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Citrus2011 [14]
2 years ago
10

If 4x + 8x + 12x + 16x is equal to 5 + 10 + 30 + 40 then what is the value of x​

Mathematics
1 answer:
zloy xaker [14]2 years ago
7 0

4x+8x+12x+16x=5+10+30+40

4x+8x+12x+16x= 85

40x=85

x= 85/40

x=2.125

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Answer:

The coordinates of the circumcenter of this triangle are (3,2)

Step-by-step explanation:

we know that

The circumcenter is the point where the perpendicular bisectors of a triangle intersect

we have the coordinates

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step 1

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substitute the values

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step 2

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Is a horizontal line (parallel to the x-axis)

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step 3

Find the midpoint BC

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M=(\frac{x1+x2}{2},\frac{y1+y2}{2})

substitute the values

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step 4

Find the equation of the line perpendicular to the segment BC that passes through the point (3,-1)

Is a vertical line (parallel to the y-axis)

x=3 -----> equation B

step 5

Find the circumcenter

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x=3 -----> equation B

The intersection point is (3,2)

therefore

The coordinates of the circumcenter of this triangle are (3,2)

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