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Zina [86]
3 years ago
15

What is the reflection of point P (-1,6) across the line y=x

Mathematics
1 answer:
vesna_86 [32]3 years ago
4 0
It will be -1 and -6 because you would move down 12 times
 
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Find the equation of a circle whose center is at (-3, 7) and radius is 9 units.
timurjin [86]

Answer:

(x + 3)² + (y - 7)² = 81

Step-by-step explanation:

the equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k ) are the coordinates of the centre and r the radius

here (h, k ) = (- 3, 7 ) and r = 9 , then

(x - (- 3) )² + (y - 7)² = 9² , that is

(x + 3)² + (y - 7)² = 81

3 0
2 years ago
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What is the answer to this
IRINA_888 [86]

Answer:  3

Step-by-step explanation:

y-3=2(x+1)

y - 3 = 2x + 2

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y=2x+5

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5 0
2 years ago
How do u write graphs in standard form?
Deffense [45]

Answer:

The standard form for linear equations in two variables is Ax+By=C. For example, 2x+3y=5 is a linear equation in standard form. When an equation is given in this form, it's pretty easy to find both intercepts (x and y). This form is also very useful when solving systems of two linear equations.

Step-by-step explanation:

4 0
3 years ago
Pls help it is due today
Arlecino [84]

Answer:

576

Step-by-step explanation:

4 feet^2 = 2 feet*2 feet = 24 inch * 24 inch. 24*24 = 576.

8 0
3 years ago
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If f(x) = 2x + 3 and g(x) = 3x - 9, find (f + g)(x).
coldgirl [10]

Answer:

5x-6

Step-by-step explanation:

f(x) = 2x + 3

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f(x) + g(x) = 2x + 3  + 3x-9

               = 5x-6

5 0
3 years ago
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