Answer:
1) 5/9
2) 4/7
3) 3/8
Step-by-step explanation:
1) 5/9
2) 4/7
3)3/8
The exact value of sin (-270) is determined using the calculator in degrees mode. The answer is equal to 1. If the radians mode is used, -270 is equal to -2 pi/3. Hence using the calculator, we can verify that the answer is still 1. The value of -270 matters.
Answer:
General Formulas and Concepts:
- Order of Operations: BPEMDAS
- Distance Formula:
- Midpoint Formula:
Step-by-step explanation:
<u>Step 1: Define</u>
(5, -1)
(-9, -1)
<u>Step 2: Find distance </u><em><u>d</u></em>
- Substitute:
- Simplify:
- Subtract/Add:
- Evaluate:
- Evaluate:
<u>Step 3: Find Midpoint</u>
- Substitute:
- Subtract:
- Divide:
3x+7=22
Subtract 7 to both sides
3x=15
Divide by 3
x=5