In 2000, total revenues from sales of recorded rock, rap, and classical music amounted to $14.5 billion. Rock music brought in twice as much revenue as rap music and 900% the revenue of classical music. How much revenues were earned in each of the three categories of recorded music? (Round your answers to one decimal place.)
Rock$__________ billionRap$__________ billionClassical music$__________ billion
What will be an ideal response?
9.0; 4.5; 1.0
Mathematics
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A. (a) = 1, (b) = 2, (c) = 8 B. (a) = 2, (b) = 2, (c) = 8 C. (a) = 4, (b) = 3, (c) = 9 D. (a) = 3, (b) = 2, (c) = 8
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Find the specified vector or scalar.u = -11i - 2j, v = 4i + 7j; Find u - v.
A. -16i + 5j B. -15i - 9j C. -7i + 5j D. -17i + 5j
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Perform the division. Write the answer with positive exponents.(50x8 + 30x6 + -45x3) ÷ (-5x3)
A. -10x5 + 30x6 - 45x3 B. 50x5 + 30x3 - 45 C. -10x8 - 6x6 + 9x3 D. -10x5 - 6x3 + 9
Mathematics
Simplify the expression using the order of operations. Write the answer as an improper fraction where appropriate.3 - 8[9 - (9 + 6)]
A. -45 B. -48 C. 51 D. 30
Mathematics