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3 years ago

2 log x + log 11 WILL MARK BRAINLIEST

Mathematics

1 answer:

tester [92]3 years ago

3 0

Answer:

$log(11 {x}^{2} )$

Step-by-step explanation:

$2logx + log11 \\ \\ = log {x}^{2} + log11 \\ \\ = log( {x}^{2} \times 11) \\ \\ = log(11 {x}^{2} )$

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Use completing the square to determine which of the following gives the solutions to 3x2 - 24x + 40 = 28.

jeka94

Answer:

$x=4+2\sqrt{3}$

$x=4-2\sqrt{3}$

Step-by-step explanation:

<u>Completing the square</u>

when $ax^2+bx+c=0$

Given equation:

$3x^2-24x+40=28$

Subtract 40 from both sides:

$\implies 3x^2-24x=-12$

Divide both sides by 3:

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Add the square of half the coefficient of $x$ to both sides:

$(\frac{b}{2})^2=(\frac{-8}{2})^2=16$

$\implies x^2-8x+16=-4+16$

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Square root both sides:

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$\implies x=4\pm\sqrt{4}\sqrt{3}$

$\implies x=4\pm2\sqrt{3}$

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1 year ago

There is an arcade in the amusement park. A computer game there uses functions to simulate the paths of an archer’s arrows. The

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C.if the user can only enter functions of the form f(x+k), what are all the values of k that would result in the arrow clearing the castle wall

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3 years ago

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Ostrovityanka [42]

Answer:

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Step-by-step explanation:

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Answer:

Step-by-step explanation:

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=3x/7=18

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x=42

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