Answer:
(a)
if
then
and if x<0 then 
(b)
That is straightforward from what you showed on theorem 3.25
(c)
Following the same ideas from (a) x>a or -x > a.
Step-by-step explanation:
Remember how we define the absolute value of a number.
(a)
In general

Therefore if
you have two cases, if
then
and if x<0 then 
(b)
That is straightforward from what you showed on theorem 3.25
(c)
Following the same ideas from (a) x>a or -x > a.
Answer:
a) 24
b) 16
Step-by-step explanation:
a) Total Students = 40
Boys= 40*(3/5) = 24
b) Total Students= 40
Boys= 24
Girls= (40-24) = 16
Answer:
Check pdf
Step-by-step explanation:
Answer:
A.47.5 miles is 76
Step-by-step explanation:
in real life its like 76.44, but im rounding