Answer:
Step-by-step explanation:







Answers in order:
7 + 7b - 4 = -6
7b + 1 = -6
7b = -7
b = -1
Hope this helps!
Answer:
I don't know but i think the answer is:
3/8 and 1/2
Step-by-step explanation:
add both and the answer is there
Answer:
Step-by-step explanation:
we have
-----> equation A
----->
-----> equation B
Substitute equation B in equation A
solve for Y
Answer:
The right answer is:
Option OB: f(1) = -9
Common difference: 7
Step-by-step explanation:
Given sequence is:
-9, -2, 5, 12,...
Here the first number is f(1)
Common Difference:
Common difference is the difference between consecutive terms of an arithmetic sequence. It is denoted by d.
In the given sequence,
f(1) = -9
f(2) = -2
f(3) = 5

Hence,
The right answer is:
Option OB: f(1) = -9
Common difference: 7