Solve.x3 - 2x ? 24 - 5x2
A. [-2, ?)
B. [-2, 2]
C. (-?, -4] ? [-3, 2]
D. [-4, -3] ? [2, ?)
Answer: C
Mathematics
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Eliminate the decimals by multiplying by a power of 10 and then solve.1.2x + 3.5 = 0.6x - 1
A. 0.133 B. -7.5 C. -7.51 D. -7.575
Mathematics
Solve the problem.A building has an entry with the shape of a parabolic arch 92 ft high and 10 ft wide at the base. Find an equation for the parabola if the vertex is put at the origin of the coordinate system.A = 92 ftB = 10 ft
A. x2 = -1.1y B. y2 = -1.1x C. x2 = -0.3y D. y2 = -0.3x
Mathematics
Write the ratio as a ratio of whole numbers using fractional notation. Write the fraction in simplest form.9600 copies to 2400 copies
A. 
B. 
C. 
D. 
Mathematics
Simplify.i57
A. -1 B. 1 C. -i D. i
Mathematics