Answer:
=-a +9c
=-6+9×-6
=-6+(-54)
=-6-54
=-60
hope it helps you!!!
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Ax + ab = cx
ax - cx = -1b
x(a - c) = -ab
x = -ab / (a -c ) is the answer
W=a+b+c+d+e would be your answer to the questions
It means find the angle whose tangent equals - sqrt (3)
the negative square root of 3 =
(-<span>
<span>
<span>
1.7320508076)
</span>
Looking up the arc tan </span></span><span>(-1.7320508076</span> ) on this page:
http://www.1728.org/trigcalc.htm
we find it equals -60 degrees
Answer: C. (-1, 2)
<u>Step-by-step-explanation:</u>
The center is the midpoint of the endpoints
→ ,
→ ,
→ ,
→ (-1 , 2)
The midpoint is (-1, 2)