In a rectangular garden, the length is twice the width. If the width is x meters, the area of the garden is expressed as: A. 2x square meters B. x(2x) square meters C. 2x² square meters D. x² square meters 相关知识点: ...
A rectangle has a perimeter of 40. The length is twice the width. What is the width? A. 5 B. 10 C. 15 D. 20 相关知识点: 试题来源: 解析 B。解析:设宽为 x,则长为 2x,周长为 2(x + 2x) = 40,6x = 40,解得 x = 10。
The perimeter of a rectangle is 24 cm. If the length is twice the width, what are the dimensions of the rectangle? A. 4 cm by 8 cm B. 6 cm by 6 cm C. 3 cm by 9 cm 相关知识点: 试题来源: 解析 A。设宽为 x,则长为 2x,周长为 2(x + 2x)=24,解得 x = 4,所以长为 ...
The perimeter of a rectangle is 36 meters. If the length is twice the width, what is the width? A. 率解难率解难6 meters率解难率解难 B. 或酸况意米参何百铁走手容组物确论反济规如或酸况意米参何百铁走手容组物确论反济规如8 meters或酸况意米参何百铁走手容组物确论反济规如或酸...
The width of a rectangle is 5 meters and the length is twice the width. What is the area of the rectangle? A. 果候海属过证军气由经领到发红命治也素样果候海属过证军气由经领到发红命治也素样25 square meters果候海属过证军气由经领到发红命治也素样果候海属过证军气由经领到发红命治也...
This rope is twice longer than that one. 这根绳子是那根绳子的两倍长(比那根绳子长一倍)。2.“A+倍数+as+形容词或副词的原级+as+B”，表示“A正好是B的多少倍”。如:Asia is four times as large as Europe. 亚洲的面积是欧洲的四倍。3. “A+倍数+the size/height/length/width, etc+...
A rectangle has a length that is twice its width. If the perimeter is 36 centimeters, what is the area? A. 54 square centimeters B. 72 square centimeters C. 81 square centimeters D. 108 square centimeters 相关知识点: 试题来源: 解析 B。设宽为 x 厘米,长就是 2x 厘米,周长是 2×(长...
If the length of a rectangle is twice the width and the width is 5 cm, what is the length of the rectangle? A. 5 cm B. 10 cm C. 15 cm D. 20 cm 相关知识点: 试题来源: 解析 B。本题考查倍数表达。已知宽是 5 厘米,长是宽的两倍,所以长为 5×2 = 10 厘米,故选 B。 反馈 ...
Let l be the length, w be the width, and A be the area. You are given that the rate of increase of the width (( w)( t)) is twice that of the length (( l)( t)). You are asked to find the ratio of the rate of change of the area (( A)( t)) to that of the width...
Let l be the length, w be the width, and A be the area. You are given that the rate of increase of the width \left(\dfrac{\d w}{\d t}\right) is twice that of the length \left(\dfrac{\d l}{\d t}\right). You are asked to find the ratio of the rate of change of th...