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vivado [14]
2 years ago
5

Help please ill give brainliest promise

Mathematics
1 answer:
Otrada [13]2 years ago
7 0

Answer: C

Step-by-step explanation:

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A line segment has endpoint j(2,4) and l(6,8).the point k is the midpoint of jl.what is an equation of a line perpendicular to j
GenaCL600 [577]
The equation of the line is:
 y-yo = m (x-xo)
 Where,
 m = (y2-y1) / (x2-x1)
 Substituting values:
 m = (8-4) / (6-2)
 m = (4) / (4)
 m = 1
 Then, the equation is:
 y-4 = 1 * (x-2)
 Rewriting:
 y = x-2 + 4
 y = x + 2
 The midpoint is:
 k = ((x1 + x2) / 2, (y1 + y2) / 2)
 k = ((2 + 6) / 2, (4 + 8) / 2)
 k = ((8) / 2, (12) / 2)
 k = (4, 6)
 Then, the equation of the perpendicular line that passes through k is:
 y = -x + b
 Looking for b we have:
 6 = -4 + b
 b = 6 + 4
 b = 10
 Substituting:
 y = -x + 10
 Answer:
 An equation of a line perpendicular to jl and passing through k is:
 y = -x + 10
3 0
2 years ago
Two sides of a triangle measure 5 inches and 9 inches. Which of the following is a measure of a possible 3rd side of the triangl
svet-max [94.6K]

Answer:

B. 5 inches

Step-by-step explanation:

This is because of the triangle inequality theorem which states "The sum of the lengths of any two sides of a triangle is greater than the length of the third side." So, since 5+9 is 14 it has to be less than 14. Also, because 5+2 is 7 and that is not greater than 9 it has to be 5 inches.

4 0
2 years ago
Read 2 more answers
18% of what number is 29?
galina1969 [7]

Alright, so we are trying to figure out what number 18% of equals 29. First, we should divide 100 by 18 we get 5.55555555555. That means 29*5.5555555555 is the number we are looking for: <em>29*5.5555555555=161.111111</em>

Answer:161.11111111111(repeated infinitely)

5 0
3 years ago
The expression 6a-14-a+7 simplifies to
Aloiza [94]
The answer to this is 5a-7
8 0
2 years ago
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5x -2y=18 what does x and y equal?
Ilia_Sergeevich [38]

Answer:

x,y\ could\ be\ any\ real\ numbers

Step-by-step explanation:

As\ a\ linear\ equation\ in\ two\ variable\ has\ infinite\ solutions,\\5x-2y=18, will\ also\ have\ infinite\ solutions\ and\ x\ and\ y\ can\ take\ any\ real\ values.

6 0
3 years ago
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