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3 years ago

Decrypt the message BNW MVX WNH if it was encrypted using a cypher shift with a shift 9 mapping

Mathematics

1 answer:

Assoli18 [71]3 years ago

7 0

Answer:

SEND MONEY

Step-by-step explanation:

A cypher shift encrypts a message by shifting each letter a certain number of places.

For example, N is the 14th letter of the alphabet.

If we shift 9 places to the left, we get the 5th letter of the alphabet, which is E.

Or, if we shift 9 places to the right, we get the 23rd letter of the alphabet, which is W.

Assuming the shift is to the left:

B = 2

2 − 9 = -7

-7 + 26 = 19

19 = S

N = 14

14 − 9 = 5

5 = E

W = 23

23 − 9 = 14

14 = N

M = 13

13 − 9 = 4

4 = D

V = 22

22 − 9 = 13

13 = M

X = 24

24 − 9 = 15

15 = O

W = N

N = E

H = 8

8 − 9 = -1

-1 + 26 = 25

25 = Y

SEN DMO NEY

SEND MONEY

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The curved urface area of a cone i 140π cm2. What will be the radiu of a cone whoe lant height i 5 cm

VashaNatasha [74]

The radius of a cone with a curved surface area of 140π cm² and a slant height of 5 cm will be 28 cm.

<h3>What is curved surface area?</h3>

The region with just curved surfaces, leaving the circular top and base, is referred to as the curved surface area. Total Surface Area is the combined area of the bases and the curved surface. The measurement of a solid's curved surface area is its outer area, which excludes the top and bottom extensions. Surface area of the cylinder that is curved: A right circular cylinder is the solid that results when a rectangle circles around one side and makes a full revolution. The curved surface area of a cylinder (CSA) is also known as the lateral surface area and is defined as the area of the curved surface of any given cylinder having a base radius "r" and height "h".

Here,

Curved surface area of cone=πrl

=140π

l=5 cm

140π=πr*5

r=140/5

r=28 cm

The radius of cone that has 5 cm as slant height and 140π cm² as the curved surface area will be 28 cm.

To know more about curved surface area,

brainly.com/question/1037971

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7 0

2 years ago

Leslie has a rectangular patio. She measures it and finds out it is 2135 feet long by 1115 feet wide. She wants to know how many

larisa86 [58]

Answer: (1) Leslie will need 2,380,525 square tiles (1 foot by 1 foot each)

(2) She will have to spend $1,785,393.75 to cover her patio.

Step-by-step explanation: Please refer to the picture attached.

The rectangular patio has been designed and as shown in the diagram has on side measuring 2135 ft and the other side measuring 1115 ft. This means, in order to cover the entire patio, she would have to cover an entire area defined as 2,135 feet into 1,115 feet. If one tile measures 1 foot long by 1 foot wide, the total number of tiles to cover the patio can simply be derived as;

Area = L x W

Where the length is 2135 and the width is 1115,

Area = 2135 x 1115

Area = 2380525

**Having in mind that one tile measures 1 ft by 1 ft, the area of each tile is given as

Area = L x W

Area = 1 x 1

Area = 1 square foot**

(1) The above calculation shows that Leslie would be using up a total of 2,380,525 square tiles to completely cover her patio.

(2) Having been told that each square foot of tile costs 75 cents ($0.75), the total amount spent to cover her patio would be calculated as follows;

Cost = Area x cost per tile

Cost = 2380525 x 0.75

Cost = 1785393.75

The total cost therefore is $1,785,393.75