How do you prove #sin^2 theta-cos^2 theta=2sin^2 theta-1#?

The figure shows a 22-cm-diameter loop in three different magnetic fields. The loop's resistance is 0.19 ohm. In (Figure 1), what are the size and direction of the induced current? Express your answer to two significant figures and include the appropriate units. The loop current direction is cw....

6. [-/10 Points] DETAILS TANAPCALC8 12.4.040. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHE The average daily temperature in degrees Fahrenheit at a tourist resort is approximately T = 61 – 13 cos 20(t – 25) 365 on the tth day (t = 1 corresponds to January 1). What is the average temperature...

Assuming an efficiency of 26.40% calculate the actual yield of magnesium nitrate formed from 117.8 g of magnesium and excess copper (I) nitrate. Mg+ Cu(NO,),MENo- Number 18x 102...

For a field trip 4 students rode in cars and the rest filled nine buses. How many students were in each bus if 472 students were on the trip?...

A simply-supported beam is subjected to a combination of a distributed force and a concentrated force. Determine the support reactions and transverse deflection. a conc entrated fpre. Determine the suppovt reaiton and en deflechi on EL,A 9...

According to the Current Results website, the state of California has a mean annual rainfall of 23 inches, whereas the state of New York has a mean annual rainfall of 49 inches. Assume that the standard deviation for both states is 3 inches. A sample of 30 years of rainfall for California and a samp...

A pension fund manager is considering three mutual funds. The first is a stock fund, the second is a long-term government and corporate bond fund, and the third is a T-bill money market fund that yields a sure rate of 4.9%. The probability distributions of the risky funds are: Expected Return 10% St...

A) During February, $84,200 was paid to creditors on account, and purchases on account were $107,780. Assuming that the February 28 balance of Accounts Payable was $36,210, determine the account balance on February 1. $ b. On October 1, the accounts receivable account balance was $38,900. During Oct...

0.38 = (3X0.1) + ( X ) My sons paper instructs us to fill in the missing values. We understand that we are to fill in the two values in the second set of parenthesis, but that is all we understand....

45. Name of Test: Lyme Disease Ab w/reflex to blot Patient Prep: Preferred Specimen: LAB DIRECTORY PROJECT Transport Container: Temperature: Clinical Significance: 46. Name of Test: Mgnesium Patient Prep: Preferred Specimen: Transport Container: Temperature: Clinical Significance: 47. Name of Test:P...

How do you solve #7- \frac { m } { 9} = 19#?...

Please help For the reaction shown, calculate how many moles of each product form when the given amount of each reactant completely reacts. Assume that there is more than enough of the other reactant. C3H8(g)+5O2(g)→3CO2(g)+4H2O(g) c)0.0588 molC3H8 Express your answer using three significant fi...

Objects with masses of 250 kg and a 550 kg are separated by 0.490 m. (a) Find the net gravitational force exerted by these objects on a 63.0 kg object placed midway between them. magnitude .000021 Correct: Your answer is correct. N direction Correct: Your answer is correct. (b) At what position (oth...

Process Some Products produced from Pprocess Refining a barrel of crude oil Gasoline, diesel fuel, gas, naphtha, kerosene Distillation of coal Coke, gas Processing of mineral ore Gold, silver Processing of raw milk Cream milk, liquid milk, cheese Questions 1. The cost o...

Evaluate the LaTeX integral: \ int ^ 4_0 \ int ^ 2 _ {\ sqrt {x}} \ frac {1} {1 + y ^ 3} dydx∫ 0 4 ∫ x 2 1 1 + y 3 dydx, making a change of integration order Pregunta 5 15 pts Evalúe la integral So So I had dyda, haciendo un cambio de orden de integración. 1 o in(9) 3e9 V3 NO E...

Can I get some hepl with 3? 3. In electron transfer, only the quinone portion of ubiquinone undergoes oxidation-reduction; the isoprenoid sidechain (R group, circled) remains unchanged. What is the function of this chain? CH CH30 CH,0 CH2-CH-C-CH20-H Ubiquinone (Q) CH (fully oxidized Semiquinone ra...

Describe the purpose of the logic model and how it is used in program development. Discuss the purpose of input, output, and outcomes in the model. Please provide a reference....

Questions 1 & 2 ask for cash flows only, no present values. They are a critical part of the problem, but since the problem is primarily about capital budgeting, they are not worth any points, and you have unlimited tries. Questions 3 & 4 require that you use the correct cash flows from 1 and...