Answer:
<em>-90 degrees</em>
Step-by-step explanation:
Draw a segment from the origin, point O, to point R. Draw a segment from the origin, point O, to point R'. The angle of rotation is the angle between segments OR and OR'.
The slope of segment OR is 2/3.
The slope of segment OR' is -3/2.
The slopes are negative reciprocals, so the segments are perpendicular.
The angle between the segments is 90 degrees. The rotation is counterclockwise, so it is a negative number of degrees.
The angle of rotation is -90 degrees.
Answer:
over time, one natural area is replaced by another.
Step-by-step explanation:
these are not seasonal changes, and time is clearly passing in the images, and fish are not relevant to the question.
Look at it as a fraction: 84 / 120
In a calculator work out the decimal = 0.7
and then multiply by by 100 to get the percentage: 70%
Answer:
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Answer:
5d-t
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