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love history [14]
2 years ago
5

Landon wrote that 3−2.6=4. Which statement about his answer is true?

Mathematics
1 answer:
monitta2 years ago
3 0
4 is wrong because a number gets smaller, not larger when you take 2.6 from it. 3-2.6 is 0.4
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Consider a nuclear power plant that produces 1200 MW of power and has a conversion efficiency of 34 percent (that is, for each u
Pachacha [2.7K]

Answer:

Fuel used = 111,303,473,760 MJ/year

Step-by-step explanation:

Power production = Fuel energy * Efficiency

1200 MW = Fuel energy * 0.34

Fuel energy = 1200 MW / 0.34 =3529.41 MW

This means it consumes 3529.41 MJ/s.

Per year, it operates 365 days, 24 hours a day, 3600 seconds an hour.

To calculate the fuel used annualy we have to multiplicate by all these factors

Fuel used = 3529.41 MJ/s * 3600 s/hour * 24 hours/day * 365 days/year

Fuel used = 111,303,473,760 MJ/year

4 0
3 years ago
Which statistic is a measure of how data are dispersed in a population and can be used to give context to larger data sets
OLEGan [10]

Answer:

standard deviation

Step-by-step explanation:

The standard deviation is defined as the measure of how spread out the numbers are in a given population. In other words, statistics refers to the amount of the dispersion or variation of a set of given values.

It is denoted by the Greek letter sigma, σ.

Thus the standard deviation is the measure of how dispersed the data are in the population which can be used to provide context to a larger data sets.

7 0
3 years ago
Help plz test !! Four more than the product of a number and 10 is at most the opposite of 12.
professor190 [17]

Answer:

-1.6

Step-by-step explanation:

4 + 10x = -12

10x = -12 -4

x= -1.6

5 0
2 years ago
For a large data set of a average student grades, the third quartile Q3 is found 78.5 . What does the mean when we say that 78.5
xz_007 [3.2K]

Step-by-step explanation:              

We are told that for a large data set of a average student grades, the third quartile Q3 is found 78.5.

Since we know that third quartile represents the number such that 75% of the data is less than this number. Third quartile is the middle value between median and the highest value of a data set. Third quartile is also known as upper quartile. Third quartile splits lower 75% data from highest 25% of data.

Therefore, third quartile represents that 75% of student grades are less than 78.5 and 25% of students grades are greater than 78.5.


3 0
3 years ago
Please answer all of above worth 32 points !!
schepotkina [342]

Answer: A. 35+1

B. 20+ 5z

C. 4 + 12

Step-by-step explanation:

This is just using the distributive property which is like foiling

7 0
3 years ago
Read 2 more answers
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