The answer will be 52. hope it helps
Answer:
I'll help you out. Question: Are you solving for A or for N?
If you're solving for A: A=10n + 7
If you're solving for N: Isolate the variable by dividing each side by factors that don't contain the variable. n = A/10 - 7/10
Hope this helped!
Step-by-step explanation:
Company A= 75+•30x150=120
Company B= 80+•25x150=117.50
Altogether company A gives the better deal at $117.50
Answer:
4.7
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Step-by-step explanation:
<u>Step 1: Define</u>
14.9 + 1/3(-12 - 27x) - 33.2
x = -3
<u>Step 2: Evaluate</u>
- Substitute in <em>x</em>: 14.9 + 1/3(-12 - 27(-3)) - 33.2
- Multiply: 14.9 + 1/3(-12 + 81) - 33.2
- Add: 14.9 + 1/3(69) - 33.2
- Multiply: 14.9 + 23 - 33.2
- Add: 37.9 - 33.2
- Subtract: 4.7
Answer:
4x² - 28xy + 49y²
Step-by-step explanation:
(2x - 7y)²
= (2x - 7yy)(2x - 7y)
Each term in the second factor is multiplied by each term in the first factor, that is
2x(2x - 7y) - 7y(2x - 7y) ← distribute parenthesis
= 4x² - 14xy - 14xy + 49y² ← collect like terms
= 4x² - 28xy + 49y²
