3 years ago

The distance formula can be used to prove that a triangle has?

2 answers:

8 0

A straight edge, or a right angle, whatever you call it.
If you have sides a, b and c, and c = √(a²+b²), you know that a and b are perpendicular.

Natali [406]3 years ago

3 0

Answer:

The answer should be congruent sides.

Step-by-step explanation:

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Vadim26 [7]

Answer:

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3 years ago

Which equation is the inverse of 2(x - 2)^3=8(7+y)

irina1246 [14]

Answer:

$\large\boxed{y=2\pm\sqrt{28+4x}}$

Step-by-step explanation:

$2(x-2)^2=8(7+y)\\\\\text{exchange x to y, and vice versa:}\\\\2(y-2)^2=8(7+x)\\\\\text{solve for y:}\\\\2(y-2)^2=(8)(7)+(8)(x)\\\\2(y-2)^2=56+8x\qquad\text{divide both sides by 2}\\\\(y-2)^2=28+4x\iff y-2=\pm\sqrt{28+4x}\qquad\text{add 2 to both sides}\\\\y=2\pm\sqrt{28+4x}$