find a number of ways in which 4 algebra books, 5 geometry and 2 chemistry books can be placed on a shelf so that the arrangement begins and ends with a chemistry book

Answers

Answer 1

4 algebra books, 5 geometry and 2 chemistry books can be arranged in 5760 ways.

What is permutation?A permutation of a set is a loosely defined arrangement of its members into a sequence or linear order, or a rearrangement of its elements if the set is already ordered. The act or process of changing the linear order of an ordered set is also referred to as "permutation." A permutation is a specific arrangement of objects. Set members or elements are arranged in a sequence or linear order here. For example, the permutation of set A=1,6 is 2, as in 1,6,1. There are no other ways to arrange the elements of set A, as you can see.

Given ,

4 algebra books , 5 geometry , 2 chemistry books,

The number of permutations =

2! x 5! x 4!

= (1 x 2) x (5 x 4 x 3 x 2) x (4 x 3 x 2)

= 2 x (120) x (24)

= 5760 ways.

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Related Questions

Graphs present information to the reader
True
False

Answers

Answer:True

Step-by-step explanation:Graphs show information about information  about the topic you are reading\researching so true they show you a lot of info on the topic.

Answer:True

Step-by-step explanation:Graphs show information about information  about the topic you are reading\researching so true they show you a lot of info on the topic.

Solve for x. Show your work.

Answers

Answer:

x = 35°

Step-by-step explanation:

Hello!

The sum of the two angles is 90°, so if we set the sum of the two angles to 90, we can solve for x.

Solve for x90 = 32 + 2x - 1270 = 2x35 = x

The value of x is 35°.

A box of cereal states that there are
78 calories in a
3
4
​-cup serving. What is the unit rate for calories per​ cup? How many calories are there in
4 cups of the​ cereal?

Answers

The unit rate for the cereal is  104 calories per cup and there are 416 calories in 4 cups

How to determine the unit rate for the cereal?

From the question, the given parameters are

Calories = 78 calories

Size of cups = 3/4-cup

The unit rate of the calories per cup is calculated as

Unit rate = Number of Calories/Size of cup

Substitute the known values in the above equation

So, we have the following equation

Unit rate = 78/(3/4)

Evaluate the quotient

So, we have the following equation

Unit rate = 104

So, the unit rate is 104 calories per cup

For four cups of cereal, we have

Calories = 104 x 4

Evaluate

Calories = 416

So, the number of calories is 416 calories

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arie is driving from the usa into canada. she notices that all of the canadian speed limit signs are in kilometers per hour; her odometer only displays miles per hour. how many kilometers per hour is she driving when the odometer reads 19 miles per hour?

Answers

The answer is 30.571 because 1 mile = 1.609 km. So if you multiply 1.609 to 19 it will be 30.571 km.

someone include steps if you can

Answers

Using the concept of the equation, it can be concluded that Levi answered the first question wrong and the last two correctly. Thus,

No

Yes

Yes

How to check whether the value of x satisfies the equation?

To check the value of x satisfies the equation, put the value of x and if it matches the resultant, it is correct.

Now solving the first part, x/4=20;x=5

So, putting x=5 in the equation 5/4=1.25 is not matching with the resultant ie. 20.

Therefore, this is the incorrect value of x.

Now solving the second part, 1.5x-8=7;x=10

So, putting x=10 in equation 1.5*10-8= 15-8=7

It matches with the resultant.

Therefore, this is the correct value of x.

Now solving the third part, 4x+6=58; x=13

So, putting x=13 in equation 4(13)+6= 52+6=58

It matches with the resultant.

Therefore, this is the correct value of x.

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what is the median of this data set?[13,13,13,15,15,16,16,17,17]

Answers

Given the following data set:

[13,13,13,15,15,16,16,17,17]​

Let's determine the median.

Step 1: Arrange the data points from smallest to largest.

The set is already arranged in ascending order.

[13,13,13,15,15,16,16,17,17]​

Step 2:

a.) If the number of data points is odd, the median is the middle data point in the list.

b.) If the number of data points is even, the median is the average of the two middle data points in the list.

There are 9 data in the set, it is odd. The middle data is the 5th data.

[13,13,13,15,15,16,16,17,17]​

The 5th data is 15.

Therefore, the median of the given set of data is 15.

