Answer:
D. 4
Step-by-step explanation:
First find the area of 1 tile
= length * breadth
= 8 * 5
= 40
= 40/10000 = 0.004
no. of tiles= 1000
therefore, total area of 1000 tiles = area of room= 1000*0.004
=4
Answer:
2700
Step-by-step explanation:
(^-^)
Answer:
-3
Step-by-step explanation:
Answer:
30
Step-by-step explanation:
1. x + 40 = 3x - 20
2. 40 = 2x - 20
3. 60 = 2x
4. 30 = x
Step-by-step explanation:
Tn=ar^(n-1)
r=-10/-5=2
a=-5
Tn=-5×(2)^(n-1)
Tn=-5•(2)^(n-1)
an=5•(2)^(n-1)