Answer:
Step-by-step explanation:
Arithmetic sequence:
In an arithmetic sequence, the difference between consecutive terms is always the same, and this difference is called common difference.
The nth term of an arithmetic sequence is given by:
In which is the first term and d is the common difference.
In this question:
. So
Find the value of a_5
So
Answer:
Let x represent the first number and let y represent the second number.
Case I
x + y = 85
or, x = 85 - y - - - ( 1 )
Case II
y = 4 + 2x
or, y = 4 + 2( 85 - y )
or, y = 4 + 170 - 2y
or, y+2y = 174
or, 3y = 174
: . y = 58
Putting the va
Answer: A and C
Step-by-step explanation:
They both equal -4
Answer: answer in attachment.