多选题If x=6y, then which of the following expressions is a multiple of x? (Select all such expressions.)A3yB12yC30y

题目
多选题
If x=6y, then which of the following expressions is a multiple of x? (Select all such expressions.)
A

3y

B

12y

C

30y

相似考题

1.When a switch port is used as a VLAN trunk, which of the following trunk modes are valid? (Select all that apply.)A. BlockingB. AutoC. DesirableD. OnE. TransparentF. Learning

2.Which one of the following expressions is equivalent to 'X BETWEEN 15 AND 25'?(25).A．X＞15 AND X＜25B．X=15 AND X=25C．X＞25 AND X＜15D．X＞=15 AND X＜=25

3.Which of the following statements eliminates all but one of each set of duplicate rows in the DEPT column in the STAFF table?()A.SELECT UNIQUE dept FROM staffB.SELECT DISTINCT dept FROM staffC.SELECT (dept) UNIQUE FROM staffD.SELECT (dept) DISTINCT FROM staff

4.intx=1,y=6;while(y－－){x＋＋;}System.out.println(x=”＋x＋y=”＋y);Whatistheresult?()A.x=6y=0B.x=7y=0C.x=6y=-1D.x=7y=-1E.Compilationfails.

参考答案和解析
正确答案： C,B
解析：
根据题目中已知的数量关系可知，x必须是6的倍数，选项B和C均符合要求。
更多“多选题If x=6y, then which of the following expressions is a multiple of x? (Select all such expressions.)A3yB12yC30y”相关问题

  • 第1题：

    Which of the following are true statements regarding the characteristics of OSPF areas? Select all that apply.()

    A. All OSPF networks require the use of multiple areas

    B. Multiple OSPF areas must connect to area 0

    C. Single area OSPF networks must be configured in area 1

    D. Areas can be assigned any number from 0 to 63535

    E. Area 0 is called the backbone area

    F. Each OSPF area need to be configured with a loopback interface


    参考答案：B, E

  • 第2题：

    You are on a multiple-product chemical tanker and will carry cargoes of isophorone，ethylenediamine，and creosote. Which of the following is TRUE?

    A.All of these cargoes are compatible

    B.Isophorone is incompatible with ethylenediamine but may be stowed adjacent to creosote

    C.All of these cargoes are incompatible

    D.Ethylenediamine is compatible with isophorone but both are incompatible with creosote


    正确答案：A

  • 第3题：

    Which of the following is the BEST way to ensure that all users receive a mapping to multiple shared drives?（）

    • A、Configure individual user accounts
    • B、Logon scripts
    • C、Local policy
    • D、Set NTFS permissions

    正确答案:B

  • 第4题：

    The following command is sued Show tech-support chassis x bmc y. Which c0mp0nent in chassis x will have its information shown?（） 

    • A、all subcomponents
    • B、IOM y
    • C、compute node y
    • D、mezzanine adapter z in compute node y

    正确答案:C

  • 第5题：

    Which statement is true regarding the COALESCE function?（）

    • A、It can have a maximum of five expressions in a list 
    • B、It returns the highest NOT NULL value in the list for all rows 
    • C、It requires that all expressions in the list must be of the same data type 
    • D、It requires that at least one of the expressions in the list must have a NOT NULL value

    正确答案:C

  • 第6题：

    多选题
    If 4 more than twice n is a negative number and 6 more than n is a positive number, which of the following numbers could be the value of n? (Select all such numbers.)
    A

    -5

    B

    4

    C

    -3


    正确答案： B,A
    解析：
    根据题目中的已知条件可得，4+2n<0，6+n>0，把各个选项分别代入两个不等式中检验，同时符合两个不等式可得到n可以等于-5，-4，-3，故正确答案为AC。

  • 第7题：

    单选题
    Which statement is true regarding the COALESCE function?（）
    A

    It can have a maximum of five expressions in a list 

    B

    It returns the highest NOT NULL value in the list for all rows 

    C

    It requires that all expressions in the list must be of the same data type 

    D

    It requires that at least one of the expressions in the list must have a NOT NULL value


    正确答案： D
    解析： 暂无解析

  • 第8题：

    单选题
    For all real values of x and y, let x◆y be defined by the equation x◆y = 2 -xy. If -1 < a < 0 and 0 < b < 1, then which of the following must be true?
    A

    -2<a+b<-1

    B

    -l<a+b<0

    C

    0<a+b<l

    D

    l<a+b<2

    E

    2<a+b<3


    正确答案： B
    解析：
    根据题干，发现a= -1/2, b =1/2满足已知条件，a◆b=2-ab，将a= -1/2, b =1/2代入进去，则(-1/2) ◆(1/2) = 2 - (-1/2)(1/2) = 2 + 1/4 = 2.25，故选E。

  • 第9题：

    多选题
    Which of the following are encrypted protocols? （）(Select TWO).
    A

    TELNET

    B

    SSH

    C

    POP3

    D

    FTP

    E

    HTTPS


    正确答案： E,A
    解析： 暂无解析

  • 第10题：

    多选题
    Which of the following are true statements regarding the characteristics of OSPF areas? Select all that apply.（）
    A

