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dmccray3357
29.10.2020 •
Mathematics
I don't understand how to do these at all.Ive tried for the last hour.
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Ответ:
Step-by-step explanation:
I'll help you out
For #4:
4 Parallel means that the lines have the same slope, but different intercept
I'm going to assume it's 2y - 5x = 10
the slope is 5/2
We're given that it goes through the point (-10, 9),
we can substitute with the y = mx + b equation
5 Perpendicular means that the slope of the line is the negative reciprocal of the other line
The first line is y = 5, if you look at this on a graph, it's a straight horizontal line. it's slope is 0.
1/0 is undefined, it'd be a straight line upwards, which can be represented by x = (something)
we're given that it goes through (-2, 9)
so the line is
6
again, parallel = same slope
7
The two points are (0, 4) and (1, 7)
8
the two points are (0, -3) and (3, -1)
9
This is a straight up line, like in problem 5
it is x = -5
the perpendicular line is a horizontal line y = (something)
since it goes through 3 at -3, it is
10
the line is y = 4
a parallel line to this is another horizontal line y = (something)
since it goes through 8, the line is
Ответ:
x = -6
Step-by-step explanation:
Since 2 angles have to equal 180, you add both of the angles you see and figure out what that answer is
101+91=192
192 - x - x
192 - 6 - 6 = 180