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kipiarov [429]
3 years ago
10

Does anyone know how to do this or could explain how they got their answer?

Mathematics
2 answers:
MissTica3 years ago
7 0

Answer:

using trigonometric ratio sin, which is

sin\alpha=opp/hyp to mean opposite/ hypotenuse

sin 40°= x/9

multiply both sides of this by 9 to remove the 9 in the side we have x, we will have

sin 40°/9=x

sin° 40 =0.7451

so x= 0.7451/9

which is

x= 0.0827888888

to give it in 3 decimal places, the answer will be 0.083 since 7 is the fourth number and is more than five, we add 1 to the 2 making it 3

Hope this helps, and please mark brainiest

Step-by-step explanation:

Daniel [21]3 years ago
5 0

Answer:

c

Step-by-step explanation:

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Step-by-step explanation:

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