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3 years ago

Could someone please me find this answer

Mathematics

1 answer:

Kipish [7]3 years ago

8 0

Answer:

9/100

Step-by-step explanation:

a percent is 9 out of 100 so it is 9/100

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The figure shows △ABC . BD is the angle bisector of ∠ABC .

Misha Larkins [42]

From angle bisector theorem, we know that:

$\dfrac{|AD|}{|DC|}=\dfrac{|BA|}{|BC|}\\\\\\\dfrac{|AD|}{|DC|}=\dfrac{8}{10}=\dfrac{4}{5}$

Moreover:

$|AD|+|DC|=6$

so:

$|DC|=6-|AD|$

and

$\dfrac{|AD|}{|DC|}=\dfrac{4}{5}\\\\\\\dfrac{|AD|}{6-|AD|}=\dfrac{4}{5}\qquad\qquad\text{cross multiplying}\\\\\\ 5\cdot|AD|=4\cdot\big(6-|AD|\big)\\\\5\cdot|AD|=24-4\cdot|AD|\\\\5\cdot|AD|+4\cdot|AD|=24\\\\9\cdot|AD|=24\qquad|:9\\\\\\|AD|=\dfrac{24}{9}=\boxed{\dfrac{8}{3}}$

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3 years ago

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TEA [102]

Answer:

$2.\:\frac{41}{9}$

Step-by-step explanation:

Recall that $\frac{x}{9}=\lfloor \frac{x}{9} \rfloor + 0.\overline{[x\:\mod9]}$ .

Therefore, $4.\bar{5}=\frac{4\cdot 9 + 5}{9}=\fbox{$2)\:\frac{41}{9}$}$ .

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3 years ago

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Aarón rides his bike away from home at a constant speed he stops at the park for a while before riding back home at a constant s

Nikolay [14]

Answer:

Step-by-step explanation: This is the answer

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A set of data has a sample mean of 65.4 and a standard deviation of 1.2. If the sample size is 45. what is the 99% confidence in

bagirrra123 [75]

67.55 is the correct answe bec I add

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2 years ago

What is a GPA? How is it calculated and determined? If a person is required to have a GPA 95 or higher, what does that mean?

tester [92]

Answer:

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Step-by-step explanation:

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3 years ago