College math Study guides, Class notes & Summaries

College Math Placement Test Questions And Answers 100% Correct

What is the solution set for the following inequality? x + 6 > 15 − 2x RATIONALE The inequality To solve the inequality, you need to move the variable x to one side. To do this, first add 2x to both sides. Next, subtract 6 from both sides. Finally, divide both sides by 3. Since the inequality was NOT multiplied or divided by a negative number, the inequality symbol stays the same. Report an issue with this question Shiri has a debt of $375 to pay off with no interest added. If she ...

If $15,000 is invested at 6.5% annual interest compounded annually, how long would it take for the account balance to reach $50,000? Round your answer to the nearest tenth. RATIONALE To find the answer, use the formula for compound interest and solve for t: where: A = 50,000 P = 15,000 r = 6.5% or 0.065 n = 1 To begin, substitute the known values and simplify the formula first by adding the values in the parentheses and dividing both sides by the coefficient. To undo the variable expo...

COLLEGE MATH PLACEMENT TEST QUESTION AND ANSWERS (VERIFIED ANSWERS)

COLLEGE MATH PLACEMENT TEST WITH COMPLETE SOLUTIONS 100% 2023/2024 Set up the multiplication vertically. Remember to insert a place holder of 0 when you multiply 416 by 7. Answer is 29,120. 416 × 70 = A. 29,536 B. 29,120 C. 486 D. 2,912 E. None of these Start by writing four and two fifths as an improper fraction: 4 2/5 = 22/5 Subtract, and then write the answer as a mixed number: 22/5 − 35 = 22 − 3/5 = 19/5 = 3 4/5 4 2/5 − 3/5 = A. 3 4/5 B. 1 ...

Polly is curious if she gets better gas mileage when she uses the more expensive gasoline at the gas station. She designs an experiment in which she uses each type of gasoline exclusively for 3 months. Which statement is true of this experiment? RATIONALE The type of gasoline used is the explanatory variable, because it is the variable that Polly controls. Her gas mileage is the response variable, because it is the variable that will be observed and that may change in response to the type o...

CLEP College Mathematics Exam Prep (Latest 2023/ 2024 Update) Study Guide with Verified Answers| 100% Correct Q: mutually exclusive events Answer: Q: inverse of a function Answer: exchange the x and y values and solve for x Q: area of a circle Answer: A=πr² Q: area of a rhombus (parallelogram) Answer: 1) base x height 2) (diagonal * diagonal)/2 Q: slope Answer: change in y/ change in x Q: Sum of the angles of a triangle ...

Solution Manual College Mathematics for Business, Economics, Life Sciences, and Social Sciences, 14th edition

Which sets are proper subsets of set A? A={1,3,5,7,9} Select all that apply. - correct answer {1, 5, 7} {9} { } Let U be the set of integers from 1 to 15. U={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15} Set A and set B are subsets of U. Set A contains multiples of 2, such as 2, 4, 6.... Set B contains multiples of 3, such as 3, 6, 9.... Use the Venn diagram to help answer the question. - correct answer {2, 3, 4, 6, 8, 9, 10, 12, 14, 15} A company surveyed 36 people at an Ita...