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Vilka [71]
3 years ago
5

During which phase were no faults introduced?

Mathematics
1 answer:
dybincka [34]3 years ago
4 0

Step-by-step explanation:

phase 4 had no faults introduced

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What is the solution to the system of two equations shown?
Nadya [2.5K]

The solution of the given system of equation is x = -3 and y = 4 respectively.      

<h3>What is a system of linear equations?</h3>

A system of linear equations can be defined as a number of equations needed to solve the equations. For n number of variables n number of equations are required.

The given system of equations is as,

y = 4x + 16                   (1)

y = −2x − 2                  (2)

In order to solve them, substitute equation (2) into (1) as follows,

4x + 16 = −2x − 2

=> 4x + 2x = -2 - 16

=> 6x = -18

=> x  = -3

Then, y = -2 × -3 - 2 = 4

Hence, the solution of the given system of equation is x = -3 and y = 4.  

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Find the vertex of the parabola<br> y= x^2-2x-1<br> vertex (?,?)
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y=ax^2+bx+c\\\\vertex:(x_v;\ y_v)\\\\x_v=\frac{-b}{2a}\ and\ y_v=f(x_v)


y=x^2-2x-1\\\\a=1;\ b=-2;\ c=-1\\\\x_v=\frac{-(-2)}{2\cdot1}=\frac{2}{2}=1\\\\y_v=1^2-2\cdot1-1=1-2-1=-2\\\\Answer:(1;-2)
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Answer:

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Step-by-step explanation:

A^2 (Short side) + B^2 (Short side) = C^2 (Long side)

Stay safe and Merry Christmas! :)

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Answer:

7/18 pi

Step-by-step explanation:

To convert from degrees to radians, multiply by pi/180

70 * pi/180

7/18 pi

4 0
3 years ago
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