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2 years ago

Enter the coordinates of the point on the unit circle at the given angle 180 degrees

Mathematics

2 answers:

prohojiy [21]2 years ago

7 0

the coordinates of the point on the unit circle at the given angle 180 degrees is (-1,0)

kicyunya [14]2 years ago

6 0

Answer:

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Step-by-step explanation:

Please provide image

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each hour the number of bacteria in dr. nall's petri dish tripled what percent is the population compared to the population the

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The starting percent is 100%. After one hour, bacteria tripled, so it is 300%.

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2 years ago

Solve

NISA [10]

Answer:

$r = 0.01$

Step-by-step explanation:

In order to find r we have to square both sides of the equation

$0.1 = \sqrt{r} \\ {0.1}^{2} = { \sqrt{r} }^{2}$

The *square root* sign cancels out the *squared* sign therefore:

${0.1}^{2} = r \\ 0.01 = r$

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2 years ago

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18. In the figure, o is the center of the circle passing through P, Q, R and S. If angle SOQ = 150°, find the values of x and y.

AveGali [126]

Answer:

x = 75°

y = 105°

Step-by-step explanation:

Angle subtended on the circumference of the circle is half of the angle subtended on the center of the circle.

$\therefore m\angle SRQ = \frac{1}{2} \times m\angle SOQ\\\\\therefore x = \frac{1}{2} \times 150\degree \\\\\red{\bold{\therefore x =75\degree}} \\$

Quadrilateral PQRS is a cyclic quadrilateral.

$\therefore m\angle R + m\angle P= 180\degree \\\\\therefore x + y = 180\degree \\\\\therefore 75\degree + y = 180\degree \\\\\therefore y = 180\degree - 75\degree \\\\\purple {\bold {\therefore y = 105\degree}} \\$

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2 years ago