A car travled 20 miles in 0.4 hours. what was the cars speed? Include units of measure.

5

Step-by-step explanation:∧

distance=20 miles

time=0.4

speed=20/0.4

     Answer=5

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

hope this : )

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.