allieballey0727
02.12.2020 •
Mathematics
EMERGENCY
i+i+i+i=-8
i=
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Ответ:
First, combine like terms (i’s)
4i=-8
Divide both sides by 4 to isolate i
4i=-8
—- —-
4 4
i=-2
You can plug this back in to see if it works.
(-2) + (-2) + (-2) + (-2) = -8
-8=-8
Therefore, i= -2
Ответ:
Answer
i=2
Step-by-step explanation:
i+i+i+i=8
4i=8
i=8/4
i=2
Ответ:
Lets make an equation for the line first. The slope is 3 and the y intercept is -1, so we can make the equation y = 3x - 1. Then, to figure out what sign to use (<= or >= due to solid line in graph), we replace the = sign with one and see if a coordinate in the shaded area will furfill the inequality. If it doesn't, we know it needs the other inequality sign. If it does, we have found the correct inequality. So let's try y <= 3x - 1 with the coordinate (1,1). We try it, solve, and get 1 <= 2. So, the inequality for this graph is y <= 3x - 1.