The formula of the distance between 2 points states that the distance AB between points A(a, b) and B(c, d) is found as follows:
.
Let the points of the polygon be A<span>(-6,-1), B(-3,-4), C(6,5) and D(3,8). Then, the perimeter of the polygon ABCD is
AB+BC+CD+DA.
We can find each of </span>AB, BC, CD, DA by the Distance Formula as follows:
.
.
.
.
Thus, the perimeter of the polygon is
(units).
Answer:
units
Answer: it is the median
Step-by-step explanation:
Answer:
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Step-by-step explanation:
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Answer:
y = -4x - 7
Step-by-step explanation:
we use the slope intercept formula given by; y = mx + b
b = y intercept, which is when x = 0
m = slope
so they tell us the slope.. we just need to find b - the y intercept.
y = mx + b
plug in your coordinates (-2,1)
1 = -4(-2) + b
1 = 8 + b
1 - 8 = b
-7 = b
put it all together.
y = -4x - 7
-6x + 4 = -124
First bring 4 to the right side by subtracting 4 to both sides (what you do on one side you must do to the other). Since 4 is being added on the left side, subtraction (the opposite of addition) will cancel it out (make it zero) from the left side and bring it over to the right side.
-6x + 4 - 4 = -124 - 4
-6x + 0 = -128
-6x = -128
Now to completely isolate x you must divide -6 to both sides. Since -6 is being multiplied by x, division (the opposite of multiplication) will cancel -6 out (in this case it will make -6 one) from the left side and bring it over to the right side.
-6x/-6 = -128/-6
1x =
^^^The fraction can be simplified further
x =
x ≈ 21.33
Hope this helped!
~Just a girl in love with Shawn Mendes