Answer:
n = 5 terms
Step-by-step explanation:
An = a1 + (n-1)d
9 = 3 + (n-1) 3/2
9 = 3 + 3/2n - 3/2
9 = 3/2 + 3/2n
9 - 3/2 = 3/2n
(15/2) / (3/2) = n
30/6 = n
Answer:
1. 5
2. -1
3.-41
4. 55
5.-155
Step-by-step explanation:
Answer:
15%
Step-by-step explanation:
statement. reasons
1. In tri.ABE AND TRI.DCE
I. angle D=angle A. I. corresponding angle
ii.angleC=angle B. II. correspondingangle
iii.angleE=angle E. iii.common angle
2.ABE~DCE. 2.By AAA.condition.
proved.
