Answer:B
Step-by-step explanation:
y=13xy=\dfrac{1}{3}xy=31xy, equals, start fraction, 1, divided by, 3, end fraction, x
Answer:

Step-by-step explanation:
Using the Pythagorean identity
sin²x + cos²x = 1, then
sinx = 
Note that (
)² = 
sinΘ = 
=
= 
22/28 converted to a percentage is 78.6%. (rounded to the nearest tenth)
78.6% of the class passed the test.
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Answer:
18
Step-by-step explanation:
brainliest plz