1. A company produces three combinations of mixed vegetables that sell in​ 1-kg packages. Italian style combines 0.4 kg of​ zucchini, 0.4 kg of​ broccoli, and 0.2 kg of carrots. French style combines 0.5 kg of broccoli and 0.5 kg of carrots. Oriental style combines 0.2 kg of​ zucchini, 0.3 kg of​ broccoli, and 0.5 kg of carrots. The company has a stock of 18,000 kg of​ zucchini, 30,200 kg of​ broccoli, and 36,800 kg of carrots. How many packages of each style should it prepare to use up existing​ supplies?

2. A knitting shop orders yarn from three suppliers in​ Toronto, Montreal, and Ottawa. One month the shop ordered a total of 108 units of yarn from these suppliers. The delivery costs were ​$82,​ $45​, and ​$67 per unit for the orders from​ Toronto, Montreal, and​ Ottawa, respectively, with total delivery costs of ​$6453. The shop ordered the same amount from Toronto and Ottawa. How many units were ordered from each​ supplier?

3. Use the​ Gauss-Jordan method to solve the following system of equations.

9.3. Jean Clark is the manager of the Midtown Saveway Grocery Store. She now needs to replenish her supply of strawberries. Her regular supplier can provide as many cases as she wants. However, because these strawberries already are very ripe, she will need to sell them tomorrow and then discard any that remain unsold. Jean estimates that she will be able to sell 10, 11, 12, or 13 cases tomorrow. She can purchase the strawberries for $3 per case and sell them for $8 per case. Jean now needs to decide how many cases to purchase.

Jean has checked the store’s records on daily sales of strawberries. On this basis, she estimates that the prior probabilities are 0.2, 0.4, 0.3, and 0.1 for being able to sell 10, 11, 12, and 13 cases of strawberries tomorrow.

ack Hammer Company completed the following transactions. The annual accounting period ends December 31.

Required:

1. For each listed transaction and related adjusting entry, indicate the accounts, amounts, and effects on the accounting equation.
2. For each item, indicate whether the debt-to-assets ratio is increased or decreased or there is no change. (Assume Jack Hammer’s debt-to-assets ratio is less than 1.0.)

For each listed transaction and related adjusting entry, indicate the accounts, amounts, and effects on the accounting equation. (Do not round intermediate calculations. Round your answers to the nearest whole dollar. Enter any decreases to assets, liabilities, or stockholders equity with a minus sign. Enter your answers in transaction order provided in the problem statement.)

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For each item, indicate whether the debt-to-assets ratio is increased or decreased or there is no change. (Assume Jack Hammer’s debt-to-assets ratio is less than 1.0.) (Enter your answers in transaction order provided in the problem statement.)

1.Make a table in your notebook with the anions on one axis and the cations on the other axis. Make the boxes in the table large enough that you can write down values as well as observations.

Anions: NO₃^-, CO₃^2-, SO₄^2-

Cations: K⁺, Sr²⁺, Ag⁺

2.Look up and write down the value for solubility at 20 °C of each of each of the 9 resulting salts in the table (a value, not soluble/insoluble). It may help to use the “find” function in your web browser in the Wikipedia solubility table. Make sure you write down the units of the solubility.

3.Clean nine small test tubes with soap and water, rinse them with deionized water, shake the water out of them, and place them in a test tube rack. Add a few drops of the 0.10 M solutions that contain the ions on the table to the test tubes (pay attention to the concentrations on the bottles). Be sure to replace the droppers in their correct bottles. Mix the contents of the tube thoroughly by holding the top of the tube and snapping the bottom of the tube with your finger. Observe each tube for a precipitate. Record your observations in your table. Be sure to record the concentrations of solutions from the bottles.

4.Try mixing Ag⁺ and SO₄^2- again, but this time try using the 1.0 M Ag⁺ with 1.0 M SO₄^2-.

QUESTIONS

1. Look at the solubility guidelines below. Which of these are observable in your data?

2. When a precipitate forms, do any of the ions involved in the precipitate stay in solution?

3. Are there more strontium ions in solution in the presence of equal concentrations of carbonate or sulfate (use the solubility values you looked up to help)?

Solubility Guidelines

Please provide your thoughts about the below paragrahp regarding stocks and returns:

Asset Pricing Model and how investors can use it to research stocks they are looking at investing in. In other words, the return that investors expect to earn on a risky asset equals the risk-free rate plus a risk premium (Smart, Gitman & Joehnk). Investors expect a return on an investment higher then they can receive with a risk free asset. Historically the 10-year US Treasury bond has been the benchmark of a risk free asset. Since the government of the United States has the ability to print money it is assumed that they will always pay their debts. Also US treasury securities have been some of the most sought after risk free investments in the world. We discussed the concept of diversification and how that can lower the overall risk of a portfolio. You will never be able to completely eliminate risk so investors will require a higher return for riskier assets. The market classifies riskiness of an investment by the beta.

