Solve by completing the square. If the equation has no real solutions, write "no real-number solutions."p2 + 5p - 5 = 0
A. no real-number solutions
B. 
C. 
D. -5 ± 3
Answer: B
Mathematics
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Find the volume of the described solid.The base of a solid is the region between the curve y = 3cos x and the x-axis from x = 0 to x = ?/2. The cross sections perpendicular to the x-axis are isosceles right triangles with one leg on the base of the solid.
A. 
?
B. 2?
C. 
?
D. 
?
Mathematics
Solve the equation.0.13(70) + 0.60x = 0.30(70 + x)
A. 50 B. 20 C. 30 D. 40
Mathematics
Solve the problem.In a chemistry class, 9 liters of a 4% silver iodide solution must be mixed with a 10% solution to get a 6% solution. How many liters of the 10% solution are needed?
A. 3.5 L B. 4.5 L C. 5.5 L D. 9 L
Mathematics
Round the decimal to the given place value.27.9843, nearest hundredth
A. 27.9843 B. 27.88 C. 28.08 D. 27.98
Mathematics