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Masja [62]
3 years ago
9

HELPPP PLS What is the vertex form of the equation? y = x² – 2x+8

Mathematics
2 answers:
Andreas93 [3]3 years ago
8 0
I believe it would be (1,7)
Delicious77 [7]3 years ago
7 0
(1,7) would be your correct answer
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Answer:

a

Step-by-step explanation:

The volume (V) of a cone is calculated as

V = πr²h ( r is the base radius and h the perpendicular height )

To calculate the height h use the right triangle formed by the radius and the inclined side.

Given diameter = 22, then r = 22 ÷ 2 = 11 cm

Using Pythagoras' identity on the right triangle, then

h² + 11² = 61² , that is

h² + 121 = 3721 ( subtract 121 from both sides )

h² = 3600 ( take the square root of both sides )

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Thus

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