1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
nordsb [41]
3 years ago
7

You have nine books that you want to arrange on a book shelf. How many different ways can you arrange the books on one shelf?

Mathematics
1 answer:
laila [671]3 years ago
8 0

oh its easy you can do 3 books each layer

You might be interested in
What is the name of the shape graphed by the function r^2=9 cos(2 theta)?
Lady bird [3.3K]

<span>The name of the shape graphed by the function r ^ 2 = 9 cos (2 theta) is called the “<u>lemniscate</u>”. A lemniscate is a plane curve with a feature shape which consists of two loops that meet at a central point. The curve is also sometimes called as the lemniscate of Bernoulli. </span>


Explanation:

The period of coskθ is 2π/k. In this case, k = 2 therefore the period is π.

r ^ 2 = 9 cos 2θ ≥0 → cos 2θ ≥0. So easily one period can be chosen as θ ∈ [0, π] wherein cos 2θ ≥0.

As cos(2(−θ)) = cos2θ, the graph is symmetrical about the initial line.

Also, as cos (2(pi-theta) = cos 2theta, the graph is symmetrical about the vertical θ = π/2

A Table for half period [0,π4/] is adequate for the shape in Quarter1

Use symmetry for the other three quarters:

(r, θ) : (0,3)(3/√√2,π/8)(3√2/2,π/6)(0,π/4<span>)</span>

5 0
3 years ago
Of the three properties, reflexive, symmetric, and transitive that define the relation "is equal to," which one could also apply
yan [13]

Answer: Transitive property.

Step-by-step explanation:

First, for the equality we have:

Reflexive:

  For all real numbers x, x = x.

Symmetric:  

 For all real numbers x, y

 if x= y, then y = x.

Transitive:

 For reals x, y and z.

 if x = y, and y = z, then x = z.

Now, let's talk about inequalities.

first, the reflexive property will say that:

x > x.

This has no sense, so this property does not work for inequalities.

Now, the reflexive.

If x > y, then y > x.

Again, this has no sense, if x is larger than y, then we can never have that y is larger than x. This property does not work for inequalities.

Not, the transitive property.

if x > y, and y > z, then x > z.

This is true.

x is bigger than y, and y is bigger than z, then x should also be bigger than z.

x > y > z.

And this also works for the inverse case:

x < y and y < z, then x < z.

So the correct option is transitive property.

3 0
3 years ago
Which of the following is an example of a sensory cue that an animal could use to attract a mate?
NARA [144]
The correct answer is: D. All of the above
3 0
3 years ago
Read 2 more answers
Consider the function f(x) = log8 x. (a) What is the domain of f? (Enter your answer using interval notation.)
stepan [7]

Answer:

The domain of f is equal to x = log8 x.

Step-by-step explanation:

3 0
3 years ago
I will give brainiest to whoever answers correctly !!
Dvinal [7]
Okay uh i think it’s immm
3 0
3 years ago
Read 2 more answers
Other questions:
  • I need to know how to solve for x in the triangle?
    14·1 answer
  • Fiona and her friends are playing a game by guessing where a coin will land when it is randomly dropped inside the square shown
    6·2 answers
  • Suppose you look at a given figure and decide that, depending on how you look at it, it can be perceived as either an old woman
    12·2 answers
  • Use the graph of the quadratic function y = - 1x2 + x + 4 to
    10·1 answer
  • The position function of a particle in rectilinear motion is given by s(t) = 2t^3 - 21t^2 + 60t + 3 for t ≥ 0. Find the position
    15·1 answer
  • Find the area of the figure
    9·2 answers
  • Bob invited 11 friends to his birthday party. He and his friends each ate two pieces of pizza. If they were eight slices in each
    12·1 answer
  • Please help with these questions. Write answer for 19 and 20 thank you
    8·1 answer
  • Please help with this question!!
    7·1 answer
  • Without solving, what can you tell about the solution to
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!