• 2022-06-06 问题

    Suppose the demand and supply curves for good X are both linear. And, the demand price for the first unit of X is $28, and the supply price for the first unit of X is $6. If the equilibrium price for good X is $16 and the equilibrium quantity of X is 24,000 units, then total consumer surplus is $________, total producer surplus is $_________, and total social surplus is $_____________. A: $144,000; $120,000; $264,000 B: $672,000; $144,000; $384,000 C: $120,000; $144,000; $264,000 D: $28; $6; $16 E: $144,000; $672,000; $384,000

    Suppose the demand and supply curves for good X are both linear. And, the demand price for the first unit of X is $28, and the supply price for the first unit of X is $6. If the equilibrium price for good X is $16 and the equilibrium quantity of X is 24,000 units, then total consumer surplus is $________, total producer surplus is $_________, and total social surplus is $_____________. A: $144,000; $120,000; $264,000 B: $672,000; $144,000; $384,000 C: $120,000; $144,000; $264,000 D: $28; $6; $16 E: $144,000; $672,000; $384,000

  • 2022-06-07 问题

    设随机变量X,Y相互独立,且D(X)=4,D(Y)=2,则D(3X-2Y)=() A: 8 B: 16 C: 28 D: 44

    设随机变量X,Y相互独立,且D(X)=4,D(Y)=2,则D(3X-2Y)=() A: 8 B: 16 C: 28 D: 44

  • 2022-06-07 问题

    随机变量X与Y相互独立,且D(X)=4,D(Y)=2,则D(3X-2Y)=( ) A: 8 B: 28 C: 44 D: 16

    随机变量X与Y相互独立,且D(X)=4,D(Y)=2,则D(3X-2Y)=( ) A: 8 B: 28 C: 44 D: 16

  • 2022-07-01 问题

    设随机变量X与Y相互独立,且D(X)=4,D(Y)=2,D(3X-2Y)=( ) A: 16 B: 8 C: 44 D: 28

    设随机变量X与Y相互独立,且D(X)=4,D(Y)=2,D(3X-2Y)=( ) A: 16 B: 8 C: 44 D: 28

  • 2022-06-19 问题

    [16 30 28 10 16* 20 12 18] [br][/br]2 6 10 [30 28 16 16* 20 12 18] [br][/br]2 6 10 12 [28 16 16* 20 30 18] [br][/br]2 6 10 12 16 [28 16* 20 30 18] [br][/br]2 6 10 12 16 16* [28 20 30 18] [br][/br]2 6 10 12 16 16* 18 [20 30 28] [br][/br]2 6 10 12 16 16* 18 20 [28 30] [br][/br]2 6 10 12 16 16* 18 20 28 [30][br][/br] [br][/br]⑧ 二路归并排序[br][/br]____ ____ ____ ____ ____ [br][/br]____ ____ ____ [br][/br]____ ____ [br][/br]____[br][/br]____

    [16 30 28 10 16* 20 12 18] [br][/br]2 6 10 [30 28 16 16* 20 12 18] [br][/br]2 6 10 12 [28 16 16* 20 30 18] [br][/br]2 6 10 12 16 [28 16* 20 30 18] [br][/br]2 6 10 12 16 16* [28 20 30 18] [br][/br]2 6 10 12 16 16* 18 [20 30 28] [br][/br]2 6 10 12 16 16* 18 20 [28 30] [br][/br]2 6 10 12 16 16* 18 20 28 [30][br][/br] [br][/br]⑧ 二路归并排序[br][/br]____ ____ ____ ____ ____ [br][/br]____ ____ ____ [br][/br]____ ____ [br][/br]____[br][/br]____

  • 2022-06-04 问题

    W40表示粒径()级;W20表示粒径()级。 A: 28~20; 20~14 B: 40—28; 20~14 C: 22~16; 40—28 D: 28~20; 22~16

    W40表示粒径()级;W20表示粒径()级。 A: 28~20; 20~14 B: 40—28; 20~14 C: 22~16; 40—28 D: 28~20; 22~16

  • 2022-05-29 问题

    * 18 20 28 30]⑤ 快速排序____ [6 2 10] 12 [28 30 16* 20 16 18]____ [2] 6 [10] 12 [28 30 16* 20 16 18 ]____ 2 6 10 12 [18 16 16* 20 ] 28 [30 ]____ 2 6 10 12 [16* 16] 18 [20] 28 30____ 2 6 10 12 16* [16] 18 20 28 30左子序列递归深度为1,右子序列递归深度为3⑥ 简单选择排序

    * 18 20 28 30]⑤ 快速排序____ [6 2 10] 12 [28 30 16* 20 16 18]____ [2] 6 [10] 12 [28 30 16* 20 16 18 ]____ 2 6 10 12 [18 16 16* 20 ] 28 [30 ]____ 2 6 10 12 [16* 16] 18 [20] 28 30____ 2 6 10 12 16* [16] 18 20 28 30左子序列递归深度为1,右子序列递归深度为3⑥ 简单选择排序

  • 2021-04-14 问题

    【单选题】化简 -16 ( x -0.5 )的结果是() A. A . -16 x -0.5 B. B . -16 x +0.5 C. C . 16 x -8 D. D . -16 x +8

    【单选题】化简 -16 ( x -0.5 )的结果是() A. A . -16 x -0.5 B. B . -16 x +0.5 C. C . 16 x -8 D. D . -16 x +8

  • 2022-06-19 问题

    设待排序的关键字序列为{12,2,16,30,28,10,16*,20,6,18},使用希尔排序方法(增量序列为5、3、1),则增量为5排序的结果序列为( )。 A: 10 2 6 16 18 12 16* 30 20 28 B: 10 2 16 6 18 12 16* 20 30 28 C: 10 6 2 16 18 12 16* 30 20 28 D: 10 6 2 16 18 12 16* 30 28 20

    设待排序的关键字序列为{12,2,16,30,28,10,16*,20,6,18},使用希尔排序方法(增量序列为5、3、1),则增量为5排序的结果序列为( )。 A: 10 2 6 16 18 12 16* 30 20 28 B: 10 2 16 6 18 12 16* 20 30 28 C: 10 6 2 16 18 12 16* 30 20 28 D: 10 6 2 16 18 12 16* 30 28 20

  • 2022-05-27 问题

    下列可用于CRC校验的生成多项式的是()。 A: X(16)+X(15)+X(2)+1 B: X(16)+X(15)+X+1 C: X(16)+X(13)+X+1 D: X(16)

    下列可用于CRC校验的生成多项式的是()。 A: X(16)+X(15)+X(2)+1 B: X(16)+X(15)+X+1 C: X(16)+X(13)+X+1 D: X(16)

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