You would do n+n+1= 575 and then you add all the n's and that's 2n + 1 = 575 them subtract 1 from 575 and then the problem would be 2n = 574 then
then you'd get 287. Get it?
Answer:3*(7*d)+(4e)=3*7d+4e
Step-by-step explanation:
<span>The first 5 multiples of 18 are 18,36,54,72,90
</span><span>The factors of 18 are 1,2,3,6,9, and 18. </span>
Assuming those are 45 degrees it would have to be 9 since the sides are the same.