Answer:
3 × 3 + 2 × 5 + 12 × -4 = -29
Step-by-step explanation:
hope this helps
Answer:
161
Step-by-step explanation: 110^2/75
105 degrees is the answer
Answer:B
Step-by-step explanation:
The points are close enough together that a line of best fit can be used
Answer:
Option A is correct.
The equation = .
Explanation:
Sum of the terms of an arithmetic series is given by
, ......[1]
where n is the number of terms, is the first term and is the last term.
Given the formula for nth term in the arithmetic sequence is,
for n =1
for n =9
Then, put these values in equation [1] for n =9;
or
Therefore, the equation is;