In Tim's house,a rectangular swimming pool whose length 30 m

英语翻译
The diagonal of the floor of a rectangular closet is 15/2feet.The shorter sider of the closet is 17/4feet.what's the area of the closet in square feet?

A farmer wants to fence a small rectangular yard next to a barn.Fence for side parallel to the barn will cost 70 per foot and the fence for the other two sides will cost 15 per foot.The farmer has a total of 1650 dollars to spend on the project.Find the dimensions for the yard that will have the largest possible area.
The side parallel to the barn should be feet long and the other two sides should be feet long each.

A rectangular, 100 meters long and 50 meters wide is it what is the area

A farmer wishes to fence off a rectangular field with 1000 feet of fencing.If one side of the field is along the stream and does not require fencing,express the area of the field as a function of its width,y.

请尽量给出详述,本人数学不好.
The diagonal of the floor of a rectangular closet is 15/2 feet.The shorter side of the closet is 17/4 feet.What is the area of the closet in the square feet?
这题我想的是（15/2）平方-（17/4）平方然后开方,再乘17/4.可是答案并不是这个.
How many 3-digit positive integers are odd and do not contain the digit "5"

A rectangular,100 meters long and 50 meters wide is it what is the area

1.A round table is pushed into the corner of a rectangular room,so that it is touching two adjacent walls.A mark on its edge is exactly 16cm from one of these walls,and exactly 18cm from the other.What is the diameter of the table?
一张圆桌被推到一个长方形房间的墙角,它的边抵着两面相邻的墙.圆桌边缘上的一点距离两面墙的距离分别是16cm和18cm.圆桌的直径是多少?
2.a)A wooden cube is painted red on all its faces,it is then cut into 27 equal smaller cubes by cuts parallel to the exsiting faces.How many of the smaller cubes are now found to be painted on
(i)three faces (ii)two faces) (iii)one face (iv)no face
一个6面都被漆成红色的方块被切成27个大小相同的小方块（切线和各面分别平行,即为用水平线切割）有数量不同的面被漆成红色的小方块有多少?
（i）3面 （ii）2面 （iii） 1面 （iv） 0面
b)Generalise the result above so that it applies to a cube cut into n smaller cubes(So that the nomber of cubes along each edge of the original is n)
推广上面的结果到一个被切割成n个小方块的正方体（括号里面的我不太理解）
3.Six points ABCDEF are drawn at irregular intervals on the circumference of a circle.ABCDEF 这六个点不规则的分布在一个圆的表面
a)How many different chords can be drawn connecting two of these 6 points?通过连接任意两个点可以产生多少条不同的弦?
b)How many triangles with all three vertices on the circle will be formed by these chords?以任意三个点作为顶点的三角形有多少个?
c)How many points of intersection of any two such chords will thus be formed?任意两条弦的交点共有多少个?
d)Into how many different regions(each bounded by parts of these chords or the circle itself)is the circle now divided?圆现在被分成了多少块（包括它自己）?
What if there had been 20 points(not just 6)to start with?如果一开始圆上的点是20个而不是6个呢?答案有什么变化?
关键是要一个思考的过程，我这里有一些自己的做法，希望高收发点自己的思路上来参考参考，得不出答案都没有关系。

英语翻译
Unit squares are arranged to form a rectangular grid that
is m units wide and n units tall,where m and n are
positive integers with 2n < m < 3n.The region below
one of the diagonals of the rectangle is shaded as shown.
For certain pairs m and n,there is a unit square in the
grid that is not completely shaded but whose shaded area
is greater than 0.999.The smallest possible value of mn
for which this is true satisfies
(A) 496 x14 mn x14 500
(B) 501 x14 mn x14 505
(C) 506 x14 mn x14 510
(D) 511 x14 mn x14 515
(E) 516 x14 mn x14 520

第二十题英文数学 impact 撞击 vertically 垂直地 rectangular 长方形
第二十题英文数学
impact 撞击 vertically 垂直地 rectangular 长方形.bottom 底部的. top 顶部.height 高

AMC英文数学竞赛题,
.A rectangular region is bounded by the graphs of the equations y=a,y=-b,x=-c,and x=d,where a,b,c,and d are all positive numbers.Which of the following represents the area of this region?
(A) ac + ad + bc + bd (B) ac – ad + bc – bd (C) ac + ad – bc – bd (D) –ac –ad + bc + bd (E) ac – ad – bc + bd

英语翻译
Find the area of a rectangular room measuring 8.7m by 14.4m .Express your answer with the correct number of significant figures.
答案不是125.28 m^2

英语翻译
an open-topped box is made from a rectangular piece of cardboard,with dimensions of 24cm by 30 cm,by cutting congruent squares from each corner and folding up the sides.Determine the dimensions of the squares to be cut to create a box with a volume of 1040cm^3.

