Maths Exam 1

Notes

Maths Exam 1 1 of 38 Five less than twice the number Which of the following translates the phrase above into a mathematical expression? 5x-2 2x-5 correct 2-5x 5-2x 2 of 38 A couple dining at a restaurant receives a bill for $38.40. They wish to leave a 15% gratuity. Which of the following is the estimated gratuity? $6.00 correct $5.00 $4.00 $7.00 3 of 38 Lana has a $60. She spends 80% of the money. She then invests the remaining amount and earns a profit of 80%.how much does she now have? $21.60 correct $9.60 $86.40 $60.00 4 of 38 Which of the following percentage is equivalent to the fractions below? 5/ 8 160% 65.25% 62.5% correct 1.6% 4 of 38 a student performs the following estimations 24 + 190= 210 151+ 319 = 470 974 + 1022=1990 Based on these estimations, which of the following is the students estimate of 452+5017? 5430 5470 correct 5500 5400 6 of 38 Which of the following is the greatest value? 34 + 96 correct 0.372 3/8 37% 8 of 38 Which of the following relationships represents a positive correlation between two variables? As the amount of water a plant receives increases, the growth rate of the plant increases. correct As the number of hours a per...