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blagie [28]
3 years ago
15

a certain drug is made from only two ingredients compound a and compound be there are 5 ml of compound a used for every form a c

ompound be if a chemist wants to make 549 ml of the drug how many milliliters of compound a​
Mathematics
1 answer:
kaheart [24]3 years ago
6 0

Answer:

109.8

Step-by-step explanation:

549/5 =109.8

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12x - 5 = 8x - x + 50<br> Help please show work and check the solution
Inga [223]

Answer:

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Step-by-step explanation:

12x - 5 = 8x - x + 50 \\ 12x - 5 = 7x + 50 \\ 12x - 5 - 7x = 7x + 50 - 7x \\ 12x - 7x - 5 = 50  \\ 5x - 5 = 50 \\ 5x - 5 + 5 = 50 + 5 \\ 5x = 55 \\ x = 11

and check:

12(11) - 5 = 8(11) - (11) + 50 \\ 132 - 5 = 77 + 50 \\ 127 = 127

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