Answer:
10a + 2b
Step-by-step explanation:
Add the lengths of all sides:
3a + b + b + 2a - b + 3a + b + b + 2a - b
Now combine like terms:
10a + 2b
10x + 40 = 100
A restaurant owner sells each plate of rice for 10 dollars plus an additional 40 dollars for the entrance. Mack goes to that restaurant and pays 100 dollars in total. How much plates of rice did he order?<span />
Answer:
<u>10</u>
Step-by-step explanation:
Formula :
Finding a₅ :
- a₅ = -5 + a₄
- a₅ = -5 + 20
- a₅ = 15
Finding a₆ :
- a₆ = -5 + a₅
- a₆ = -5 + 15
- a₆ = <u>10</u>
Answer:

Step-by-step explanation:
When variables have negative exponents, switch their positions.
