Partial sum of arithmetic series = n(a1+an)/2 a1=14 an=-280 an=a1+d(n-1), d=2-8=-6 -280=14-6(n-1) -294=-6n+6 -300 = -6n n=-300/(-6)=50 partial sum of arithmetic series = 50(14-280)/2=-6650
answered: Guest
a) 0,0; 1,1; and 2,2
step-by-step explanation:
these have the exact same coordinates, thus they are the correct function.
The lengths of the two sides of a right triangle are 5 inches and 8 inches what is the difference the possible lengths of the third side of the triangle