Posts in category: Math

The coordinates on a map for San Francisco are (53, 17) and those for Sacramento are (123, 78). Note that coordinates represent miles. Find the distance between the cities to the nearest mile. Answer 📍 Coordinate Geometry – Finding the

A man starts walking from home and walks 4 miles east, 4 miles southeast, 7 miles south, 6 miles southwest, and 2 miles east. How far has he walked? If he walked straight home, how far would he have to walk? (Round your answer to three decimal place

At the northwest corner of the park, the city is going to install a fountain. The area of the base of the fountain is 9x2 ? 25 m2 . Factor the area to fi d the lengths of the sides of the fountain. Answer 🧮 Algebra Made Simple: Factor t

Kristin’s credit rating was lowered, and the credit card company raised her APR from 12% to 13.2%. If her average daily balance this month is x dollars, express algebraically the increase in this month’s finance charges due to the higher APR. Ans

Suppose an investment account is opened with an initial deposit of $12,000 earning 7.2% interest compounded continuously. How much will the account be worth after 30 years? Answer Future Value with Continuous Compounding - Exp

A substance has a half-life of 2.045 minutes. If the initial amount of the substance was 132.8 grams, how many half-lives will have passed before the substance decays to 8.3 grams? What is the total time of decay? Answer Radio

Write out the form of the partial fraction decomposition of the function: Determine the numerical values of the coefficients, and , where and Answer Partial Fraction Decomposition and Integration - Explained body {

Last year Debby’s annual salary was s dollars and was paid semimonthly. This year she received a raise of i dollars per year. She is now paid biweekly. Calculate Biweekly Salary After Raise body { font-family: 'Segoe

Kyoko has 15,000 by the time she finishes graduate school in 6 years. To the nearest hundredth of a percent, what should her minimum annual interest rate be in order to reach her goal? (Hint: solve the compound interest formula for the interest rate

A car was valued at 11000 If the car’s value continues to drop by the same percentage, what will it be worth by 2017? Answer Future Value of a Depreciating Car by 2017 - Step-by-Step Guide body { font-family: '