Which sentence explains the perpendiculars to parallels theorem?
a in a plane, if a line is perpendicular to one of two intersecting lines,
then it is parallel to the other line.
or if coplanar lines l and mare each perpendicular to the same line, then
they are parallel to each other.
in a plane, if a line is perpendicular to one of two parallel lines, then it
oc
is perpendicular to the other line.
if two coplanar lines l and mare perpendicular, then the negative
od. reciprocal of the slope of line l is the slope of a line that is parallel to
line m.

The rate of decay of a radioactive substance depends upon the amount present initially. the mass y (mg) of the radioactive substance cobalt-60 present in a sample at time t (years) is represented by the exponential equation y=50e −0.1315 t . answer the following questions in complete sentences. 1. how does the exponential equation above compare to the equation for simple interest that is compounded continuously? explain the similarities. 2. what is the initial amount of cobalt-60 in the sample? 2. how much cobalt-60 is left after 8.4 years? show your work. 3. what would be the y-intercept of the graph? what does it represent? 4. after how many years will the amount of cobalt-60 left be 6.25 mg? explain what happens to the cobalt-60 after 50 years? 5. discuss some “real-world” examples and uses of cobalt-60

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)