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Lelu [443]
3 years ago
5

Assuming the samples were random and unbiased, how much confidence can you have in this data?

Mathematics
1 answer:
Lisa [10]3 years ago
4 0

Answer:

not much confidence

Step-by-step explanation:

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A block of wood has a mass of 120g and a volume of 200cm3. What is the density of the wood?
ozzi
Density=mass/volume
given mass=120g and volume=200cm3
density=\frac{120g}{200cm^3}=\frac{3}{5} \space\ \frac{g}{cm^3} or abot 0.6


the density is 0.6 \space\ \frac{g}{cm^3}
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3 years ago
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256,000-2.56*100,000
Since there are 6 digits in 256,000, it is 2.56*100,000 becuase 100,000 also has 6 digits.
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Since there are 5 zeroes in 100,000, it is 10^5.
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It should be

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<h2><u><em>B.</em></u></h2><h2>23    1/4</h2>
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3 years ago
I need help plz help
Sunny_sXe [5.5K]

answer is C. 252 ft^2

split the figure into two pieces and first figure out the rectangle (shown in turquoise).

If you multiply the width and length (18*6) you should get 108.

Then figure out the trapezoid (in magenta). the formula is (a+b)/2*h where a and b are the bases and h is the height. the bases are given, 6 and 18. to find the height, subtract the entire figure's height by 6, which is 18-6 and gives us 12. so the formula converted to this problem is (6+18)/2*12. simplify parenthesis and get 24/2*12. 24/2=12, so multiply 12*12. The area of the trapezoid is 144. Add the areas of both figures together and get 252.

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Which table represents a linear function?
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The last table is linear (1/2, 1, 1.5, 2)

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