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vivado [14]
3 years ago
5

GEOMETRY TRIANGLES I WILL GIVE BRAINLIEST H

Mathematics
1 answer:
nasty-shy [4]3 years ago
7 0

Answer: AC = 20

AC and BC are equal, so if you set -y + 23 as equal to 6y + 2, you get -y + 23 = 6y + 2. You can then subtract 2 from both sides, to get -y + 21 = 6y. Then add y to both sides, and you can get 7y = 21, which then simplifies to Y = 3. Then do -3 + 23 to find AC, to get 20.

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Answer 15.


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4 0
3 years ago
Y= -3(x-3)^2+4 identify the axis of symmetry.
Julli [10]

Answer:

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Step-by-step explanation:

Perform the indicated mult., obtaining:

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y = 3x² - 18x + 27 + 4, or

y + 3x² - 18x + 31

Here the coefficients are a = 3, b = -18 and c = 31.

The axis of symmetry is x = -b / (2a), which here is:

      -(-18)

x = ----------- = 18/6 = 3

       2(3)

The equation of the axis of symmetry is x = 3

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