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3 years ago

6

Charles needs to mix 6 tablespoons of water with 5 tablespoons of vinegar to make a cleaning solution. How many tablespoons of w

ater are needed for each tablespoon of vinegar?
5 over 6 tablespoon
6 over 11 tablespoon
5 over 11 tablespoon
6 over 5 tablespoons

2 answers:

Dmitry_Shevchenko [17]3 years ago

5 0

6 over 5 tablespoons...

kotykmax [81]3 years ago

3 0

Answer:

6 OVER 5 6:5 6/5

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The amount of gas that a helicopter uses is directly proportional to the number of hours

AleksandrR [38]

Answer:

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Step-by-step explanation:

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2 years ago

What is the area of this quadrilateral

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Answer:

C

Step-by-step explanation:

First, let's work out the two triangles:

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2 years ago

the performance score of 10 adults is recorded, and the results are 83 87 90 92 93 100 104 111 115 121 find the standard deviati

luda_lava [24]

Answer:

The standard deviation of the data set is $\sigma = 12.7906$ .

Step-by-step explanation:

The Standard Deviation is a measure of how spread out numbers are. Its symbol is σ (the greek letter sigma)

To find the standard deviation of the following data set

$\begin{array}{cccccccc}83&87&90&92&93&100&104&111\\115&121&&&&&&\end{array}$

we use the following formula

$\sigma = \sqrt{ \frac{ \sum{\left(x_i - \overline{X}\right)^2 }}{n-1} }$

Step 1: Find the mean $\left( \overline{X} \right)$ .

The mean of a data set is the sum of the terms divided by the total number of terms. Using math notation we have:

$Mean = \frac{Sum ~ of ~ terms}{Number ~ of ~ terms}$

$Mean = \frac{Sum ~ of ~ terms}{Number ~ of ~ terms}=\frac{83+87+90+92+93+100+104+111+115+121}{10} \\\\Mean = \frac{996}{10} =\frac{498}{5}=99.6$

Step 2: Create the below table.

Step 3: Find the sum of numbers in the last column to get.

$\sum{\left(x_i - \overline{X}\right)^2} = 1472.4$

Step 4: Calculate σ using the above formula.

$\sigma = \sqrt{ \frac{ \sum{\left(x_i - \overline{X}\right)^2 }}{n-1} } = \sqrt{ \frac{ 1472.4 }{ 10 - 1} } \approx 12.7906$

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3 years ago

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Lunna [17]

Answer:

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Step-by-step explanation:

$(-6p^{3} )(3p^2+5p-1)$

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<em>hope this helps.....</em>

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