2/3×4/5 by using fraction bar step bystep

Answers

Answer: 8/15

Step-by-step explanation:

2/3 x 4/5, multiply numerators and denominators

8/15 or 0.533

8/15 is your answer creds to the guy above

HELP ME PLEASE I NEED HELP I DONT KNOW HOW TO DO THIS

Answers

Answer:

convert miles to kilometers by multiply by 1.61 covert kilometers to miles by devide by 0.62

(if am not wrong)

Find the equivalent expression using the
same bases.
(71.81)4.

Answers

        Expressions that are equivalent do the same thing even when they have distinct appearances. When we enter the same value for the variable, two algebraic expressions that are equivalent have the same value.

A similar expression can be found in what way?

          X-terms and constants should be combined with any other like terms on either side of the equation. Put the terms in the same order, with the x-term usually coming before the constants. The two phrases are equal if and only if each of their terms is the same.

        Consequently, (f + g)(4) is equal to f(4) + g(4)

         If two systems of equations have the same solution, they are equivalent (s).

Simplify

(71 . 81) 4 = 287.24

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1. Graph the system of constraints and find the value of x and y that maximize the objective function.

Constraints { x ≥ 0; y ≥ 0; y ≤ 1/5 x + 2; 5 ≥ y + x
Objective Function: C = 7x - 3y

A. (0, 0)
B. (2, 3)
C. (5, 0)
D. (0, 3)

Answers

The point in the feasible region maximizes the objective function is (5, 0)

How to determine the feasible region?

The given parameters are

Objective function: C = 7x - 3y

Subject to (i.e. the constraints)

    x ≥  0, y ≥ 0

    y ≤ 1/5x + 2, 5 ≥ y + x

Next, we plot the graph of the constraints (see attachment)

This is done by entering the inequalities in a graphing calculator

From the graphing calculator, we have the feasible regions to be

(5, 0), (2.5, 2.5) and (0, 5)

Substitute (5, 0), (2.5, 2.5) and (0, 5) in the objective function: C = 7x - 3y

So, we have

(5, 0): C = 7(5) - 3(0)

C = 35

(2.5, 2.5): C = 7(2.5) - 3(2.5)

C = 10

(0, 5): C = 7(0) - 3(5)

C = -15

The value 35 is greater than 10 and -15

The coordinates at this value are (5, 0)

Hence, the coordinates is (5, 0)

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Use identities to find tan, csc, sec, and cot. Where necessary, rationalize denominators

Answers

We are given:

[tex]sin\text{ }\theta=\frac{3}{5},cos\text{ }\theta=\frac{4}{5}[/tex]

The tangent is defined as the ratio of the sine and the cosine:

[tex]tan\text{ }\theta=\frac{sin\text{ }\theta}{cos\text{ }\theta}[/tex]

Calculating:

[tex]\begin{gathered} tan\text{ }\theta=\frac{\frac{3}{5}}{\frac{4}{5}}=\frac{3}{5}\cdot\frac{5}{4} \\ \\ tan\text{ \theta}=\frac{3}{4} \end{gathered}[/tex]

The cotangent is the reciprocal of the tangent:

[tex]\begin{gathered} \cot\theta=\frac{1}{\tan\theta} \\ \\ \cot\theta=\frac{1}{\frac{3}{4}}=\frac{4}{3} \end{gathered}[/tex]

The secant is the reciprocal of the cosine:

[tex]\begin{gathered} \sec\theta=\frac{1}{\cos\theta}=\frac{1}{\frac{4}{5}} \\ \\ \sec\theta=\frac{5}{4} \end{gathered}[/tex]

The cosecant is the reciprocal of the sine:

[tex]\begin{gathered} \csc\theta=\frac{1}{\sin\theta}=\frac{1}{\frac{3}{5}} \\ \\ \csc\theta=\frac{5}{3} \end{gathered}[/tex]

a ball was dropped from the empire state building observatory. the height of the ball in feet is described by the function f(x)=1048-16x^2 where x is time in seconds

Find the time when the ball hits the ground. round your answer to the nearest tenth

Answers

The time when the ball hits the ground is 8. 09 seconds

What is a function?

A function can be defined as an expression, theorem, law, or rule that elaborates, explains or holds true for the relationship between two variables.

