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Anna35 [415]
4 years ago
5

Is the relationship shown by the data linear? x -9, -5, -1, 3 y -2,-7,-12, -17

Mathematics
1 answer:
Temka [501]4 years ago
5 0
                x               y
            ------           -----
              -9              -2
             -5               -7
             -1              -12
              3               -17

ur x's all have a difference of 4, and ur y's all have a difference of -5...so yes, this is linear with a slope of (-7+2) / (-5 + 9) = -5/4
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Still struggling with this.
Dominik [7]

Answer:

22

Step-by-step explanation:

You add up the value of each X and you get a final answer of 22. Have a great day!

6 0
3 years ago
Please help it due asap <br> Helppppppp
Leno4ka [110]

Answer:

x = 30°

2x = 60°

3x = 90°

Step-by-step explanation:

GBF = CBD (opposite angle)

; 2x+x+3x = 180° (Size of straight angle)

6x = 180

x = 180÷6

x = 30°

substitution x in 2x ; 2×30 = 60°

substitution x in 3x ; 3×30 = 90°

hope it helps ☺️

4 0
3 years ago
Write an equation of the parabola in vertex form.
GenaCL600 [577]
Vertex Form of Quadratic Equation - MathBitsNotebook(A1 - CCSS Math) f (x) = a(x - h)2 + k, where (h, k) is the vertex of the parabola. FYI: Different textbooks have different interpretations of the reference "standard form" of a quadratic function...:)
5 0
3 years ago
A b
kumpel [21]
The constant of proportionality is 4. Also, look at 36, and 9 because you could have just divided it it is not as complicated as you think.
5 0
2 years ago
Heather was asked to graph 3x - y = -4 by using slope and y-intercept. Her graph is shown.
irakobra [83]
Hello! The y-intercept is (0, 4), because the line crosses 0 in the x-axis at that point. We can cross out C and D, because those don't show that. The slope is rise/run. You would go up 3, and go to the right once. If you need to, solve for slope by doing y2 - y1/ x2 - x1. Let's use the point (0, 4) and (1, 7) as an example. We would set it up like this: 7 - 4 / 1 - 0. Solving that would give us 3/1 or just simply three. The slope is positive 3 and the y-intercept is (0, 4). The answer is A.
7 0
3 years ago
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