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3 years ago

Quadratic formula x2 + 3x - 5 = 0

Mathematics

1 answer:

FrozenT [24]3 years ago

5 0

Answer:

2x +3x- 5= 0

5x-5=0

5x=0+5

5x=5

x=5÷5

x=1

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3 years ago

Help me please thank you

Anuta_ua [19.1K]

$S\frac{O}{H}C\frac{A}{H}T\frac{O}{A}$ or $Sin\frac{Opposite}{Hypotenuse} Cos\frac{Adjacent}{Hypotenuse} Tan\frac{Opposite}{Adjacent}$

The hypotenuse is the longest side of the triangle. The opposite is the side that is across from a point/angle. The adjacent is the side next to a point/angle.

At ∅ (pretend that's theta LOL), 17 is the hypotenuse, 8 is the opposite side, and 15 is the adjacent side.

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sin ∅ = Opposite/Hypotenuse

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3 years ago