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3 years ago

7

Convert the decimal to a fraction. 0.02

2 answers:

kotykmax [81]3 years ago

7 0

You times 0.02 with a hundred and that’s it

Blizzard [7]3 years ago

3 0

Step-by-step explanation: To turn 0.02 into a fraction, let's first multiply the numerator and the denominator by 100 to remove the two decimal places. Next, we want to find the greatest common factor which is 2. So, we can reduce the fraction by dividing both numerator and denominator by 2.

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Here are two sets of numbers, a and b. Set a :200,104,100,160. Set b: 270,400,483,300, x. Mean of set a: mean of set b= 3:8. Wor

LenKa [72]

Given:

The given sets are:

Set a : 200, 104, 100, 160.

Set b: 270, 400, 483, 300, x.

Mean of set a: mean of set b= 3:8

To find:

The value of x.

Solution:

Formula for mean:

$Mean=\dfrac{\text{Sum of observations}}{\text{Number of observation}}$

The mean of set of a is:

$Mean=\dfrac{200+104+100+160}{4}$

$Mean=\dfrac{564}{4}$

$Mean=141$

The mean of set of b is:

$Mean=\dfrac{270+400+483+300+x}{5}$

$Mean=\dfrac{1453+x}{5}$

$Mean=\dfrac{1453+x}{5}$

It is given that,

Mean of set a: mean of set b= 3:8

$\dfrac{141}{\dfrac{1453+x}{5}}=\dfrac{3}{8}$

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Isolate the variable x.

$5640-4359
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$1281
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Divide both sides by 3.

$\dfrac{1281}{3}
=x$

$427
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Therefore, the value of x is 427.

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