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Llana [10]
3 years ago
15

If y varies directly as x, and y = 12 when x = 4, what is the value of y when x = 7 ?

Mathematics
2 answers:
Tamiku [17]3 years ago
7 0

Answer:21

(7*12)/4

Step-by-step explanation:

harkovskaia [24]3 years ago
6 0

Answer:

y = 21

Step-by-step explanation:

If y varies directly as x, the fraction between they two is constant, so:

12/4 = y/7

7•12/4 = y

84/4=y

y = 21

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I NEED HELP ASAP!!
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Answer:

C. {-5,-4, -3, 1, 2, 5}

Step by step explanation:

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3 years ago
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daser333 [38]

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\frac{2A}{h} = b

Step-by-step explanation:

  • this can be done by simple manipulation .
  • in the given equation, A is the subject.
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