Solve.The volume of a cube is given by 343 cm3. What is the area of each side of the cube?
A. 49 cm2
B. 7 cm2
C. 14 cm2
D. 45 cm2
Answer: A
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Use the given growth rate to find the approximate doubling time and to predict the population in 50 years of a growing suburban town (based on a current population of 100,000).Use the current annual growth rate which is about 2.8%.
A. 27 years; population in 50 years = 527,803 B. 35 years; population in 50 years = 303,143 C. 20 years; population in 50 years = 229,740 D. 25 years; population in 50 years = 400,000
Use a graphical method to solve the system. Give x- and y-coordinates correct to the nearest hundredth.y = ex + 3x2 - 4y2 = 11
A. (2.75, 1.28) B. (-3.52, 0.59) C. (2.75, -1.28) D. (1.04, -0.14), (3.52, -1.69)
Perform the indicated operations.(7x7 + 6x5 + 5) + (8x7 + 5x5 - 9)
A. 22x12 B. 13x7 + 12x5 - 3 C. 15x7 + 11x5 - 4 D. 11x7 - 4x5 + 15
Find the surface area of the solid.
A. 648 sq ft B. 486 sq ft C. 729 sq ft D. 243 sq ft