A science teacher is arranging her books on a shelf. She has 4 Astronomy books, 3 Biology books, and 2 Chemistry books. How many ways can she arrange these books on the shelf if the books from each subject must be together

Answers

Answer 1

Answer:

864 ways

Step-by-step explanation:

4!×3!×2!×3

Correct me if I am wrong


Related Questions

A cyclist rides his bike at 12 miles per hour. What is this speed per minute? How many miles will the cyclist travel in 20 minutes? Do not round you answers. Help thx

Answers

Answer:

In order to find the distance traveled in one minute, you have to divide the distance he can ride his bike in an hour by the number of minutes in a hour. 6/60= .1 mile per minute. If he rides his bike for five minutes, then you would multiply the number of minutes biked by the distance traveled in a minute. .1*5=.5 mile, or [tex]\frac{1}{2}[/tex] mile.

Step-by-step explanation:

The cyclist will travel 4 miles in 20 minutes.

What is Speed?

Speed is the time rate at which an object is moving along a path,

To find the speed per minute, we can use the fact that there are 60 minutes in an hour. Therefore:

12 miles per hour = 12/60 miles per minute = 0.2 miles per minute

So the cyclist's speed is 0.2 miles per minute.

To find how many miles the cyclist will travel in 20 minutes, we can use the formula:

distance = rate x time

Plugging in the given values, we get:

distance = 0.2 miles per minute x 20 minutes

distance = 4 miles

Therefore, the cyclist will travel 4 miles in 20 minutes.

To learn more on Speed click:

https://brainly.com/question/28224010

#SPJ2

Sami leave his house at 3:45 PM and walks to karlas house in 15 minutes he stays at karlas house for five minutes and then walks to the library in 10 minutes when does Sami arrive at the library

Answers

Sami arrives at the library at 4:15. Why? Well is says she took 15 minutes to walk to karlas house so when she arrives it’s 4:00 PM. Than, she stays at karlas house for 5 minutes which puts her at 4:05 PM. After that is Sami took 10 minutes to get to the library so that puts Sami at 4:15 PM. Hope this helps!

Sally can run 5 km in 25 minutes. At the same rat of speed, how far can she run in 2 hours and five minutes?

Answers

Answer:

25 km

Step-by-step explanation:

[tex]\frac{5}{25} :\frac{y}{125}[/tex]

y · 25 = 5 · 125

25y = 625

25y ÷ 25 = 625 ÷ 25

y = 25

Factor this polynomial completely.

x²- 64

A. (x+8)(x-8)
B. (x+64)(x-64)
C. (x-8)(x-8)
D. (x-64)(x-64)​

Answers

Answer:

B. (x+64)(x-64)

Step-by-step explanation:

x²- 64 = (x) ² - (8) ² =

(x+64)(x-64)

Answer is A. (x+8)(x-8)
Hope this helps

Please help and show work!

Answers

Answer:

x = 3

Step-by-step explanation:

Two triangles are similar

x/(x+3) = 4/8 cross multiply expressions

8x = 4x + 12

8x - 4x = 12

4x = 12 divide both sides by 4

x = 3

Round 5,060 to the nearest tenth

Answers

Answer:

5060.0

Step-by-step explanation:

hope this helps with the work

Answer: 5,060
it is already rounded to the nearest tenth! hope that helped :)))

seven less than the quotient of nineteen and 2​

Answers

Answer:

19x2-7

mark me brainliestt :))

19x2-7 I’m pretty sure is the answer

For the data that are shown on the graph below, which best describes within which range of x-values extrapolation occurs? On a graph, points are at (0, 15), (1, 17), (3, 18), (4, 20) and (6, 22). x greater-than 6 x less-than 0 and x greater-than 6 x less-than 0 and x greater-than 10 x greater-than-or-equal-to 0 and x less-than-or-equal-to 6 Mark this and return

Answers

Given:

On a graph, points are at (0, 15), (1, 17), (3, 18), (4, 20) and (6, 22).

To find:

The range of x-values extrapolation occurs.

Solution:

Consider the below figure attached with this question.

From the graph or given points it is clear that the x-values are 0, 1, 3, 4, 6.

It means the x-values are from 0 to 6.

So, the range of the x-values is [tex]x\geq 0[/tex] or [tex]x\leq 6[/tex].

