Numerade

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Force Completion This test can be saved and resumed at any point until time has expired. The timer will continue to run if you leave the test. Your answers are saved automatically. Remaining Time: 25 minutes, 23 seconds. Question Completion Status: ▲ Moving to another question will save this response. Question 8 Under the gross method, purchase discounts taken are: Deducted from inventory purchased. • Deducted from purchase allowances. Added to net purchases. Added to interest income. →▲Moving to another question will save this response. Que 1 poin

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The towline exerts a force of P = 5.2 kN at the end of the 8-m-long crane boom. (Figure 1) Part A If $\theta = 30^\circ$ determine the placement $x$ of the hook at $B$ so that this force creates a maximum moment about poi Express your answer to three significant figures and include the appropriate units. $x =$ Value Units Submit Request Answer Part B What is this moment? Express your answer to three significant figures and include the appropriate units. Enter positive value if t moment is counterclockwise and negative value if the moment is clockwise. $(M_0)_{max} =$ Value Units Submit Request Answer Figure < 1 of 1 > Provide Feedback Next >

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Multiple Choice 10 points Which of the following substances would you not expect to find in significant amounts in normal urine? hydrogen ions sodium ions urea proteins

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11. The product, D, of the following sequence of reactions would be $$CH_3CH_2COH \xrightarrow{SOCl_2} A \xrightarrow[AlCl_3]{toluene} B \xrightarrow[HCl]{Zn(Hg)} D$$ + C (discard) 12. What would be the product of the following reaction sequence? OH i) $$PCl_3$$ ii) $$C_6H_6, AlCl_3$$ iii) $$NaBH_4, H_2O$$ ? I II III IV V OH 13. Which of the following is a synthesis of 3-heptanone? A) $$CH_3CH_2CH_2CH_2CH_2OH \xrightarrow[CH_2Cl_2]{PCC} \xrightarrow{1. CH_3CH_2MgBr} \xrightarrow{2. H_3O^+} H_2Cr_2O_4$$ acetone B) $$CH_3CH_2CN \xrightarrow[ether]{CH_3(CH_2)_2CH_2Li} H_3O^+$$ C) $$CH_3CH_2CH_2CH_2OH \xrightarrow[ether]{PBr_3} \xrightarrow{NaCN} \xrightarrow[ether]{CH_3CH_2MgBr} H_3O^+$$ D) $$CH_3CH_2CH_2CH_2CH_2OH \xrightarrow[OH^-, \Delta]{KMnO_4} \xrightarrow{H_3O^+} \xrightarrow[ether]{2 CH_3CH_2Li} H_2O$$ E) All of the above are syntheses of 3-heptanone.

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5. Iron(II) sulfide reacts with hydrochloric acid (HCl) according to the following reaction. If a reaction mixture initially contains 0.652 mole of HCl and 0.223 mole of Iron(II) sulfide, how many moles of the excess reactant will remain once the limiting reactant has been used up? $FeS_{(s)} + 2HCl_{(aq)} \rightarrow FeCl_{2(aq)} + H_2S_{(g)}$

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• Develop RFM scores and ranks for each customer • Create another visual -- days since last purchase (note variable today() can be used to get today’s date)

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PSYC 315: Psychological Statistics 3. Is there a linear relationship between Age and Consecutive Months logged into social media accounts? Complete the full hypothesis testing to examine this relationship and draw all appropriate conclusions. Compute both the Pearson $r$ correlation and the regression line formula. (20 points) Age Months I 55 69 51 43 36 33 30 23 46 46 a. Calculate the Pearson $r$ correlation statistic and decide whether it is significant or not. b. Calculate the slope ($b$) and the y-intercept ($a$) in order to determine the regression line in order to predict Months from Age.

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QUESTION 1 Look at the following regression output. Y = Dealer List Price and X = Dealer Invoice Price Both variables are given in thousands of dollars and go out one decimal place. A dealer list price of $24,600 would be expressed as 24.6) Regression Statistics Multiple R 0.904827846 R Square 0.81871343 Adjusted R Square 0.773391788 Standard Error 0.618233385 Observations 6 Intercept Invoice Prices Coefficients Standard Error $t$ Stat P-value -3.884425 4.16062896 -0.9336 0.40336 1.417758 0.333571611 4.25024 0.0132 True or false? At the .01 level of significance, the dealer input price is related to the Dealer List Price. True False QUESTION 2

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1) (25 Points) The transfer function of a mechanical system is: $G(s) = \frac{Y(s)}{U(s)} = \frac{8s + 600}{4s^2 + 60s + 2500}$ This system is initially at rest when we apply a step input of u(t) = 25 N Answer the following (show your thoughts, work etc, not just the answer): a) Is the transient response oscillatory? If it is, what is the oscillation frequency of the transient response? b) What is the settling time? c) How many cycles it takes until it settles? d) What is the final value for Y?

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(2) 50 kg of a certain gas is contained within the piston-cylinder assembly. The gas undergoes a process which the is PV$^n$ constant (n=1.5). The given conditions as follows; p1=6 bars,v1=0.2 cubic meters, v2=0.4 cubic meters, the change of internal energy=10.5 kJ/kg. (Hints:KE=PE=0, 1 bar=100,000 N/sq.m, 1kJ=1000 N.m. W=((p1v1)ln(v2/v1) or W=(p2v2- p1v1)/(1-n) (a) Find P2 in bars (b) Find the Work in kJ for n=1.5 (c) Find the net heat transfer for the process, in kJ. (3) Which of the following is a standard cycle of steam turbine?() (a)Rankine cycle(b) Carnot cycle(c)Brayton cycle(d)Otto cycle (4) For MSU power plant visit field trip. List(a) the steam flow rate of main campus in pounds/hr: ( ) (b) Boiler Exit Temperature in K: (

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matthew m.