The calculator graphs shows the x-values of the x-intercepts of the graph of the polynomial in the equation. Use the graphs to solve the equation.-8x2 + 18x + 5 = 0
A. {-2.5, 0.25}
B. {5, 18}
C. {-0.25, 2.5}
D. {0.25, 2.5}
Answer: C
Mathematics
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Rewrite the following statement in if-then form without using the word “necessary”: Getting an answer of 10 for problem 16 is a necessary condition for solving problem 16 correctly.
What will be an ideal response?
Mathematics
For problems 4-7 find a formula for the nth term of each sequence.
A. 
B. 
C. 
D. 
E. None of these
Mathematics
Divide and simplify.
÷ 
A. 
B. -3
C. 3
D. 
Mathematics
Solve the problem.Jill, the tallest female in the sophomore class, has a height of 69.75 inches. The heights of sophomore females are normally distributed with mean 62.7 inches and standard deviation 2.5 inches. Determine the z-score corresponding to Jill's height.
A. z = 2.72 B. z = 2.62 C. z = 3.02 D. z = 2.82
Mathematics