1)given that the area of circle is 64 square centimetres, find the diameter of the circle 2)The length of a rectangle is 3 times the width ,its perimeter is 48 centimeters , find the width of the rectangle . A boarding school needs to allocate students into dormitories when school starts...
A rectangle is one unit longer that it is wide. If the area of this rectangle is equal to 552 square units, find its perimeter. 15. The dimensions of a right triangle are such that the shorter leg is seven units shorter than the longer leg. If the area of this right triangle...
Find the rectangle’s length and breadth if the perimeter is 30 meters. Solution: Consider the length of rectangle = 2x The breadth of the rectangle = x The perimeter of the rectangle = 30 According to the given data, 2(x + 2x) = 30 2(x + 2x) = 30 writing the equation 2(x)...
Write the equation of the circle that contains the given point Pand has its center at the origin.1. find x if the distance between(1,3)and (x,9)is 10.2. find the area of the rectangle with vertices A(-3,0), B(-2,-1), C(1,2), and D(0,3). 请懂的朋友们帮我写出解答的...
The naming of second-degree equations, "quadratic," has to do with the roots of mathematics, which lie in geometry. Here's how it works: Imagine that a rectangle is two feet wider than it is long. How is the area of that rectangle expressed? Give the length of the rectangle a name ...
The perimeter of rectangle is 20cm. If the length of rectangle is 6cm, then its breadth will be: 6.矩形周长 20cm。如果矩形的长度为 6cm,则 其宽度为: a) 4 cm b) 6 cm c) 10 cm d) 14 cm Answer/Explanation 回答/解释 Answer: (a) Explanation: Perimeter of rectangle = 2(Length+...
Unit vectors have length 1. To find the unit vector in the same direction as a vector r divide the vector by its length: rˆ = r|r|. 8. Any vectors in the plane can be represented in terms of i = (1, 0) and j = (0,1) and in three dimensions by i = (1,0, 0)...
The other term is either plus or minus two times the product of the square roots of the other two terms. The -7 term immediately says this cannot be a perfect square trinomial. The task in completing the square is to find a number to replace the -7 such that there will be a perfect...
You might find these chapters and articles relevant to this topic. Nonlinear equations Navid Mostoufi, Alkis Constantinides, in Applied Numerical Methods for Chemical Engineers, 2023 1.2 Types of roots and their approximation All the nonlinear equations presented in this chapter can be written in the...
To find the gradient of the line take any two points on the line (x1, y1) and (x2, y2). The gradient=change in ychange in x=y2−y1x2−x1 Example 2.1 Find the gradient of the lines given in Figure 2.2(a)–(c) and the equation for the line in each case. Sig...