Answer:
x = 12
Step-by-step explanation:
Assuming you reqire the value of x that makes
4 : x equivalent to 5 : 15
Divide 5 by 4, that is 5 ÷ 4 = 1.25
Thus 1.25x = 15 ( divide both sides by 1.25 )
x = 12
Hence
4 : 12 = 5 : 15
Answer: C is no and the others are yes.
Step-by-step explanation:
This is an independent event because picking on book at random has nothing to do with picking the next book at random. The probability is 1/7
Answer:
10x - 13.
Step-by-step explanation:
−3(6x+ 7) + 4(7x + 2)
= -18x - 21 + 28x + 8
= 10x - 13.