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2 years ago

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ΔABC is an isosceles triangle with AB = BC = 6 units, D and E are the midpoints of AB and BC respectively.The length of AC is 8

units. The length DE is__units.

1 answer:

shutvik [7]2 years ago

4 0

4 units. DE=1/2 AC.....

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Sergeeva-Olga [200]

Answer: 6 pieces

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Explanation:

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Note how 6*(1/8) = 6/8

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bulgar [2K]

Answer:

$\frac{4x+2}{x^2 - 9x + 8} = \frac{4x}{(x-8)(x-1)} + \frac{2}{(x-8)(x-1)}$

Step-by-step explanation:

Given

$\frac{4x+2}{x^{2}-9+8 } = \frac{A}{()(x-1)} + \frac{B}{()(x-8)}$

Required

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Going by the given parameters, we have that

$\frac{4x+2}{x^{2}-9+8 } = \frac{A}{()(x-1)} + \frac{B}{()(x-8)}$

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$\frac{4x+2}{(x-1)(x-8)} = \frac{A + B}{(x-8)(x-1)}$

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$4x + 2 = A + B$

By direct comparison

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Hence, the complete expression is

$\frac{4x+2}{x^2 - 9x + 8} = \frac{4x}{(x-8)(x-1)} + \frac{2}{(x-8)(x-1)}$

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