1. The area of a circle is
![a = \pi {r}^{2}](https://tex.z-dn.net/?f=a%20%3D%20%5Cpi%20%7Br%7D%5E%7B2%7D%20)
![\pi = 3.14 \\ r = \frac{3.4}{2} = 1.7](https://tex.z-dn.net/?f=%5Cpi%20%3D%203.14%20%5C%5C%20r%20%3D%20%20%5Cfrac%7B3.4%7D%7B2%7D%20%20%3D%201.7)
![a = (3.14) {(1.7)}^{2} \\ = 9.0746](https://tex.z-dn.net/?f=a%20%3D%20%283.14%29%20%7B%281.7%29%7D%5E%7B2%7D%20%20%5C%5C%20%20%3D%209.0746)
The area is 9.07 cm^2.
2. The volume of a cube is
![v = {s}^{3}](https://tex.z-dn.net/?f=v%20%3D%20%20%7Bs%7D%5E%7B3%7D%20)
![s = 4.5](https://tex.z-dn.net/?f=s%20%3D%204.5)
![v = {(4.5)}^{3} \\ = 91.125](https://tex.z-dn.net/?f=v%20%3D%20%20%7B%284.5%29%7D%5E%7B3%7D%20%20%5C%5C%20%20%3D%2091.125)
The volume is 91.125 m^3
Answer: h=P/mg
Step-by-step explanation:
Answer:
4.It is continuous because the number of gallons can take on any value over a range of values.
Step-by-step explanation:
Discrete variables are ones that are disconnected. This means they take only specific values, with no values inbetween.
Continuous variables are ones that can take any value in a given range.
When measuring the gallons of gas, we can have partial gallons of gas; this means the variable can take any value in a given range, so it is continuous.
Step-by-step explanation:
.....because the coefficient of x is 2, a positive number.
2(n+7) =3n
n = 14
<span>n = 14</span>