Solve the equation.x - 6.4 = 14.1
A. x = 20.5
B. x = 20
C. x = 7.7
D. x = 7.2
Answer: A
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Tuna is packaged in a metal can with a radius of 11 cm and height of 8 cm. How many square centimeters of metal are needed to make this can? Give an exact answer in terms of ?.
A. 304? ft2 B. 418? ft2 C. 38? ft2 D. 968? ft2
Solve the problem.During 1991, 200,000 people visited Rave Amusement Park. During 1997, the number had grown to 834,000. If the number of visitors to the park obeys the law of uninhibited growth, find the exponential growth function that models this data.
A. f(t) = 634,000e0.238t B. f(t) = 200,000e0.248t C. f(t) = 200,000e0.238t D. f(t) = 634,000e0.248t
Suppose that the average adult in the United States will work x number of days (rounded to the nearest day) to earn enough to pay for all of the household's leisure activities in that year. This number can be calculated by multiplying the average percent of household income spent on leisure activities by 365 (the number of days in a year). The bar graph shows the percent of income spent in various countries of the world. Use the graph to answer the question.
In which country is the lowest percent of income spent on leisure activities? What percent is this?
A. Australia; 7.3% B. China; 94.6% C. China; 5.4% D. USA; 72.7%
Use Gauss-Jordan elimination to find the solution. Write the solution as an ordered triple. x - z = -73x - y = -1 x + y + z = 18
A. (-1, -2, 6) B. (2, 7, 9) C. (1, 9, 8) D. (3, 10, 10)