These variables are namely;

The dependent variablesThe independent variables

From the information given, we have that;

f(x) = 1048 - 16x²

Where;

f(x) is The height of the ball in feetx is the time in seconds

To determine the time, we have;

collect like terms

- 16x² = - 1048

Divide both sides by the coefficient of x²

-16x²/-16 = -1048/-16

x² = 65.5

Find the square root of both sides, we have;

x = √65.5

x = 8. 09 seconds

Hence, the value is  8. 09 seconds

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Please helppp as fast as possible 20 points ***
FIND THE DOMAIN & RANGE OF THE FUNCTION
g(x)=|x + 4|

Please helppp as fast as possible

Answers

Answer:

Domain: (−∞,∞),{x | x ∈ R}

Range: [0,∞),{y|y≥0}

Step-by-step explanation:

Determine the relative frequency for the third class as a simplified fraction

Answers

GIVEN:

We are given a frequency distribution table showing different classes of hours of study and the frequency of each class of data.

Required;

To determine the relative frequency for the third class

Step-by-step solution;

For a relative frequyency, we need to find the number of times an event occurs and express it as a fraction of the total events that occured in the survey/experiment.

The events in this case are hours of study and the occurrence is the total frequency for all classes of hours of study.

The total frequency is;

[tex]3+10+6+15+6=40[/tex]

The relative frequency for the third class therefore would be;

[tex]\begin{gathered} Relative\text{ }Frequency_3=\frac{6}{40} \\ \\ Relative\text{ }Frequency=\frac{3}{20} \end{gathered}[/tex]

ANSWER:

The relative frequency of the third class therefore is

[tex]\frac{3}{20}[/tex]

Given g(x)=−23(x−4)2+3, g ( x ) = − 2 3 ( x − 4 ) 2 + 3 , what is the value of g(–5)? *Type in your answer. g(–5) =

Answers

The output value of g( -5 ) in the function g( x ) = −23( x - 4 )2 + 3 is 417.

What is the output value of g(-5) in the given function?

A function is simply a relationship that maps one input to one output, that is, each x-value can only have one y-value.

Given the data in the question;

g( x ) = −23( x - 4 )2 + 3g( -5 ) = ?

To find the g( - 5 ), replace all the occurrence of x with -5 in the function and simplify.

g( x ) = −23( x - 4 )2 + 3

g( -5 ) = −23( -5 - 4 )2 + 3

g( -5 ) = −23( -9 )2 + 3

g( -5 ) = −23( -9 × 2) + 3

g( -5 ) = −23( -18) + 3

g( -5 ) = ( -23 × -18) + 3

g( -5 ) = ( 414 ) + 3

g( -5 ) = 414 + 3

g( -5 ) = 417

Therefore, the output value of g( -5 ) is 417.

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Which one of these expressions doesn’t have a value less than 1 please help thank you if u do

Answers

Option D which is [tex](3^{5} )^{2}/3^{4}[/tex] doesn’t have a value less than 1 .

What are exponential power?

A number's exponent demonstrates how many times we are multiplying a given number by itself. 34, for instance, indicates that we are multiplying 3 by four. 3333 is its expanded form. The power of an integer is another term for an exponent. A whole number, fraction, negative number, or decimal are all acceptable. How frequently a number is multiplied by itself is indicated by its exponent. As 2 is multiplied by itself 4 times, 2222 might be expressed as 24, for instance. The "base" in this case is 2 and the "exponent" or "power" is 4. The general definition of xn is "x multiplied by itself n times."

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Help me and be a real g pls!!!

Answers

Answer: 1. C=43.96 in  A=153.86 in²

              2. C=56.52 in  A=254.34 in²

Step-by-step explanation:

1.

R=7 in

C=2πR

C=2*3.14*7

C=43.96 in

A=πR²

A=3.14*7²

A=3.14*7*7

A=153,86 in²

2.

R

D=18 in

⇒ R=D/2

⇒ R=18/2

⇒ R=9 in

C=2πR

C=2*3.14*9

C=56.52 in

A=πR²

A=3.14*9²

A=3.14*9*9

A=254.34 in²

The difference between 75% of a number and 20% of the same number is 378.4 what is 40% of that number?

Answers

Answer:

40% of the number is 275.2.

Step-by-step explanation:

I am going to call the number x.

75% of the number: 0.75x

20% of the same number: 0.2x

The difference between 75% of a number and 20% of the same number is 378.4:

This means that:

0.75x - 0.2x = 378.4

0.55x = 378.4

x = 378.4/0.55

x = 688

40% of the number:

0.4*688 = 275.2

40% of the number is 275.2.

Morgan can make 4 cupcakes with 1 cup of flour. How many cupcakes can she make with 18 cups of flour?

Answers

She can make 72 cupcakes. 4 times 18 = 72

Answer: She can make 72 cupcakes.

