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3 years ago

What is the relationship between x and y?

Mathematics

2 answers:

ankoles [38]3 years ago

5 0

Y = 2x is the relationship since y is always double x!
eg. when x = 2, y = 4 and when x = -3, y = -6

DedPeter [7]3 years ago

3 0

Y=x is the answer alone, since it only crosses the origin

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Solve 5^3x+1 = 4^x-5 for x

tensa zangetsu [6.8K]

For the equation $5^{3x+1}=4^{x-5}$ take the $\log$ from both sides:

$\log 5^{3x+1}=\log 4^{x-5},\\ \\(3x+1)\log 5=(x-5)\log 4.$

Find x:

$3x\log 5+\log 5=x\log 4-5\log 4,\\ \\3x\log 5-x\log 4=-5\log 4-\log 5,\\ \\x(3\log 5-\log 4)=-5\log 4-\log 5,\\ \\x=\dfrac{-5\log 4-\log 5}{3\log 5-\log 4}=\dfrac{5\log 4+\log 5}{\log 4-3\log 5}.$

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3 years ago

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Step-by-step explanation:

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3 years ago

5×10 to the ninth power

nikklg [1K]

Answer:

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Answer looking for the part of the proof that is wrong
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