HISET PRACTICE QUESTIONS MATHEMATICS #1 FOR 2022 BEST PRACTICE SOLUTION

PRACTICE QUESTIONS MATHEMATICS #1 FOR 2022 BEST PRACTICE SOLUTION If 10x + 2 = 7, What is the value of 2x? - 1 A long distance runner does a lap around a track in exactly 50 seconds. As she tires, each subsequent lap takes 20% longer than the previous one. How long does she take to run 3 laps? - 182 seconds A number N is multiplied by 3. The result is the same as when N is divided by 3. What is the value of N? - 0 Which of the following equations satisfies the five sets of numbers shown in the above table? (See page 30) - y=x^3+4 John buys 100 shares of stocks at $100 per share. The price goes up by 10% and he sells 50 shares. Then, prices drop by 10% and he sells the remaining 50 shares. How many did he get for the last 50? - $4950 The sides of a triangle are equal to integral numbers of units. Two sides are 4 and 6 units long, respectively; what is the minimum value of the triangle's perimeter? - 13 Herbert plans to use the earnings from his lemonade stand according to the table above, for the first month of operations. If he buys $70 worth of lemons, how much profit does he take home? (see page 31) - 30 A teacher has 3 hours to grade all the papers submitted by the 35 students in her class. She gets through the first 5 papers in 30 minutes. How much faster does she have to work to grade the remaining papers in the allotted time? - 20% A sailor judges the distance to a lighthouse by holding a ruler at arm's length and measuring the apparent height of the lighthouse. He knows that the lighthouse is actually 60 ft tall. If it appears to be 3 inches tall when the ruler is held 2 feet from his eye, how far away is it? - 480 feet If X^2 - 4 =45, then X could be equal to - -7