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tatiyna
2 years ago
14

What is always true about angles A and B for the given right triangle.

Mathematics
2 answers:
sdas [7]2 years ago
6 0
I believe the answer is f
MakcuM [25]2 years ago
3 0
D is correct they are both less than 90 degrees and since c is 90 they both add up to 90 to get 180
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Please help me!!!!!
chubhunter [2.5K]

Answer:

y = - \frac{2}{5} (x - 5)² + 7

Step-by-step explanation:

The equation of a quadratic in vertex form is

y = a(x - h)² + k

where (h, k ) are the coordinates of the vertex and a is a multiplier

Here (h, k ) = (5, 7 ) , then

y = a(x - 5)² + 7

To find a substitute (10, - 3 ) into the equation

- 3 = a(10 - 5)² + 7 ( subtract 7 from both sides )

- 10 = 5²a = 25a ( divide both sides by 25 )

\frac{-10}{25} = a , that is

a = - \frac{2}{5}

y = - \frac{2}{5} (x - 5)² + 7 ← in vertex form

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