Answer:
x=12
Step-by-step explanation:
1+3x=37
First minus 1 on the left and right hand side.
1-1+3x=37-1
Whenever you move a number to the other side , the sign changes. For example, you need to move 8 to the right side. Then the sign changes from positive to negative -8.
3x=36
Divide by 3 for both sides.
x=12
Check the answer:
1+3(12)=37
37=37
Answer:
- 4. -3
- 5. -1/2
- 6. 1/2
- 7. 4
- 8. 0
- 9. undefined
Step-by-step explanation:
<u>Use of slope formula:</u>
4.
- m = (7 - 4)/(1 - 2) = 3/-1 = -3
5.
- m = (-2 - 0)/(3 - (-1)) = -2/4 = -1/2
6.
- m = (5 - 3)/(5 - 1) = 2/4 = 1/2
7.
- m = (3 - 0)/(3.5 - 4.25) = 3/0.75 = 4
8.
- m = (3/4 - 3/4)/(5 - 2) = 0
9.
- m = (2 - 3)/(7.5 - 7.5) = -1/0 = undefined
Answer:
7.1
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>
[3² × (2.4 ÷ 4)] + 1.7
<u>Step 2: Evaluate</u>
- [Brackets] Exponents: [9 × (2.4 ÷ 4)] + 1.7
- [Brackets] (Parenthesis) Division: [9 × 0.6] + 1.7
- [Brackets] Multiplication: 5.4 + 1.7
- Add: 7.1
open circle means less than or greater than (NO EQUALS)
line to the left means less than
x< 2
Choice A
closed circle means less than or equal to or greater than or equal to
line to the left means less than
x<=-4.25
Choice B