Answer: x=-2
Step-by-step explanation:
What we are doing is isolating the variable
4x+3=-5
4x-3=-3 subtract 3 from five
4x=-8 divide to solve x
x=-2
Answer:
d = 7.2
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra II</u>
- Distance Formula:

Step-by-step explanation:
<u>Step 1: Define</u>
Boat A(3.1, -1)
Boat B(-4.1, -1)
<u>Step 2: Find distance </u><em><u>d</u></em>
Simply plug in the 2 coordinates into the distance formula to find distance <em>d</em>.
- Substitute [DF]:

- Subtract/Add:

- Exponents:

- Evaluate:

6hrs = school
9hrs = sleeps = 18hrs // 24hrs ----6hrs left
3hrs = plays
6hrs = other things
playing = 12.5% -- 3/24 3/24*100
other things = 25% -- 6/24 6/24*100
Hope this helped! the answer is 2^7