Answer:
(1, 3) is the answer! hope this helps
Answer:
The cost of 1 liter for the small can is £ 2.80, while the cost of 1 liter for the medium can is £ 2.64.
Step-by-step explanation:
Since cans of wood varnish come in three sizes, the 200 ml small can costs £ 0.56, the 500 ml medium can costs £ 1.32, and the 1 l large can costs £ 2.68, to determine the cost of 1 l for the small and medium cans the following calculation must be performed:
200 ml = 0.2 l
500 ml = 0.5 l
0.56 x 5 = 2.8
1.32 x 2 = 2.64
Thus the cost of 1 liter for the small can is £ 2.80, while the cost of 1 liter for the medium can is £ 2.64.
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Answer:
x = 6 x = -7
Step-by-step explanation:
Subtract 12 from each side:
x^2 + x - 30 - 12 = 12 - 12
Simplify:
x^2 + x - 42 = 0
Solve with quadratic formula using both +/- after the first -1:
x = 
Simplify:
x = 6
x = -7
