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enyata [817]
3 years ago
14

As the number of pages in a photo book increases the price of the book also increases there is an additional shipping charge of

15% the price of of a book can be modeled by the equation below where P equals the price of the book 20 is there printing charge and 0.5 is the charge per page and the x equals the number of pages: P=(20+0.5) + 0.15(20+0.5
Jennifer wants to purchase a book but only has $62 .10 to spend what is the maximum number of pages she could have in her book?
x=_________________pages
Numerical answer please!

ANYONE PLEASE HELP PLEASEE
Mathematics
1 answer:
Mrac [35]3 years ago
6 0
Plug in instead of P $62.10. Then we get
62.1 = (20 + 0.5x) + 0.15(20+0.5x)
62.1 = 20 + 3 + 0.5x + 0.075x
0.575x = 39.1
x = 68
So, x = 68 pages.
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Harman [31]

Answer:

D

Step-by-step explanation:

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8 0
3 years ago
Two persons start running simultaneously from a certain point, one towards south and another towards east. After 2 hours, the di
Volgvan

The Pythagorean theorem is sometimes known as Pythagoras' theorem. The speed of the faster person is 40 kmph.

<h3>What is Pythagoras' theorem?</h3>

The Pythagorean theorem, sometimes known as Pythagoras' theorem, is a basic relationship between the three sides of a right triangle in Euclidean geometry. The size of the square whose side is the hypotenuse is equal to the sum of the areas of the squares on the other two sides, according to this rule.

Let the speed of one person be represented by x, then the speed of the other person, if the speed of the second person is 75% of the first.

  • Speed of first-person = x
  • Speed of second-person = 75% of Speed of first-person = 0.75x

Now, the distance covered by two persons in 2 hours is,

  • Distance covered by the first-person = x × 2 = 2x
  • Distance covered by the second-person = 0.75x × 2 = 1.5x

Since one person runs towards the south and another towards the east. Therefore, will form a 90° angle between their directions.

Now, the distance between the two after two hours is 100 km, therefore, we can write,

(2x)² + (1.5x)² = 100²

4x² + 2.25x² = 10000

6.25x² = 10000

x² = 10000/6.25

x² = 1600

x = √1600

x = 40

Hence, the speed of the faster person is 40 kmph.

Learn more about Pythagoras' Theorem here:

brainly.com/question/14461977

#SPJ4

6 0
1 year ago
Please help!!
garik1379 [7]

Given:

The radius of the cone = 14 ft

The slant height of the cone = 27 ft

To find the lateral surface area and the total surface area of the given cone.

Formula

The lateral surface area of the cone is

LSA = \pi rl and

The total surface area of the cone is

TSA = \pi r^{2} + \pi r l

where,

r be the radius and

l be the slant height of the cone.

Now

Taking r = 14 and l = 27 we get

LSA = \pi (14)(27) sq ft

or, LSA = 1187.5 sq ft

Again,

TSA = \pi(14^2)+\pi (14)(27) sq ft

or,TSA = 1803.3 sq ft

Hence,

The lateral surface area of the cone is 1187.5 sq ft and the total surface area of the cone is 1803.3 sq ft. Option C.

5 0
3 years ago
Round to the nearest tenth 10.357
madam [21]
The answer is 10.4 because 5 is counted as higher so it's 10.4.
5 0
3 years ago
Read 2 more answers
To walk to her friend's house, Cristal normally walks 63 yards north and 16 yards east as shown. How many
ANEK [815]

Answer:

65 yd

Step-by-step explanation:

The image of this walking path of Cristal is missing, so i have attached it.

From the image attached, we can see that the path "x" is the hypotenuse path a the triangle.

Thus, we can use pythagoras theorem to find the area. Thus;

x² = 16² + 63²

x = √(16² + 63²)

x = √4225

x = 65 yd

5 0
3 years ago
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