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Lady_Fox [76]
3 years ago
9

What is 2/3 of 7/8? What is 2/3 of 7/8?

Mathematics
2 answers:
Inessa [10]3 years ago
8 0

Answer:

0.58

Step-by-step explanation:

jasenka [17]3 years ago
5 0
The Answer Is 0.58 .
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What is an example of when you would want consistent data and, therefore, a small standard deviation?
steposvetlana [31]

Answer:

12.1, 12.3,12.4,12.5,12.3,12.1,12.2

\bar X= \frac{12.1+12.3+12.4+12.5+12.3+12.1+12.2}{7}=12.271

And for the standard deviation we can use the following formula:

s= \sqrt{\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n-1}}

And after replace we got:

s = 0.1496

And as we can ee we got a small value for the deviation <1 on this case.

Step-by-step explanation:

For example if we have the following data:

12.1, 12.3,12.4,12.5,12.3,12.1,12.2

We see that the data are similar for all the observations so we would expect a small standard deviation

If we calculate the sample mean we can use the following formula:

\bar X=\frac{\sum_{i=1}^n X_i}{n}

And replacing we got:

\bar X= \frac{12.1+12.3+12.4+12.5+12.3+12.1+12.2}{7}=12.271

And for the standard deviation we can use the following formula:

s= \sqrt{\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n-1}}

And after replace we got:

s = 0.1496

And as we can ee we got a small value for the deviation <1 on this case.

8 0
3 years ago
Work out m and c for the line:<br> y=4 - X
Sophie [7]

Answer: im a adult

\

Step-by-step explanation:

3 0
3 years ago
Caitlin has $5 and $10 bills that are worth $675. She has twice as many $10 bills as $5 bills. How many of each type of bill doe
Lerok [7]

Caitlin has 27 $5 bills and 54 $10 bills.

Step-by-step explanation:

Given,

Worth of $5 and $10 bills = $675

Let,

Number of $5 bills = x

Number of $10 bills = y

According to given statement;

5x+10y=675    Eqn 1

She has twice as many $10 bills as $5 bills.

y=2x    Eqn 2

Putting value of y from Eqn 2 in Eqn 1

5x+10(2x)=675\\5x+20x=675\\25x=675

Dividing both sides by 25

\frac{25x}{25}=\frac{675}{25}\\x=27

Putting x=27 in Eqn 2

y=2(27)\\y=54

Caitlin has 27 $5 bills and 54 $10 bills.

Keywords: linear equation, substitution method

Learn more about substitution method at:

  • brainly.com/question/10699220
  • brainly.com/question/10703930

#LearnwithBrainly

7 0
3 years ago
If Maya and Amy had the same number of puzzles to solve, who would finish<br>first? Explain.<br>​
anygoal [31]

You have to know how long it takes them both to solve the puzzles. ;)

4 0
3 years ago
Read 2 more answers
Use the net to find the lateral area of the cylinder. Give your answer in terms of pi.
MatroZZZ [7]

Answer:

90\pi in^2

Step-by-step explanation:

The lateral  area of the cylinder is given by;

A_L=2\pi rh

The radius of the cylinder is r=5in. and the height is r=9in.

Substitute the values to get;

A_L=2\pi \times 5\times 9

A_L=90\pi in^2

5 0
3 years ago
Read 2 more answers
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