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Aneli [31]
3 years ago
10

Rotate triangle P 90° clockwise about the point (2, -1).​

Mathematics
1 answer:
dlinn [17]3 years ago
3 0

Answer:

Step-by-step explanation:

If we are rotating about the point (2,-1) , then we first need to translate the triangle two points to the left so that point P is at location (2,-1). Once we have that we rotate everything 90 degrees clockwise, while maintaining the same distance and angles between each point in the triangle. After doing this we will get the triangle seen in the attached picture below. Which is fully rotated 90 degrees clockwise about the point (2,-1)

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Pls help ASAP if you can
Maksim231197 [3]

Answer:

its a.

Step-by-step explanation:

the empty circle means no line underneath and the line is going to the left.

4 0
3 years ago
Find the conjugate of the complex number 8+12i<br> 1) 96<br> 2) 8-12i<br> 3) -96i<br> 4) 20
timama [110]

Option 2 8-12i is correct.

Step-by-step explanation:

The conjugate of the complex number is obtained by changing the sign of the imaginary part.

In complex number 8+12i

8 is the real part and 12i is the imaginary part

The conjugate of 8+12i is 8-12i

So, Option 2 8-12i is correct.

Learn more about Complex numbers at:

brainly.com/question/10736268

brainly.com/question/4678474

Keywords: Complex numbers, conjugate

#learnwithBrainly

8 0
3 years ago
Simplify this expression.<br><br> 20.25−912+11
DIA [1.3K]

Answer:

-880.75

Step-by-step explanation:

Subtract 912 from 20.25 first then add 11.

7 0
4 years ago
Read 2 more answers
A solid has 20 vertices and 30<br> edges. How many faces does<br> it have?
IgorLugansk [536]

Answer:

12 Faces

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find the length L of the curve
ehidna [41]

Answer:

4.647 to the nearest thousandth.

Step-by-step explanation:

The formula for the length of an arc between  x = a and x = b is

  a

    ∫  √( 1 + (f'(x))^2) dx

  b

Here f(x) = √x so

we have  ∫  (√( 1 + (1/2 x^-1/2))^2 )   between x = 0 and x = 4.

=   ∫ ( √( 1 + 1/(4x)) dx   between  x = 0 and x = 4.

This is not easy to integrate  but some software I have gives me the following

length =  √17 + 1/8 log(33 + 1/8 √17)

= 4.647.

3 0
3 years ago
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