Quadratic Formula

MAT225 Week 2 Assignment For this assignment, your new employer wants you to create a study guide with answers for your fellow employees and applications to help them relate the formulas and math concepts. Here is what they need from you: Part 1: Solve the following 20 problems. Apply the correct formula as needed from the list. Part 2: Choose 5 of the formulas and write 50 words explaining the formula, variables and how it is applied in the real world or choose one of the formulas and write 250 words. Make sure there are a minimum of 2 references. Formula List • • • • • • • • • • Area of a circle: 𝐴 = 𝜋𝑟 2 Net Income: 𝑁𝐼 = 𝑅 – 𝐸 Cash ratio = cash / current liabilities Perimeter of a rectangle: 𝑃 = 2𝑙 + 2𝑤 Area of a Square: 𝐴 = 𝑠 2 Circumference of a circle: 𝐶 = 2𝜋𝑟 Area of a rectangle: 𝐴 = 𝑙𝑤 Distance traveled: 𝑑 = 𝑟𝑡 Simple Interest Formula: 𝐼 = 𝑃𝑟𝑡 Propagation: Propagation delay = Distance between sender and receiver / Transmission speed • Compound Interest Formula: 𝐴 = 𝑃 (1 + ) • Celsius to Fahrenheit: °𝐹 = 5 °𝐶 + 32 • 9 𝑟 𝑛𝑡 𝑛 Pythagorean Theorem: 𝑐 2 = 𝑎2 + 𝑏 2 −𝑏±√𝑏2 −4𝑎𝑐 2𝑎 4 = 𝜋𝑟 3 3 • Quadratic Formula: 𝑥 = • Volume of a Sphere: 𝑉 Part 1 Problem 1. What is the area of a circular table if the radius is 2ft? Answer Click or tap here to enter text. 2. Simplify the square root of 121. Click or tap here to enter text. 3. Calculate the Fahrenheit degrees if a thermometer reads 39oCelsius. Click or tap here to enter text. 4. Calculate the volume of a basketball that measures 4.7in for the radius. Click or tap here to enter text. 5. A garden plot (square) has an area of 36ft2. What is the length of the sides? 6. What is the simple interest of a principal of $1200, at a rate of 0.14 for 3 years? Click or tap here to enter text. 7. What should the revenue be for a company that wants to make a net income of at least $57,000, if the expenses are projected to be $39,000? (Solve as an inequality) Click or tap here to enter text. 8. Calculate the cash ratio if the cash is 98,000 and the current liabilities are 29,000. Click or tap here to enter text. 9. Calculate the Propagation delay if the distance is 20 meters and the transmission speed is 220,000,000m/s. Click or tap here to enter text. 10. Solve for the inequality: 2x + 4
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