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ivolga24 [154]
3 years ago
5

A triangle ABC with vertices A (1, 5), B (5, 2), and C (-1, 2) is rotated 90º . What are the coordinates of C'?

Mathematics
1 answer:
pshichka [43]3 years ago
4 0
The answer is (-2,-1), by the formula:
R90 (x,y)= (-y,x)
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I've been sitting on this problem for 2 hours! AND I STILL DON'T KNOW WHAT THE HECK IT ISSS!!!!
MArishka [77]

Answer:

A

Step-by-step explanation:

Use foil to expand it.

y = 4 (x^2 + 7x - 9x - 63)     Combine the like terms on the right.

y = 4(x^2 - 2x - 63)              Use the distributive property to remove the brackets.

y = 4x^2 - 8x - 4*63            Combine the two multiplied factors on the right.

y = 4x^2 - 8x - 252              4* 63 = 252

The answer is A

7 0
3 years ago
Type the correct answer in the box.
tamaranim1 [39]

Answer:

The missing value of x is 3

Step-by-step explanation:

Given Table:

  x     y

 3      10

__    20

The relation of x and y (x,y) is not a function.

Relation is function if it is one-to-one.

One-to-one means to different value of x to get different value of y.

If function is not a function then one value of x to get two different value of y.

For first value of x=3, y=10

For which value of x= ? , y=20

x must be 3

x=3 to get y=20

The missing value of x is 3 because same of x we get two different value of y.

4 0
3 years ago
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4 to the power of 2 -3 (7+4)
leva [86]

Answer:

-17

Step-by-step explanation:

8 0
3 years ago
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What is the value of N?
son4ous [18]

Answer:

A

Step-by-step explanation:

85 Degrees.

3 0
3 years ago
Compare the two graphs and explain the transformation that was applied to f(x) in order to look exactly like the graph of g(x).
tia_tia [17]

Answer:

g(XS)

Step-by-step explanation:

bring it up 2 squares ftom 4

5 0
3 years ago
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