Find the value of the expression.0.64 + 3.5(0.35)
A. 1.449
B. 1.289
C. 1.865
D. 1.599
Answer: C
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Provide an appropriate response.The first-quadrant region bounded by y = 
, the x-axis, and the y-axis is revolved about the y-axis to form a solid. Explain how you could use elementary geometry formulas to verify the volume of the solid.
What will be an ideal response?
Find the product.(3x2 - 2x - 4)(x2 - 3x + 5)
A. 3x4 - 9x3 + 17x2 + 2x - 20 B. 3x4 - 9x3 + 21x2 + 2x - 20 C. 3x4 - 11x3 + 21x2 + 2x - 20 D. 3x4 - 11x3 + 17x2 + 2x - 20
Solve the problem.Find the acute angle ? (in degrees) that satisfies the equation csc ? = -2.
A. 420° B. 60° C. -30° D. 30°
Solve the problem.The annual population density of a species of insect after n years is modeled by a sequence. Suppose that the initial density of insects is 620 with r = 1.9. Write a recursive sequence that describes this data, where an denotes the insect density during year n.Find the terms a1 , a2 , a3 , ...., a5 . Round to two decimal places, if necessary.
A. a1 = 1178.00, a2 = 2238.20, a3 = 4252.58, a4 = 8079.90, a5 = 15,351.81 B. a1 = 620, a2 = 62.00, a3 = 6.20, a4 = 0.62, a5 = 0.06 C. a1 = 620, a2 = 1178.00, a3 = 2238.20, a4 = 4252.58, a5 = 8079.90 D. a1 = 620, a2 = 620, a3 = 620, a4 = 620, a5 = 620