The box plots below show the distribution of salaries, in thousands, among employees of two small companies.Which measures of center and variability would be best to use when making comparisons of the two data sets?

Answers

Answer 1
Answer:

Answer:

mean and Interquartile Range (IQR)

Step-by-step explanation:


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Find f(a), f(a+h) and the difference quotient (f(a+h)-f(a))/ h, where hod want equal 0. F(x)= 2x/ x-1

Answers

First. 

Calculate f'(x) = (2x/x-1)' = (-2)/(x-1)^(2); when x is not 1;

Second.

Calculate f'(0) = -2 => the difference quotient (f(a+h)-f(a))/ h, where hod want equal 0 is -2;

Third.

f(a) = 2a/a-1; f(a+h) = (2a+2h)/(a+h-1);

Answer:

1

Step-by-step explanation:

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?x2(4x + 1) – 2(4x + 1)
x2(4x – 1) + 2(4x – 1)
4x2(x + 2) – 1(x + 2)
4x2(x – 2) – 1(x – 2)

Answers

group first 2 and group last 2 and find factors and undistribute

(4x^3+x^2)+(-8x-2)
(x^2)(4x+1)+(-2)(4x+1)
x^2(4x+1)-2(4x+1)
answer is first one

The way to determine the factors of the given polynomial is; x²(4x + 1) - 2(4x + 1)

How to factorize polynomials?

We are given the polynomial;

4x³ + x² – 8x – 2

We can group the polynomial as follows;

(4x³ + x²) + (-8x - 2)

This grouping can be further factorized to get;

x²(4x + 1) + (-2)(4x + 1)

⇒ x²(4x + 1) - 2(4x + 1)

Read more about polynomials at; brainly.com/question/4142886

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3x + 6 - 6x + 6 < 0
Algebra

Answers

The answer is x>4, because -3x+12<0, -3x <-12, x> -12/-3, x> 12/3.

How can I do this exercice (n+1)!/(n+2)! ?

Answers

(n+1)! is equal to (n+1)*n*(n-1)*(n-2)...*3*2*1.  Basically, it multiplies together every positive integer that is at most n+1.  This is the definition of the !, or the factorial function.

(n+2)! is equal to (n+2)*(n+1)*n*(n-1)*(n-2)...*3*2*1, using the same definition.  This thus is equal to (n+1)!*(n+2), so we have:

(n+1)!/(n+1)!(n+2), or:

1/(n+2)

This is our final simplification.

Plz help need to find both answers

Answers

Answer:

I hope it helped u.

Step-by-step explanation:

What is the area of a square whose perimeter is 12?

Answers

We know that a square has an equal height and width. So if all 4 sides, which are equal in length, add up to 12, then we can find the length of one side by dividing 12 by 4:
12/4= 3

If the length of one side is 3, we can multiply the height (3) by the width (3) to find the area.
3*3= 9

Answer: the area of the square is 9.
P=4L
12=4L
3=L

A=L^2
A=3^2
A=9