Answer:
-63
Step-by-step explanation:
This arithmetic progression
The formula is a+(n-1)d
a means the first value
n is the nth term
d is the difference
So a is -5
n is 30
d is -2
So let's substitute
-5+(30-1)-2
-5+(29)-2
-5-58
-63
Therefore the final answer is-63
Just follow the step and the general formula, you will get your final answer
The answer for 6440/28 is 240.
The mean should be about the same, because the sample is random
Answer:
X=22
Step-by-step explanation:
Your answer would be <span>30 m²!
: D</span>
