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yaroslaw [1]
3 years ago
6

The graph shows the solution to which system of equations?

Mathematics
1 answer:
borishaifa [10]3 years ago
5 0
Ur solution is gonna be the point where ur lines intersect....and that is (1,-1)

so its just a matter of subbing that into ur answer choices to see which one is true.

so ur answer is : y = 2x - 3 and y = -2x + 1
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5tanx-2cotx+1=0...... .
Verdich [7]

Step-by-step explanation:

5(tanx)^2 -2 +tanx=0

let tanx=y

5y^2 + y-2=0

y=0.5403 or y= -0.7403

tanx=0.5403

x=arctan(0.5403)

x=28.38°

or

tanx=-0.7403

x=arctan(-0.7403)

x=143.49°

7 0
3 years ago
Is the line through points p(-7,8) and q(-5,-6) parallel to the line throuh points R(3,-5) and S(-2,0)? explain.
BARSIC [14]
I'm going to use the slope formula which is
m = (y2 - y1)/(x2 - x1)
where (x1,y1) and (x2,y2) are the two points the line goes through

Slope of line PQ
m = (y2 - y1)/(x2 - x1)
m = (-6 - 8)/(-5 - (-7))
m = (-6 - 8)/(-5 + 7)
m = (-14)/(2)
m = -7
The slope of line PQ is -7

Slope of RS
m = (y2 - y1)/(x2 - x1)
m = (0 - (-5))/(-2 - 3)
m = (0 + 5)/(-2 - 3)
m = (5)/(-5)
m = -1
The slope of line RS is -1

Because the slopes are NOT equal (one is -7 and the other is -1), this means the lines are NOT parallel.

-----------------------------------------------------------------------------------------------------

Answer: Choice B) No, the lines have unequal slopes

5 0
3 years ago
Read 2 more answers
-5 can be thought of as "the opposite of 5". TRUE or FALSE
kap26 [50]

Answer:

True

Step-by-step explanation:

8 0
2 years ago
Work on Screenshot i got this one wrong when i first tried it
adell [148]
The answer to your question is 30
3 0
3 years ago
I need help my teacher went over it but I don't get it
Dahasolnce [82]
Send it to me and I'd be happy to help! :)
3 0
3 years ago
Read 2 more answers
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