Triangle OMG has vertices at O(−3,3), M(4,2), and G(−3,1). Point G is rotated 90° counterclockwise around the origin, forming G'
1 answer:
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Answer:
The cost per kilometer was $2.25
Step-by-step explanation:
<u><em>The correct question is</em></u>
Emanuel was charged $32 for a 14 2/9 km
What was the cost per kilometer?
To find out the cost per kilometer (unit rate) divide the total cost by the total kilometers
<em>Convert mixed number to an improper fraction</em>
<em>Find the unit rate</em>
therefore
The cost per kilometer was $2.25
Answer:
<em>A) The reference angle should be </em><u><em>,</em></u><em> and the sign of the value should be </em><u><em>negative.</em></u>
Step-by-step explanation:
cos()
Remove full rotations of 2π until the angle is between 0 and 2.
cos()
Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because cosine is negative in the third quadrant.
-cos()
The exact value of cos() is
.
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