3 years ago

The solution x=6 is a solution to which of the following equations?

Mathematics

1 answer:

Leokris [45]3 years ago

8 0

\left[x \right] = \left[ 6\right][x]=[6] totally answer

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Fifteen times the square of a non-zero number is equal to 20 times number.What is the number? Its not 4/3

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The number is (2√3) / 3

To find the missing number, convert what it says in words to an equation:
$15 {x}^{2} = 20x$
Divide both sides by 15:
${x}^{2} = \frac{20}{15} \\ \\ {x}^{2} = \frac{4}{3}$
Take the square root:
$x = \sqrt{ \frac{4}{3} } \\ \\ x = \frac{2}{ \sqrt{3} } \\ \\ x = \frac{2 \sqrt{3} }{3}$

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3 years ago

Which of the k values are solutions to the following equation?<br> k2 = 0.49

madam [21]

C and D bc +-0.7 is the answer
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