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Leni [432]
3 years ago
11

What are the coordinates of the points (2,-3) after a counter clockwise rotation of 90 about the Origin?

Mathematics
1 answer:
Ber [7]3 years ago
4 0

Step-by-step explanation:

(2, -3) is in the 4th quadrant. By the counter clockwise rotation of 90° around the origin, it will be in the 1st quadrant.

Any point in the 1st quadrant has both positive x and y coordinates.

So the answer is (3, 2).

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The product of two factors is x2+ 6x + 8. If one of the factors is (x + 4), what is the other factor?
ch4aika [34]
(x + 4) (x + 2)
=x^2 +2x + 4x + 8
=x^2 + 6x + 8
the other factor is (x + 2)
6 0
3 years ago
Which of the following is equivalent to 2 stretching below? (14-9i)+(2+3i)..​
Flauer [41]

Answer:

(14-9i)+(2+3i) = 16-6i

Step-by-step explanation:

We need to find the equivalent of (14-9i)+(2+3i).

We need to add the two expressions.

(14-9i)+(2+3i) = 14+2 -9i+3i

= 16-6i

Here, the real part is 16

The imaginary part is -6

Hence, the required answer is equal to 16-6i.

7 0
3 years ago
the perimeter of a pool is 250 feet. the length is 25 feet less than twice its width. find th width in feet.
Nastasia [14]

L = 2W - 25


Perimeter = 2L + 2W


250 = 2W + 2(2W - 25)


6W - 50 = 250

W = 300/6

W = 50 feet answer

8 0
3 years ago
Find the midpoint of the segment with the following endpoints.<br> (4, -10) and (0,0)
Elis [28]

Answer:(2, -5)

Step-by-step explanation:

7 0
3 years ago
Which of the following is the equation of a circle whose center is at the origin and whose radius is 4?
Gennadij [26K]
\bf \textit{equation of a circle}\\\\ &#10;(x- h)^2+(y- k)^2= r^2&#10;\qquad &#10;center~~(\stackrel{0}{ h},\stackrel{0}{ k})\qquad \qquad &#10;radius=\stackrel{4}{ r}&#10;\\\\\\&#10;(x-0)^2+(y-0)^2=4^2\implies x^2+y^2=16
4 0
3 years ago
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