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crimeas [40]
1 year ago
14

Name Kuta Software - Infinite Algebra 2 Systems of Two Equations Solve each system by graphing. Date 1) y=-3x + 4 y= 3x - 2 2) y

=x+2 x=-3
Mathematics
1 answer:
Viktor [21]1 year ago
7 0

Lets make the graph of our systems of equations:

The blue line correspond to the equation x-y=3 and the red one correspond to 7x-y=-3. The lines intersect at point (-1,-4), then, the solution of the system is (-1,-4).

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Read 2 more answers
THE VALUE OF (-3)raised to 4 is
Finger [1]

Step-by-step explanation:

81

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3 years ago
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Ulleksa [173]

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Step-by-step explanation:

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3 years ago
Determine the value of $a$. [asy] pair w=(0,4); pair x=(0,0); pair y=(4,0); pair z=y+7/sqrt(2)*(1,1); dot(w); dot(x); dot(y); do
grandymaker [24]

Answer:

a=7

Step-by-step explanation:

The image is rendered and attached below.

Triangle WXY is an Isosceles right triangle, since WX=XY.

First, we determine the length of WY using Pythagoras Theorem.

WY=\sqrt{4^2+4^2}\\WY=\sqrt{32}

Since triangle WXY is Isosceles, \angle XYW=45^\circ

\angle XYZ=\angle XYW+\angle WYZ\\135^\circ=45^\circ+\angle WYZ\\\angle WYZ=135^\circ-45^\circ=90^\circ

Therefore:

Triangle WYZ is a right triangle with WZ as the hypothenuse.

Applying Pythagoras Theorem

WZ^2=WY^2+YZ^2\\9^2=(\sqrt{32})^2+a^2\\a^2=81-32\\a^2=49\\a^2=7^2\\$Therefore: a=7

3 0
3 years ago
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