Answer the question(s) based on the following situation: For a population of 4000 students taking the SAT math exam, the scores on the exam have an approximately normal distribution with mean ? = 610 and standard deviation ? = 60.Approximately how many students scored between 490 and 730?
A. 3800
B. 2720
C. 3900
D. 3000
E. none of these
Answer: A
Mathematics
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For the given set of ordered pairs, determine whether a function could be defined for which the input would be an x-coordinate and the output would be the corresponding y-coordinate.{(-6, 3), (-2, 2), (4, -8), (4, -9)}
A. Yes B. No
Mathematics
Write the expression in the standard form a + bi.5i5(1 + i3)
A. -5 + 5i B. 5 + 5i C. 5 - 5i D. -5 - 5i
Mathematics
Solve the equation on the interval [0, 2?).2 sin2 x = sin x
A. 
, 
B. 
, 
, 
, 
C. 
, 
D. 0, ?, 
, 
Mathematics
Provide an appropriate response.Does it appear that a linear model or a power model is the best fit for the data given in the table below? Explain your choice.
What will be an ideal response?
Mathematics