The correct answer is letter D
Just believe me thats the correct answer
Out of every 11 students 7 were girls. Set up the following proportion.
11/7 = 77/x Cross multiply
11x = 7*77
x = 7*77/11
x = 49
49 of the student council members were girls.
Answer: 50
Step-by-step explanation:
Answer:
if the stone makes 150 revolution per minute, the tension force of the string on the stone is