The required compound inequality for the range of x-values is [tex]0\leq x\leq 6[/tex].

Therefore, the correct option is D.

Answer:

The answer is B

Henry wants to buy a coat that has an original price of $125. During an upcoming sale, the price of the coat will be reduced by 4% each week. Henry plans to wait until the price of the costess than 100 and
uses this inequality to determine w, the number of weeks that he needs to wait to buy the coat
125(0.96)" < 100
How many weeks must Henry wait for the price of the coat to first fall below $100?
AO6
BO5
c.03
DO7

Answers

ANSWER: Here is the link where I answered this question

https://brainly.com/question/23634590?answering=true&answeringSource=feedPublic%2FhomePage%2F1

A circular ring has a circumference of 264 cm. What is the diameter of the ring

Answers

Answer:

84.03380995252074

Step-by-step explanation:

Diameter = C/π = 264 / π ≈ 264 / 3.141592653589793 ≈ 84.03380995252074 cm

Drag each tile to the correct box.
Arrange the matrices in increasing order of their determinant values.

Answers

Answer:

Order of the Matrix will be

[tex]\left[\begin{array}{ccc}6&6\\5&-8\\\end{array}\right][/tex]  

[tex]\left[\begin{array}{ccc}2&4\\5&-5\\\end{array}\right][/tex]

[tex]\left[\begin{array}{ccc}2&6\\3&4\\\end{array}\right][/tex]  

[tex]\left[\begin{array}{ccc}3&2\\4&6\\\end{array}\right][/tex]

[tex]\left[\begin{array}{ccc}-2&-7\\5&9\\\end{array}\right][/tex]

[tex]\left[\begin{array}{ccc}2&5\\-2&4\\\end{array}\right][/tex]

[tex]\left[\begin{array}{ccc}4&-3\\5&2\\\end{array}\right][/tex]

Step-by-step explanation:

Given - The matrices are -

[tex]\left[\begin{array}{ccc}2&6\\3&4\\\end{array}\right][/tex]

[tex]\left[\begin{array}{ccc}-2&-7\\5&9\\\end{array}\right][/tex]

[tex]\left[\begin{array}{ccc}6&6\\5&-8\\\end{array}\right][/tex]

[tex]\left[\begin{array}{ccc}2&4\\5&-5\\\end{array}\right][/tex]

[tex]\left[\begin{array}{ccc}2&5\\-2&4\\\end{array}\right][/tex]

[tex]\left[\begin{array}{ccc}4&-3\\5&2\\\end{array}\right][/tex]

[tex]\left[\begin{array}{ccc}3&2\\4&6\\\end{array}\right][/tex]

To find - Arrange the matrices in increasing order of their determinant values.

Proof -

Determinant of matrix [tex]\left[\begin{array}{ccc}2&6\\3&4\\\end{array}\right][/tex] is

= (2)(4) - (6)(3)

= 8 - 18

= -10

So,

Determinant of matrix [tex]\left[\begin{array}{ccc}2&6\\3&4\\\end{array}\right][/tex]  = -10

Determinant of matrix [tex]\left[\begin{array}{ccc}-2&-7\\5&9\\\end{array}\right][/tex] is

= (-2)(9) - (-7)(5)

= -18 + 35

= 17

So,

Determinant of matrix [tex]\left[\begin{array}{ccc}-2&-7\\5&9\\\end{array}\right][/tex] = 17

Determinant of matrix [tex]\left[\begin{array}{ccc}6&6\\5&-8\\\end{array}\right][/tex] is

= (6)(-8) - (6)(5)

= -48 - 30

= -78

So,

Determinant of matrix [tex]\left[\begin{array}{ccc}6&6\\5&-8\\\end{array}\right][/tex]  = -78

Determinant of matrix [tex]\left[\begin{array}{ccc}2&4\\5&-5\\\end{array}\right][/tex] is

= (2)(-5) - (4)(5)

= -10 - 20

= -30

So,

Determinant of matrix [tex]\left[\begin{array}{ccc}2&4\\5&-5\\\end{array}\right][/tex] = -30

Determinant of matrix [tex]\left[\begin{array}{ccc}2&5\\-2&4\\\end{array}\right][/tex] is

