单选题The larger of two numbers exceeds three times the smaller number by 2. The sum of twice the large and 4 times the smaller is 73. If a is the smaller number, which equation below determines the correct value of x?A 4（3a+2）+2a=73B 4 (3a+2) +2a=73C (6a+2)

题目
单选题
The larger of two numbers exceeds three times the smaller number by 2. The sum of twice the large and 4 times the smaller is 73. If a is the smaller number, which equation below determines the correct value of x?
A

4（3a+2）+2a=73

B

4 (3a+2) +2a=73

C

(6a+2) +4a=73

D

2 (3a+2) +4a=73

E

2 (3a-2) +4a=73

相似考题

1.The total water area is about ______the land area.A. three times as larger asB. as three times large asC. three times as large asD. as large as three times

2.This room is three times _________ that one.A、the same largeB、larger asC、as large asD、almost large as

3.Which two statements are true about MLP interleaving? ()A. It fragments and encapsulates all packets in a fragmentation header.B. Packets smaller than the fragmentation size are interleaved between the fragments of the larger packets.C. Packets larger than the fragmentation size are always fragmented, and cannot be interleaved, even if the traffic is voice traffic.D. It fragments and encapsulates packets that are longer than a configured size, but does not encapsulate smaller packets inside a fragmentation header.

4.The new gym is _________ as the old one.A、three times as largeB、three times the sizeC、three times larger thanD、as three times large

更多“单选题The larger of two numbers exceeds three times the smaller number by 2. The sum of twice the large and 4 times the smaller is 73. If a is the smaller number, which equation below determines the correct value of x?A 4（3a+2）+2a=73B 4 (3a+2) +2a=73C (6a+2)”相关问题

  • 第1题：

    High-speed rotation in a centrifugal purifier can produce a force ______the force of gravity.

    A.many thousand times larger than

    B.the same as

    C.many thousand times smaller than

    D.which has nothing to do with


    正确答案：A

  • 第2题：

    In revised editions of Admiralty charts the ________ are corrected first．

    A.smaller scales

    B.larger scales

    C.smaller scales and larger scales

    D.moderate scales


    正确答案：B

  • 第3题：

    共用题干
    Weight on and off the Earth We are so used to.our life on the surface of the earth that it can be quite an effort for our mind to break free of all the ideas that we take for granted.Because we can feel that things are heavy,we think of "weight"as being a fixed quality in an object,but it is not really fixed at all.If you could take a one-pound packet of butter 4,000 miles out from the earth,it would weigh only a quarter of a pound. Why would things weigh only a quarter as much as they do at the surface of the earth if we took them 4,000 miles out into space?The reason is this:all objects have a natural attraction for all other objects;this is called gravitational attraction.But this power of attraction between two obects gets weaker as they get farther apart.When the butter was at the surface of the earth,it was 4,000 miles from the center.When we took the butter 4,000 miles out,it was 8,000 miles from the center,which is twice the distance.If you double the distance between two objects,their gravitational attraction decreases two times two.If you treble the distance, it gets nine times weaker(three times three)and so on. So this is one of the first things we need to remember that the weight of an object in space is not the same as its weight on the surface of the earth. What about the weight of our pound of butter on the surface of the moon?At the distance the puii of the earth is about 4,000 times smaller than it is here on the surface,so we can forget all about the earth-pull on our butter. On the other hand,on the moon there will be an attraction between the butter and the moon,but the butter will weigh only about one-sixth as much as it does on the earth.This is because the moon is so much smaller than the earth.The amount of gravitational pull that a body produces depends on the amount of material in it.A packet of butter has a gravitational pull of its own;but this is very small in relation to the pull of something as large as the moon,or the earth,or the sun.

    According to the passage,"weight"should be understood in the sense that
    A:it is fixed if it is outside the earth's gravitational puli
    B:it decreases four times when it is 4,000 miles from the earth's center
    C:it varies with the change of the gravitational attraction between two objects
    D:things increase in amount as they are closer to the earth's surface

