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mote1985 [20]
2 years ago
9

How many different groups of 3 letters can be made from a,b,c,d,e,f?

Mathematics
1 answer:
Helga [31]2 years ago
3 0

Answer:

abc

bcd

cde

def

efa

fab

is this correct?

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Company F sells fabrics known as fat quarters, which are rectangles of fabric created by cutting a
marysya [2.9K]

Based on the information given, it should be noted that the mean and standard deviation of Y will be 0.4899 and 0.699 respectively.

<h3>Calculating the mean.</h3>

Based on the information given, it should be noted that the probability distribution for y will be:

Y                   0        1.         2

Probability 0.63.   0.25.   0.12

The mean of Y will be:

= (0 × 0.63) + (1 × 0.25) + (2 × 0.12)

= 0 + 0.25 + 0.25

= 0.49

The variance will be 0.4899. Therefore, the standard deviation will be:

= ✓0.4899

= 0.699

Learn more about mean on:

brainly.com/question/19243813

8 0
2 years ago
-9(x+2)=54 apply the distributive property and simplify ​
Tomtit [17]

Answer:

x = -8

Step-by-step explanation:

-9 (x+2) = 54

-9x - 18 = 54

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x = -8

Hope this helps :)

Let me know if there are any mistakes!!

8 0
3 years ago
Please help me with this stuff, thanks.
zysi [14]
This is really ominous
4 0
3 years ago
The product of 2/5a²x and -1/5x²a is?
Natasha2012 [34]
So you first multiply the fractions: 2/5 times -1/5 = -2/25; then the a's: a^2 times a equals a^3; then multiply the x's: x times x^2 equals x^3.
The answer would be -2/25a^3x^3
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Read 2 more answers
The slope of the line is
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Answer:

-2

Step-by-step explanation:

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3 years ago
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