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krok68 [10]
3 years ago
12

I need help! Please help me

Mathematics
1 answer:
insens350 [35]3 years ago
5 0

Answer:

x = 3.6

Step-by-step explanation:

By the Postulate of intersecting chords inside a circle.

x \times 5 = 3 \times 6 \\ 5x = 18 \\ x =  \frac{18}{5}  \\ x = 3.6 \\

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Step-by-step explanation:

Download docx
7 0
3 years ago
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V125BC [204]

Answer:

\boxed {\boxed {\sf x=2}}

Step-by-step explanation:

The axis of symmetry can be calculated using the formula:

x=\frac{-b}{2a}

First we must determine a and b from the quadratic: -x^2+4x-8. This is in standard form, with the highest power first in descending order.

Standard form is also: ax^2+bx+c

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This can also be determined from the graph. It is the x-coordinate of the vertex or the maximum/minimum. It divides the quadratic into 2 symmetrical halves.

8 0
3 years ago
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