    答案：C
    解析：
    第一段最后一句表明，1磅重的黄油在离地球表面4000英里处重达0.25磅，第二段第一句也表明在4000英里高空处的物体重量仅为其在地球表面的重量的1/4。由此可推算出，4磅重的茶叶在离地球表面4000英里处重达1磅。
    第一段第一句表明，我们之所以不能打破固有思维，是因为我们已经习惯了地球上的生活，也就是说，我们正是因为太过熟悉地球上的事物，才没有去质疑这些固有思维。
    第一段第二句表明，物体的重量并非固定不变。第二段解释说，物体的重量源于物体间的引力。也就是说，物体的重量随着物体间引力的改变而改变。
    最后一段第三句说明一个物体产生的引力与物体本身的重量有关。最后一段第四句又表明由于本身重量较小，一包黄油产生的引力很有限，相对于月球、地球、太阳等产生的强劲引力来说，比较容易被我们忽略。
    本篇文章通篇讲的是重量是由引力产生的，并进一步阐述了物体间引力的变化、物体本身的重量，以及物体间的距离这三者之间的关系，主要讲的还是引力对重量的作用。

  • 第4题：

    共用题干
    Weight on and off the Earth We are so used to.our life on the surface of the earth that it can be quite an effort for our mind to break free of all the ideas that we take for granted.Because we can feel that things are heavy,we think of "weight"as being a fixed quality in an object,but it is not really fixed at all.If you could take a one-pound packet of butter 4,000 miles out from the earth,it would weigh only a quarter of a pound. Why would things weigh only a quarter as much as they do at the surface of the earth if we took them 4,000 miles out into space?The reason is this:all objects have a natural attraction for all other objects;this is called gravitational attraction.But this power of attraction between two obects gets weaker as they get farther apart.When the butter was at the surface of the earth,it was 4,000 miles from the center.When we took the butter 4,000 miles out,it was 8,000 miles from the center,which is twice the distance.If you double the distance between two objects,their gravitational attraction decreases two times two.If you treble the distance, it gets nine times weaker(three times three)and so on. So this is one of the first things we need to remember that the weight of an object in space is not the same as its weight on the surface of the earth. What about the weight of our pound of butter on the surface of the moon?At the distance the puii of the earth is about 4,000 times smaller than it is here on the surface,so we can forget all about the earth-pull on our butter. On the other hand,on the moon there will be an attraction between the butter and the moon,but the butter will weigh only about one-sixth as much as it does on the earth.This is because the moon is so much smaller than the earth.The amount of gravitational pull that a body produces depends on the amount of material in it.A packet of butter has a gravitational pull of its own;but this is very small in relation to the pull of something as large as the moon,or the earth,or the sun.

    We do not feel the gravitational pull of a packet of butter because
    A:it is too small to have a gravitational pull of its own
    B:its puil is so small that we tend to ignore it
    C:its pui1 disappears in the presence of the earth's gravitation
    D:it tends to melt and loses its gravitational puli

    答案：B
    解析：
    第一段最后一句表明，1磅重的黄油在离地球表面4000英里处重达0.25磅，第二段第一句也表明在4000英里高空处的物体重量仅为其在地球表面的重量的1/4。由此可推算出，4磅重的茶叶在离地球表面4000英里处重达1磅。
    第一段第一句表明，我们之所以不能打破固有思维，是因为我们已经习惯了地球上的生活，也就是说，我们正是因为太过熟悉地球上的事物，才没有去质疑这些固有思维。
    第一段第二句表明，物体的重量并非固定不变。第二段解释说，物体的重量源于物体间的引力。也就是说，物体的重量随着物体间引力的改变而改变。
    最后一段第三句说明一个物体产生的引力与物体本身的重量有关。最后一段第四句又表明由于本身重量较小，一包黄油产生的引力很有限，相对于月球、地球、太阳等产生的强劲引力来说，比较容易被我们忽略。
    本篇文章通篇讲的是重量是由引力产生的，并进一步阐述了物体间引力的变化、物体本身的重量，以及物体间的距离这三者之间的关系，主要讲的还是引力对重量的作用。

  • 第5题：

    Which two statements are true about MLP interleaving？ （）

    • A、 It fragments and encapsulates all packets in a fragmentation header.
    • B、 Packets smaller than the fragmentation size are interleaved between the fragments of thelarger packets.
    • C、 Packets larger than the fragmentation size are always fragmented， and cannot be interleaved，even if the traffic is voice traffic.
    • D、 It fragments and encapsulates packets that are longer than a configured size， but does not encapsulate smaller packets inside a fragmentation header.

