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Zara Walters
Mathematics
8 June, 11:36
If y = 12 when x = - 15 find y when x = 2
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Abril Donovan
8 June, 11:50
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To find y, when x = 2
we set up another ratio y/2
By the definition both ratios are equal 12/-15 = y/2
Multiple to each side by 2.
12*2/-15 = 2y/2
8/-5 = y
y = - 8/5
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Sonia
8 June, 12:06
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With the information given
on a scale of (12/-15) or - 0.8. Meaning y is - 8 tenths of x
so - 0.8x2 = - 1.6
Answer: y = - 1.6
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