Sagot :
Step-by-step explanation:
An=A1+(n-1)d
101=-13+(20-1)d
101= -13+19d
101+13=19d
114=19d
114/19 =d
6=d
where d is the common difference
thank me later
Step-by-step explanation:
An=A1+(n-1)d
101=-13+(20-1)d
101= -13+19d
101+13=19d
114=19d
114/19 =d
6=d
where d is the common difference
thank me later