Answer:
0
Step-by-step explanation:
-20.5 is the same as -20.5
, since anything to the zero power is equal to 1.
81 is the perfect square because 9 * 9
Answer:
6. c. 120
7. $6.45
Step-by-step explanation:
1. 150 x 0.20 = 30
2. 150- 30= 120
1. 43 x 0.15= 6.45
ASA
Because the side between two equal angle is equal here. Because "The sides opposite to equal angles of a triangle are equal."
Answer:
5 months
ROI = 3.75 %
Step-by-step explanation:
Since,
The simple interest formula,

Where,
P = Principal amount,
r = rate per period ( in decimal )
t = number of periods,
Here, P = 800, r = 9% = 0.09,
If A is the future amount,
We have, A = 830
I = A - P = 830 - 800 = 30
By substituting the values in the above formula,



Hence, it will take 5 months. ( 1 year = 12 months )
Now,


