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slava [35]
3 years ago
6

Does this model represent a compound? Explain your answer

Mathematics
2 answers:
Svetlanka [38]3 years ago
7 0

Answer:

The model does not represent a compound because it shows two atoms of the same element combined.

Compounds are made of two or more atoms of different elements.

In a ball-and-stick model of a compound, there should be balls of different colors

zvonat [6]3 years ago
3 0

Answer:

No

Step-by-step explanation:

The model shows two similar elements.

Although we do not know what the element is, we can conclude that the model is not a compound.

This is because the definition of  a compound is when two different elements join.

However, the model has two similar elements, which forms a molecule, not a compound.

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Name the property:
Neporo4naja [7]

Answer:

B. Commutative Property of Multiplication

Step-by-step explanation:

5 0
2 years ago
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On a normal distribution of iq test scores, the average score would be:
spayn [35]

The average IQ test score would be 100.

What is a normal distribution?

A probability distribution that is symmetric about the mean or average is the normal distribution, sometimes referred to as the Gaussian distribution. It demonstrates that data that are close to the average value occur more frequently than data that are far from the mean. The normal distribution appears as a "bell curve" on a graph.

Average IQ Score

A score of 100 is regarded as the average IQ on various tests. The majority of results (68%) are within one standard deviation of the mean (that is, between 85 and 115). This indicates that the average result is within plus or minus 15 points for almost 70% of test takers.

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4 0
2 years ago
In a statistics class, 10 scores were randomly selected with the following results: 74, 73, 77, 77, 71, 68, 65, 77, 67, 66.What
Lunna [17]

Answer:

We conclude that the lower limit of a box-and-whiskers display is 65.

We conclude that the upper limit of a box-and-whiskers display is 77.

Step-by-step explanation:

Definition: A box-and-whisker plot or boxplot is a diagram based on the five-number summarytext annotation indicator of a data set.

In a statistics class, 10 scores were randomly selected with the following results: 74, 73, 77, 77, 71, 68, 65, 77, 67, 66.

We conclude that the lower limit of a box-and-whiskers display is 65.

We conclude that the upper limit of a box-and-whiskers display is 77.

3 0
3 years ago
Qual a raiz da equação X²+5X-14=0 ?
ElenaW [278]

Answer:

e) Hence 2, -7 are roots of the equation X² + 5X - 14 = 0

Step-by-step explanation:

given equation : X² + 5X - 14 = 0

⇒ X² + 7X - 2X - 14 = 0

⇒ X·(X + 7) - 2·(X + 7) = 0

⇒ (X + 7)·(X - 2) = 0

⇒ X = -7, X = 2

<u>Hence 2, -7 are roots of the equation X² + 5X - 14 = 0</u>

8 0
3 years ago
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KIM [24]

Answer:

21 degrees is the answer

Step-by-step explanation:

7 0
3 years ago
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