12.60 / 7 = $ 1.80 per bottle
10.98 / 6 = $ 1.83 per bottle
18.10 / 10 = $ 1.81 per bottle
16.38 / 9 = $ 1.82 per bottle
best buy (cheapest) is : $ 12.60 for 7 bottles <==
Answer:
angle 4 and 1
Step-by-step explanation:
You know angle 2 is 60 and angle 3 is 50 due to a law which i forgot. That leaves 1 and 4. You can check by adding up all the angles
An expression equivalent is 1/3 x 10
Answer:
solution: (3, 5)
Step-by-step explanation:
Solve this system of equations
{2x + y = 11
{5x - y = 10
add the equations to use elimination method.
2x + 5x + y - y = 11 + 10;
7x = 21
x = 21/7 = 3
x = 3
y = 11 - 2x = 11 - 2*3 = 11 - 6 = 5