    All OSPF networks require the use of multiple areas

    B

    Multiple OSPF areas must connect to area 0

    C

    Single area OSPF networks must be configured in area 1

    D

    Areas can be assigned any number from 0 to 63535

    E

    Area 0 is called the backbone area

    F

    Each OSPF area need to be configured with a loopback interface


    正确答案： D,B
    解析： 暂无解析

  • 第11题：

    单选题
    Phil has x quarters, y dimes, and z nickels and nothing else. Which of the following expressions represents the amount of money that Phil has, in dollars?
    A

    0.25x + 0.10y + 0.05z

    B

    2.5x + 1. 0y + 0.5z

    C

    25x + 10y + 5z

    D

    0.25x + 0.10y + 0.5z

    E

    25x + 10y + 50z


    正确答案： B
    解析：
    Multiply the value of each coin by the number of coins and add. 0.25x + 0.10y + 0.05z.

  • 第12题：

    多选题
    A user reports that a printer has started producing a repetitive image defect on all printouts. Which of the following are the MOST likely causes of the problem?（） (Select TWO).
    A

    Toner cartridge

    B

    Laser scanner

    C

    Formatter PCB

    D

    Pickup rollers

    E

    Fuser


    正确答案： C,B
    解析： 暂无解析

  • 第13题：

    Which of the following IP addresses is a private IP address? Select all that apply.()

    A.12.0.0.1

    B.168.172.19.39

    C.172.20.14.36

    D.172.33.194.30

    E.192.168.42.34


    参考答案：C, E

  • 第14题：

    Which of the following IP addresses is a private IP address? Select all that apply.（）

    • A、12.0.0.1
    • B、168.172.19.39
    • C、172.20.14.36
    • D、172.33.194.30
    • E、192.168.42.34

    正确答案:C,E

  • 第15题：

    Which of the following statements eliminates all but one of each set of duplicate rows in the DEPT column in the STAFF table?（）

    • A、SELECT UNIQUE dept FROM staff
    • B、SELECT DISTINCT dept FROM staff
    • C、SELECT (dept) UNIQUE FROM staff
    • D、SELECT (dept) DISTINCT FROM staff

    正确答案:B

  • 第16题：

    What is the role of route preference?（）

    • A、It is used as a tie breaker when the same prefix is available through multiple sources
    • B、It is used to determine which routes to accept into the routing table
    • C、It is used to select the best route between multiple equal-cost paths
    • D、It is used to select which routing table to use for forwarding

    正确答案:A

  • 第17题：

    多选题
    If x and y are both positive even integers, which of the following expressions must be even? (Select all such expressions.)
    A

    xy

    B

    (x+1)y

    C

    x(y+1)


    正确答案： B,A
    解析：
    由于题目中x和y是变量，可以根据题干给出的条件给x, y设定符合条件的数值，代入各选项，看结果是否符合题干要求，即可得出答案。

  • 第18题：

    多选题
    For added security, a network administrator has decided to lock down the wireless network. Which of the following are ways to accomplish this? （）(Select TWO).
    A

    Disable all 802.11 traffic

    B

    Disable the SSID from broadcasting

    C

    Disable WPA

    D

    Enable Bluetooth only communication

    E

    Change the default admin password

    F

    Disable WEP


    正确答案： B,E
    解析： 暂无解析

  • 第19题：

    多选题
    Which of the following IP addresses is a private IP address? Select all that apply.（）
    A

    12.0.0.1

    B

    168.172.19.39

    C

    172.20.14.36

    D

    172.33.194.30

    E

    192.168.42.34


    正确答案： D,B
    解析： 暂无解析

  • 第20题：

    多选题
    Which of the following are common VPN transports? (Select TWO)（）
    A

    RDP

    B

    VNC

    C

    SSL

    D

    PPTP

    E

    RAS


    正确答案： A,C
    解析： 暂无解析

  • 第21题：

    多选题
    Select all the values of x which make the following true: 2x4 = 7x3 + 4x2.
    A

    0

    B

    -1/2

    C

    -1

    D

    2

    E

    4


    正确答案： B,D
    解析：
    因为2x4 = 7x3 + 4x2，所以x2(2x2-7x-4)=0，所以x=0或-1/2或4，所以本题应选ABE三项。

  • 第22题：

    多选题
    Which of the following network topologies BEST describes a VPN? （）(Select TWO)
    A

    Point to Point

    B

    Point to Multipoint

    C

    VLAN

    D

    Ring

    E

    Bus


    正确答案： C,D
    解析： 暂无解析

  • 第23题：

    单选题
    Which of the following is the BEST way to ensure that all users receive a mapping to multiple shared drives？（）
    A

     Configure individual user accounts

    B

     Logon scripts

    C

     Local policy

    D

     Set NTFS permissions


    正确答案： B
    解析： 暂无解析

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