Question

Answer the following questions as requested.
XVIL. "The cost of a note book is twice the cost of a pen." Write a linear equation in two
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 26.9,13,19
XX. If 5 are added to each observation of the data, what will be the difference in the
Median?
XXI. If P (E) = 0.37 then what is the probability of not event E?
XXII. Write the rationalize factor of ​

Answer 1

Answer:

Nahi aata answer mujhe... xD

Answer 2

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.