= (2)(4) - (5)(-2)

= 8 + 10

= 18

So,

Determinant of matrix [tex]\left[\begin{array}{ccc}2&5\\-2&4\\\end{array}\right][/tex] = 18

Determinant of matrix [tex]\left[\begin{array}{ccc}4&-3\\5&2\\\end{array}\right][/tex] is

= (4)(2) - (-3)(5)

= 8 + 15

= 23

So,

Determinant of matrix [tex]\left[\begin{array}{ccc}4&-3\\5&2\\\end{array}\right][/tex]  = 23

Determinant of matrix [tex]\left[\begin{array}{ccc}3&2\\4&6\\\end{array}\right][/tex] is

= (3)(6) - (2)(4)

= 18 - 8

= 10

So,

Determinant of matrix [tex]\left[\begin{array}{ccc}3&2\\4&6\\\end{array}\right][/tex]  = 10

Now,

Increasing order of Determinant is -

-78 < -30 < -10 < 10 < 17 < 18 < 23

So,

Order of the Matrix will be

[tex]\left[\begin{array}{ccc}6&6\\5&-8\\\end{array}\right][/tex]  

[tex]\left[\begin{array}{ccc}2&4\\5&-5\\\end{array}\right][/tex]

[tex]\left[\begin{array}{ccc}2&6\\3&4\\\end{array}\right][/tex]  

[tex]\left[\begin{array}{ccc}3&2\\4&6\\\end{array}\right][/tex]

[tex]\left[\begin{array}{ccc}-2&-7\\5&9\\\end{array}\right][/tex]

[tex]\left[\begin{array}{ccc}2&5\\-2&4\\\end{array}\right][/tex]

[tex]\left[\begin{array}{ccc}4&-3\\5&2\\\end{array}\right][/tex]

Answer:

Correct on Edmentum

Step-by-step explanation:

√320x^3 yz
simplify square roots

Answers

Answer:

[tex]8x\sqrt{5x}[/tex]yz

Step-by-step explanation:

before you plug in this answer, is your correct equation [tex]\sqrt{320x^3} yz[/tex] or [tex]\sqrt{320x^3yz}[/tex]

which shape has a parallel side choose all the answers

Answers

Answer:

Step-by-step explanation:

it looks like the green four sided one,  has two,   the top and bottom ones, then also the blue four sided one ,  maybe the opposite sides are parallel to each other.  :)  

Which equation models this situation? 26 more than a number is 37.​

Answers

Answer:

x+26=37

Step-by-step explanation:

PLSSS HELP GIVING BRAINLIEST
Mr. Fowler's science class grew two different varieties of plants as part of an experiment. When the plant samples were fully grown, they compared their heights. Plant variety Height of plant (inches) Mean Mean absolute deviation (inches) Variety A 23, 21, 18, 10, 23 19 4 Variety B 18, 11, 13, 13, 15 14 2 Based on these data, which statement is true? O A. Variety A always grows taller than variety B. B. The average height of variety A is greater and varies more than that of variety B. O C. The average height of variety A is greater but varies less than that of variety B. O D. The maximum height of variety B is greater than that of variety A.​

Answers

Answer:

the answer is B!

Step-by-step explanation:

i just took the exam!! i came here looking for an answer but decided to try it on my own since i couldnt find one.

HELP DUE IN 15 MINS!

x = ??

Answers

Answer:

x = 7

Step-by-step explanation:

Intersecting secants theorem:

8*(8 + 10) = 9*(9 + x)9x + 81 = 1449x = 63x = 7

given the information in the diagram, which thermo best justifies why lines j and k must be parallel?​

Answers

B. Alternate exterior angles theorem

List a pair of corresponding angles

Answers

Answer:

2 and 6, 1 and 5, 3 and 7, 4 and 8

Step-by-step explanation:

Any one of those would work

Answer: <1 and <5

Step-by-step explanation:

In a pack of pretzel sticks, one-quarter of the total number of pretzel sticks is 14.
how many are in the bag

Answers

Answer:

6 lol have  a good day

Answer:

I got 56.

Step-by-step explanation:

Well if 1/4 of the bag is 14, then multiply it by 4. Sorry if this is wrong!

