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charle [14.2K]
2 years ago
7

Find the area of the following figure and choose the appropriate result.

Mathematics
1 answer:
VikaD [51]2 years ago
7 0

Answer: The Area is 8497.7937

Step-by-step explanation: hope this helps

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Go to where 30 degrees is on the unit circle and find the y-coordinate. That is sin30.
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How to find minimum and maximum of this equation.
Westkost [7]

Using it's vertex, the maximum value of the quadratic function is -3.19.

<h3>What is the vertex of a quadratic equation?</h3>

A quadratic equation is modeled by:

y = ax^2 + bx + c

The vertex is given by:

(x_v, y_v)

In which:

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  • y_v = -\frac{b^2 - 4ac}{4a}

Considering the coefficient a, we have that:

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  • If a > 0, the vertex is a minimum point.

In this problem, the equation is:

y + 4 = -x² + 1.8x

In standard format:

y = -x² + 1.8x - 4.

The coefficients are a = -1 < 0, b = 1.8, c = -4, hence the maximum value is:

y_v = -\frac{1.8^2 - 4(-1)(-4)}{4(-1)} = -3.19

More can be learned about the vertex of a quadratic function at brainly.com/question/24737967

#SPJ1

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2 years ago
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X=9.3 is the answer to the question
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2 years ago
Someone help me please, i will give brainliest this is due soooooon!1111
Darya [45]

Answer:

216

Step-by-step explanation:

I'm sure there is a simpler way to do this but this is how I did it.

First divide 18 by 6 because it triples every 6 hours.

18/6=3

This means it will triple three times

Then triple the value three times

#1. 8x3=24

#2. 24x3=72

#3. 72x3=216

In 18 hours the virus will infect 216 people.

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