Answer:
-2 , 4
Step-by-step explanation:
(x - 1)² – 9=0
(add nine to both sides)
(x - 1)² = 9
(square root both sides)
x - 1 = (positive or negative) 3
(add 1)
x = 4 or -2
The next one would be 100
Answer:
9 to 44 is the ratio of the number of phone calls that we're from Plano to the total number of phone calls that day
Step-by-step explanation:
Given:
The total number of phone calls that was answered by secretary in a day = 88
The number of calls that were from Plano Texas = 18
To Find :
The of the number of phone calls that we're from Plano to the total number of phone calls that day
Solution:
The ratio of phone calls that we're from Plano to the total number of phone calls that day =
Now lets substitute the given value,
The ratio of phone calls that we're from Plano to the total number of phone calls that day =
Now reducing the fraction
=>
So the ratio is 9:44
When you have four dollars in your bank account but then you use four dollars. You have zero dollars left