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pochemuha
3 years ago
14

(please help asap!)

Mathematics
1 answer:
yuradex [85]3 years ago
8 0
Triangle FED = Triangle WXY
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It takes 48 hours if 12 people built the same wall.

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3 years ago
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valentinak56 [21]
4x-4>20

Step 1: Add four to both sides
4x-4+4>20+4
4x>24
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Kahal accidentally subtracted instead of adding. He made a mistake in step 2.
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B+10+15<br> What’s the answer
avanturin [10]

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25b?

Step-by-step explanation:

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3 years ago
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The elevation of Mt. Everest is 29,032 ft above sea level.
Nina [5.8K]
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4 0
3 years ago
Cereal. A dietician obtains the amounts of sugar (incentigrams) from 100 centigrams (or 1 gram) in each of 10 differentcereals,
nadezda [96]

Answer:

Range is 44

mean is 29.7

variance is 289.56

standard deviation is 17.016

Step-by-step explanation:

The data given as follows

3, 24, 30, 47, 43, 7, 47,13, 44, 39

Range = maximum - minimum

             = 47 -3 = 44

mean = \frac{3+24+30+47+43+7+47+13+44+39}{10} = 297/10 = 29.7

variance = \frac{sum xi^2 }{N} - mean^2 }

              = 289.56

SD = \sqrt{variance}  = 17.016

The standard deviation of the given data is not a good measure as the range and standard deviation are far apart. The standard deviation gives how the given data is dispersed from the mean or expected value, while the range gives a rough idea of variability of the data.

3 0
3 years ago
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