Answer:
Step-by-step explanation:
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The triangle is Equilateral thus the sides are same and equal.
So ;
We just need to solve one the above equations and the value of x.
Then put in all three equations to find the sides .
Let's do it....
Subtract sides 3x
Simplification
Divide sides by 2
Simplification
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It's time to find the sides :
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Actually we knew that the sides of any Equilateral triangle are same.
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First find the equation of y.
Find the slope m.
.
Pick one point, I'll pick (-3, 9). Insert coordinates in equation then compute n.
.
The equation of a line y is:
.
The perpendicular line is same like the normal line except its slope m becomes:
.
The equation of a perpendicular bisector is thus:
.
Hope this helps.
Answer:
Step-by-step explanation:
Using the given points, first find the slope:
m = (₂ - y₁) / (x₂ - x₁)
= (5 - 9) / (-1 - (-3))
= -4 / 2
= -2
Find y-intercept by using anyone of the give points and slope from above:
y = mx + b
5 = -2(-1) + b
5 = 2 + b
b = 3
With the m and b, you can make equation of line:
y = mx + b
y = -2x + 3
To find the perpendicular slope, make it opposite and inverse it.
m = -2 becomes 1/2
Regular equation of line:
y = -2x + 3
Perpendicular equation of line:
Answer:
17.1%
Step-by-step explanation:
17.1%
Answer:
b. months he runs :)
5/6,5/9,10/27,20/81