I have a rectangular table.My son cut one angle form the table.Now the table has five angles.翻译

翻译： What is the maximum number of rectangular blocks measuring 3
What is the maximum number of rectangular blocks measuring 3 inches by 2 inches by 1 inch that can be packed into acube-shaped box whose interior measures 6 inches on the edge?

一道英语数学题
an open rectangular box with a square base is to be made from 48ft^2 material
i.write a formula for the Volume and the Surface Area of the box
ii.find the value of x for which V is maximum.

一道GMAT的题目.我很无语
Q11:
A rectangular picture is surrounded by a boarder, as shown in the figure above. Without the boarder the length of the picture is twice its width. If the area of the boarder is 196 square inches, what is the length, in inches, of the picture, excluding the boarder?
A.10
B.15
C.30
D.40
E.60

SAT数学题,求翻译和讲解
A rectangular floor 18 feet by 10 feet is to be completely covered with carpeting that costs x dollars per square yard. In terms of x, how many dollars will the carpeting cost? (1 yard=3 feet)
A 20x B 28x C 60x D 180x E 540x
答案是A,求讲解

A rectangular parking lot is 80m by 50m.How much less,in sqare meters ,is its area than that of a
A rectangular parkinglot is 80m by 50m.How much less,in sqare meters ,is its area than that of a sqareparking lot with the same perimeter?

sat
what's the maximum number of rectangular blocks measuring 3 inches by 2 inches by 1 inch that can be packed into a cube-shaped box whose interior measure 6 inches on an edge?
ps：answer is 36

What is the suiface area of a rectangular prism if V=440 m^3,l=11 m,and w=5

英数题：A circular pool is being built inside a rectangular region 12 ft by 18 ft,If the
A circular pool is being built inside a rectangular region 12 ft by 18 ft,If the pool is to be as large as possible,and the edge of the pool must be at least 2 ft from each edge of the rectangle,what is the maximum possible value for the radius of the pool,in feet?
请尽快给我答案和题目的翻译,谢谢哈~·

［急］一元二次 求最大值应用题
A farmer wants to fence a rectangular field and then divide it in half with a fence down the middle parallel to one side.If 1764 ft of fence is to be used,what is the maximum area of the lot that he can obtain?
就是做一个篱笆 但是在中间讲篱笆分为两部分 篱笆总长为1764 ft 问最大面积可以为多少?

请问一道英语数学题的答案?
A rectangular box without a lid has volume 0.5 cubic metres.Find the minimum surface area.
请问答案是什么?

一个关于英语形容词排序的问题
书上给的答案是a small grey rectangular japanese radio.大家都知道一句口诀是：美小圆旧黄法国木书房 按照这句话应该grey在rectancular后面啊 为啥?native speaker也说应该按照书上的答案那样 可是我忘了为什么了!

英语翻译
from the corners of a rectangular piece of cardboard ,32*12cm ,squares of side x cm are cut out and the edges turned up to form a box.find the value of x when the volume of the box is a maximum 求翻译

A display case is in the shape of a rectangular box with a square base.Suppose the volume is 21 cubic ft and it costs $1 per square ft.to build the glass top and $0.50 per sq.ft.to build the sides and base.If x is the length of one side of the base,what value should x have to minimize the cost?Round your answer to two decimal places.

英语翻译
A painter has painted one-third of rectangular wall which is ten feet high.When she has painted another 75square feet of wall,she will be three-quarters finished with job.What is the length（the horizontal dimension）of the wall

A string is used to show where the floor of a rectangular patio is to be laid.The width of the patio is to be half the length.If 12 meters of string just fit around the edges of the floor,what is the length of the patio?

This question is about converting from rectangular to polar co-ordinates.
Rectangular complex number 19 + j76
what is the angle,in degrees,of the polar co-ordinate?
不要翻译