Solve the problem.How long will it take for the population of a certain country to triple if its annual growth rate is 5.7%? (Round to the nearest year.)
A. 8 yr
B. 1 yr
C. 20 yr
D. 53 yr
Answer: C
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Establish the identity.sin
= 
(sin x - cos x)
What will be an ideal response?
Solve the problem.Find the volume V of a sphere of diameter 4 m. Use 3.14 for ?. If necessary, round the result to the nearest tenth.
A. V = 18.8 m3 B. V = 33.5 m3 C. V = 16.7 m3 D. V = 267.9 m3
Use identities to write the expression as a function of x alone.cos (x - 180°)
A. -cos x B. cos x C. -sin x D. sin x
A square is cut out of each corner of a rectangular sheet of aluminum that is 30 cm by 90 cm.(See Illustration) The sides are folded up to form a rectangular container with no top. The area of the bottom of the container is 1,600 cm 2. What are the dimensions of each cut-out square? Find the volume of the container. (V = lwh)
A. The side of cut-out square is 7.00 cm. The volume of the container is 8,030.00 cm 3. B. The side of cut-out square is 5.00 cm. The volume of the container is 16,000.00 cm 3. C. The side of cut-out square is 5.00 cm. The volume of the container is 8,000.00 cm 3. D. The side of cut-out square is 4.00 cm. The volume of the container is 8,000.00 cm 3. E. The side of cut-out square is 6.00 cm. The volume of the container is 8,020.00 cm 3.