Identify most likely value for x
BHx
CHx
NHx
CH2Clx
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BHx ------ BH3
value of x = 3 , becuase boron valency is 3
CHx - --- CH4
value of x = 4 , becuase carbon valency is 4
NHx ------- NH3
value of x = 3 , becuase Nitrogen valency is 3
CH2Clx ------ CH2Cl2
value of x = 2 , becuase boron valency is 4
Identify most likely value for x BHx CHx NHx CH2Clx Please show work! Thanks!
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=-x+ ay where a is a constant. 1) Consider the system y = -2y a) Show that the origin is a sink regardless of the value of a. b) Assumet solution vector of the system satisfying the initial con clit Describe, briefly, how the solutions x(t) and y(t), for t 20, depend on the value of a.
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Determine whether or not S = {(x, 2x)|x is a real number} is a vector space or not.
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(2) Express the solution of the given initial-value problem in terms of an integral-defined function. 3,94 + (6 cosa)y=f, y0)=1
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Question 2. Consider a variable x that describes the number of under-inflated tire on a four-wheel automobile. The mass function is given by: p(0) 0.4, p(1) p(2) p(3) 0.1; p(4) 0.3 a) Verify that this is a proper mass function. b) Determine the expected value and the variance of this distribution. mean value?
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T/4 3. Evaluate the integral 6.** (sec x(sec x – tan x)) dx
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What pH would be neutral if Kw = 6.40 x 10-14? Please show all work. Thanks!
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3. The joint pdf for random variables X and Y is given by 0 otherwise (a) Determine the value of c that makes this a valid joint pdf. (b) Determine P(X<3,Y< 2). (c) What is the marginal pdf of Y?
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Show that the system of differential equations is Hamiltonian, and find a Hamiltonian function H(x,y). You may assume that H(0,0) = 0. 3y2 - 2.c dx dt dy dt 6x2 + 2y