Beta is a measure of undiversifiable risk. A security’s beta indicates how the security’s return responds to fluctuations in market returns, which is why market risk is synonymous with undiversifiable risk (Smart, Gitman & Joehnk). We will use the beta in the CAPM equation to quantify the expected return that an investor will require on two stocks below:

The CAPM equation is the Risk Free Rate + Beta (Expected Market Return – Risk Free Rate). The part of the equation in the parentheses is classified as the risk premium.

Ford Motor Company

2.8% + .85 (8.0% - 2.8%)= 7.22%

Bank of America

2.8% + 1.62 (8.0% - 2.8%)= 11.22%

As the beta increases the return required by an investor also increases. The farther above 1.0 that a beta increases the riskier that security is. As discussed earlier beta is the measure of how sensitive a security is to fluctuations in the market. A security with a beta of .5 is one half as responsive as the market. A beta of 1.0 is the market benchmark. A beta of 2.0 is twice as responsive as the market. This can mean that you can reap greater returns or greater losses then the overall market. This is the risk that an investor is trying to quantify with this model and beta can be useful tool. It is important to note that the CAPM does have some limitations. Betas are usually based on historical data and this could cause some issues. Company’s risk profile can change often due to market conditions so beta should be only a tool in the toolbox not the only answer.

DataSpan, Inc., automated its plant at the start of the current year and installed a flexible manufacturing system. The company is also evaluating its suppliers and moving toward Lean Production. Many adjustment problems have been encountered, including problems relating to performance measurement. After much study, the company has decided to use the performance measures below, and it has gathered data relating to these measures for the first four months of operations.

Management has asked for your help in computing throughput time, delivery cycle time, and MCE. The following average times have been logged over the last four months:

Required:

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

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

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

2. Evaluate the company’s performance over the last four months.

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

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

Update your program from Homework 4, number 2 (Hat, Jacket, and Waist size) to allow the user to repeat the calculation as many times as they wish. Include error handling - the program should throw an error if the user enters invalid input (ie. a negative height). The program must use try, throw and catch and must use the runtime_error kind of how I used it but it still has to be debugged.

#include <iostream>

#include <exception>

using namespace std;

double hat(double,double);

double jacket(double,double,int);

double waist(double,double,int);

int main ()

{

double height = 0.0, weight = 0.0;

int age = 0;

char answer;

do

{

try{

if (height <= 0){

throw runtime_error ("Error: Invalid input of height ");

}

cout << "Enter your height in inches: ";

cin >> height;

}catch (const runtime_error& e){

cerr << e.what ();

}

try{

if (weight <= 0){

throw runtime_error ("Error: Invalid input of pounds ");

}

cout << "Enter your weight in pounds: ";

cin >> weight;

}catch (const runtime_error& e){

cerr << e.what ();

}

try{

if (age <= 0){

throw runtime_error ("Error: Invalid input of age ");

}

cout << "Enter your age: ";

cin >> age;

}catch (const runtime_error& e){

cerr << e.what ();

}

cout << "\nYour Hat size is: " << hat(weight ,height);

cout << "\nYour Jacket size is: "<< jacket( height, weight, age);

cout << "\nYour Waist size is: "<< waist( height, weight, age);

cout << "\nWould you like to continue (y/n)? ";

cin>>answer;

}

while((answer) == 'y');

return 0;

}

double hat(double weight ,double height)

{

return ((weight/height) * 2.9);

}

double jacket(double height,double weight,int age)

{

double size;

int j;

if (age>=30)

{

if((age % 10) !=0)

age = age-(age%10);

j= (age-30)/10;

size =((height * weight) / 288)+((1.0/8)*j);

}

else

size =((height * weight) / 288);

return size;

}

double waist(double height,double weight,int age)

{

double size2;

int w;

if(age >= 28)

{

if((age % 2) !=0)

age = age-(age%2);

w = (age-28)/2;

size2 = (weight/(5.7))+( (1.0/10)*w);

}

else

size2 = weight / (5.7);

return size2;

}

1. A healthy diastolic blood pressure at the level of the heart is about 104 Pa. Assuming blood has a density of 1.1 g/cm3, what is the diastolic blood pressure in the feet of a standing person if his heart is 1.4 m above the ground?
A) 104 Pa
B) 1.1 104 Pa
C) 1.4 104 Pa
D) 1.5 104 Pa
E) 1.6 104 Pa

