Solve the equation for the specified variable.I = 
for n
A. n = 
B. n = 
C. n = 
D. n = IR(Ir - E)
Answer: B
Mathematics
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Solve. Graph the solution on a number line, and express it in interval notation.-3 ? 3 + 
x ? 4
A. -6 < x < 1, (-6, 1)
B. -12 < x < 2, (-12, 2)
C. -6 ? x ? 1, [-6, 1]
D. -12 ? x ? 2, [-12, 2]
Mathematics
Use the Half-angle Formulas to find the exact value of the trigonometric function. sin 22.5°
A. - 
B. 
C. - 
D. 
Mathematics
Solve the proportion. Round the result to three significant digits if necessary.
What will be an ideal response?
Mathematics
Use the ZERO or the INTERSECT feature on your calculator to approximate all the zeros of the function to three decimal places.f(x) = 3x3 + x2 - x - 1
A. 0.469 B. 0.705 C. -1 D. 0.736
Mathematics