20x2= 40 just like 20+20=40
Answer:
Step-by-step explanation:
+7-1
Answer:
Step-by-step explanation:
In mathematics, a curve (also called a curved line in older texts) is an object similar to a line but that need not be straight. Thus, a curve is a generalization of a line, in that its curvature need not be zero.
Answer:
The area of the rectangle in terms of 'x' = 13x
Step-by-step explanation:
Using the perimeter formula to find the width w.



Dividing both sides by 2

as P = 30 cm


cm
Using the formula of the rectangle area

substitute w = 13 and l = x in the formula


Therefore, the area of the rectangle in terms of 'x' = 13x