单选题Two boards are being cut for a construction project. If the total length of the boards is 100 inches and the shorter board is 5 inches less than half the length of the longer board, what is the length of the shorter board?A 25 inchesB 30 inchesC 35 inc

题目
单选题
Two boards are being cut for a construction project. If the total length of the boards is 100 inches and the shorter board is 5 inches less than half the length of the longer board, what is the length of the shorter board?
A

25 inches

B

30 inches

C

35 inches

D

65 inches

E

70 inches

相似考题

1.How long is the longest cross－sea bridge?()A、It has a total length of 94.968 kmB、It has a total length of 49.968 kmC、It has a total length of 68.988 km

2.int型public成员变量MAX LENGTH，该值保持为常数100，则定义这个变量的语句是( )。A．publicintMAX_LENGTH=100B．finalintMAX LENGTH=100C．publicconstintMAX_LENGTH=100D．publicfinalintMAX_LENGTH=100

3.The number and position of hydrants arranged on board shall be such that _______，one of which shall be from a single length of hose，may reach any part of the ship normally accessible to the passengers or crew while the ship is being navigated．A.at least two jets of water which shall be from the same length of hoseB.at least two jets of water emanating from the same hydrantC.at least two jets of water not emanating from the same hydrantD.at least two jets of water not emanating from the same hydrant，one of which shall be from a single length of hose

4.ApublicmembervairablecalledMAX_LENGTHwhichisinttype,thevalueofthevariableremainsconstantvalue100.Useashortstatementtodefinethevariable.()A.publicintMAX_LENGTH=100；B.finalintMAX_LENGTH=100；C.finalpublicintMAX_LENGTH=100；D.publicfinalintMAX_LENGTH=100；

更多“单选题Two boards are being cut for a construction project. If the total length of the boards is 100 inches and the shorter board is 5 inches less than half the length of the longer board, what is the length of the shorter board?A 25 inchesB 30 inchesC 35 inc”相关问题

  • 第1题：

    The length of the steering oar in a lifeboat is ______．

    A.shorter than the rowing oars

    B.the same length as the rowing oars

    C.longer than the rowing oars

    D.unrelated to the length of the rowing oars


    正确答案：C

  • 第2题：

    All passengers should present their _____ documents at the check-in counter.

    A. boarded
    B. boarding
    C. to board
    D. boards

    答案：B
    解析：

  • 第3题：

    The （） will have a rotating honorary chairman.

    • A、Board of Directors
    • B、Boards of Director
    • C、boards of director
    • D、Board Directors

    正确答案:A

  • 第4题：

    线路全长 total length of track


    正确答案: 指车站线路一端的道岔基本轨接头至另一端的道岔基本轨接头（贯通线）或车挡（尽头线）的长度。

  • 第5题：

    单选题
    The pivoting point of a fully loaded vessel with normal trim proceeding ahead at sea speed is（）.
    A

    right at the bow

    B

    one-third the length of the vessel from the bow

    C

    one-half the length of the vessel from the bow

    D

    two-thirds the length of the vessel from the bow


    正确答案： C
    解析： 暂无解析

  • 第6题：

    单选题
    If the towing bridle legs are not of equal length（）.
    A

    excessive strain is placed on the shorter leg

    B

    the shorter leg may fail

    C

    the longer leg is slack

    D

    All of the above


    正确答案： A
    解析： 暂无解析

  • 第7题：

    多选题
    Definition of Length：（）
    A

    The length shall be taken as 96% of the total length

    B

    The length shall be taken as 96% of the Lbp

    C

    The length shall be taken as 96% of the total length on a waterline at 85% of the least moulded depth measured from the top of the keel

    D

    The length from the fore side of the stem to the axis of the rudder stock on that waterline


    正确答案： B,C
    解析： 暂无解析

  • 第8题：

    单选题
    If 70% of the bananas in a particular harvest had an average (arithmetic mean) length of 7 inches and 30% of the bananas in that harvest had an average (arithmetic mean) length of 5 inches, what was the average (arithmetic mean) length, in inches, of all of the bananas in the harvest?
    A

    6.0

    B

    6.2

    C

    6.4

    D

    6.6

    E

    6.8


    正确答案： B
    解析：
    假设共有100个香蕉，根据题干全部香蕉的长度为(100×70%×7)+(100×30%×5)=640英尺，共有100只香蕉，所以平均每只香蕉的长度为640/100=6.4。故选C。

  • 第9题：

    单选题
    What is the MD5 algorithm used for？（）
    A

    takes a fixed-length message and produces a 128-bit message digest

    B

    takes a variable-length message and produces a 168-bit message digest

    C

    takes a message less than 2^64 bits as input and produces a 160-bit message digest

