A code breaker intercepts the encoded message below. 45 35 38 30 18 18 35 30 81
Question:
45 35 38 30 18 18 35 30 81 60
42 28 75 55 2 2 22 21 15 10
(a) You know that
Where A-1 is the inverse of the encoding matrix A. Write and solve two systems of equations to fine w, x, y, z.
(b) Decode the message.
Transcribed Image Text:
х Let A-1 Z. [45 – 35]A-1 = [10 [38 – 30]A-1 = [8 14] 15]
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 90% (11 reviews)
a 45w 35y 10 45x 35...View the full answer
Answered By
AJIN KURIAKOSE
I HAVE ELECTRONICS ENGINEERING DEGREE..AND MY AREA OF INTEREST IS MATHEMATICS,CONTROL SYSTEM,NETWORK,DIGITAL
4.70+
21+ Reviews
32+ Question Solved
Related Book For
Question Posted:
Students also viewed these Calculus questions
-
The cryptogram below was encoded with a 2 2 matrix. 5 2 25 11 2 7 15 15 32 14 8 13 38 19 19 19 37 16 The last word of the message is _SUE. What is the message?
-
Until 2005, the UPC bar code had 12 digits (09). The first six digits represent the manufacturer, the next five represent the product, and the last is a check digit. (a) How many different...
-
Match each five number summary with one of the histograms in Figure 2.23. (a) (0, 0.25, 0.5, 0.75, 1) (b) (1.08, 0.30, 0.01, 0.35, 1.27) (c) (0.64, 27.25, 53.16, 100, 275.7) (d) (3.5, 0.63, 0.11,...
-
Kenneth Tully and Toby Benning began a new consulting business on January 1, 2020. They organized the business as a C corporation, KT, Inc. During 2020, the corporation was successful and generated...
-
An ideal-gas mixture consists of 2 kmol of N2 and 4 kmol of CO2. The apparent gas constant of the mixture is (a) 0.215 kJ/kg = K (b) 0.225 kJ/kg - K (c) 0.243 kJ/kg - K (d) 0.875 kJ/kg = K (e) 1.24...
-
Describe the test for determining whether a governmental fund is a major fund. Describe the test for determining whether an enterprise fund is a major fund.
-
A company is conducting a phone survey of randomly selected individuals to determine the ages of social networking site users. So far, 975 social networking site users have been surveyed. The...
-
Perform the following estimations without using ca calculator. (a) Estimate the mass of water (kg) in an Olympic-size swimming pool. (b) A drinking glass is being filled from a pitcher. Estimate the...
-
This assignment is focused on project selection and the underlying factors used to make this determination. You will need to use the readings/videos, the previous learning modules, along with some...
-
Alexis Martin has just graduated from college and needs to buy a car to commute to work. She estimates that she can afford to pay about $450 per month for a loan or lease and has about $2,000 in...
-
Use the inverse of A to decode the cryptogram. 23 13 34 31 34 63 25 17 61 24 14 37 41 17 8 20 29 40 38 56 116 13 11 1 22 3 6 41 53 85 28 32 16 21 [1 -2 1 -3 A = -1 4
-
The matrices show the male and female populations in the United States in 2011 and 2014. The male and female populations are separated into three age groups. (a) The total population in 2011 was...
-
A turbine receives air at 1500 K, 1000 kPa and expands it to 100 kPa. The turbine has an isentropic efficiency of 85%. Find the actual turbine exit air temperature and the specific entropy increase...
-
Mr . Ricelander uses a rope to hoist a 9 . 8 6 kg mallet from the floor to the ceiling at a constant speed of 1 . 2 1 m / s for a displacement of 5 . 3 9 meters. Determine the work done on the mallet...
-
mr spahn fills up his gas tank in iceland where the currency used is iclandic krona ( isk ) . One us dollar is equivalent to 1 4 4 krona ( $ 1 = 1 4 4 Krona ) and gasoline costs 3 2 5 krona per liter...
-
Find the attractive force ( in newtons ) between a 6 . 7 0 x 1 0 - 5 coulomb point charge and a - 7 . 7 9 x 1 0 - 5 coulomb point charge that are separated by 0 . 0 7 meters.
-
A rocket engineer pumps liquid propane and hydrogen to a rocket engine. The rocket engine is filled up completely. Then, rocket is ignited and accelerated up to the sky in a very fast way. Please...
-
A dust particle has an excess change of 4 . 0 \ x 1 0 ^ 6 electrons and a mass of 4 . 0 \ x 1 0 ^ 8 g . It is initially held at d = 1 . 0 x 1 0 ^ 3 m directly above a fixed object of the same size...
-
If a taxpayer has $40,000 of employee salary in 2018, how much will be withheld for the Social Security and Medicare taxes?
-
Can partitioned join be used for r r.A s? Explain your answer
-
In Exercises, use sigma notation to write the sum. 1 + 3(1) 1 3(2) + 1 3(3) + + 1 3(10)
-
In Exercises, use the properties of summation and Theorem 4.2 to evaluate the sum. Data from in Theorem 4.2 THEOREM 4.2 Summation Formulas 1. c = cn, c is a constant n(n + 1)(2n + 1) 6 n 3. 2. 4. n...
-
In Exercises, use the properties of summation and Theorem 4.2 to evaluate the sum. Data from in Theorem 4.2 THEOREM 4.2 Summation Formulas 1. c = cn, c is a constant n(n + 1)(2n + 1) 6 n 3. 2. 4. n...
-
Khairul bought a television set with cash price of Rm6000. He paid a 10% down payment and the balance was settled by making a 24 monthly payments . If the interest was 8% per annum on the original...
-
Suppose a company produces a perpetual cash flow of $25 million per year and is expected to continue doing so in the infinite future. The company's capital structure currently consists entirely of...
-
The future price of Gold for August 2022 delivery is $1,920. Future contracts are for 100 ounce of gold and assume that the margin requirement is $6,000 per contract and the maintenance margin...
Study smarter with the SolutionInn App