College math Study guides, Class notes & Summaries

College Math Placement Test Questions And Answers 100% Correct

Theresa bought a new desktop computer. One side of the desktop screen is 14 inches and the other side is 18 inches. What is the length of the diagonal of the desktop screen? Answer choices are rounded to the nearest inch. RATIONALE We can use the Pythagorean Theorem to calculate the length of a diagonal. The variables a and b represent the sides of the computer, and c represents the diagonal. First, substitute 14 for a and 18 for b. (Note that we could also substitute 18 for a and 14 for b...

College math placement test Question and answers correctly solved 2024 Set up the multiplication vertically. Remember to insert a place holder of 0 when you multiply 416 by 7. Answer is 29,120. - correct answer 416 × 70 = A. 29,536 B. 29,120 C. 486 D. 2,912

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 ...

COLLEGE MATH PLACEMENT TEST QUESTION AND ANSWERS (VERIFIED ANSWERS)

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...

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

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...

College math placement test Exam with verified solutions 2024