Agnes can produce either 1 unit of X or 1 unit of Y in an hour, while Brenda can produce either 2 units of X or 4 units of Y in an hour.

Given the above fact, the opportunity cost of producing a unit of X is

1.    Under which conditions would the lac operon produce the greatest amount of ?-galactosidase? The least? Explain your reasoning.

                                    Lactose present     Glucose Present

            Condition 1               Yes                             No

            Condition 2               No                               Yes

            Condition 3               Yes                             Yes

            Condition 4               No                               No

Based on the MIRR of the following project, using the Reinvestment approach and a discount rate of 13.38 percent, should the project be accepted? Answer 1 if Yes and 0 if No.

A 100 Hz AC voltage source, with a peak output of 170 V, is connected to an inductor. If the rms current through the inductor is 1 A, what is the value of the inductor?

1. 1.9 H

2. 190 mH

3. 19 mH

4. 1.9 mH

50mL of solution in which the analytical concentration of benzoic acid is 0.124 M is titrated with 0.261 M NaOH; if V_e is the volume needed to reach the endpoint, what is the pH at 0 Ve, 1/4 Ve, 1/2 Ve, Ve, and 1.212 Ve?

On January 1, 2017, Brussels Enterprises issues bonds at par dated January 1, 2017, that have a $2,600,000 par value, mature in 4 years, and pay 9% interest semiannually on June 30 and December 31.

1. Record the entry for the issuance of bonds for cash on January 1, 2017.
2. Record the entry for the first semiannual interest payment on June 30, 2017.
3. Record the entry for the second semiannual interest payment on December 31, 2017.
4. Record the entry for the maturity of the bonds on December 31, 2020 (assume semiannual interest is already recorded).
  

For the following core processors state the main characteristics and latest features that added to the processor.

1- Core Duo

2- Core Solo

3-Core 2 Solo       

4-Core 2 Duo            

5- Core 2 Quad

6- Core 2 Extreme

7- Core i3     

8- Core i5      

9- Core i7     

10- Core i9

A complex ion is a species in which a central metal ion is attached to a group of surrounding ions or molecules by coordinate covalent bonds. The surrounding species are called ligands. Within a ligand, the atoms that are directly attached to the metal ion (or atom) are called donor atoms. Most ligands contain a single donor atom (monodentate), but some contain two donor atoms (bidentate), six donor atoms (hexadentate), or another combination of donor atoms. A complex ion that is associated with one or more counter ions is called a coordination compound. For example [PdCl4]2− is a complex ion, and Na[PdCl4] is a coordination compound. The following table lists some common ligands.

The coordination number for a complex is the total number of donor atoms surrounding the central atom. The overall charge on a complex is the sum of the charges of the metal and all the ligands.

Part A

What is the coordination number for each of the following complexes or compounds?

a) [Co(NH3)4Cl2]+

b) [Pb(EDTA)]2−

c) [Pt(NH3)4]2+

d) [Ag(NH3)2]NO3

Part B

What is the charge on each of the following complex ions?

a) hexaaquachromium(II), [Cr(H2O)6]?

b) tris(carbonato)aluminate(III), [Al(CO3)3]?

c) amminepentachloroplatinate(IV), [Pt(NH3)Cl5]?

Part C

What is the oxidation number of the central metal ion in each of the following complexes or compounds?

a) [NiCl2Br2]2−

b) [Cr(H2O)2(NH3)4]3+

c) Na[Ag(CN)2]

Tombro Industries is in the process of automating one of its plants and developing a flexible manufacturing system. The company is finding it necessary to make many changes in operating procedures. Progress has been slow, particularly in trying to develop new performance measures for the factory.

In an effort to evaluate performance and determine where improvements can be made, management has gathered the following data relating to activities over the last four months:

The president has read in industry journals that throughput time, MCE, and delivery cycle time are important measures of performance, but no one is sure how they are computed. You have been asked to assist the company, and you have gathered the following data relating to these measures:

Required:

1-a. Compute the throughput time for each month.

1-b. Compute the manufacturing cycle efficiency (MCE) for each month.

1-c. Compute the delivery cycle time for each month.

3-a. Refer to the inspection time, process time, and so forth, given for month 4. Assume that in month 5 the inspection time, process time, and so forth, are the same as for month 4, except that the company is able to completely eliminate the queue time during production using Lean Production. Compute the new throughput time and MCE.

3-b. Refer to the inspection time, process time, and so forth, given for month 4. Assume that in month 6 the inspection time, process time, and so forth, are the same as in month 4, except that the company is able to eliminate both the queue time during production and the inspection time using Lean Production. Compute the new throughput time and MCE.

1-a. Compute the throughput time for each month.

1-b. Compute the manufacturing cycle efficiency (MCE) for each month.

1-c. Compute the delivery cycle time for each month.

(Round your answers to 1 decimal place.)

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3-a. (Month 5) Refer to the inspection time, process time, and so forth, given for month 4. Assume that in month 5 the inspection time, process time, and so forth, are the same as for month 4, except that the company is able to completely eliminate the queue time during production using Lean Production. Compute the new throughput time and MCE.

3-b. (Month 6) Refer to the inspection time, process time, and so forth, given for month 4. Assume that in month 6 the inspection time, process time, and so forth, are the same as in month 4, except that the company is able to eliminate both the queue time during production and the inspection time using Lean Production. Compute the new throughput time and MCE.

(Round your answers to 1 decimal place.)

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To test for any significant difference in the number of hours between breakdowns for four machines, the following data were obtained.

Use Fisher's LSD procedure to test for the equality of the means for machines 2 and 4. Use a 0.05 level of significance.

Find the value of LSD. (Round your answer to two decimal places.)

LSD = __________.

Find the pairwise absolute difference between sample means for machines 2 and 4.

[x₂ − x₄]=_______.