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4 years ago

Write the decimal equivalent for each fraction. − 1 2 1 3 − 1 4 1 5 1 6 − 1 8 1 10

1 answer:

4 0

If you sort out the fractions better I can for sure help:)) I just need to know every fraction it’s hard to tell by what you wrote:))

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A random sample of five Galaxy 8 smartphones is selected from the production line after final assembly, and the result of the we

zepelin [54]

<h2>Answer with explanation:</h2>

Given : A random sample of five Galaxy 8 smartphones is selected from the production line after final assembly, and the result of the weight control measurement is (in grams) are :

X= 155.1, 154.8, 155.5, 155.3, and 154.6.

here, n=5

The average weight : $\overline{x}=\dfrac{\sum^{i=5}_{i=1}x_i}{n}$

$=\dfrac{155.1+154.8+155.5+155.3+154.6}{5}\\\\=\dfrac{775.3}{5}=155.06$

∴ Average weight ( $\overline{x}$ )=155.06 grams

Uncertainty = Standard deviation: $\sigma=\sqrt{\dfrac{\sum^{i=5}_{i=1}(x_i-\overline{x})^2}{n}}$

$=\sqrt{\dfrac{(0.04)^2+(-0.26)^2+(0.44)^2+(0.24)^2+(-0.46)^2}{5}}$

$=\sqrt{\dfrac{0.532}{5}}=\sqrt{0.1064}=0.326190128606\approx0.33$

i.e. Its uncertainty : $\sigma=0.33$

The fractional uncertainty = $\dfrac{\sigma}{\overline{x}}$

$=\dfrac{0.33}{155.06}=0.00212820843544\approx0.002$

7 0

4 years ago

Dream shopping... or nightmare? So, I had this dream that I could buy anything, as long as I figured out the exact amount I owed

Vladimir79 [104]

Answer:

I think it would be dream shopping if you are good at math. If you are bad it's a real nightmare. At least that's what I think

6 0

3 years ago

Determine which of these illustrates two quantities that combine to make 0.

Morgarella [4.7K]

The answer is D) Marty gets ten dollars for his allowance and then spends ten dollars at the movies
because $10-$10=0

6 0

3 years ago

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The ratio of the number of left-handed batters in a team to the number of right -handed batters was 5 : 8 there were 45 left-han

Crazy boy [7]

Answer:

72 right handed batters.

Step-by-step explanation:

45/5=9

8*9=72

45:72=5:8

Hope this helps.

6 0

3 years ago

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Plsss help i’ll give brainliest if you give a correct answer

natita [175]

Answer:

Step-by-step explanation:

40% = 0.4

150(0.4) = 60

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3 years ago

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