3 years ago

True or False? The sum of the differences must be zero for any distribution consisting of n observations.

Mathematics

2 answers:

nika2105 [10]3 years ago

6 0

Answer:

it's right, it's true

Step-by-step explanation:

MakcuM [25]3 years ago

3 0

Its TRUE!!! :) Hope this helps.

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the width of a rectangle is x centimetres and its length is (x+ 2) cm. Write down an expression for the perimeter of the rectang

yKpoI14uk [10]

Given:

The width of a rectangle is x centimeters and its length is (x+ 2) cm.

To find:

The expression for the perimeter of the rectangle.

Solution:

We know that, perimeter of a rectangle is

$Perimeter=2(Length+Width)$

We have,

Width = x cm

Length = (x+2) cm

Putting these values in the above formula, we get

$Perimeter=2((x+2)+x)$

$Perimeter=2(2x+2)$

$Perimeter=2(2x)+2(2)$

$Perimeter=4x+4$

Therefore, the required expression for the perimeter of the rectangle is (4x+4) cm.

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2 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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Put 3/8, 2/5, and 0.38 from least to greatest

Vesnalui [34]

3/8=0.375
2/5=0.4
0.38=0.38

0.375<0.38<0.4

therefore: 3/8,0.38,2/5

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2 years ago

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iris [78.8K]

Answer:

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What is the simplified form of the following expression? 10abc^2 sqrt 49a^2b^2c^2

Elodia [21]

$10abc^2\sqrt{49a^2b^2c^2}=70a^2b^2c^3$

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

$10abc^2\sqrt{49a^2b^2c^2}$

$\sqrt{49a^2b^2c^2}=7abc$

$7\cdot \:10aabbc^2c$

$70aabbc^2c$

$70a^2bbc^2c$

$70a^2b^2c^2c$

$70a^2b^2c^3$

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2 years ago

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