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How do I solve this?
asked
Jan 8, 2017
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How do I solve this?
Mathematics
high-school
HNygard
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HNygard
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1
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y = abˣ
20 = ab¹
20 = ab
b b
20/b = a
y = abˣ
4 = (20/b)b²
4 = 20b
20 20
¹/₅ = b
y = abˣ
20 = ¹/₅b¹
20 = ¹/₅b
¹/₅ ¹/₅
100 = b
y = abˣ
y = 100(0.2)ˣ
Jacka
answered
Jan 12, 2017
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Jacka
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