2 years ago

Solve 10-9x^2+4x=-6x^2

Mathematics

2 answers:

Vera_Pavlovna [14]2 years ago

6 0

Answer

i found it on the internet

babymother [125]2 years ago

3 0

The answer is x = (2 +/- √34)/3

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A Ladder that is 32 ft long leans against a building. The angle of elevation of the ladder is 70 degrees. To the nearest tenth o

kolezko [41]

See the picture attached to better understand the problem

we know that
in the right triangle ABC
sin 70°=opposite side angle 70°/hypotenuse

in this problem
opposite side angle 70°=AB
hypotenuse=AC----> 32 ft
sin 70°=AB/32------> AB=32*sin 70°-----> AB=30.07 ----> AB=30.1 ft