    D

    takes a variable-length message and produces a 128-bit message digest ActualTests.com


    正确答案： B
    解析： 暂无解析

  • 第10题：

    填空题
    On Mindy's guitar, the frequency of a vibrating string varies inversely as the length of the string. When a guitar string of s inches in length that vibrates at a frequency of 80 cycles per second is shortened to 6 inches in length, it vibrates at a frequency of 120 cycles per second. What is the value of s?____

    正确答案： 9
    解析：
    根据题干可列出等式alb1＝a2b2，(s)(80)＝(6)(120)，s=9。

  • 第11题：

    单选题
    The length of the steering oar in a lifeboat is（）.
    A

    shorter than the rowing oars

    B

    the same length as the rowing oars

    C

    longer than the rowing oars

    D

    unrelated to the length of the rowing oars


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    The cheek length of a block in inches should be about（）.
    A

    three times the circumference of a manila line

    B

    five times the diameter of a manila line

    C

    twice the diameter of its sheaves for manila line

    D

    twenty times the diameter of a manila line


    正确答案： D
    解析： 暂无解析

  • 第13题：

    How is the size of chain determined?______.

    A.Length of link in inches

    B.Diameter of metal in link in inches or centimeters

    C.Links per fathom

    D.Weight of stud cable in pounds


    正确答案：B
    如何测定锚链的大小？用英寸或厘米表示金属链环的直径

  • 第14题：

    Rainfall in most of the Sahara is________.

    A) less than five inches per year
    B) less than ten inches per year
    C) less than twenty inches per year
    D) zero

    答案：B
    解析：

  • 第15题：

    Definition of Length：（）

    • A、The length shall be taken as 96% of the total length
    • B、The length shall be taken as 96% of the Lbp
    • C、The length shall be taken as 96% of the total length on a waterline at 85% of the least moulded depth measured from the top of the keel
    • D、The length from the fore side of the stem to the axis of the rudder stock on that waterline

    正确答案:C,D

  • 第16题：

    What is the MD5 algorithm used for？（）

    • A、takes a fixed-length message and produces a 128-bit message digest
    • B、takes a variable-length message and produces a 168-bit message digest
    • C、takes a message less than 2^64 bits as input and produces a 160-bit message digest
    • D、takes a variable-length message and produces a 128-bit message digest ActualTests.com

    正确答案:D

  • 第17题：

    单选题
    The length of a rectangle is 5 more than the side of a square, and the width of the rectangle is 5 less than the side of the square. If the area of the square is 45, what is the area of the rectangle?
    A

    20

    B

    25

    C

    45

    D

    50

    E

    70


    正确答案： D
    解析：
    设正方形的边长为x，那么根据题意有x2=45，所以矩形的面积为 (x+5)(x-5) =x2-25=45-25=20。

  • 第18题：

    单选题
    MAX_LENGTH是int型public成员变量，变量值保持为常量100，其定义是（）。
    A

    final public int MAX_LENGTH=100；

    B

    public int MAX_LENGTH=100；

    C

    public final int MAX_LENGTH=100；

    D

    final int MAX_LENGTH=100；


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    The unit of duration of a dash in Morse Code is（）.
    A

    one and one-half times the length of a dot

    B

    twice the length of a dot

    C

    three times the length of a dot

    D

    four times the length of a dot


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    Emergency escape breathing device on board shall have a duration of service no less than（）.
    A

    20 minutes

    B

    15 minutes

    C

    10 minutes

    D

    5 minutes


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    The length of a rectangular kitchen floor is 3 feet more than its width, if the length of the floor is 12 feet, what is the area of the floor in square feet?
    A

    9

    B

    15

    C

    42

    D

    108

    E

    44


    正确答案： C
    解析：
    已知矩形的长为12英尺，而长比宽多3英尺，所以矩形的宽为9英尺，那么矩形的面积=长×宽=12×9=108平方英尺。

  • 第22题：

    单选题
    The reason that  many of homemakers buy kitchen appliances(厨房用品) is that they want to do their tasks in a shorter length of time.
    A

    that

    B

    many of homemakers

    C

    that

    D

    in a shorter length of time


    正确答案： D
    解析：

  • 第23题：

    单选题
    The width of a rectangular prism is doubled, its length is tripled, and its height is cut in half. If the volume of the original prism was V, what is its new volume?
    A

    2V

    B

    4V

    C

    16V

    D

    6V

    E

    3V


    正确答案： B
    解析：
    The volume of the original prism was V=l×w×h. The volume of the new prism is
    V=2×3w×(1/2)h=3l×w×h=3V.

相关内容