Answer:
D
Step-by-step explanation:
if you look at the chart. it goes up five and has a width of 2. multiply 5 x 2 = you get 10
Volume id proportional to the cube of the dimensions.
The volume of the larger room is 10 x (2 cubed)
= 80 cubic metres.
Answer:
x = 2, y = 5
Step-by-step explanation:
x + y = 7
2x - y = -1
3x = 6
x = 2
2 + y = 7
y = 5
Answer:

Step-by-step explanation:
The principal of the amount P is deposited in an account that earns simple interest.
The interest that the account earns is r annual interest rate expressed as a decimal.
The principal P is invested for t years.
Therefore, the matured amount A will be given by
Hence, this is the formula that can calculate the A if P, r and t are known. (Answer)