Step-by-step explanation:
8.D
9.D
10.B
11. 120
12.C
13.D
14a.95
14b.180
15.5
Answer:
16.7033
<em>= 16.70329308849</em>
<em> = 16.7033</em>
<em />
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Answer:
64,26
Step-by-step explanation:
The sum of the angles of a triangle add to 180 degrees
The box means its is a 90 degree angle
90 + 2x+ x-6 = 180
Combine like terms
84+3x = 180
Subtract 84 from each side
84+3x-84 = 180-84
3x=96
Divide by 3
3x/3 = 96/3
x = 32
The top angle is
2x = 2*32 = 64
The bottom right angle is x-6
32-6 = 26
Fixing two of the bits leaves four remaining positions, each with two possibilities (0 or 1), so there are
![2^4=16](https://tex.z-dn.net/?f=2%5E4%3D16)
possible strings.