HESI Mathematics

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What is the temperature in Fahrenheit when converted from 50°C? (Enter a numeric value only. If rounding is necessary, round to the nearest whole number.)

  • A. 150°F
  • B. 122°F
  • C. 120°F
  • D. 145°F
Correct Answer: B

Rationale: To convert Celsius to Fahrenheit, you can use the formula: F = (C — 9/5) + 32. Plugging in 50°C gives us (50 — 9/5) + 32 = 122°F. Therefore, the correct answer is 122°F. When converting temperatures between Celsius and Fahrenheit, it's important to remember the formula and apply it correctly. In this case, by substituting 50°C into the formula, it results in 122°F when rounded to the nearest whole number.

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A healthcare professional works in a military hospital from 1300 to 2000. What time of day does this healthcare professional work?

  • A. Early morning to early afternoon
  • B. Lunchtime to midnight
  • C. Early afternoon to bedtime
  • D. Midnight to sunrise
Correct Answer: C

Rationale: The military time of 1300 to 2000 corresponds to 1:00 PM to 8:00 PM. The healthcare professional works during this time frame from early afternoon to bedtime.

Ratio and Proportion: 9 : X :: 5 : 300 (Enter numeric value only.)

  • A. 450
  • B. 540
  • C. 600
  • D. 480
Correct Answer: B

Rationale: To find the value of X in the proportion 9 : X :: 5 : 300, we can set up the equation (9/X) = (5/300) and cross-multiply. This gives us 9 * 300 = 5 * X. Simplifying further, we get X = (9 * 300) / 5 = 540. Therefore, the correct answer is 540, which is option B.

Add: 1/4 + 3/8 =

  • A. 5/8
  • B. 1/2
  • C. 4/12
  • D. 1/3
Correct Answer: A

Rationale: To add the fractions, first convert 1/4 to a common denominator with 3/8. The common denominator is 8: (1/4) = 2/8. Then, add: 2/8 + 3/8 = 5/8. Therefore, the correct answer is A) 5/8.

Multiply: (99)(0.56) =

  • A. 54.44
  • B. 56.44
  • C. 55.44
  • D. 57.44
Correct Answer: A

Rationale: To multiply decimals, first ignore the decimal points and multiply the numbers as whole numbers. Then, count the total number of decimal places in both factors (2 in this case) and place the decimal point in the product so that it has the same total number of decimal places. Therefore, (99)(0.56) = 5544. After placing the decimal point, the answer is 54.44. Therefore, the correct answer is A: 54.44.

What is the result of multiplying 375 by 2.3?

  • A. 862.5
  • B. 750
  • C. 225.75
  • D. 1125
Correct Answer: A

Rationale: To find the result of multiplying 375 by 2.3, you need to multiply the two numbers together. Multiplying 375 by 2.3 is calculated as 375 x 2.3 = 862.5. Therefore, the correct answer is A, which is 862.5.

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