4-3<9
5-3<9
6-3<9
and so on...
Step-by-step explanation:
The probability of not selecting green or yellow marble is equal to the probability of selecting red and blue marble
n(S) =17
n(A)=5 (red)
n(B)=6 (blue)
answer is 5+6/17
=11/17
Answer:
The total change in water level over the past 2 years is .
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Fractions
Numbers
- Least Common Multiple (LCM)
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify</em>
Year 1 water change:
Year 2 water change:
<u>Step 2: Find Total Water Change</u>
- [Set up] Add yearly water changes:
- [Fractions] Convert to improper:
- [Fraction] Rewrite [LCM]:
- [Order of Operations] Subtract:
- [Fraction] Convert to proper: