Answer:
2046
Step-by-step explanation:
The sum of 2^0 to 2^x added is equal to 2^(x+1)-1 but because 2^0 isnt included its 2^11-2 or 2048-2
The isosceles triangle length of each leg would have to be greater than 7
Answer:
320 liters
Step-by-step explanation:
Each tank = 40 liters
8 tanks = 40 × 8 = 320
You can use this formula

a and b are the solutions to the equation
Answer:
12.56
Step-by-step explanation:
area of a circle is A=πr^2
radius is 2
a= 3.14 (2)^2
=3.14 x 4
=12.56