英语翻译一 Given that y varies directly as x^2 and that y=48 when x=4 ,find the equation connecting y and x .

相关推荐

• 1,P is the point (7,5) and L1 is the line with equation 3x+4y=16(1),Find out the equation of the line L2 which passes through P and is perpendicular to L2.(2),Find the point of intersection of the L1 and L2.(3),Find the perpendicular distance of P from the line L1.------------------------------------------------可怜小妹的数学初中水平还不够,看来勘定英文是不够的!555555555555555555555555还有一个公式：gradient =y-step/x-step=1/-m给出3个点的坐标,如何证明他们形成的角是直角?（use m1m2=-1 to explain it）
• 英语翻译一 Given that y varies directly as x^2 and that y=48 when x=4 ,find the equation connecting y and x .
• 英语数学题.请写一下题意和解题过程哈.有加分哈.注：" 1.the equation of a straight line, L, is 6x-2y+1=0. a).the straight line P is parallel to L and passes through the origin write down the equation of P.2.give that A is (1,6),B is(9,2) C is(9,0)and D is(1,4) (本来有给一个图.大家自己画一下哈.）a).the parallelogram is reflected in the line y=2.find the coordinates of the image of the point Db).find the coordinates of the point about which ABCD has rotational symmetry of order 23.the
• Find the centroid of the region bounded by the given curves.1.y=4x,x=7,x-axis 2.x+8y=8,y-axis,x-axis3.y=7x,y=28,y-axis4.y=x^2-16x,x-axis5.16x-x^3,x-axis,第一象限6.y=26x-x^2,y=x
• Given that x+y=4 and x^2-y^2=48.Find the value of 2x-2y
• 一条统计与概率的英文题Suppose that we are to observe two independent random samples:Y1,Y2,...,Yn denoting a random sample from a normal distribution with mean µ1 and variance σ21;(2上1下） and X1,X2,...,Xm denoting a random sample from another normal distribution with mean µ2 and variance σ22（2上2下）An approximation for µ1− µ2 is given by Y − X,the difference between the sample means.Find _ _E [Y − X]\2 _ _and Var\3(Y − X)\4.
• consider the curve given by y的平方 =2+xy(1) show that dy/dx = y/(2y-x)(2) find all points (x,y) on the curve where the line tagent to the curve has slope 1/2(3)show that there are no points (x,y) on the curve where the line tangent to the curve is horizontal(4) let x and y be functions of time t that are related by the equation y的平方 =2+xy.at time t=5,the value of y is 3 and dy/dt=6.find the value of dx/dt at time t=5
• 一道英文数学题write an equation for the line that is perpendicular to the given line and that pass thought the given point:y=(-1/3)x+2 ;the point is (4,2)(-10)x+(8)y=3; the point is (15,12)列如:y= 5x +3; the point is (0,2) y =(-1/5)x-2 我想知道是怎么解的,
• 1.The weight of a cylinder varies as the square of the diameter when the height is constant,it also varies as the height if the diameter remains constant.Two cylinders have their oheights is the ratio 49:72.Find the ratio of their diameter if the weight of the first is twice that of the second.2.Given that x varies as the cube of y when z is constant ,and x varies as z when y is constant and also that 5x=z when y=1,find the equation connecting x ,y an
• 英语翻译1、find the domain and discuss the behaviour at the extremes2、discuss asymptots; compute the slope and the constant term,when possible3、compute the first derivative and find critical points4、compute the second derivative; discuss concavity and inflection points5、find and/or describe other possible points of interest:x and y intercepts,local minima and maxima not correspongding to a critical point,points where the function is not continuous and/or n
• 英语翻译The least integer of a set of consecutive integers (连续整数) is –126.请帮我把题干翻译成中文
• 二元一次方程组 75％x＝y-25 95％x＝y＋20