2 years ago

What chacharacteristic help you tell the difference between a rhombus and a rectangle? Explain.

Mathematics

2 answers:

Lerok [7]2 years ago

8 0

A rhombus has all equal sides

jeka57 [31]2 years ago

3 0

Rhombus -> 2 equivalent obtuse angles, 2 equivalent acute angles

vs.

Rectangle -> 4 equivalent right angles.

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Answer:

$x=0.75 \pm 2.47067i$

Step-by-step explanation:

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Step 1: Define

y = -3x² + 4.5x - 20

a = -3

b = 4.5

c = -20

Step 2: Substitute and Evaluate

$x=\frac{-4.5 \pm \sqrt{4.5^2-4(-3)(-20)} }{2(-3)}$

$x=\frac{-4.5 \pm \sqrt{20.25-240} }{-6}$

$x=\frac{-4.5 \pm \sqrt{-219.75} }{-6}$

$x=\frac{-4.5 \pm \sqrt{219.75}(\sqrt{-1} ) }{-6}$

$x=\frac{-4.5 \pm i\sqrt{219.75} }{-6}$

$x=\frac{4.5 \pm i14.824 }{6}$

$x=0.75 \pm 2.47067i$

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