3 years ago

How to find the exterior angle sum of a 500gon

Mathematics

1 answer:

seropon [69]3 years ago

6 0

360 deegrees you welcome

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9 student are reading the book

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2 years ago

Suppose that there are 500 students in the school about how many of them study between 4.2 and 5.8

Nata [24]

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i know right

Step-by-step explanation:

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Can someone show me how to factor this please?

Alex_Xolod [135]

Answer:

$\displaystyle \theta = \left\{\frac{7\pi}{6}, \, \frac{3\pi}{2}, \frac{11\pi}{6}\right\}$

Step-by-step explanation:

We want to solve the equation:

$2\sin ^2 \theta + 3\sin \theta + 1 = 0$

In the interval [0, 2π).

Notice that this is in quadratic form. Namely, by letting u = sin(θ), we acquire:

$\displaystyle 2u^2 + 3u + 1 = 0$

Factor:

$\displaystyle (2u+1)(u+1) = 0$

By the Zero Product Property:

$\displaystyle 2u + 1 = 0\text{ or } u + 1 = 0$

Solve for each case:

$\displaystyle u = -\frac{1}{2} \text{ or } u = -1$

Back-substitute:

$\displaystyle \sin \theta = -\frac{1}{2} \text{ or } \sin \theta =-1$

Use the Unit Circle. Hence, our three solutions in the interval [0, 2π) are:

$\displaystyle \theta = \left\{\frac{7\pi}{6}, \, \frac{3\pi}{2}, \frac{11\pi}{6}\right\}$

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3 years ago

Simplify. x + y - 0 x 2 - y 2

dusya [7]

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-y^(2)+x+y

Step-by-step explanation:

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3(x-1)=2x+5 what is the solution

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3(x-1)=2x+5
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x=8

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3 years ago

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