HESI A2 Quizlet Math

Correct Answer: D

Rationale: To convert yards to inches, we need to know that 1 yard is equal to 36 inches. So, to find out how many inches are in 2 yards, we multiply 2 by 36, which equals 72 inches. Therefore, the correct answer is D. Choice A (36 inches) is the equivalent of 1 yard, not 2 yards. Choice B (48 inches) and C (60 inches) are incorrect conversions of 2 yards to inches.

Correct Answer: B

Rationale: To convert yards to feet, we know that 1 yard is equal to 3 feet. Therefore, to find out how many feet are in 3 yards, we multiply 3 (yards) by 3 (feet per yard), which equals 9 feet. So, the correct answer is B: 9 feet. A: 18 feet - Incorrect, as it doubles the correct answer. C: 12 feet - Incorrect, as it is derived from multiplying 3 yards by 4 feet instead of 3 feet. D: 27 feet - Incorrect, as it multiplies 3 yards by 9 feet, which is incorrect conversion.

Correct Answer: C

Rationale: To find the percentage of 8 in 40, divide 8 by 40 and multiply by 100. (8/40) * 100 = 20%. Therefore, the correct answer is C (10%). Choice A (20%) is incorrect as it represents the opposite relationship. Choices B (15%) and D (25%) are also incorrect as they do not reflect the accurate calculation based on the given values.

Correct Answer: C

Rationale: The correct answer is C: 6 minutes. When the rat's speed is reduced by 50% due to the backpack, it will take twice as long to finish the maze. Therefore, if the rat initially finished the maze in 3 minutes, it will take 6 minutes with the reduced speed. Summary of other choices: A) 3 minutes - Incorrect because the rat's speed is reduced by 50%, so it will take longer than the initial 3 minutes. B) 4 minutes - Incorrect because the reduction in speed by 50% will result in a doubling of the time taken from the initial 3 minutes, making it 6 minutes. D) 1.5 minutes - Incorrect as the reduction in speed will cause the rat to take longer than the initial 3 minutes, not less time.

Correct Answer: B

Rationale: The correct answer is B: 5000. To convert kilometers to meters, you need to multiply by 1000 since there are 1000 meters in a kilometer. So, 5 kilometers x 1000 = 5000 meters. Choice A (1000) is the number of meters in 1 kilometer, not 5. Choice C (10000) is the result of multiplying 10 kilometers by 1000. Choice D (500) is incorrect as it is not the correct conversion from kilometers to meters.