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find 3 Calculere dit autores de maxim beodina moment of the I ... Pulluk 1500) 15...
Can we find this without use of the moment
generating function?
3. (15 pts) Let Xị and X2 be two independent random variables that follow standard normal distribution. The PDF of a standard normal distribution is given by f(t)= exp-/2; - <t<0.. i) Find the joint PDF of V = X1 + X2 and Y2 = X1 - X). ii) Prove that Yi and Y2 are independent. R ONALEN SON
for the beam shown, using moment area method, i) find P such that deflection at D is equal to zero, and ii) find the maximum deflections and locations in spans BC and DE. El is constant. Note: think about how you would solve this problem with double integration.
Find Moment, Shear, reactions Rs 45 KN (30) (3) = 450 HD -15): 1,3)=0 Dy = 15 h
(a) The graph H is given by the picture (i What is the maxim possible value of the chromatic number x(H) provided by Brooks' Theorem? Justify your answer as What is the exact value of x(H)? Justify your answer ii the possible values of the edge chromatic number y(H) iii) What are as provided by Vizing's Theorem? (iv) What is the exact value of x'(H)? Justify your answer (i) Find all graphs G whose chromatic polynomials have the form PG(t)...
marr 13%
the
MARR is 12%
Consider the following investment projects: 1 AC DE 0-1500-2000-2100-1000 1 3000 1560 2800 3600 2-1500 944 -200 -5700 3 15 0 0 100 a) For each project, apply the sign rule to predict the number of possible IRR's b) Classify each project as either a simple or a non-simple investment. c) For each project, plot the NPW profile as a function of i between 0 and 120%. d) For each project, compute the value(s)...
3. Determine the internal loading at the center of the beam. 3500 lb. 1500 lb./ft, down 45 degrees 2.5 ft 2.5 ft 15 ft. DE of the
find integral
I secr tan r dr (e) 2e4x de voin (a) de
2. ( 15 ) Say x(t)s sin( 2rrIc t + Tr/3) de a. (5) Find RCt), the Hilbent ransform of x(C) b. (5) Find the analytic signal X,,(t)=2.1x(t)+D(t)]. c. (5) Find Xp (O) and draw the double-sided spectrum (amplitude and phase). stant
2. Find the values of I and V for the circuit of Figure 3, assuming that the diodes are ideal without forward bias voltage. +15V - +15V W SkΩ 10102 1.542 Dit DI 66 448 D: Ben D: @ wetu V 1212 -15V (c) Figure 3
5.1-3) Moment-Distribution Beams, Determine the reactions using moment distribution and construct the shear and moment diagrams for the beam. The beam is non-prismatic having the I-values shown. Given: E -29,000 ksi 15 kips 30 kips 30 kips 75000 in 110,000 in4 I 5000 in4 77n. K- 10'1015'10- 1015'