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For our free version, you will have access to a daily math question. Unlike many inexpensive resources that lack answers or explanations, we are committed to providing you with these essential components. Whether you seek assistance from our staff or your fellow peers, we will ensure that your questions are addressed promptly.
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SAMPLE QUESTIONS
Math
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1. Using the following model, a nutritionist estimates the weight W of a child, in kilograms, in terms of the child's age A, in months, between the ages of 6 and 18 months: W(A) = 5 + 0.9A. Based on the model, what is the estimated increase, in kilograms, of a child's weight each month during this period?
A) 0.5
B) 0.9
C) 1.4
D) 2.3
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2. If x/y = 3, what is the value of 2y/x?
A) 1/6
B) 2/3
C) 3/2
D) 6
3. A line in the xy-plane passes through the point (4, 9) and has a slope of 1/3. Which of the following points lies on the line?
A) (4, 9)
B) (1, 12)
C) (2, 5)
D) (6, 7)
4. If (x + 3)(x + 6) = 18x + x^2 + 27 holds for all values of x, and a + b = 15, what are the two possible values for c?
A) 3 and 12
B) 6 and 30
C) 9 and 18
D) 27 and 36
5. A fish tank initially contains 200 liters of water. The tank's filter system is constantly running and gradually removes water at a constant rate. After 15 minutes, the filter has removed 40% of the water. Which of the following equations models the number of liters of water, W, remaining in the tank, t minutes after the filter started running?
A) W = 200 - 15
B) W = 200 - 75
C) W = 200 * 0.4^(t/15)
D) W = 200 * 0.6^(t/15)
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6. To determine the average daily rainfall in a city, meteorologist Jake collected data from 30 weather stations across the area. For these weather stations, the average daily rainfall was found to be 0.8 inches. Which of the following statements must be true?
A) The average daily rainfall in the city is 0.8 inches.
B) A determination about the average daily rainfall in the city should not be made because the sample size is too small.
C) The data collection method is flawed and may produce a biased estimate of the average daily rainfall in the city.
D) The data collection method is not flawed and is likely to produce an unbiased estimate of the average daily rainfall in the city.