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Alla [95]
3 years ago
12

Calculate the Standard Deviation of the following set of data

Mathematics
2 answers:
RideAnS [48]3 years ago
7 0

Answer:

A

Step-by-step explanation:

umka2103 [35]3 years ago
5 0

Answer:

The answer is A

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Find the product of<br> (x2 + 3x + 1)(x2 + x + 2)
Bogdan [553]

Answer: x^4+4x^3+6x^2+7x+2

Step-by-step explanation:

To solve the exercise you must apply the following proccedure:

- Apply the distributive property.

- Keep on mind that when you multiply two powers with equal base, you must add the exponents.

- Add like terms.

Therefore, you obtain the following product:

=x^{(2+2)}+x^{(2+1)}+2x^2+3x^{(1+2)}+3x^{(1+1)}}+6x+x^{2}+x+2\\=x^4+x^3+2x^2+3x^3+3x^2+6x+x^2+x+2\\=x^4+4x^3+6x^2+7x+2

4 0
3 years ago
Read 2 more answers
Solve for X. -15=22x+7
tensa zangetsu [6.8K]

Answer:

x=-1

Step-by-step explanation:

-15=22x+7

Subtact 7 both sides

-15-7=22x+7-7

-22x=-22

Divide both sides by -22

-22x=-22

x=-1

5 0
3 years ago
Find the radius of a cylinder if its volume is 1539π cm3 and height is 19 cm.​
Kipish [7]

Hope THIS works if not ask a tutors

3 0
2 years ago
Please help, this is due soon
Scilla [17]

Answer:

A!

Step-by-step explanation:

All of the numbers line up in skip counting. (by 3)

Hope this helps! Mark me as brainliest if it does :)

3 0
3 years ago
Read 2 more answers
How to solve. Y=-4(x-2)squared+4
Amiraneli [1.4K]
What do you mean, "solve"?
y = -4(x-2)² + 4 
the line is a parabol with a maximum (2;4)
it's roots are  -4(x-2)² + 4  = 0 => (x-2)² = 1 => x-2 = 1 => x = 3
                                                              => x-2 = -1 => x = 1 
symetrical axe: x = 2
is that all you need?

3 0
3 years ago
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