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Gala2k [10]
3 years ago
13

If AC = 52, AB = 8x + 8, and BC = 2x + 4, then the length BC is

Mathematics
1 answer:
Reil [10]3 years ago
5 0

Answer:

12

Step-by-step explanation:

AC = AB + BC

Since we know what each variable equals, we can write out the equation as shown:

52 = 8X + 8 + 2X + 4

Combining like terms:

52 = 10X + 12

Subtract 12 from both sides:

40 = 10X

Divide by 10:

X = 4

Now that we know X, we can figure out BC

BC = 2(4) + 4

BC = 8 + 4

BC = 12

Therefore BC is 12.

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