Question 1 Research methods that do not involve the manipulation of an independent variable are called...

please answer the Question below: Q: Describe how a smart grid differs from the (normal electrical grid) system currently in use....

1-formulate this problem 2-code it using lingo ans write the optimal profit 3. Eeedceproduces two types of cattle feed, both consisting totally of wheat and alfalfa. Feed 1 must contain at least 80% wheat, and feed 2 must contain at least 60% alfalfa. Feed 1 sells for $1.50/lh, and feed 2 sells f...

Bennette Corporation has provided the following data concerning its overhead costs for the coming year: Wages and salaries Depreciation Rent $420,000 160,000 180,000 $760,000 Total The company has an activity-based costing system with the following three activity cost pools and estimated activity fo...

QUESTION Why does air pressure decrease with increasing altitude? (Select all that apply.) Less air above pushes down. Hot air rises. Colder air is less dense. The weight of the air above is smaller. The weight of the air below �s smaller. There is more air below to push up more strongly....

Bethany is doing training on nonverbal communication for a large shipping firm. She found a Web site that provides research on how people should dress for work. How does she know whether the research has been conducted scientifically? How should Bethany evaluate this Web site and its information and...

A 1000 kg weather rocket is launched straight up. The rocket motor provides a constant acceleration for 12 seconds, then the motor stops. The rocket altitude 20seconds after launch is 5000 meters. You can ignore any effects of air resistance and assume that the local gravitational acceleration is -9...

Question: The shear stresses in (kPa) of four specimens taken at various depths in a clay stratum are given by Depth, meter 1.8 3.1 4.1 6.6 Stress ,kPa 14.4 28.7 m 43.1 (a) Find the value of m if the Newton's third divided difference is -0.73. (10 marks) (b) Hence, estimate the shear stress at a...

Calculate the value of x. Interest Amount Principal / Present Value Interest Rate (per year) Time $2009 7.34% 12 months х Answer: Calculate the value of x. Maturity / Future Value Principal / Present Value Interest Rate (per year) Time $3308 10.13% 121 days Answer: Five months ago, Sarah borro...

A. Alan Lund is responsible for his medical bills and for those of his daughter, Alana, and he receives a guarantor statement. Complete the AMT DUE column by adding each charge to the previous total to find the running total. What amount is due for Alan, and what amount for Alana? What total amount ...

Choose the correct position-versus-time graph r (m) 0.095 0.095 x (m) 0.095 .5 -0.095 x (m) 0.095 ΛΛ t (s) 0.095 x (m) 0.095 0 -0.095 Find the position as function of time. At time t = 0 z = 0. Express your answer in meters in terms of the variable t, and appropriate constants....

7. (10 points) Find the general solution to the homogeneous system of DE: -1 x' = Ax where A -2 = [ 21...

For any positive integer n, prove that .Hint for one way of proving this: If X is set of cardinality n, find a bijection between the set of o i is even i is odd elements of P(X) of even cardinality and the set of elements of P(X) of odd cardinality....

the firm supply curve equals its MC curve? true or false?...

A piece of copper is surrounded by air at a pressure of 1.01 x 105 Pa. The copper is placed into a chamber where the pressure is increased to 2.02 x 105 Pa. Determine the fractional change ??/K) in volume of the copper. The bulk modulus of copper is 1.3x 101 N/m2...

Airbus Part There are two firms competing in the market for Airplanes – Boeing and Airbus. The market demand is given by Q = 120 – p. Boeing has lower Marginal Costs of production than Airbus. Thus MCB = $20, MCA = $40. Assume that TFC = $0 for both firms. (Think of price being in thousa...

Exercise 4-07 a-b (Part Level Submission) The accountant of Nash Shoe Co. has compiled the following information from the company's records as a basis for an income statement for the year ended December 31, 2020 Rent revenue Interest expense Market appreciation on land above cost Salaries and wa...

Payroll Register The following data for Throwback Industries Inc. relate to the payroll for the week ended December 9, 2018: Hours Hourly Weekly Federal Retirements Employee Worked Rate Salary Income Tax Savings Aaron $30 $327.75 Cobb 388.29 205.01 Clemente DiMaggio Griffey, Jr. 302.4 367.08 Mantle ...