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natulia [17]
3 years ago
12

What is the answer to 7x-(5x+9)+4​

Mathematics
1 answer:
Darina [25.2K]3 years ago
8 0
7x -5x -9 + 4
= 2x - 5
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What is the center of a circle whose equation is x
jeyben [28]

Answer:

(6, 1)

Step-by-step explanation:

{x}^{2}  +  {y}^{2}  - 12x - 2y + 12 = 0 \\ equating \: it \: with \\  {x}^{2}  +  {y}^{2}   + 2gx  + 2fy + c= 0 \\we \: find \\ 2g =  - 12 \implies \: g =  - 6 \\ 2f =  - 2 \implies \: f =  - 1 \\ center \: of \: circle = ( - g \:  \:  - f) \\ center \: of \: circle = (6 \:  \: 1)

3 0
3 years ago
1.
photoshop1234 [79]

it is the second one

3 0
3 years ago
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Evaluate. 5x{(9 +2) X (6 + 3)} + 15​
Tju [1.3M]

Answer:15(3x11^+1)

Step-by-step explanation:

4 0
3 years ago
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HELLPP ASAP!!!What are the exact solutions of x2 − 5x − 1 = 0 using x equals negative b plus or minus the square root of the qua
Mnenie [13.5K]

Answer: x = the quantity of 5 plus or minus the square root of 29 all over 2

Step-by-step explanation:

The given quadratic equation is expressed as

x² - 5x - 1 = 0

The equation is already in the standard form of ax² + bx + c

The general formula for solving quadratic equations is expressed as

x = [- b ± √(b² - 4ac)]/2a

From the given quadratic equation,

a = 1

b = - 5

c = - 1

Therefore,

x = [- - 5 ± √(- 5² - 4 × 1 × - 1)]/2 × 1

x = [5 ± √(25- - 4)]/2

x = [5 ± √29]/ 2

x = ( 5 + √29)/- 2 or x = (5 - √29)/2

6 0
3 years ago
What is the relationship between the two equations: 3x + 4y = 12 & 6x + 8y = 48
Igoryamba

Answer:

Their slope is the same. Perpendicular

Step-by-step explanation:

3x + 4y = 12

4y=12-3x

y=-3/4x+3

6x + 8y = 48

8y=48-6x

y=-3/4+6

     

6 0
3 years ago
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