Answer:
s(x) = 10/x
Step-by-step explanation:
There are x number of people. When you divide an amount by x, you get
amount/x
Here, the amount is 10 since you bought 10 pizzas, so each person gets
10 divided by x.
s(x) = 10/x
 
        
             
        
        
        
Answer:
x^-5 = x to the power of negative 5 
Step-by-step explanation:
Which of these is equivalent to 1 over x to the power of 5 ? 
Mathematically this is expressed as
(1/x)⁵ 
We have a rule when it comes to expressing power
(1/a)^b = a^-b
Hence, applying this rule to our question
(1/x)⁵ = (1/x)^5 
= x^-5
This is written in words as:
x to the power of negative 5 
 
        
             
        
        
        
Answer: 8/9
Step-by-step explanation: 0.888... can be simplified to 8/9.
 
        
             
        
        
        
Question
Kelly saved $150. That is 50% of the money she earned this summer. How much did Kelly earn this summer?
Answer:
<h2>
300$</h2>
Step-by-step explanation:
50% = 1/2 = 0.5 
150 is the 50% of the money she earned this summer.
Solution
150 * 2 = 300$
 
        
                    
             
        
        
        
Answer:
a = 8 cm
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>Geometry</u>
Volume of a Cube Formula: V = a³
- <em>a</em> is a side length
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify variables</em>
<em>V</em> = 512 cm³
<u>Step 2: Find </u><em><u>a</u></em>
- Substitute in variables [Volume of a Cube Formula]:                                    512 cm³ = a³
- [Equality Property] Cube root both sides:                                                      8 cm = a
- Rewrite:                                                                                                             a = 8 cm