Answer:

General Formulas and Concepts:
<u>Pre-Algebra</u>
Equality Properties
- Multiplication Property of Equality
- Division Property of Equality
- Addition Property of Equality
- Subtraction Property of Equality
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify</em>

<u>Step 2: Solve for </u><em><u>c</u></em>
- Simplify [Reduce]:

- [Multiplication Property of Equality] Cross-multiply:

Answer:
Step-by-step explanation:
x is 1,2,3,4,5
y is 14,13,12,11,10
Answer: a × ba × c = a (bc) = 0
a × ba × c = 2019-2019 = 0
Step-by-step explanation:
Answer:
14g zinc
Step-by-step explanation:
To get the mass of zinc in the metal bar, you can multiply the percentage of zinc by the total mass.
40g x .35 = 14g zinc
6d+8=14+3d
6d=14-8+3d
6d-3d=14-8
3d=6
D=6/3
D=2