3 years ago

What is the measure of ABD

Mathematics

1 answer:

andre [41]3 years ago

8 0

Answer:

Step-by-step explanation:

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Find the positive value of x in the geometric sequence 7x-2,4x+4,3x

Goryan [66]

Hello,

Let's assume k the ratio.

$
 \left \{ {{3x=k*(4x+4)} \atop {4x+4=k*(7x-2)}} \right. \\\\
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\dfrac{4k}{3-4k}=\dfrac{-2k-4}{4-7k}\\\\

36k^2-6k-12=0\\
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\boxed{k= \dfrac{2}{3} \ or\ k= -\dfrac{1}{2}}\\\\

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$

$\boxed{x= 8 \ or\ x= -\dfrac{2}{5}}\\\\$

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adoni [48]

the answer ur looking for is

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