Answer: y= 7 & y=5
Step-by-step explanation:
y^2-12 get half of -12 which is -6 then sq it -6 X -6 = 36 add to both sides
y^2 -12+36= -35+36
(y-6)^2= 1
Sq rt both sides
y-6=1
Add 6 to both sides
Y= 7
Y-6=-1
Add 6
Y=5
Answer:
The equation is : r + 2 = 7
Step-by-step explanation:
1+1+1+1+1+1+1 = r + 1 +1
7 = r + 2
R = 7-2
R = 5
Answer:
1.172 dollars per pound
Step-by-step explanation:
Given : A pet supply store sells a 20-pound bag of dog food $23.44.
To Find :Find the unit price.
Solution :
Cost of 20-pound bag of food = $23.44
So, Cost of 1-pound bag of food = 
= 
For unit price we should divide the cost by no. of pounds
So, the error is you have divided the no. of pounds by cost
Hence the unit price is 1.172 dollars per pound