Numerade

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Problem #2 (20 pts): A wooden beam needs to be elongated for a renovation project. An extension is added by nailing (no glue) two wooden boards at the connection joint. Nails go all the way through both boards and the beam. Given: The nails have a diameter of 0.238 inches. The shear strength of the nails is 50 ksi. The beams have an axial load of 30 kips. Find: (1) The minimum number of nails you would need to install on each side (per beam) to prevent direct shear of the nails. Minimum number of nails on each side to prevent direct shear failure # of Nails Beam Boards Beam

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Consider the following information about a risky portfolio that you manage and a risk-free asset: E(rP)=10%,σP=22%,rf=4%.ErP=10%,σP=22%,rf=4%. Required: Your client wants to invest a proportion of her total investment budget in your risky fund to provide an expected rate of return on her overall or complete portfolio equal to 7%. What proportion should she invest in the risky portfolio, P, and what proportion in the risk-free asset? What will be the standard deviation of the rate of return on her portfolio? Another client wants the highest return possible subject to the constraint that you limit his standard deviation to be no more than 16.00%. Which client is more risk averse?

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Carbon is released from the Krebs cycle in the form of(hint: it is a waste product)? A NADH B Oxygen C Pyruvate D Glucose E CO2

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Find all $y$-intercepts and $x$-intercepts of the graph of the function.\\ $f(x) = 2x^3 - 2x^2 - 32x + 32$\ If there is more than one answer, separate them with commas.\ Click on \"None\" if applicable.

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Suppose the position of an object moving in a straight line is given by $s(t) = 3t^2 + 4t + 5$. Find the instantaneous velocity when $t = 2$.

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Type B personality test laid back calm and outgoing explain type B personality type

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Calculator - Using the matrix / membrane keypad develop an integer calculator to add, subtract and multiply up to three numbers. The results are to be displayed on the LEDs. You will need to carefully consider how to display results that are greater than 255 or negative (Hint: use an additional key to switch between the upper and lower 8-bits.). To increase the complexity, you can include division. When performing a division, the quotient and remainder can be displayed separately. Given that the ATmega32A has limited division support a reminder that division is repeated subtraction until a value of less than zero is obtained. Need both c code you can only use #include <avr/io.h>!!!!!!!!!!!!!!!!!!!!!!!!!!! keypad: 1|2|3|A 4|5|6|B 7|8|9|C *|0|#|D

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Which of the is mismatched? central nervous system - brain peripheral nervous system - spinal nerves somatic nervous system - sensory division of the PNS autonomic nervous system - sympathetic and parasympathetic divisions peripheral nervous system - sensory and motor divisions

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12.1 Consider the distillation column shown in Fig. 12.2. It would be reasonable to control the liquid level in the reflux drum, $h_D$, by manipulating either reflux flow rate, R, or distil- late flow rate, D. How would the nominal value of the reflux ratio ($R/D$) influence your choice? As a specific example, as- sume that $R/D = 4$. 12.2 A stirred-tank blending system with a bypass stream is shown in Fig. E12.2. The control objective is to control the composition of a key component in the exit stream, $x_4$. The chief disturbance variables are the mass fractions of the key component in the inlet streams, $x_1$ and $x_2$. Using the following information, discuss which flow rate should be selected as the manipulated variable: (i) inlet flow rate $w_2$, (ii) the bypass fraction $f$, or (iii) exit flow rate, $w_4$. Your choice should reflect both steady-state and dynamic considerations.

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Question 5 How many vectors can represent a line given by vector \vec{v} = (-3, -5, 1) + t(7, 2, 3) Why is your answer correct?

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