We have encoded a message by assigning the numbers 1 - 26 to the letters a - z of the alphabet, respectively, and assigning 27 to a blank space. We have further encoded it by using an encoding matrix. Decode this message by finding the inverse of the encoding matrix and multiplying it times the coded message.The encoding matrix is A =
and the encoded message is 88, 103, 115, 84, 99, 104, 41, 43, 46, 40, 49, 45, 86, 91, 113, 52, 61, 65.
Fill in the blank(s) with the appropriate word(s).
do not believe him
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Convert the given unit of measure to the measure shown.5.28 kilograms to grams
A. 0.0528 gram B. 5280 grams C. 528 grams D. 0.00528 gram
Find the exact value of the expression in degrees without using a calculator or table.arctan
A. -135° B. 45° C. 225° D. -45°
Solve the problem.A rock falls from a tower that is 288 feet high. As it is falling, its height is given by the formula How many seconds (in tenths) will it take for the rock to hit the ground (h = 0)?
A. 17 sec B. 4.2 sec C. 5184 sec D. 16.5 sec
Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = (x - 4)2(x2 - 25)
A. 4, touches the x-axis and turns around; -5, crosses the x-axis; 5, crosses the x-axis B. 4, touches the x-axis and turns around; 25, touches the x-axis and turns around C. -4, touches the x-axis and turns around; 25, crosses the x-axis D. 4, touches the x-axis and turns around; -5, touches the x-axis and turns around; 5, touches the x-axis and turns around