Simplify the expression. -3x - 6 - 4x + 8 Like terms
1 answer:
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Answer: Option 4
Step-by-step explanation:
Similar triangles have congruent angles, so this means that the sines, cosines, and tangents should be the same.
Thus, the side lengths of the triangle we want to find should be multiples of .
- This eliminates options (1) and (3).
Between options 2 and 4, we know that the Pythagorean theorem is not satisfied by option (2), thus we should eliminate it.
This leaves us with option (4)
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Subtract the 7 from 8, which would then get you...
Area of a sector (s) = radius (r) · θ (in radians)
First, convert 168° into radians using the proportion π = 180°
Next, plug in x for θ
s = r · θ
= 8 ·
=
= 23.457
≈ 24.0
Answer: C
First, convert 168° into radians using the proportion π = 180°
Next, plug in x for θ
s = r · θ
= 8 ·
=
= 23.457
≈ 24.0
Answer: C