Answer:
2.7
Step-by-step explanation:
the three is lower than 5 so 2.7 is the answer
Answer:
Step-by-step explanation:
<em>side note i love ur pfp</em>
ok so basically u want to plug in ur value of x into the expression right away and combine everything in the parentheses so it's one fraction which is -
((1 -√2-1)/(1 -√2))⁴ = (-√2/(1 -√2))⁴ and then u get 4/(1 -√2)⁴ as ur final answer
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
180-127 = 53
so the answer would be D. 53