Answer:
17900
Step-by-step explanation:
First term a = -19
common difference d = -15-(-19) = 4
number of terms, n = 100
sum of first 100 terms,
n/2(2a+(n-1)d)
= 100/2(2×(-19)+(100-1)4)
= 50×(-38+99×4)
= 50×358
= 17900
Answer:
0.15
Step-by-step explanation:
3divided by 2
Answer:
5x + 10 = 240
Step-by-step explanation:
Answer:
The awswer is red. it only makes sense
