Answer:
3x + 0.8y
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Distributive Property
<u>Algebra I</u>
Step-by-step explanation:
<u>Step 1: Define</u>
(-4x + 4.2y) - (-7x + 3.4y)
<u>Step 2: Simplify</u>
- [Distributive Property] Distribute negative: -4x + 4.2y + 7x - 3.4y
- Combine like terms (x): 3x + 4.2y - 3.4y
- Combine like terms (y): 3x + 0.8y
Answer:
Between 19 and 55, inclusive
Step-by-step explanation:
70 < Average < 79 (inclusive)
4×70 < sum < 4×79 (inclusive)
280 < sum < 316
280 < 92 + 84 + 85 + X < 316
280 < 261 + X < 316
19 < x < 55
Fourth score can be between 19 and 55, inclusive
Answer: D. that last graph
Step-by-step explanation:
The best synonym for that kind of legend is key. Hope this helps.
55% if the percent is out of 100%. in which most weather statisics are out of 100. in which you take 100-45= giving you 55%