Find the value of x easy math question #1 please help

40 degrees

Step-by-step explanation:

Angles in a triangle add to 180 so

100+40+2x=180

140+2x=180

2x=40

x=20

2x=2(20)=40

6.5

step-by-step explanation:

you said it was in the question

~courtney

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.