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rewona [7]
3 years ago
6

Melanie drew a line l and a point P that was not on l . Which of these is an impossible value for the number of line segments th

at begin at point P, end on line l , and have length 2 units?
A) zero
B) exactly one
C) exactly two
D) infinitely many
Mathematics
2 answers:
marusya05 [52]3 years ago
6 0
I think it is
C.) <span>exactly two </span>
LiRa [457]3 years ago
5 0

Answer:

D

Step-by-step explanation:

There are 3 cases:

  • there is only 1 segment between P and I that have a length of 2 (that segment is perpendicular to line I)
  • there are only 2 segments between P and I that have a length of 2 (in this case, P is nearer than before)
  • P is further than the first case, so that, any segment is longer than 2.

The impossible case is that there are infinite segments of length 2

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3 years ago
Solve the equation 6x + 12 = 4x - 18
kenny6666 [7]

Answer:

X = -15

Step-by-step explanation:

6X +12 = 4X -18

Subtract 4X from both sides

2X +12 = -18

Subtract 12 from both sides

2X = -30

Divide both sides by 2

X = -15

So basically just have the unknown on one side and normal numbers on the other. Make sure you do the same thing on both sides.

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3 years ago
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Given that f(x) = 13x2 + 156, find x. A) x = ±2i 3 B) x = ±2i 6 C) x = ±3i 5 D) x = ±3i 6
mamaluj [8]

Answer:

  A)  x = ±2i√3

Step-by-step explanation:

We presume you want to find x such that f(x) = 0.

Divide by 13:

  x² + 12 = 0

Subtract 12:

  x² = -12

Take the square root:

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Solve the pair of simultaneous equation<br> 2-4(3x-y)=8(4-y)-39x and 8(4-y)-39x=6(y-x)
andre [41]

Answer:

X = -(146/123) , Y = 21/41

Step-by-step explanation:

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39x-12x+8y-4y = 32-2

27x+4y = 30

27x+4y-30 = 0

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8 0
3 years ago
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