问答题What is the volume of a cube whose surface area is 150?

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问答题

What is the volume of a cube whose surface area is 150?

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1.阅读以下说明和C++程序，将应填入(n)处的字句写在对应栏内。【说明】以下程序的功能是计算正方体、球体和圆柱体的表面积和体积并输出。程序由4个类组成：类cube、sphere和cylinder分别表示正方体、球体和圆柱体；抽象类 container为抽象类，提供了两个纯虚拟函数surface_area()和volum()，作为通用接口。【C++程序】include＜iostream.h＞define pi 3.1416class container｛protected:double radius;public:container(double radius) {container::radius=radius;}virtual double surface_area()=0;virtual double velum()=0;};class cube:(1){ //定义正方体类public:cube(double radius):container(radius){};double surface_area () {return 6 * radius * radius;}double volum() {return radius * radius * radius;}};class sphere:(2){ //定义球体类public:sphere(double radius): container(radius){};double surface_area() { return (3);}double volum() {return pi * radius * radius * radius * 4/3;}};class cylinder:(4){ //定义圆柱体类double height;public:cylinder(double radius,double height):container(radius){container::height=height;}double surface_are a () { return 2 * pi * radius * (height+radius); }double volum () {return (5);}};void main(){container * p;cube obj1 (5);sphere obj2(5);cylinder obj3(5,5);p=&obj1;cout＜＜“正方体表面积”(＜＜p-＞surface_area()＜＜end1;cont＜＜“正方体体积”＜＜p-＞volume()＜＜end1;p=&obj2;cout＜＜“球体表面积”＜＜p-＞surface_area()＜＜end1;cout＜＜“球体体积”＜＜p-＞volume()＜＜end1;p=&obj3;cout＜＜“球体表面积”＜＜p-＞surface_area()＜＜end1;cout＜＜“球体体积”＜＜p-＞volume()＜＜end1;}

2.请把下面程序补充完整，正确答案是( )。 main( ) { float radius,length,area,volume; printf("Input a radius:"); Scanf("%f",&radius); length=2.0*PI*radius; /*引用无参宏求周长*/area=PI*radius*redius; /*引用无参宏求而积*/ volume=PI*radius*radius*radius*3/4; /*引用无参宏求体积*/ printf("length=%.2f,area=%.2f,volume=%.2f\n",length,area,volume); }A．PI=3.1415926B．Const PI=3.14159C．#define PI3.1415926D．Float PI=3.14159

3.The free surface corrections depend upon the dimensions of the surface of the free liquids and the ______．A.volume of liquid in the tankB.displacement of the vesselC.location of the tank in the vesselD.height of the center of gravity of the vessel

4.Which configuration command places interfaces whose IP addresses are between 192.168.0.0 and 192.168.255.255 into OSPF area 0?()A.AB.BC.CD.D

更多“问答题What is the volume of a cube whose surface area is 150?”相关问题

第1题：

The free surface effects of a partially full liquid tank decrease with increased ______．
A.Density of the liquid
B.Placement of the tank above the keel
C.Displacement volume of the ship
D.Size of the surface area in the tank

正确答案：C
第2题：

What is the meaning of Metropolitan area? （）
- A、Around the city
- B、City itself
- C、The area near the city
- D、Big city and its neighbor area
正确答案:D
第3题：

The Cluster Administrator wants to use disk heartbeats as a non-IP network. What Volume Group consideration must be accounted for prior to configuring disk heartbeats？（）
- A、 The Volume Group major number must be the same on all nodes.
- B、 The Shared Volume Group must be created with the Big VG format.
- C、 The Volume Group must be created as Enhanced Concurrent Capable.
- D、 The "t factor" must be doubled to create the reserved area for disk hearbeats.
正确答案:C
第4题：

You recently created a database and configured the SPFILE with the following parameter settings to ensure that Oracle automatically adjusts the memory for the Program Global Area （PGA）： SORT_AREA_SIZE = 150M HASH_AREA_SIZE = 150M BITMAP_MERGE_AREA_SIZE = 150M CREATE_BITMAP_AREA_SIZE = 150M WORKAREA_SIZE_POLICY = AUTO You have not included the PGA_AGGREGATE_TARGET initialization parameter in the SPFILE and the System Global Area （SGA） is currently sized at 4G. What is the total PGA memory allocated across all database server processes？（）
- A、 10M
- B、 400M
- C、 600M
- D、 800M
正确答案:D
第5题：

单选题
What is the area of the base of a triangular pyramid with a volume of 88 cm3 and a height of 16 cm?
A
5.5 cm²
B
11 cm²
C
8 cm²
D
16.5 cm²
E
22 cm²

正确答案： D
解析：
V = (1/3)BH where B equals the area of the base. 88=(1/3)B(16), B=88×3÷16=16.5 cm².
第6题：

单选题
In the combustion chamber, the part whose surface is exposed to the highest temperature is the （）.
A
cylinder liner
B
cylinder cover
C
piston
D
exhaust valve

正确答案： C
解析：暂无解析
第7题：

问答题
what type of route can be advertised to OSPF totally stubby area？

正确答案： LSA type 3 default route。
解析：暂无解析
第8题：

问答题
Neither external routes nor interarea routes will inject into this area. What is the area type and how can you configure it？

正确答案： This should be totally stubby area. In order to configure a totally stubby area，command “area area-ID stub no-summary” on ABR and “area area-ID stub”on internal router in the totally stubby area are used.
解析：暂无解析
第9题：

单选题
The waterplane area is described as the intersection of the surface of the water in which a vessel floats and the（）.
A
baseline
B
vertical reference plane
C
hull
D
horizontal reference plane

