Answer:
q= -10
Step-by-step explanation:
1. add 3 to both sides : -q=10
2. divide by -1
3. 10 / -1 = -10
q=-10
Answer: 9 boys remained in the choir.
Step-by-step explanation:
Let x be the number of of boys and y be the number of girls.
In a school choir, 1/2(half) of the members were girls.
i.e (1)
At the end of the year, 3 boys left the choir, and the ratio of boys to girls became 3:4.
Put y= x from (1), we get
Thus , the number of boys : x= 12
Boys remained in the choir = 12-3=9
One-fourth equals 90 degrees.
Answer:
4.7
Step-by-step explanation:
Im no genius or sure if its right, but I would definetly go with (12,4)