Draw an angle of -45 degrees in standard position . Then find the reference angle

Answers

Answer:

45°

Step-by-step explanation:

-45° would be 360°-45°=315°

Since 315° is in Quadrant IV, then its reference angle is 360°-315°=45°

So really, -45° is just 45° clockwise which is also our reference angle.

A prism with a square base has a volume of 96 ft3. The height of the unit is 6 feet.

A prism has a length of l, width of 2, and height of 6 feet.

Given what you know about the figure, complete these sentences.

The area of the square base is
feet2.
The length of the prism is
feet.
The width of the prism is
feet

Answers

A prism with a square base has a volume of 96 ft3. The height of the unit is 6 feet.

A prism has a length of l, width of 2, and height of 6 feet.

Given what you know about the figure, complete these sentences.

The area of the square base is
feet2.
The length of the prism is
feet.
The width of the prism is
feet

Answer:

Its 16 4 4

Step-by-step explanation:

if we got the same question then this should be correct :)

drag like terms onto each other to simplify fully.
22+7x+7x-4x−4x+2+2-5−5

Answers

Answer:

6x + 16 would be its simplified form.

Step-by-step explanation:

Answer:

22+2+2-5-5+7×+7×+4×+4×

If alex is visiting her moms house and eats a pizza that has 6 triangular pieces, how long would it take for alex’s mom to reach the moon?

Answers

Answer:

MY GuYYYY wHat Is ThIS qUeSTioN?!?!?

Step-by-step explanation: I think the answer is green btw

subtracting 9 From A Certain number gives 13 what is the number​

Answers

Answer:

22

Step-by-step explanation:

N-9=13

N-9+9=13+9

N=22

Answer:

the answer for the question is 22

Step-by-step explanation:

as I said,a certain number =x

therefore,x-9=13

x=13+9

x=22

What is the converted metric unit for 75 cm

Answers

Answer:

To inches?

Step-by-step explanation:

75 cm = is about like 30 inches

456 + 788 - 129 x 9 = ?

Also wanna converse? Lol

Answers

[tex]456+788-129\cdot \:9\\\\129\cdot \:9=1161\\\\456+788=1244\\\\1244-1161=83\\\\=83[/tex]

Yeah that should be right and sure

Every day after school, Kelly and Bella walk their dogs around the block. The block is 274 meters long and 80 meters wide. What is the perimeter of the bloc

Answers

Answer:

708meters

Step-by-step explanation:

Given data

Lenght = 274meters

Width= 80 meters

The expression for the perimeter is

P= 2L+2W

substitute

P= 2*274+ 2*80

P= 548+160

P= 708 meters

Hence the perimeter of the block is 708meters


Advertising A bank manager wants to encourage new customers to open accounts with principals of
at least $2,500. He decides to make a poster advertising a simple interest rate of 3%. What must the
principal be if the bank manager also wants to advertise that one can eam $10 the first month? Can
the poster correctly say, "Open an account of $2,500 and earn at least $10 interest in 1 month!"?
Explain your answer (be careful he said 1 MONTH).

Answers

Answer:

The poster say, "Open an account of ​$3,500 and earn at least ​$10 interest in 1​ month!" is correct

Step-by-step explanation:

Given, A bank manager wants to encourage new customers to open accounts with principals of at least  $3,500.  

He decides to make a poster advertising a simple interest rate of 4.8%.  

We have to find what must the principal be if the bank manager also wants to advertise that one can earn  $10 the first month

We know that, banks offer simple interest  

In our problem, simple interest = $10, rate = 4.8%, time = 1 month

Let us see Can the poster correctly say, "Open an account of $3,500 and earn at least $10 interest in 1 month!"?

So now, in our problem, amount = $3500, rate = 4.8% and time = 1 month =

So, the statement is correct.

Hence, amount to be invested is $2500 and poster says correctly.

is greater than or equal to, minus, 5.

Answers

Answer:

x≥-5

Step-by-step explanation:

x

find 2 numbers if their sum is 3/5 and their difference is 7 and 1/5

Answers

Answer:

3,and, 7

Step-by-step explanation:

this question is asked to you find that 2 Number 3 upon 5 different 7 and 1 upon 5 means 1 3 upon 5 is equal to 1 and one number is remain 3 and two number are find is 3 and 7, that is answer 3 and 7

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