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lisabon 2012 [21]
3 years ago
9

Solve the system using elimination: 5x+4y=12 3x-3y=18

Mathematics
1 answer:
Stels [109]3 years ago
8 0
I hope this helps you

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Simplify the following expression completely using distribution and combining like terms
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Step-by-step explanation:

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Step-by-step explanation:

For two angles to be complementary means that the sum of the two angles is equivalent to 90°. When an angle has one of those little squares, that means the angle is a right angle, or a 90° angle. Also, since it's given that line segment AB and line segment BC are perpendicular, this means the two lines/line segments cross each other at a right angle, which also proves that line segment AB and BC have a 90° angle.

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  • Answer:

<em>f(3) = 13</em>

  • Step-by-step explanation:

<em>f(x) = 2x + 7</em>

<em>replace </em><em>x</em><em> with </em><em>3</em>

<em>f(3) = 2×3 + 7</em>

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