Answer:
slope = 1/2
Step-by-step explanation:
Pick two convenient integer coordinates
I'll use (0,-1) and (2,0)
slope = (y1-y2)/(x1-x2) = (-1-0) / ( 0-2) = 1/2
Answer:
0.28
Step-by-step explanation:
Milk, water and aluminum foil
Answer:
A. 112π units³
General Formulas and Concepts:
<u>Symbols</u>
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Geometry</u>
Volume of a Cone Formula: ![\displaystyle V = \frac{1}{3} \pi r^2h](https://tex.z-dn.net/?f=%5Cdisplaystyle%20V%20%3D%20%5Cfrac%7B1%7D%7B3%7D%20%5Cpi%20r%5E2h)
- <em>r</em> is radius
- <em>h</em> is height
Step-by-step explanation:
<u>Step 1: Define</u>
Radius <em>r</em> = 4
Height <em>h</em> = 21
<u>Step 2: Find Volume</u>
- Substitute in variables [Volume of a Cone Formula]:
![\displaystyle V = \frac{1}{3} \pi (4)^2(21)](https://tex.z-dn.net/?f=%5Cdisplaystyle%20V%20%3D%20%5Cfrac%7B1%7D%7B3%7D%20%5Cpi%20%284%29%5E2%2821%29)
- Evaluate exponents:
![\displaystyle V = \frac{1}{3} \pi (16)(21)](https://tex.z-dn.net/?f=%5Cdisplaystyle%20V%20%3D%20%5Cfrac%7B1%7D%7B3%7D%20%5Cpi%20%2816%29%2821%29)
- Multiply:
![\displaystyle V = \frac{16 \pi}{3}(21)](https://tex.z-dn.net/?f=%5Cdisplaystyle%20V%20%3D%20%5Cfrac%7B16%20%5Cpi%7D%7B3%7D%2821%29)
- Multiply:
![\displaystyle V = 16 \pi \cdot 7](https://tex.z-dn.net/?f=%5Cdisplaystyle%20V%20%3D%2016%20%5Cpi%20%5Ccdot%207)
- Multiply:
![\displaystyle V = 112 \pi](https://tex.z-dn.net/?f=%5Cdisplaystyle%20V%20%3D%20112%20%5Cpi)