Step-by-step explanation:

The measures of the interior angles of four regular polygons are shown below. Which expression best represents the measure in degrees of the interior angle of a regular polygon having n sides?

Answers

ANSWER

[tex]\frac{180(n-2)}{n}[/tex]

EXPLANATION

We want to find the expression that best represents the measure of the interior angle of a regular polygon with n sides.

The general formula for finding the total angle in a regular n sided polygon is given as:

[tex]180(n-2)[/tex]

Therefore, to find the measure of each interior angle of the polygon, we have to divide the total angle by the number of sides.

That is:

[tex]\frac{180(n-2)}{n}[/tex]

Hence, that is the expression that best represents the measure in degrees of the interior angle of a regular polygon having n sides.

How many vertices does a triangle prima have?

Answers

A triangle prima has six vertices. A triangular prism has five faces, three rectangular and two triangular, nine vertices, and six edges.

What is triangle?A triangle is a three-edged polygon with three vertices. It is a fundamental shape in geometry. Triangle ABC denotes a triangle with vertices A, B, and C. In Euclidean geometry, any three non-collinear points determine a unique triangle and, by stretching, a unique aircraft. Triangles are three-sided polygons with three vertices. The angles of the triangle are formed by connecting the three sides end to end at a point. The sum of the triangle's three angles equals 180 degrees. You've seen that a triangle is a simple closed curve made up of three line segments. It is made up of three vertices, three sides, and three angles.

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What is the area of the triangle?

Answers

26x30/2=390 so the area would be 390
86

P=a+b+c=30+26+30=86

So my grades keep going down
Whats the best way to study

Answers

Answer:

Step-by-step explanation:

study

2/3×4/5 in fraction bar

Answers

Answer:

8/15

Step-by-step explanation:

Multiply the numerators:

2*4 = 8

Multiply the denominators:

3*5 = 15

Now we have 8/15.

This cannot be simplified, so this is our final answer.

[tex]\frac{2}{3} \times\frac{4}{5}[/tex]

Multiply numerator by numerator and denominator by denominator:

[tex]2*4=8\\3*5=15[/tex]

[tex]\frac{8}{15}[/tex]  would be your final answer.

PLS HELP ME< WILL APPRICIATE

Answers

Answer:

<F=74

Step-by-step explanation:

No explanation just asked my teacher

Solve for d.
4d - 5 = 11

Answers

Answer:

d = 4

Step-by-step explanation:

4d - 5 = 11

a) Subtract 5 from both sides.

-5 + 5 = 11 + 5

4d = 16

b) Divide both sides by 4.

4d/4 = 16/4

16/4 = 4

Therefore, you're answer will be 4.


For his science project, Spencer needs to photocopy his 21-page
presentation. There are 37 students in his class, and he will need copies for
each person, including his teacher. Each photocopy is $0.12.
How much will Spencer spend at the copy center?
A $77.70
B $93.24
C $95.76
D $100.3

Answers

Answer: $95.76

Explantion: Spencer spend $95.76 dollars at the copy center.

Then your done

The answer is $93.24

This is right⬆️

to
low
ing
Guess my number.
My number is a 2-digit number.
It is multiple of 5 but not a multiple
of 10.
It has an odd tens digit.
The digit total is less than 10.
What is my number?

Answers

Answer:60 and 80

Step-by-step explanation:

kid had 10 apples and he gic

Answers

Answer:

The meal cost $14.51 per person.

Step by step explanation:

Meal cost: 46.72

Sales tax: 8%

Then.

then we take out 8% of the value

[tex]46.72\text{ x 0.08 =3.74}[/tex][tex]46.72+3.74\text{ = 50.46}[/tex]

Tip : 15% (meal and sales tax)

[tex]50.46\text{ x 0.15 = 7.57}[/tex][tex]50.46\text{ + 7.57 = 58.03}[/tex]

There are 4 people.

[tex]\frac{58.03}{4}=14.51[/tex]

5(23)=5(20)+ what property is being used help please i have till monday

Answers

The property used here is the distributive property of the multiplication.

What property is being used?

Here we have the expression:

5*23 = 5*20 + 5*3

This is the distributive property of the multiplication, it says that:

A*(B + C) = A*B + A*C

Now, the original expression can be rewritten as:

5*23 = 5*(20 + 3)

And now we apply the above property to get:

5*23 = 5*(20 + 3) = 5*20 + 5*3

5*23 = 5*20 + 5*3

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