正确答案： A
解析：暂无解析
第10题：

填空题
If t is a positive integer, and 18t is the cube of an integer, then what is the least possible value of t ?____

正确答案： 12
解析：
因为1³＝1, 2³ ＝8, 3³＝27, 4³ ＝64, 5³＝125这几项等不能被18整除，而第六项6³＝216能被18整除因为216= 18×12，所以t＝12。
第11题：

单选题
A solid metal cube of edge 3 feet is placed in a rectangular tank whose length, width, and height are 3, 4, and 5 feet, respectively. What is the volume, in cubic feet, of water that the tank can now hold?
A
20
B
27
C
33
D
48
E
60

正确答案： B
解析：
根据题意，长方体水槽的体积为3×4×5 =60立方英尺，而立方体占的面积为 3³ =27 立方英尺，所以如今水槽的储水量为 60-27 =33 立方英尺。
第12题：

单选题
A VESSEL，OTHER THAN A RESCUE UNIT，DESIGNATED TO CO-ORDINATE SURFACE SEARCH AND RESCUE OPERATION WITHIN A SPECIFIED AREA is known as（）.
A
Salving vessel
B
Co-ordinator surface search
C
MERSAR
D
The vessel being salved

正确答案： D
解析：暂无解析
第13题：

A VESSEL, OTHER THAN A RESCUE UNIT, DESIGNATED TO CO-ORDINATE SURFACE SEARCH AND RESCUE OPERATION WITHIN A SPECIFIED AREA is known as
A.salving vessel
B.Co-ordinator surface search
C.MERSAR
D.the vessel being salved

正确答案：B
除了营救单位外，一艘被指定用来特定水域协助海面搜索和营救工作的船舶被定义为海面搜寻协调船
第14题：

What is an advantage of IBM SAN Volume Controller （SVC） virtualization over an HP EnterpriseVirtual Array virtualization？（）
- A、SVC supports more RAID levels than HP EVA
- B、SVC has a broader worldwide installation base than HP EVA
- C、SVC provides SAN virtualization within the storage area network
- D、SVC is an IBM virtualization solution for IBM disks in an HP EVA
正确答案:C
第15题：

Where can a system administrator find information regarding configured physical volumes， volume groups， and logical volumes besides the Volume Group Descriptor Area （VGDA）？（）
- A、/etc/filesystems
- B、/etc/environment
- C、Object Data Manager （ODM）
- D、Logical Volume Control Block （LVCB）
正确答案:C
第16题：

问答题
What is the volume of a cube whose surface area is 150?

正确答案： 125
解析：
根据题意，设正方体的每条边长为e，那么根据正方体的表面积公式可得6e²=150→e=5，因此V=5³ =125.
第17题：

单选题
What is the meaning of Metropolitan area? （）
A
Around the city
B
City itself
C
The area near the city
D
Big city and its neighbor area

正确答案： C
解析：暂无解析
第18题：

单选题
The FIRST treatment for a surface burn is to（）.
A
wash the burned area with a warm soap and water solution
B
flood，bathe，or immerse the burned area in cold water
C
cover the burned area with talcum powder and bandag it cover the burned area with talcum powder and bandage it tightly
D
leave the burned area exposed to the atmosphere

正确答案： D
解析：暂无解析
第19题：

单选题
The center of the underwater volume of a floating vessel is the（）.
A
center of buoyancy
B
center of flotation
C
uncorrected height of the center of gravity of the vessel
D
center of gravity of the vessel corrected for free surface effects

正确答案： D
解析：暂无解析
第20题：

问答题
what is four ospf area type？

正确答案： backbone，normal，stub，nssa。
解析：暂无解析
第21题：

单选题
The volume of a cube is V. If the sides of the cube are cut it half, the volume of the resulting solid is ______.
A
2V
B
(1/2)V
C
(1/4)V
D
(1/8)V
E
(1/16)V

正确答案： C
解析：
The scale factor of the cubes is 2:1, so their volumes are in the ratio 2³:1³. The new volume is 1/2³ or (1/8)V the volume of the original cube.
第22题：

单选题
Where can a system administrator find information regarding configured physical volumes， volume groups， and logical volumes besides the Volume Group Descriptor Area （VGDA）？（）
A
/etc/filesystems
B
/etc/environment
C
Object Data Manager （ODM）
D
Logical Volume Control Block （LVCB）

正确答案： C
解析：暂无解析
第23题：

单选题
You recently created a database and configured the SPFILE with the following parameter settings to ensure that Oracle automatically adjusts the memory for the Program Global Area （PGA）： SORT_AREA_SIZE = 150M HASH_AREA_SIZE = 150M BITMAP_MERGE_AREA_SIZE = 150M CREATE_BITMAP_AREA_SIZE = 150M WORKAREA_SIZE_POLICY = AUTO You have not included the PGA_AGGREGATE_TARGET initialization parameter in the SPFILE and the System Global Area （SGA） is currently sized at 4G. What is the total PGA memory allocated across all database server processes？（）
A
10M
B
400M
C
600M
D
800M

正确答案： A
解析：暂无解析
第24题：

单选题
What is the volume of a sphere whose surface area is 100π square units?
A
(100/3)π cubic units or units³
B
(500/3)π units³
C
160π units³
D
(375/4)π units³
E
520 units³

正确答案： A
解析：
The formula for the surface area of a sphere is SA = 4πr². 100π= 4πr², 25 = r², 5=r. The volume is, therefore, (4/3) πr³ = 4/3π(5)³=(4/3)π(125) =(500/3)π

问答题What is the volume of a cube whose surface area is 150?

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