Quiz
1 answer:
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Answer:
b = 7
Step-by-step explanation:
108 = -2(-5 - 7b)
Distribute -2 to the terms inside the parenthesis:
108 = 10 + 14b
Subtract 10 from both sides of the equation to isolate 14b:
108 - 10 = 10 + 14b - 10
98 = 14b
Divide 14 on both sides of the equation to solve for b:
7 = b
Hope this helped you
For 45, 45, 90 angled triangles, the two legs are equal to 'x', and the hypotenuse is equal to 
. Since we know the length of the hypotenuse, we can set this equal to it:
Divide the square root of 2 to both sides:
So the length of both AC and BC is approximately 5.657.
Divide the square root of 2 to both sides:
So the length of both AC and BC is approximately 5.657.