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V125BC [204]
2 years ago
5

Have a question!!! Need help!!!!!! Are these correct???? Or Not????

Mathematics
1 answer:
earnstyle [38]2 years ago
3 0
Yes its correct because i have checked all of it

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Can someone find the sum?
viktelen [127]
X^2 + x + 1 + 3x^2 + 3x + 2. Just combine the like terms:

x^2 + 3x^2 + x + 3x + 1 + 2

4x^2 + 4x + 3. <--- the sum.
5 0
3 years ago
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Based on the information marked in the diagram, ABC and DEF must be congruent. A. True B. False
solniwko [45]

Answer:

where the diagram

Step-by-step explanation:

but i guess is true

6 0
2 years ago
Ellen is taking some friends on a picnic. They'll need to follow a path to get the picnic spot. A map of the path is based on a
Andreyy89
It would be 1.5 kilometers

6 0
3 years ago
Three friends all have ages that are consecutive integers. The sum of their ages is 48. what is the age of the eldest friend?
Schach [20]

Answer:

C.17 years old

Step-by-step explanation:

consecutive means that they come after each other

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2 years ago
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the bases of a frustum of a cone have radii 1 1/3 and 2. The height of the frustum is 2. What were the dimension of the original
Sedbober [7]

One of the major advantage of the two-condition experiment has to do with interpreting the results of the study. Correct scientific methodology does not often allow an investigator to use previously acquired population data when conducting an experiment. For example, in the illustrative problem involving early speaking in children, we used a population mean value of 13.0 months. How do we really know the mean is 13.0 months? Suppose the figures were collected 3 to 5 years before performing the experiment. How do we know that infants haven’t changed over those years? And what about the conditions under which the population data were collected? Were they the same as in the experiment? Isn’t it possible that the people collecting the population data were not as motivated as the experimenter and, hence, were not as careful in collecting the data? Just how were the data collected? By being on hand at the moment that the child spoke the first word? Quite unlikely. The data probably were collected by asking parents when their children first spoke. How accurate, then, is the population mean?

7 0
2 years ago
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