2. A horizontal pipe has a part with a diameter 1/3 of the rest of the pipe. If v is the speed of the fluid in the wider section, then the speed in the narrower section is:
A) v/9
B) v/3
C) v
D) 3v
E) 9v

3. The part of an iceberg that extends above the water for ice density of 0.9g/cm3 and salted water of 1.1 g/cm3 is
A) 9%.
B) 18%
C) 20%
D) 80%.
E) 82%
F) 91%

4. The weight of a solid metal object in air is 25 N and the apparent weight in water (=1g/cm3) is 20 N. It's density is
A) 1 g/cm3
B) 2 g/cm3.
C) 5 g/cm3
D) 10 g/cm3
E) 20 g/cm3

10-14. A 2 kg object in simple harmonic motion obeys the following position versus time equation: y = (0.25 m) sin (πt).
10. What is the amplitude of vibration?
A) 0.25 m
B) 0.50 m
C) 0.75 m
D) 1.0 m
E) 0.5 π m

11. What is the frequency of the vibration?
A) 0.25 Hz 2πft = πt
B) 0.50 Hz
C) 1 Hz
D) 4 Hz
E) 0.5 π Hz

12. What is the maximum velocity ?
A) 0.25 m/s
B) 0.50 m/s
C) 1.0 m/s
D) 0.25 π m/s
E) 0.5 π m/s

13. What is the total energy of the system?
A) 1.23 J
B) 2.46 J
C) 4.92 J
D) 9.9 J
E) 0 J

14. What is the magnitude of the force acting on the mass after 2 s ?
A) 1.23 N
B) 2.13 N
C) 2.46 N
D) 4.92 N
E) 0 N

DataSpan, Inc., automated its plant at the start of the current year and installed a flexible manufacturing system. The company is also evaluating its suppliers and moving toward Lean Production. Many adjustment problems have been encountered, including problems relating to performance measurement. After much study, the company has decided to use the performance measures below, and it has gathered data relating to these measures for the first four months of operations.

Management has asked for your help in computing throughput time, delivery cycle time, and MCE. The following average times have been logged over the last four months:

Required:

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

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

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

2. Evaluate the company’s performance over the last four months.

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

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

can get the answer for all these questions

1. Calculate the pH in a solution that is 0.98 M in NaC2H3O2 and 0.56 M in HC2H3O2. (Ka = 1.8 x 10–5)

2. Given 15.0 mL of a buffer that is 0.87 M in HOCl and 0.95 M in NaOCl, what is the pH after 2.0 mL of 0.10 M NaOH has been added? (Ka for HOCl = 3.5  10–8)

3. The molar solubility of Mg3(PO4)2 is 6.26 x 10–6 M. Calculate the value of Ksp for Mg3(PO4)2.

4. A 20.00-mL solution of 0.120 M nitrous acid (Ka = 4.0 × 10–4) is titrated with a 0.215 M solution of sodium hydroxide as the titrant. What is the pH of the acid solution at the equivalence point of titration? (if needed: Kw = 1.00 × 10–14)

5. You have two salts, AgX and AgY, with very similar Ksp values. You know that Ka for HX is much greater than Ka for HY. Which salt is more soluble in acidic solution? (2pts) [MUST GIVE SOME EXPLAINATION OF ANSWER FOR CREDIT]

a) AgX

b) AgY

c) They are equally soluble in acidic solution.

d) Cannot be determined by the information given.

e) None of these (A-D).

6. Which of the following solid salts should be more soluble in 1.0 M HCl than in water? (2pts) (circle all that apply) [MUST GIVE SOME WORK/EXPLAINATION OF ANSWER FOR CREDIT] a) Na2CO3 b) KCl c) AgBr d) KNO3 e) RbF

9.What is the solubility (s) of Mg(OH)2 (Ksp = 8.9 x 10–12) in 1.0 L of a solution buffered (with large capacity) at pH 9.85

7. The Ksp for Co3(AsO4)2 is 6.8 x 10–29. When 0.20 mL of 0.010 M Na3AsO4 is mixed with 0.20 mL of 0.010 M CoCl3, will a precipitate form?

8. What is the maximum concentration of iodide ions that will precipitate AgI but not PbI2 from a solution that is 6.7  10–3 M each in Ag+ and Pb2+? For AgI, Ksp = 1.5 × 10–16 and for PbI2, Ksp = 1.4 × 10–8 .

10. Calculate the concentration of aqueous ammonia necessary to initiate the precipitation of chromium(III) hydroxide from an equilibrium solution 0.050 M solution of CrBr3. Ksp = 3.0 x 10-29 Kb = 1.8 x 10-5