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Radda [10]
2 years ago
6

PLZ ASWER ASAP!!!!!!!!!!!

Mathematics
1 answer:
geniusboy [140]2 years ago
4 0

Answer:

f(x) = 6x² - 24x + 21

Step-by-step explanation:

The equation of a quadratic function in vertex form is

f(x) = a(x - h)² + k

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

Here (h, k ) = (2, - 3 ) , then

f(x) = a(x - 2)² - 3

To find a substitute (1, 3 ) into the equation

3 = 1(1 - 2)² - 3

3 = a(- 1)² - 3

3 = a - 3 ( add 3 to both sides )

6 = a

f(x) = 6(x - 2)² - 3 ← in vertex form

     = 6(x² - 4x + 4) - 3

     = 6x² - 24x + 24 - 3

f(x) = 6x² - 24x + 21 ← in standard form

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Suppose that Juan found a crop circle with a 1350 ft radius. He follows a 2000 ft arc on the circle.What central angle, in radia
Anuta_ua [19.1K]

Given:

a.) Suppose that Juan found a crop circle with a 1350 ft radius.

b.) He follows a 2000 ft arc on the circle.

To find the central angle, we will be using the following formula:

\text{ S = r}\Theta

Where,

S = Arc Length = 2000 ft.

r = radius = 1350 ft.

Θ = Central angle (in radians)

We get,

\text{ S = r}\Theta\Theta\text{ = }\frac{\text{ S}}{\text{ r}}\text{ = }\frac{\text{ 2000}}{\text{ 1350}}\text{ = }\frac{\text{ 40}}{\text{ 27}}\text{ }\Theta\text{ = }\frac{40}{27}\text{ radians}

Therefore, the answer is 40/27 radians.

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1 year ago
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Responder:

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Explicación paso a paso:

Dado

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El área total de las dos paredes es la suma de las áreas de ambas paredes como se muestra;

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Step-by-step explanation:

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