3 years ago

Write an expression equivalent to 6 - 2x +5+ 4x that only has two terms

Mathematics

1 answer:

Leya [2.2K]3 years ago

8 0

Answer:23

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Which is a solution to the equation?<br> (x-2)(x + 5) = 18

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Solve the following logarithmic equations.<br> ln(32x^2) − 3 ln(2) = 3

Kazeer [188]

Answer:

$x=\pm \frac{\sqrt{e^{3} } }{2}$

Step-by-step explanation:

Rewrite the equation using the next propierties:

$log(\frac{1}{x} )=-log(x)$

$ylog(x)=log(x^{y} )$

$log(x*y)=log(x)+log(y)$

$ln(32x^{2} )-ln(2^{3})=3\\ ln(32x^{2} )+ln(\frac{1}{2^{3} } )=3\\ln(\frac{32x^{2} }{8})=3\\ ln(4x^{2} )=3$

Cancel logarithms by taking exp of both sides:

$e^{ln(4x^{2}) } =e^{3} \\4x^{2} =e^{3}$

Divide both sides by 4:

$x^{2} =\frac{e^{3} }{4}$

Take the square root of both sides:

$x=\pm \sqrt{\frac{e^{3} }{4} } =\pm \frac{\sqrt{e^{3} } }{2}$

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3 years ago

A cone has a volume of 314 cubic millimeters and a height of 12 millimeters. What is its

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Answer:

The answer is 14

Step-by-step explanation:

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