    正确答案:B,D

  • 第6题：

    单选题
    Which statement of assigning a long type variable to a hexadecimal value is correct？（）
    A

     long number = 345L；

    B

     long number = 0345；

    C

     long number = 0345L；

    D

     long number = 0x345L；


    正确答案： D
    解析： 十六进制数以0x开头，long型数以L（大小写均可，一般使用大写，因为小写的l和数字1不易区分）。

  • 第7题：

    单选题
    Between the steam dram and the smaller water dram below, large numbers of smaller diameter （） tubes are fitted.
    A

    fire

    B

    water wall

    C

    generating

    D

    down comer


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    When troubleshooting a network， the output of the command show interfaces indicates a large number of runts. What is a runt？（）
    A

    the number of packets that are discarded because they exceed the maximum packet size of the medium

    B

    errors created when the CRC generated by the originating LAN station or far-end device does not match the checksum calculated from the data received.

    C

    the number of packets that are discarded because they are smaller than the minimum packet size of the medium

    D

    the number of received packets that were ignored by the interface because the interface hardware ran low on internal buffers

    E

    the number of times that the interface requested another interface within the router to slow down


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    Engine displacement is equal to the cylinder （）.
    A

    area times the stroke

    B

    area times the stroke, times the number of cylinders

    C

    volume times the stroke

    D

    volume times the stroke, times the number of cylinders


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    Three million ______ a large number. You can make it ______.
    A

    are; small

    B

    is; smaller

    C

    is; small

    D

    are; smaller


    正确答案： D
    解析：
    句意：三百万是个大数目，你可以缩小一些。“three million”虽为复数形式，但表达的是单数意义，指某个数目，故应使用is做系动词，可排除A、D两项。前半句说三百万是个大数目，后一句应该是可以让这个数目缩小一点，隐含着比较意义。B项符合句子逻辑。

  • 第11题：

    问答题
    What is the value of the greater of two numbers if one of the numbers is three times the smaller number?　　(1) one of the numbers is 12.　　(2) The sum of the two numbers is 16.

    正确答案： B
    解析：
    通过计算可知，条件1无法确定两个数的值；由条件2可知，所求的数为12，故本题选B项。

  • 第12题：

    单选题
    x, y, and z are positive integers. Which of the following lists all the possible ways for x + y + z to be an odd number?I. One of the numbers is odd.II. Two of the numbers are odd.III. Three of the numbers are odd.
    A

    I

    B

    I and II

    C

    I and III

    D

    II and III


    正确答案： C
    解析：
    I. One of the numbers is odd. Let x be odd. Let y and z be even. y + z is even. An even plus an odd is odd, so x + y + z is odd.

  • 第13题：

    The total resistance of a parallel circuit is always______.

    A.larger than the greatest branch resistance

    B.smaller than the lowest branch resistance

    C.equal to the sum of the individual branch resistances

    D.one-half the sum of the individual branch resistances


    正确答案：B

  • 第14题：

    There are two small rooms in the beach house,__________serves as a kitchen.

    A.the smaller of which
    B.a smaller of which
    C.the smaller of them
    D.smaller of that

    答案：A
    解析：
    考查非限制性定语从句和冠词用法。句意为“在海滩度假屋里有两间小房子，其中较小的那间充当厨房”。首先，后半句是一个非限制性定语从句，只能用which引导；其次，表示两者中比较小的那个是特指，用定冠词the修饰，即“the smaller ofthe two…”。故选A。
    名师如何巧解题？查看视频解析>>

  • 第15题：

    共用题干
    Weight on and off the Earth We are so used to.our life on the surface of the earth that it can be quite an effort for our mind to break free of all the ideas that we take for granted.Because we can feel that things are heavy,we think of "weight"as being a fixed quality in an object,but it is not really fixed at all.If you could take a one-pound packet of butter 4,000 miles out from the earth,it would weigh only a quarter of a pound. Why would things weigh only a quarter as much as they do at the surface of the earth if we took them 4,000 miles out into space?The reason is this:all objects have a natural attraction for all other objects;this is called gravitational attraction.But this power of attraction between two obects gets weaker as they get farther apart.When the butter was at the surface of the earth,it was 4,000 miles from the center.When we took the butter 4,000 miles out,it was 8,000 miles from the center,which is twice the distance.If you double the distance between two objects,their gravitational attraction decreases two times two.If you treble the distance, it gets nine times weaker(three times three)and so on. So this is one of the first things we need to remember that the weight of an object in space is not the same as its weight on the surface of the earth. What about the weight of our pound of butter on the surface of the moon?At the distance the puii of the earth is about 4,000 times smaller than it is here on the surface,so we can forget all about the earth-pull on our butter. On the other hand,on the moon there will be an attraction between the butter and the moon,but the butter will weigh only about one-sixth as much as it does on the earth.This is because the moon is so much smaller than the earth.The amount of gravitational pull that a body produces depends on the amount of material in it.A packet of butter has a gravitational pull of its own;but this is very small in relation to the pull of something as large as the moon,or the earth,or the sun.

