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denis-greek [22]
3 years ago
9

Which pictures below show pure substances?

Mathematics
1 answer:
Alla [95]3 years ago
4 0
The answers are A,B, and C
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How do you solve the equation k/90-1/9=1/90
Mariulka [41]

Answer:

k = 11

Step-by-step explanation:

k/90 - 1/9 = 1/90

k/90 = 1/90 + 1/9

k/90 = 1 + 10/90

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k = 11/90 / 90

k = 11/90 * 90

k = 11

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to find out which has a higher rate of success we can find out their percentage of success

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