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ratelena [41]
3 years ago
13

Solve the following system of equations:

Mathematics
1 answer:
Sati [7]3 years ago
5 0
Hello,

Answer D (1,0,2) (méthode du pivot de Gauss)


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Answer:

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Step-by-step explanation:

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2 years ago
The area of a circle is 113.04in^2. what is the radius of the circle
Alex

\bf \textit{area of a circle}\\\\ A=\pi r^2~~ \begin{cases} r=radius\\ \cline{1-1} A=113.04 \end{cases}\implies 113.04=\pi r^2\implies \cfrac{113.04}{\pi }=r^2 \\\\\\ \stackrel{using~\pi =3.14}{36}=r^2\implies \sqrt{36}=r\implies 6=r

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3 years ago
Y = -3x+4 and y= 1/2x-3
Papessa [141]

Answer:

{x = 2  , y = -2

Step-by-step explanation:

Solve the following system:

{y = 4 - 3 x | (equation 1)

{y = x/2 - 3 | (equation 2)

Express the system in standard form:

{3 x + y = 4 | (equation 1)

{-x/2 + y = -3 | (equation 2)

Add 1/6 × (equation 1) to equation 2:

{3 x + y = 4 | (equation 1)

{0 x+(7 y)/6 = (-7)/3 | (equation 2)

Multiply equation 2 by 6/7:

{3 x + y = 4 | (equation 1)

{0 x+y = -2 | (equation 2)

Subtract equation 2 from equation 1:

{3 x+0 y = 6 | (equation 1)

{0 x+y = -2 | (equation 2)

Divide equation 1 by 3:

{x+0 y = 2 | (equation 1)

{0 x+y = -2 | (equation 2)

Collect results:

Answer:  {x = 2  , y = -2


8 0
2 years ago
50 plus 30 times 14 equalsss
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Answer:

470 is your awnser

Step-by-step explanation:

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3 years ago
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ASHA 777 [7]

Answer:

60

Step-by-step explanation:

45/9=5 an 12x5=60

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3 years ago
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