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How to find the period and amplitude of a sine function and how to graph the function

 
 

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1.I am having trouble understanding this assignment. I can see that salary seems to be a very relevant explanatory factor, ...

explanatory factor, while age seems to be very irrelevant. However, I am struggling to understand by what he means by "write out the regression model", and struggling to find answers online. I also feel like I am missing some context from missed lectures, and would love to hear a tutor's take on how to best approach this question. Could you please help me out with this, and with any other relevant comments? Thank you!
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2.How do I reference a documentary that was re-published onto YouTube? For example I want to quote a 1979 documentary ...

979 documentary that I watched on YouTube but the uploader is not an official source, however I can not find the original source of the documentary. (I use Harvard referencing)
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3.How do I reference a documentary that was re-published onto YouTube? For example I want to quote a 1979 documentary ...

979 documentary that I watched on YouTube but the uploader is not an official source, however I can not find the original source of the documentary.
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4.C.1377. How many 6-digit cube-numbers are there? C.1378. Somebody calculated the exact values of and in the decimal system. ...

and in the decimal system. How many digits are there in these two numbers all together? C.1379. Alex and Burt took their rabbits to a whole salesman to sell them to him at once. Each of them got as many dollars for each of their rabbits as many as the rabbits they each took to him. But, because their rabbits were so beautiful, they each got as many extra dollars for their rabbits from the salesman as many as the rabbits they each sold him. This way Alex received $202 more than Burt. How many rabbits did they each sell to the salesman? C.1380. How many {a, b, c} sets are there containing three positive whole elements, where the product of a, b, and c is 2310? C.1381. Let a, b, c, and d be different digits. Find their values so that the following sum has the least possible number of divisors, but the sum itself is the greatest possible. C.1382. Fill in a 25×25 grid by using the numbers +1 and -1. Create the products of the 25 numbers in each column and in each row. Could the sum of these 50 numbers be: a) 0 b) 10 c) 17? C.1383. Is there such a triangle in which the heights are 1, 2, and 3 units long? C.1384. You put a plain on each side of a regular, square-based pyramid. How many sections do these 5 planes divide the space?
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6.4. A 2.3 L cylinder containing nitrogen gas at a pressure of 2.8 atm is connected to a 5.5 L ...

r containing nitrogen at 17.3 atm. What is the final pressure when both the cylinders have achieved equilibrium (reached the same pressure)? 6. An analytical procedure requires a solution of chloride ions. How many grams of BaCl2 must be dissolved to make 360 ml of 0.2 M Cl– ? (M BaCl2 = 208 g/mol) 7. Find the concentration of chloride ions when 344.4 mL of 2.4 M NaCl is mixed with 364 mL of 2.9 M KCl? 8. A sample of an unknown gas had a density of 1.45 g/L at 20.5 °C and 1.2 atm. Calculate the molar mass of the gas. (R = 0.08206 L·atm·mol-1·K-1)
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7.11. You expect to have the given amount in an account with the given terms. Find how much you can ...

thdraw periodically in order to make the account last the specified amount of time. Round your answer to the nearest cent. Account balance: $300,000 Interest rate: 4.45% Frequency daily Time: 22 years Regular withdrawal amount: $ 12. You expect to have the given amount in an account with the given terms. Find how much you can withdraw periodically in order to make the account last the specified amount of time. Round your answer to the nearest cent. Account balance: $550,000 Interest rate: 3.35% Frequency daily Time: 25 years Regular withdrawal amount: $ 13. You deposit $5000 each month into an account earning 4.5% interest compounded monthly. (a) How much will you have in the account in 25 years? $ (b) How much total money will you put into the account? $ (c) How much total interest will you earn over the 25 years? $ 14. You deposit $5000 each quarter into an account earning 3.5% interest compounded quarterly. (a) How much will you have in the account in 10 years? $ (b) How much total money will you put into the account? $ (c) How much total interest will you earn over the 10 years? $ 15. Angela has $550,000 saved for retirement in an account earning 3.05% interest, compounded weekly. How much will she be able to withdraw each week if she wants to take withdrawals for 25 years? Round your answer to the nearest dollar. $
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1.AU MAT 120 Systems of Linear Equations and Inequalities Discussion

mathematicsalgebra Physics