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slavikrds [6]
3 years ago
9

What is the length of AC¯¯¯¯¯ ?

Mathematics
2 answers:
insens350 [35]3 years ago
7 0

Answer:

AC = 6

Step-by-step explanation:

y is the dimension of the horizontal segment (see the attached image).

The hypotenuses are the same dimension, so:

(x+4)^2=(x/2)^2+y^2

(3x-8)^2=(x/2)^2+y^2

So,

(x+4)^2 = (3x-8)^2

x+4 = 3x-8

x-3x = -8-4

-2x = -12

x = 6

And x is the dimension of the segment AC.

san4es73 [151]3 years ago
5 0

Answer : The length AC is, 6

Step-by-step explanation :

The given triangle is an isosceles triangle in which the angles opposite to equal sides are always equal.

Thus, \angle A=\angle C

(x+4)=(3x-8)

x+4=3x-8

3x-x=8+4

2x=12

x=6

The length AC = x = 6

The length AB = (x + 4) = 6 + 4 = 10

The length AB = (3x - 8) = 3(6) - 8 = 10

Thus, the length AC is, 6

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Answer: 277 ways

Step-by-step explanation:

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2). 4-3-2-1 = 4! = 24 permutations.

3). 4-3-1-1-1 (5*[4!/(3!1!)]

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4). 4-2-2-2 (4 permutations)

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9). 3-3-1-1-1-1 (6!/(4!2!) = 0

10). 3-2-2-2-1 (5*4!/(3!1!)

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11). 3-2-2-1-1-1 (6*5!/(3!2!)

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