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3 years ago

Determine specifications for the fill volume that are symmetric about the mean and include the middle 99% of all cans?

Mathematics

1 answer:

Naya [18.7K]3 years ago

5 0

The fill limits would be ±2.576 standard deviations from the mean.

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A student has a class with four tests, each worth 100 points, and has earned these

Wewaii [24]

Answer:

average = 52, 100 on fourth test

Step-by-step explanation:

average = 75 + 74 + 71 = 156 / 3 = 52

average = 52

b grade = 75 + 74 + 71 + 100 = 320 / 4 = 80

to get a b grade she must get 100 on her fourth test

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3 years ago

Can someone answer this really fast?

Vikki [24]

Answer:

Use your brain

Step-by-step explanation:

Because

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3 years ago

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Ronnie swims 4 laps each day at the pool.how many laps does he swim in 28 days?

pishuonlain [190]

Answer:

the answer is 92.

Step-by-step explanation:

do 28 times 4, 28 for the days and 4 for the total laps each day.

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3 years ago

Write three different fractions that match the shaded part of the drawing.

elena-14-01-66 [18.8K]

8/12 4/8 4/12 is the answer for the shaded part

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4 years ago

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2 If A= 4 3 find A1 using elementary row operations.

MA_775_DIABLO [31]

Answer: $A^{-1}=\left[\begin{array}{cc}\frac{3}{2}&-\frac{1}{2}\\-2&1\end{array}\right]$

Step-by-step explanation:

$\left[\begin{array}{cc}2&1\\4&3\end{array}\right]=\left[\begin{array}{cc}1&0\\0&1\end{array}\right]$

$\dfrac{1}{2}Row\ 1\rightarrow\left[\begin{array}{cc}1&\frac{1}{2}\\4&3\end{array}\right]=\left[\begin{array}{cc}\frac{1}{2}&0\\0&1\end{array}\right]$

$Row\ 2 -4 \ Row\ 1\rightarrow \left[\begin{array}{cc}1&\frac{1}{2}\\0&1\end{array}\right]=\left[\begin{array}{cc}\frac{1}{2}&0\\-2&1\end{array}\right]$

$Row\ 1-\dfrac{1}{2}\ Row\ 2 \rightarrow \left[\begin{array}{cc}1&0\\0&1\end{array}\right]=\left[\begin{array}{cc}\frac{3}{2}&-\frac{1}{2}\\-2&1\end{array}\right]$

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4 years ago