# Math 009 Midterm Exam Essay Dissertation Research Help

Paper , Order, or Assignment Requirements

Instructions:

• You should show all of your work to receive full credit.  If you do not show work, you may earn only partial or no credit.

Please remember to show all work on the exam.

1) Simplify the following expression:

2)  Evaluate the following expression if  and :

3)  Simplify the following expression:

4)  Solve the equation.  Show all work and show the complete check of your answer:

5)  Solve the equation.  Show all work and show the complete check of your answer:

6) Solve the equation.  Show all work and show the complete check of your answer:

7)  Solve the equation.  Show all work and show the complete check of your answer.  Start by multiplying both sides of the equation by the least common denominator to clear all fractions:

8)  In a sample of 350 new iPhones, 3 were found to be defective.  At this rate, how many defective iPhones would be expected in a sample of 1400 new iPhones?  Use a proportion to set up and solve this problem.  Write a complete answer including units.

9)  Mark borrows \$18,000 to buy a new car.  If the simple interest rate on the car loan is 8.25% and he pays off the loan in 6 years, how much interest does he pay?  Write a complete answer including units.

10)  Alexis paid \$21,750 as a down payment for her new home.  If the down payment was 15% of the total price of the house, what was the total price of the house?  Start by defining the unknown in terms of a variable; then write an equation based on the information given and show all work as you solve the equation.  Write a complete answer including units.

11) Jacksons annual salary is \$57,500.  He has been promised a 5.2% merit raise in the year ahead.  Find the amount of the raise and the new salary.  Show all work and write a complete answer including units.

12)  Anna inherits \$78,000 and decides to invest part of it in an education account for her daughter and the rest in a 5-year CD.  If the amount she puts in the education account is \$6,000 more than three times the amount she puts in the CD, how much money does Anna invest in each account?  Start by defining the unknown quantities in terms of a variable; then write an equation based on the information given and show all work as you solve the equation.  Write a complete answer including units.

End of exam: please do not forget to write and sign (or type) the required statement explained in the box on Page 1 of the exam.

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