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madreJ [45]
2 years ago
5

Assume that y varies directly with x. If x=5 when y=-8 find x when y=16

Mathematics
2 answers:
Evgesh-ka [11]2 years ago
8 0
Is it -10? Because -8 to 16 is multiplying by -2, so 5 x -2 = -10. I'm not sure though because I don't know exactly what 'varies directly' means.
Dovator [93]2 years ago
3 0
The answer would be ×=-10. Because 2y would be equal to 2x. 2x= (-5*2)
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Let's first expand the parentheses on both sides. Remember that when expanding parentheses, the result will be the sum of the products of the "outside number" with each of the "inside number".

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