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3 years ago

Find 1/5 divided by 1/2.

Mathematics

2 answers:

Leni [432]3 years ago

5 0

Answer:

2/5

Step-by-step explanation:

1/5 divided by 1/2

there is this thing called KFC to find the answer

KFC: keep flip change

u keep the first number which is 1/5

then flip division to multiplication

1/5 times 1/2

then change 1/2 to 2/1

1/5 times 2/1 = 2/5

konstantin123 [22]3 years ago

3 0

Answer:

2/5

Step-by-step explanation:

Flip the second fraction, change the divide to multiply, and simplify:

(1/5)/(1/2) = (1/5) x (2/1) = 2/5

2/5 is your answer.

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3 years ago

Kind people!help me please...And a detailed solution/THANKS<br> sin^2x-0,5sin2x=0

Volgvan

This will be easier to write, and a lot easier to read, if we temporarily
use another symbol ... say, 'Q' ... to represent ' sin(2x) ' .
Here we go:

Original equation:    Q² - 0.5 Q = 0

Factor the left side:    Q (Q - 0.5) = 0

This equation is true if either factor is zero:

-- If Q=0, then sin(2x) = 0

   2x = 0°, 180°, 360°

   x = 0°, 90°, 180°

-- If (Q-0.5) = 0, then    Q = 0.5

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The whole collection of solutions
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3 years ago

In your own words, explain HOW to find the standard deviation of this data set.In your own words, explain HOW to find the standa

mr Goodwill [35]

Answer:

The answer is below

Step-by-step explanation:

The standard deviation formula is as follows:

$SD = \sqrt{\frac{Sum|x - m|^2}{N} }$

where sum means "sum of", x is a value of a data set, m is the mean of the data set, and N is the number of data.

The standard deviation formula may seem confusing, but it will make sense after we break it down. In subsequent sections we will explain an interactive example, step by step. Here's a quick preview of the steps we're about to follow:

Step 1: Calculate the mean with the data from the graph.

Step 2: Calculate the square of the subtraction between the mean and each data (that is, each x).

Step 3: add the values that resulted from step 2.

Step 4: divide by the number of data.

Step 5: take out the square root.

And in this way you can obtain the standard deviation

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