Question

Answer the following questions as requested.
XVII. "The cost of a note book is twice the cost of a pen. Write a new
variables to represent this statement
XVIII. Find the curved surface area of a sphere with radius 7 cm
XIX. Find the mode of following observations. 17,10,13,18.22.13.26.3.13.19
XX. If 5 are added to each hiobservation of the data, what will be the new
Medlan?
XXI. IP (E) = 0.37 then what is the probability of not event E?
XXI. Write the rationalize factor of​

Answer 1

Answer:

XVII . Given that cost of a notebook (x) is twice the cost of a pen(y). So, x = 2y. x – 2y = 0 is the linear equation in two variables that represent the statement.