Joshua borrowed $1000 from his friend and paid him back $1050 in six months . what simple annual did joshua pay his friend

Joshua paid his friend a simple annual interest of 10%.

Step-by-step explanation:

As Joshua borrowed $1,000 from his friend and paid him back $1,050 in six months, we can affirm that he paid $50 of interest after six months. So, as after half a year he paid a $50 interest, he would have paid $100 after a year. As 100 is the 10% of 1000, we can say that he paid his friend a simple annual interest of 10%.

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.

step-by-step explanation: