Find the dimensions, the width is 60 area=240-400x sq yds

The dimensions are (4 - 6.67x) yards by 60 yards.

Step-by-step explanation:

The area of a rectangle given by the equation A = LW, where L is the length and W is the width of the rectangle.

⇒ ............. (1)

Now, the width is given by 60 yards i.e. W = 60 and the area is given by (240 - 400x) sq. yards i.e. A = 240 - 400x.

Therefore, from equation (1) we get,

Therefore, the dimensions are (4 - 6.67x) yards by 60 yards. (Answer)

a net is a diagram that shows a “flattened” view of a solid. in a net, each face and base is shown with all of its dimensions. a net can also serve as a pattern to build a three-dimensional solid.

a pyramid is a three-dimensional object with a base that is a polygon and triangular faces that meet at one vertex.

" the net of a triangular pyramid consists of four triangles. the base here we are given of the pyramid is a equilateral   triangle, and the lateral faces are also triangles "

answer is 8x+24

area of vanessa's patio = length × width

given, length = (3x² + 5x + 10)

width = (x² - 3x - 1)

area of vanessa's patio = (3x² + 5x + 10)(x² - 3x - 1)

= 3x²(x² - 3x - 1) + 5x(x² - 3x - 1) + 10(x² - 3x - 1)

= 3x⁴ - 9x³ - 3x² + 5x³ - 15x² - 5x + 10x² - 30x - 10

= 3x⁴ - 4x³ - 8x² - 35x - 10

hence, expression of vanessa's patio = (3x⁴ - 4x³ - 8x² - 35x - 10)