he be correct?

If the villager is a truth one, the true-villager, would tell you that the liar-villager would say no (thus leading you to the jungle).

  • Let's analyze this one, so the villager always tells the truth, and you happen to be pointing to the right direction (ruins), he is answering, that if you would ask another villager whether that is the correct road, that villager would say yes, since you are pointing at the right direction, a liar would tell you no, because the liar would point you to the other road as the correct (jungle), so the true-villager will say no
  • If you happen to be pointing to the wrong direction (jungle), he is answering, that if you would ask another villager whether that is the correct road, that villager would say yes, since you are pointing at the wrong direction, the truth-villager would tell you no, because the liar would point you to the wrong road as the correct (jungle), so the villager will say no

Therefore, no matter what villager you run into, the question will always lead you to the jungle, and therefore you pick the other road.

4 0
3 years ago
The graph of a 10th-degree polynomial must cross the x-axis exactly once? True or False?
Ghella [55]
Hmm idk hard one jnmmdmkrkror
7 0
3 years ago
Please help me its important
Amiraneli [1.4K]

Answer:

1. 16

Step-by-step explanation:

first one i believe is 16 dont need points keep them

6 0
2 years ago
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