chloeethoma24
09.12.2021 •
Mathematics
Are the ratios 12:6 and 2:1 equivalent?
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Ответ:
Yes!
Step-by-step explanation:
Here, ratios can be rewritten by fractions.
12:6 is
which equals to 2,
2:1 is also
which is 2.
To get 12 from 2, you multiply by 6.
Multiply the same thing to the denominator(1), and you get 6. So:
12:6 = 2:1
Ответ:
7a - 5b = 28
7(4) - 5(0) = 28
28 - 0 = 28
28 = 28
The correct answer is D. (4,0)