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2 years ago

Evaluate.

Mathematics

1 answer:

lys-0071 [83]2 years ago

8 0

Answer:

361/900

Step-by-step explanation:

$\left(-\dfrac{1}{6}+0.6\left(-\dfrac{1}{3}\right)+1\right)^2=\left(-\dfrac{1}{6}-0.2+1\right)^2\\\\=\left(1-\left(\dfrac{1}{6}+\dfrac{1}{5}\right)\right)^2=\left(1-\dfrac{5+6}{6\cdot5}\right)^2=\left(\dfrac{19}{30}\right)^2=\boxed{\dfrac{361}{900}}$

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Tìm x : 2x^2-7x+3=0<br> giúp tui zới, please

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<h3>Answer:</h3>

$x = 3$ and $x = \frac{1}{2}\\$

<h3>Step-by-step Explanation: </h3>

Recall:

if we have a quadratic equation, $ax^2 +bx +c = 0$ , where $a$ , $b$ and $c$ are real numbers and $a \neq 0$ , $x = \frac{-b \pm \sqrt{b^2 -4ac}}{2a}$ .

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$x = \frac{7 +5}{4} \\ x = \frac{12}{4} \\ x = 3$

Solving with the negative value:

$x = \frac{7 -5}{4} \\ x = \frac{2}{4} \\ x = \frac{1}{2}$

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3 years ago

Point M is on line segment overline LN . Given MN = 3x , LN = 4x + 9 , and LM = 2x + 7 determine the numerical length of LM .

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Step-by-step explanation:

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3 years ago

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