using pythagorean theorem
a^2 + b^2 = c^2
(12x)^2 + (16x)^2 = 10^2
square each term
144x^2 + 256x^2 = 100
combine like terms
400 x^2 = 100
divide by 400 on each side
x^2 = 1/4
take the square root on each side
x = 1/2
Answer: x=1/2
Answers to 1, 2, and 3 are in the picture
The answer is,

Also equivalent to about, 0.185188.
Answer:0.18665
2.0.00602
3.
1.0000
Step-by-step explanation:
Answer:
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