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1 a psychologist developed a test designed to help predict whether production-line workers in a large industry will perform satisfactorily a test was
mai iss 3 years younger than twice the age of her brother if b represents the age of mai3939s brother which expression below represents mai3939s age
a given a norm jj jj on rn express the closed ball in rn of radius r with center c as a set b given a set a and a vector v all contained in rn
a an unordered pair fm ng with 1 le m ne n le 6 is called a duad list the 15 duadsb there are 15 ways to partition 1 6 into 3 duads such as 1 2
consider a discrete-time system that is characterized by the following difference equationyn xncos0nwhere 0 is constant value xnare the
a using interpolation give a polynomial f isin f11x of degree at most 3 satisfying f0 2 f2 3 f3 1 f7 6b what are all the polynomials in f11x
classify the following discrete-time signals as energy or power signals if the signal is of energy type find its energy otherwise find the average
derive for the filter from za and poles at zb andzc where a b c are the real constants the corresponding difference equation for what values
a digital filter has zero at za and poles at zb andzc where a b c are the real constants determine the transfer function and the frequency
verify the parseval theorem for the discrete-time signal xn and its dft from given equationscompute the linear convolution of the discrete-time
compute the linear convolution of the discrete-time signal xn 3 2 21 and the impulse response function of a filter hn 2 1 3 using the dft and the
determine the fundamental period of the following discrete-time signalxn 2sin4npi pi4 5sin16n 4sin 20n
questiona 22 kw 3-phase 415 v 40 a 50 hz 960 rpm 088 pf squirrel cage induction motor drives a pump the total inertia of the drives system is 12
a toy company produces 2 models of water guns spray king and zapper they are manufactured in batches for easier packaging and sale two of the
consider the following linear programming problemmin 12x118x2 x1 2x2 le
a convert z - 2 - 2i to polar formb find all the roots of the equation w3 - 2 - 2i plot the solutions on an argand
a car was machine washes every car in 5 minutes accurately it has been calculated that customers will arrive as per to a poisson distribution at an
1 the probability that a couple will have a child with black hair is 06if this couple has 7 children what isa the probability that exactly 3 of these
a school principal is looking at the combinations of subjects students are studyinghe learns that the probability that a student is studying
an engineer has 200 resistors that he keeps in one box resistors are colored to help their identification and in this box there are 30 white
1 suppose n equiv 7 mod 8 show that n ne x2 y2 z2 for any x y z epsilon z2 prove foralln epsilon z that n is divisible by 9 if and only if the sum
i am learning this at school today and i started getting confused which one is which can you help
aimto test the significant relationship between the accounting ratios of operating management and standard ideal ratiosnull hypothesish0 there is no
normal 0 false false false en-in x-none x-none
mr hoper is in charge of investments for the golden horizon company he estimates from past price fluctuations in the gold market that the