Answer:
-72=-12y-20x
Step-by-step explanation:
-72=2y^2-16y-20x
square the 2 keeping the variable
-72=4y-16y-20x
Then combine like terms in this case the numbers followed by y's
-72=-12y-20x
This is the standard form as there is nothing else you can combine to break this down any further
Answer:
0.67 = x
Step-by-step explanation:
to solve the value of x we need to : (x,9)
y = 3x + 7
9 = 3x + 7
9 - 7 = 3x
2 = 3x
2/3 = x
0.67 = x
Answer:
Price of Mira Breakfast = 9 $ before tip
Step-by-step explanation:
Let say Mira's breakfast Price = B $
Tip she left = 20 %
20 % Tip amount = (20/100) B = 0.2B $
Tip Amount She left = $ 1.8
Equating Tip Amount
0.2B = 1.8
=> B = 9
Price of Mira Breakfast = 9 $ before tip
Step-by-step explanation:
Answer:
8
Step-by-step explanation:
times the 1/2 (2) by 4 because of half