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kotykmax [81]
3 years ago
11

Please help will mark brainly

Mathematics
2 answers:
spin [16.1K]3 years ago
8 0

80/3 = 26 2/3

ANSWER IS (A)

blagie [28]3 years ago
3 0

Answer:26 2/3

Step-by-step explanation:

6 2/3 x 4

(3 x 6 +2)/3 x 4

20/3 x 4

(20 x 4)/3

80/3=26 2/3

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.416 rounded to the nearest thousands.
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What is this solution 20x+30y=1000 when 20 is y intercept and 30 is x intercept
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Find f(x) and g(x) so that the function can be described as y = f(g(x)). <br><br> y = 7/sqrt 8x +10
Blizzard [7]
Assuming you meant

y =  \frac{7}{ \sqrt{8x+10} }

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8 0
3 years ago
There were 324 adults surveyed. Among the participants, the mean number of hours of sleep each night was 7. 5 and the standard d
NeTakaya

The margin of error for 324 adults surveyed with 1.6 standard deviations is 0.1742.

<h3>What is the margin of error?</h3>

The margin of error can be defined as the amount of random sampling error in the results of a survey. It is given by the formula,

\text{MOE}_{\gamma}=z_{\gamma} \times \sqrt{\frac{\sigma^{2}}{n}}

\text{MOE} = margin of error

\gamma = confidence level

z_{\gamma} = quantile

σ = standard deviation

n = sample size

As it is given that the sample size of the survey is 324, while the standard deviation of the survey is 1.6.

We know that the value of the z for 95% confidence interval is 1.96. Therefore, using the formula of the standard of error we can write it as,

\text{MOE}_{\gamma}=z_{\gamma} \times \sqrt{\dfrac{\sigma^{2}}{n}}\\\\\text{MOE}_{\gamma}=1.96 \times \sqrt{\dfrac{1.6^{2}}{324}}\\\\\text{MOE}_{\gamma}=0.1742

Hence, the margin of error for 324 adults surveyed with 1.6 standard deviations is 0.1742.

Learn more about Margin of Error:

brainly.com/question/6979326

5 0
2 years ago
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