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Lerok [7]
3 years ago
11

10 Rotate the point (7, 8) around the origin 90 degrees. State the image of the

Mathematics
2 answers:
____ [38]3 years ago
6 0

Answer:

(-8, 7)

Step-by-step explanation:

for 90 degree rotations u switch the numbers and make the first number opposite

zheka24 [161]3 years ago
3 0

Answer:c

Step-by-step explanation:

-8,7

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Please solve for x. (-:<br><br> Also please show me a step-by-step, thanks! uwu
Stells [14]

Answer:

x=27

Step-by-step explanation:

we know that

(3x+9)^o+90^o=180^o ----> by supplementary angles (form a linear pair)

Solve for x

Combine like terms

(3x+99)^o=180^o

subtract 99 both sides

3x=180-99\\3x=81

Divide by 3 both sides

x=27

5 0
3 years ago
Help plz my teacher won't help
lesantik [10]

Answer:

y = -3x + 9

Step-by-step explanation:

y = mx + b where m is the slope and b is the y intercept

The hypotenuse is on the same line as BC but twice as long.  So extend that line up and it will cross the y axis at (0,9).  9 will be your y intercept.

To find the slope start at C and count  up 9 and to the left 3 to get to B.

So the slope is rise/run or 9/(-3) = -3.

Final equation would be y = -3x + 9

6 0
3 years ago
Find the standard form of the equation of the parabola with the given characteristics. Vertex: (-6, 1); focus: (-6, 0)
GREYUIT [131]

Answer: (x+6)^2=-4(y-1)

Step-by-step explanation:

Given

Vertex of the parabola (-6,1)

Focus of the parabola (-6,0)

As the x coordinate of vertex and focus is same and focus lie below the vertex, therefore the parabola is the type of

(x+6)^2=-4a(y-1)

distance between Vertex and focus is 1 unit

\therefore a=1

Parabola becomes

\Rightarrow (x+6)^2=-4(y-1)

8 0
3 years ago
Is the dilatation an enlargement or a reduction
Brilliant_brown [7]
Enlargement of 2. 

if it were a reduction it'd be getting smaller..
5 0
3 years ago
Help!!! The graph represents (x , y)- pairs that make the equation y = 2x true?
neonofarm [45]
To figure it out u plug in ur x value then multiply it by 2 to get ur y value. So if u had a value of 1 for ur x value ur y value would be 2
3 0
2 years ago
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