2 years ago

The point P(5, −1) is rotated 90 degrees clockwise around the origin.

Mathematics

2 answers:

Katen [24]2 years ago

4 0

I’m pretty sure the answer is C

azamat2 years ago

3 0

Answer:

Step-by-step explanation:

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Please help with this question!!

xxMikexx [17]

$\text{Let}\ k:y=m_1x+b_1\ \text{and}\ l:y=m_2x+b_2\\\\l\perp k\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}\\\\\text{We have the points J(-24, -4) and K(-4, 6)}.\\\\\text{The formula of a slope:}\\\\m=\dfrac{y_2-y_1}{x_2-x_1}\\\\\text{substitute:}\\\\m_1=\dfrac{6-(-4)}{-4-(-24)}=\dfrac{10}{20}=\dfrac{1}{2}\\\\\text{therefore}\ m_2=-\dfrac{1}{\frac{1}{2}}=-2\\\\\text{The formula of a midpoint:}\\\\\left(\dfrac{x_1+x_2}{2};\ \dfrac{y_1+y_2}{2}\right)\\\\\text{substitute the coordinates of the points J and K:}$

$x=\dfrac{-24+(-4)}{2}=\dfrac{-28}{2}=-14\\\\y=\dfrac{-4+6}{2}=\dfrac{2}{2}=1\\\\\text{midpoint}\ (-14,\ 1)\\\\\text{The point-slope form:}\\\\y-y_1=m(x-x_1)\\\\\text{substitute}\ m=-2,\ x_1=-14\ \text{and}\ y_1=1:\\\\y-1=-2(x-(-14))\\\\\boxed{y-1=-2(x+14)}$

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2 years ago

In a school auditorium, the number of chairs in a row is the same as the number of rows of chairs. If there are 529 chairs in th

BartSMP [9]

Answer:

23!

Step-by-step explanation:

529/23= 23

23 chairs and 23 rows

8 0

1 year ago

Which numbers are a distance of 5 units from 8 on a number line?

Aneli [31]

13, 3. are the ones i could find

5 0

3 years ago

Read 2 more answers

PLEASE HELP!!! PLEASE HELP!!!

Nostrana [21]

A. x - 6

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2 years ago

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Cada uno de los 28 estudiantes en la clase de Romi recaudó al menos $ 25 durante el jump-a-thon. ¿Cuál es la menor cantidad de d

Crank

Answer:

$700.00 porque si cada uno recaudo por lo menos $25.00 entonces multiplicas 28 por los estudiantes y $25.00 por la cantidad menos recaudada equivalente a $700.00

Step-by-step explanation:

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2 years ago