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xenn [34]
3 years ago
6

As the number of pages in a photo book increases, the price of the book also increases. There is an additional shipping charge o

f 15%. The price of a book can be modeled by the equation below, where P = the price of the book, 20 is the printing charge, 0.5 is the charge per page, and x = the number of pages:
P = (20 + 0.5x) + 0.15(20 + 0.5x)

Jennifer wants to purchase a book but only has $62.10 to spend. What is the maximum number of pages she can have in her book?

x = ______________________ pages
Mathematics
2 answers:
miv72 [106K]3 years ago
6 0

Answer:

The maximum number of pages she can have in her book is 68 pages

Step-by-step explanation:

The price of a book can be modeled by the equation below, where P = the price of the book, 20 is the printing charge, 0.5 is the charge per page, and x = the number of pages:

P = (20+0.5x)+0.15(20+0.5x)

Jennifer wants to purchase a book but only has $62.10 to spend.

we will put P = 62.10

62.10 = (20+0.5x)+0.15(20+0.5x)

Solving this;

62.10 =20+0.5x+3+0.075x

=> 62.10 =23+0.575x

=> 62.10-23=0.575x

=> 39.1=0.575x

x = 68

Hence, the maximum number of pages she can have in her book is 68 pages.

UNO [17]3 years ago
5 0

You can just substitute $62.10 to the model of the price

P = (20 + 0.5x) + 0.15 (20 + 0.5x)

68.10 = (20 +0.5x) + 0.15(20+0.5x)

 

x = 68 pages

 

therefore the maximum number of pages she can have in her book is 68 pages

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babymother [125]
First one is 7.73 (23.19/3)
Second one is 14.04 ((19.71/7.3) x 5.2)
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3 years ago
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BigorU [14]

The volume of the slice is 40 in³. The volume of the remaining cake would be 197.014 in³.

<h3>What is a regular hexagon?</h3>

A regular hexagon can be defined as a closed shape consisting of six equal sides and six equal angles.

Here we have two regular hexagons

one top small hexagon cake with a side of length = 3 in, height = 3 in

One big hexagon cake, side of length = 4 in, Height = 4 in

A slice cut such that it removes a side segment is equivalent to an equilateral triangle with a side

length = length of hexagon side

The length of the side of the removed equilateral triangle side

Top small cake slice triangle side = 3 in.

Area of surface of small slice = 1/2 x b x h = 1/2 x 3 x 3 x sin 60

                                                = 9√3/ 4

The volume of a small slice  

=  Area of surface small slice × Height of small cake

= 9√3/ 4  x 3

= 11. 69

Big cake slice triangle side = 4 in.

Area of the surface of big slice = 1/2 x 4 x 4 x sin 60

                                                    = 4√3

The volume of big slice =  Area of the surface of big slice × Height of big slice

= 16√3

= 28

The total volume of slice = Volume of small slice + Volume of big slice

Total volume of slice = 12 in³ +28 in³ = 40 in³

For the small cake,

the remaining volume = 5 x 11.69 = 58.45

For the big cake

the remaining volume = 5 x 27.71 = 138.56

Total volume remaining cake

= 58.45 in³ + 138.56 in³ = 197.014 in³

a = Length of side

h = Height of hexagon

The volume of each slice is,

= a^2 x h x √3/4

For the small cake, we have

a = 3 in.

h = 3 in.

The volume of small slice = a^2 x h x √3/4

                                   = 9 x 3 x √3/4

                                   = 27√3/4

For the big cake, we have

a = 4 in.

h = 4 in.

Volume of big slice =  a^2 x h x √3/4

                                = 16 √3

The total volume of slice = Volume of small slice + Volume of a big slice

Total volume of slice = 27√3/4 + 16 √3

The total volume of the slice = 39404 in³.

Learn more about hexagon;

brainly.com/question/16025389

#SPJ1

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

Given

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Time\ Recorded = 56s

Required

Determine the speed

In this case:

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