<span> The coordinates of point P on a coordinate grid are (−5, −6). Point P is reflected across the y-axis to obtain point Q and across the x-axis to obtain point R. What are the coordinates of points Q and R? Q(5, 6) and R(−5, −6) Q(−5, −6) and R(5, 6) Q(−5, 6) and R(5, −6) Q(5, −6) and R(−5, 6). </span><span>
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Answer:
I think it's 0.648
Step-by-step explanation:
10% of 4% of 162 = 0.648
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Answer:
Approximately 
radians, which is approximately 
.
Step-by-step explanation:
Dot product between the two vectors:
.
Magnitude of the two vectors:
.
.
Let 
denote the angle between these two vectors. By the property of dot products:
.
Apply the inverse cosine function 
to find the value of this angle:
.
