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Nutka1998 [239]
3 years ago
14

What is the slope of (-2,4) and (10,-20)? Thanks to whoever answers.

Mathematics
2 answers:
Sonja [21]3 years ago
5 0

Answer:

m=-2

Step-by-step explanation:

Mashutka [201]3 years ago
4 0

Answer:

-2

Step-by-step explanation:

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Describe the rotation of J
Serga [27]

Answer:

The coordinates of J' when rotating by 90° counterclockwise will be: J'(3, 1)

The coordinates of J' when rotating by 90° clockwise will be: J'(-3, -1)

Step-by-step explanation:

Square JKLM with vertices

  • J(1, -3)
  • K(5, 0)
  • L(8, -4)
  • M(4, -7)

We have to determine the answer for the image J' of the point (1, -3) when we rotate the point by 90° counterclockwise, we need to switch x and y, make y negative.

In other words, the rule to rotate a point by 90° counterclockwise.

P(x, y) → P'(-y, x)

As we are given that J(1, -3), so the coordinates of J' will be:

J(1, -3) → J'(3, 1)

Therefore, the coordinates of J' when rotating by 90° counterclockwise will be:  J'(3, 1).

When the point is rotated by 90° clockwise, we need to switch x and y, make x negative.

In other words, the rule to rotate a point by 90° clockwise.

P(x, y) → P'(y, -x)

As we are given that J(1, -3), so the coordinates of J' will be:

J(1, -3) → J'(-3, -1)

Therefore, the coordinates of J' when rotating by 90° clockwise will be:  J'(-3, -1)

3 0
3 years ago
What is the answer? Plz help
zloy xaker [14]

Answer:

5:15; 5 cups of juice and 15 cups of lemonade

Step-by-step explanation:

when simplified, the ratio is 1:3; so the first number multiplied by 3 equals the 2nd number

other answers: 6:18, 7:21, 8:24

8 0
2 years ago
Read 2 more answers
The actual distance between two villages is 120 kilometers. On a map of the area, 0.5 centimeter represents 2 kilometers.
stira [4]

Answer:

30 centimeters

Step-by-step explanation:

120 ÷2 =60 now you must use only .5 of that number so you have thirty

3 0
2 years ago
Con base en el siguiente texto, responde la pregunta 7. Los ángulos de un
Sonbull [250]

Answer:

c

Step-by-step explanation:

5 0
3 years ago
Homework help, one of the few I have
Alex73 [517]

Answer:

x=4 and the solution is not extraneous

Step-by-step explanation:

\sqrt{2x+1}=3 \\\\2x+1=9 \\\\2x=8 \\\\x=4

This solution is not extraneous, because plugging it back in you get:

\sqrt{2(4)+1}=3 \\\\\sqrt{9}=3 \\\\3=3

Hope this helps!

8 0
3 years ago
Read 2 more answers
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