Oh, what a happy little question! To find the area of a trapezium, you can use the formula: 1/2 * (sum of parallel lengths) * height. So, for this trapezium with lengths of 5cm and 7cm, and a height of 3cm, the area would be 1/2 * (5 + 7) * 3 = 1/2 * 12 * 3 = 18 square centimeters. Just imagine that beautiful shape on your canvas!
5*3 = 15 square metres.
What is the additive inverse of the polynomial –9xy2 + 6x2y – 5x3?
15
15
An expression. It can be factored out slightly too: 2x6 + 5x3 - 7x4 = x3(2x3 - 7x + 5)
30
no (5x3)
5.3
The answer is 21
-5
5x3