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3 years ago

.....................................

Mathematics

1 answer:

guapka [62]3 years ago

7 0

<h3>Answer:</h3>

domain = { 0, m, 8, 6 }

range = { q, 6 , 8, m }

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What is 6/100 + 2/10

Andreyy89

Answer:

$\frac{26}{100}$

Step-by-step explanation:

$\frac{6}{100}$ can stay untouched, but $\frac{2}{10}$ has to be changed to $\frac{20}{100}$ . Now that they have they have the same denominator, you can add them. $\frac{6}{100} + \frac{20}{100} = \frac{26}{100}$ , which can be simplified, which is $\frac{13}{50}$ .

3 0

3 years ago

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How would I answer this

Mekhanik [1.2K]

Answer:

can u turn ur picture around it is upside down?

Step-by-step explanation:

after that i can help!

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3 years ago

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A supervisor records the repair cost for 22 randomly selected VCRs. A sample mean of $75.50 and standard deviation of $18.07 are

Virty [35]

Answer:

<em> The 99% confidence interval for the mean repair cost for the VCRs</em>

(65.801, 85.199)

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Mean of the sample(x⁻) = $75.50

Given the standard deviation of the sample (S) = $18.07

Given the size of the sample 'n' = 22

Degrees of freedom = n-1 =22-1 =21

critical value t₍₀.₀₁, ₂₁₎ = 2.5176

<em> The 99% confidence interval for the mean repair cost for the VCRs</em>

$(x^{-} - t_{0.01} \frac{S.D}{\sqrt{n} } , x^{-} +t_{0.01} \frac{S.D}{\sqrt{n} })$

$(75.50 - 2.5176 \frac{18.07}{\sqrt{22} } , 75.50 +2.5176 \frac{18.07}{\sqrt{22} })$

( 75.50 - 9.699 , 75.50 + 9.699 )

(65.801, 85.199)

<u><em>Final answer:-</em></u>

<em> The 99% confidence interval for the mean repair cost for the VCRs</em>

(65.801, 85.199)

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3 years ago

miguels physical eduction class lasts for 3/4 of an hour. today they spent 3/4 of that time playing dodge ball. what fraction of

aleksklad [387]

The answer is 9/16

there are two ways you can get this
take 3/4 times 3/4 to get 9/16
or
3/4 of an hour = 45 min and 3/4 of 45 min = 33.75 min and 33.75/60(minutes in an hour) = 9/16

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4 years ago

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Magan decides to research the relationship between the length in inches and the

GrogVix [38]

Based on the line of best fit, the length of this catfish can be predicted to be 38 inches.

<u>Given the following data:</u>

Weight of catfish, x = 40 pounds.

A line of best fit is also referred to as a trend line and it can be defined as a statistical (analytical) tool that is used in conjunction with a scatter plot, in order to determine whether or not there's any correlation between a data.

From the graph of the data, we have the following linear equation:

$y=\frac{1}{2} x+18$

Substituting the value of x, we have:

$y=(\frac{1}{2} \times 40 )+18\\\\y=20+18$

y = 38 inches.

Read more on scatterplot here: brainly.com/question/6592115

3 0

2 years ago