Answer:
11600kg
Step-by-step explanation:
Given parameters:
Density of aluminium = 2900kg/m³
Volume needed = 4m³
Unknown:
Mass of the aluminum needed = ?
Solution:
Density is the mass per unit volume of a substance.
Mathematically;
Density = 
Mass = density x volume
Now, insert the parameters and solve;
Mass = 2900 x 4 = 11600kg
Each apple pie is $9.75 use that to determine the others.
If ya meant pi as in π
π is defined as the ratio between the circumference and diameter of any circle
the definition of pi is
Answer:
y=.1x+40; Your total monthly bill is $48 for 80 text messages.
Step-by-step explanation:
y is your total bill
x represents each text message
40 is you cellphone bill cost
.1 is the cost per text message
(y=.1x+40 becomes your equation)
plug 80 to represent "x"
y=.1*80+40 ---> y=48
your total monthly bill is $48
