Write the word phrase in symbols, using x as the variable.7 divided by a number
A. 
B. 7x
C. 7 - x
D. 
Answer: A
Mathematics
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Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
Mathematics
Graph the pair of parametric equations with the aid of a graphing calculator.x = cos 5t, y = sin 4t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Mathematics
Solve for the indicated variable.Solve for t.rm = t2 - mt
A. t = 
B. t = 
C. t = 
D. t = 
Mathematics
Determine whether the matrix is in row-echelon form. If it is, then determine also whether it is in reduced row-echelon form.
A. Yes; yes B. Yes; no C. No
Mathematics