3 years ago

AD=7, BD=3, DE=6. Find BC

Mathematics

1 answer:

jekas [21]3 years ago

6 0

Answer:

the answer to this is 10 i think sorry if it is wrong

Step-by-step explanation:

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Answer:

$420.

Step-by-step explanation:

What is 30% off 1400 Dollars. The easiest way of calculating discount is, in this case, to multiply the normal price $1400 by 30 then divide it by one hundred. So, the discount is equal to $420.

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3 years ago

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viva [34]

There are fewer people on the bus.
The start of it had at least 5
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I need to subtract it with renaming it too.

Vladimir79 [104]

$8 \frac{1}{6} -3 \frac{5}{6} = 7 \frac{7}{6} -3 \frac{5}{6}$
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3 years ago

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What’s 1+1? Is it 929? Uwu

Allisa [31]

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3 years ago

Quality control is an important issue at ACME Company which manufacturers light bulbs. In order to conduct testing of the life h

mrs_skeptik [129]

Answer: 3424.28

Step-by-step explanation:

Given data : 378, 361, 350, 375, 200, 391, 375, 368, 321

Number of data values = 9

Mean : $\overline{x}=\dfrac{\sum^n_{i=1} x_i}{n}$

$\\\\=\dfrac{378+361+350+375+200+391+375+368+321}{9}\\\\=\dfrac{3119}{9}\approx346.56$

Variance = $\dfrac{\sum^n_{i=1} (x_i-\overline{x})^2}{n-1}$

$\sum^n_{i=1} (x_i-\overline{x})^2 = (31.44)^2+(14.44)^2+(3.44)^2+(28.44)^2+(-146.56)^2+(44.44)^2+(28.44)^2+(21.44)^2+(-25.56)^2\\\\=27394.2224$

Variance = $\dfrac{27394.2224}{8}=3424.2775\approx3424.28$

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3 years ago