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RSB [31]
3 years ago
12

When must a system of linear equations be solved algebraically, not graphically?

Mathematics
1 answer:
siniylev [52]3 years ago
4 0
<span>The correct answer is the Option "A": Integer. Then, the text is: "Whenever the solution to a system does not have integer coordinates, it can be difficult or impossible to find the precise answer through graphing."
 
 By definition, the numbers called "Integers" are all the positive numbers (which are known as</span> <span>"Natural numbers"), all the negative numbers and the zero (0) and they are identified with the letter "Z": 
 
 Z= </span>{-∞...-3,-2,-1,0,1,2,3...+∞}<span>

</span>
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Answer:

Step-by-step explanation:

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3 years ago
Select the correct inequality for the graph given
Kaylis [27]

Answer:

y<= 3x-1

Step-by-step explanation:

When it comes about inequalities, keep in mind the following

the < sign means that the regions is under whatever is to other side, and the > means that the region is above whatever is on the other side of the sign

So, we see for the graphic that there is a region below a line, this suggests us that there is a < sign implied

The other thing is that there is a convention in math, is the line is graphed using a dashed line, it meas that it is not part of the region, if the line is graphed using a solid line (a continued line) then the line is inside the region, hence there is a = sign implied.

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4 0
3 years ago
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grigory [225]

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2+x

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Read 2 more answers
At school 161 students play at least one sport.This is 70% of the number of the student at the school. How many suenos are at th
kondor19780726 [428]
X=number total of student at the school.
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can suggest this equation:
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