y is part of a right angle on line AB
a right angle = 90 degrees
90-47 = 43 degrees
y = 43 degrees
a straight line = 180 degrees
180-47 = 133 degrees
x = 133 degrees
Answer:
The step 3 is incorrect in the conversion, is not necessary
Step-by-step explanation:
we have
The speed is 
we know that
1 mm=0.1 cm
1 min=1/60 h
so

step 1
Multiply 76 by 0.1

The step 1 is correct
step 2
Multiply the result obtained in step 1 by 60.

The step 2 is correct
step 3
Multiply the result obtained in step 2 by 60
<u><em>This step is not correct</em></u>
therefore
The step 3 is incorrect in the conversion, is not necessary
The answer is 18
Step-by-step explanation:
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