Answer:
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
- Multiplication Property of Equality
- Division Property of Equality
- Addition Property of Equality
- Subtraction Property of Equality<u>
</u>
<u>Trigonometry</u>
- [Right Triangles Only] SOHCAHTOA
- [Right Triangles Only] cosθ = adjacent over hypotenuse
Step-by-step explanation:
<u>Step 1: Identify Variables</u>
Angle θ = 30°
Adjacent Leg = <em>x</em>
Hypotenuse = 8
<u>Step 2: Solve for </u><em><u>x</u></em>
- Substitute in variables [cosine]:
- [Multiplication Property of Equality] Isolate <em>x</em>:
- Rewrite:
- Evaluate:
Answer:
I don't know, I'm just doing this to get points. lol
Step-by-step explanation:
Answer:
$0.22 per inch
Step-by-step explanation:
$13.20/5 feet =
$2.64 / 1 foot
Remember 1 foot = 12 inches
$2.64 / 12 inches =
$0.22 per inch
Hello There!
Surface area of a sphere formula:
4πr²
SA = 4π14.21²
SA = 2537.5mm³
Surface area of a cone formula:
1/3πr²5
SA = 1/3π3²15.1
SA = 142.3in³
Pyramid:
SA = 124.3
Hope This Helps You!
Good Luck :)
- Hannah ❤