Answer:
(2). <em>b - (a + c)i </em>
Step-by-step explanation:
= [( i )²]³ × i = ( - 1)³ i = - i
= 
× i = i
a(- i ) + b( 1 ) - c( i ) = - ai + b - ci = <em>b - (a + c)i</em>
Answer:
1,436.03
Step-by-step explanation:
Answer:
k + a = 62
k = 31 + a
Step-by-step explanation:
Given that:
Sum of ken and Alan's age = 62
Ken is 31 years older than Alan
k + a = 62 - - - (1)
k = 31 + a - - - (2)
Hence, the system of equation which best describes the ages of Ken and Alan are:
k + a = 62
k = 31 + a
Answer:
x=3 hope this helps (:
Step-by-step explanation:
