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marianabeel230
21.06.2019 •
Mathematics
Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}
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Ответ:
[(-15, 21), (-6, 12).(-1, 7)}
Step-by-step explanation:
we have
x+y=6
Find the values of y for XE (-15, -6, -1)
so
For x=-15
-15+y=6 --->y=21
therefore
a solution is the point (-15,21)
For x=-6
-6+y=6 --->y=12
therefore
a solution is the point (-6,12)
For x=-1
-1+y=6 --->y=7
therefore
a solution is the point (-1,7)
The set of ordered pairs that are solutions is
[(-15, 21), (-6, 12).(-1, 7)}
Ответ:
Animals break down food molecules to obtain energy.
The remains of producers are broken down by decomposers.
The remains of consumers are broken down by soil decomposers.
Explanation:
hope this helps