3 years ago

What is equivalen to this 8=^8/3

1 answer:

8 0

Answer:

Equivalent Fractions for 8/3: There are infinity equivalent fractions to 83. See some examples: 83, 166, 249, 3212, 4015, 4818, 5621, 6424, 7227, 8030, 8833, 9636, 10439, 11242, 12045, 12848, 13651, 14454, 15257, 16060...

Step-by-step explanation:

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Find the estimates of x^2-x-2=3

Julli [10]

Answer:

$x=\frac{1+\sqrt{21}}{2}\approx 2.79\\or\ x=\frac{1-\sqrt{21}}{2}\approx -1.79$

Step-by-step explanation:

Given

Quadratic equation is

$x^2-x-2=3\\x^2-x-5=0$

Roots of the quadratic equation $ax^2+bx+c=0$ are

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\$

So, for the given equation roots are

$x=\frac{1\pm\sqrt{(-1)^2-4(1)(-5)}}{2\cdot 1}\\x=\frac{1\pm\sqrt{21}}{2}\\so, x=\frac{1+\sqrt{21}}{2}\approx 2.79\\or\ x=\frac{1-\sqrt{21}}{2}\approx -1.79$