    How much would four pounds of tea weigh if it was taken 4,000 miles out from the surface of the earth?
    A:1 pound.
    B:2 pounds.
    C:3 pounds.
    D:4 pounds.

    答案：A
    解析：
    第一段最后一句表明，1磅重的黄油在离地球表面4000英里处重达0.25磅，第二段第一句也表明在4000英里高空处的物体重量仅为其在地球表面的重量的1/4。由此可推算出，4磅重的茶叶在离地球表面4000英里处重达1磅。
    第一段第一句表明，我们之所以不能打破固有思维，是因为我们已经习惯了地球上的生活，也就是说，我们正是因为太过熟悉地球上的事物，才没有去质疑这些固有思维。
    第一段第二句表明，物体的重量并非固定不变。第二段解释说，物体的重量源于物体间的引力。也就是说，物体的重量随着物体间引力的改变而改变。
    最后一段第三句说明一个物体产生的引力与物体本身的重量有关。最后一段第四句又表明由于本身重量较小，一包黄油产生的引力很有限，相对于月球、地球、太阳等产生的强劲引力来说，比较容易被我们忽略。
    本篇文章通篇讲的是重量是由引力产生的，并进一步阐述了物体间引力的变化、物体本身的重量，以及物体间的距离这三者之间的关系，主要讲的还是引力对重量的作用。

  • 第16题：

    There are two small rooms in the beachhouse, ______serves as a kitchen.

    A.the smaller of which
    B.a smaller of which
    C.the smaller of them
    D.smaller of that

    答案：A
    解析：
    考查非限制性定语从句和冠词用法。旬意为“在海滩度假屋里有两间小房子，其中较小的那间充当厨房”。首先，后半句是一个非限制性定语从句，只能用which引导；其次，表示两者中比较小的那个是特指，用定冠词the修饰，即“the smaller of the two…”。故选A。

  • 第17题：

    When troubleshooting a network， the output of the command show interfaces indicates a large number of runts. What is a runt？（）

    • A、the number of packets that are discarded because they exceed the maximum packet size of the medium
    • B、errors created when the CRC generated by the originating LAN station or far-end device does not match the checksum calculated from the data received.
    • C、the number of packets that are discarded because they are smaller than the minimum packet size of the medium
    • D、the number of received packets that were ignored by the interface because the interface hardware ran low on internal buffers
    • E、the number of times that the interface requested another interface within the router to slow down

    正确答案:C

  • 第18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19题：

    单选题
    There are two small rooms in the beach house,____ serves as a kitchen.
    A

    the smaller of which

    B

    a smaller of which

    C

    the smaller of them

    D

    smaller of that


    正确答案： A
    解析：

  • 第20题：

    单选题
    If the sum of a number and the original number increased by 5 is greater than11, which could be a possible value of the number?
    A

    -5

    B

    -1

    C

    1

    D

    3

    E

    4


    正确答案： C
    解析：
    If the sum of a number, x, and the original number increased by 5, x+5, is greater than 11, then x+(x+5)>11, so 2x+5>11. Then 2x > 6, so x > 3. The only answer choice that is greater than 3 is E..

  • 第21题：

    单选题
    Cast iron pistons used in large propulsion diesel engines are constructed with （）
    A

    not taper what so ever

    B

    the skirt being tapered and smaller than the crown

    C

    the skirt being tapered and larger than the crown

    D

    the crown being tapered and smaller than the skirt


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    What does the underlined word “outnumber” mean?
    A

    To be smaller in size than another group.

    B

    To be more in number than another group.

    C

    To be bigger in area than another group.

    D

    To be smaller in area than another group.


    正确答案： D
    解析：
    词义猜测题。根据上下文语境可知，此处“outnumber”表示“数目超过，多于”。

  • 第23题：

    单选题
    As a white dwarf, the sun will be.
    A

    the same size as the planet Mercury

    B

    thousands of times smaller than it is today

    C

    around 35 million miles in diameter

    D

    cold and dark


    正确答案： B
    解析：
    细节题。第三段第二句指出“一旦太阳缩小到地球大小时，它就会变成一个白色的矮星”。而文章首段最后一句提到“The sun…is thousands of times larger than the Earth”，由此可知当太阳变成一个白色的矮星时，它就会比现在小几千倍。故选B。

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