3 years ago

A circle has a radius of 4 meters.

1 answer:

jeka943 years ago

8 0

That would be 1/2 r^2 theta where r = radius and theta = angle in radians sp her we have

Area of sector = 1/2 * 4^2 * 2.4 = 8 * 2.4 = 19.2 m^2 Answer

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Graph the inequality X+2y>6

IceJOKER [234]

The line is supposed to be straight sorry mine is not straight I couldn’t find my ruler.

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What is the domain of the following parabola? (5 points)

nikitadnepr [17]

Answer:

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Solve the equation -3 = -13 - 5x for x

Law Incorporation [45]

Answer:

x = -2

Step-by-step explanation:

-3 = -13 - 5x

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10 = -5x

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3 years ago

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A culture started with 3000 bacteria. After 4 hours, it grew to 3,600 bacteria. Predict how many bacteria will be present after

Vlad [161]

Hello Shannonrodrigue. You can solve this by setting up an exponential growth equation.

$A = A_ob^t$
$3600 = 3000b^4$

Now we solve for b
$3600 = 3000b^4$
$\frac{3600}{3000} = \frac{3000b^{4}}{3000}$
$\frac{6}{5} = b^4$
$\sqrt[4]{\frac{6}{5}} = \sqrt[4]{b^4}$
$\sqrt[4]{\frac{6}{5}} = b$

Now that we have found b, we can use the equation $A = 3000b^t$ to predict how many bacteria will be present after 10 hours.
$b = \sqrt[4]{\frac{6}{5}}$
t = 10
$A = 3000b^t$
$A = 3000\sqrt[4]{\frac{6}{5}}^{10} = 4732.3228 = 4732$

Answer = 4732

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3 years ago

What are the values of a and b?

Helen [10]

A is 6 because so is the side across from it

And B is 8 because it the same size just flip it

Brainliest would be appreciated

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