Step-by-step explanation:
multiply it
x²-3x+3x-9=0
x²-9=0
x²=9
square root both side we get
x=3
Yes. since half of 50 is 25 it is correct to say that 18 is less than half
Answer:
50
Step-by-step explanation:
she pays 10 in a flat fees and 2 dollars a minute so you multiply the 2 by 20 and add 10
Answer:
470<x<530
Step-by-step explanation:
Let x be number of acceptable words
|x-500|<300
we write absolute value inequality representing the acceptable number of words, given the fact that absolute deviation is at most 30 words
-30<x-500<30
500-30<x-500+500<30+500
470<x<530.
Answer:$54 sales tax $24
Step-by-step explanation: