There would be 60 questions on the test.
90%=54
1%= 54/90 = 6/10
100%= 6×100/10 =6×10=60
Answer:
Her sign is in error. The answer is -3/8.
Step-by-step explanation:
Nancy's answer has the correct magnitude. It is obtained by multiplying 1/4 by -3/2. However, the sign of that product will be negative. Nancy has reported a positive answer, so <em>it is incorrect</em>.
Answer:
It doesn't
Step-by-step explanation: cos230 - sin230= .123
cos60=.5
953 is rounded to 950 because 3 is less than 5