Solve x – 2y = 6 3x – 6y = 18

Mathematics

1 answer:

VashaNatasha [74]3 years ago

6 0

X will equal 0 and y will equal -3

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Gave needs 60 liters of 40% acid solution he currently has 20% solution and 50% solution how many liters of each does he need to

murzikaleks [220]

<span>percent ---------------- quantity
Acid type I 60.00% ---------------- x liters
acid type II 30.00% ------ 60 - x liters
Mixture 40.00% ---------------- 60
Total 60 liters
60.00% x + 30.00% ( 60 - x ) = 40.00% * 60
60 x + 30 ( 60 - x ) = 2400 </span>

6 0

3 years ago

Write the equation of the line that passes through (-1, -3) and is parallel to the line that passes through (10, 3) and (7, -1).

REY [17]

Answer:

y=4/3 x -5/3

Step-by-step explanation:

Please see attached picture for full solution.