Someone pls help me with this

Mathematics

1 answer:

Burka [1]3 years ago

6 0

the picture is blurry

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The graph shows the solution to which system of equations?

Sedaia [141]

So let's start by guesstimating the slopes:
the green line has a slope close to -x, but more negative than that, possibly -2; the pink line has a slope close to +x, but higher towards +2.

Next let's look at the solution: the two lines intersect at the point (1, -1).
**you could just simple plug that x (1) into all the equations, but let's rule out answers anyway. ;)

A) is incorrect because the slopes of -1 and +1 are off from out predicted -2 and +2
B) is incorrect because of a similar reason, the slopes of +3 and +1 don't make any sense
C) Ooh, we do have a +2 and -2 for the slopes, and... violà! plug in 1 for the x's and we get -1 for the y in both equations
D) slopes are closer than in A and B, but plugging in 1 doesn't get us -1

So the correct answer is:
C) y = 2x - 3 and y = −2x + 1

6 0

3 years ago

FromTheMoon [43]

Answer:

$18=2^x$

Step-by-step explanation:

$log_2(18)=x\\\\2^{log_2(18)}=2^x\\\\18=2^x$

4 0

2 years ago

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Tell whether the angle on the circle is 1/4,1/2,3/4 or i full turn clockwise ir counterclockwise

Komok [63]

Their is no circle.........

6 0

3 years ago

Please help me will mark brainliest!!! Provide a hand drawn graph attachment pls

Travka [436]

The graph is shown below. I used GeoGebra to create the graph. The graph is restricted on the domain $0 \le x \le 2$ meaning that everything to the left of x = 0 is not drawn, and the same for everything to the right of x = 2.