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DochEvi [55]
3 years ago
8

Write the equation of a circle with center (2, –8) and radius 9. (x + 2)^2 + ( y - 8 )^2=9

Mathematics
2 answers:
Leya [2.2K]3 years ago
7 0

Answer:

Step-by-step explanation:

RoseWind [281]3 years ago
3 0

Answer:

(x-2)^2+(y+8)^2=81

Step-by-step explanation:

so equation of a circle standard form:

(x-h)^2+(y-k)^2=r^2

where

(h,k) are the coordinate points

so lets substitute h=2 and k=-8

(x-2)^2+(y+8)^2=9^2

(x-2)^2+(y+8)^2=81

Hope this helps!

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A line passes through the point (8, - 6) and has a slope of - 5/4 <br> what is the equation?
nika2105 [10]

Answer:

y+6 = -5/4 (x-8)  (this is point slope form)

Step-by-step explanation:

y-y1 = m (x-x1)

y- (-6) = -5/4 (x-8)

y+6 = -5/4 (x-8)

5 0
4 years ago
Is it true 4 and -4 have a sum of 0
mafiozo [28]

Answer:

Yes, 4 + -4 = 0.

Think of it like a number line: The number four is 4 units to the right of the center which is 0, and the number negative four is 4 units to the left of the center. When you add them together, those distances cancel out, and you just get 0.

3 0
3 years ago
What is the solution to the equation
irakobra [83]

Answer:

x = 12

Step-by-step explanation:

5(x - 6) = 2(x + 3)

Distribute

5x - 30 = 2x + 6

Put like terms on each side by subtracting both sides by -2x and adding 30 on each side

3x = 36

Simplify

3x/3 = 36/3

x = 36/3

x = 12

Plug is back in to check

5(12) - 30 = 2(12) + 6

60 - 30 = 24 + 6

30 = 30

6 0
3 years ago
Read 2 more answers
Analyzing Graphs to Determine Input Values
miv72 [106K]

Answer:

Step-by-step explanation:

se the graph to determine the input values that

correspond with f(x) = 1.

O x=4

O x= 1 and x = 4

O x= -7 and x = 4

O x= -7 and x = 2

6.

(-6, 4)

4

(1,4) w

2

(-7, 1)

(2, 1) x

2

4

-8/ -6 -4 -2

-2

-4

7 0
3 years ago
use each of the digits 2,3,5,8 once with any combination of +,-,., or () to write an expression with a value of 104
densk [106]
8 times 13 = 104

8 * ( 5*3 - 2) = 104
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3 years ago
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