Answer:
r=-6
Step-by-step explanation:
6r-7r=13-7
-r=6
r=-6
Answer:
Step-by-step explanation:
Q1
Q2
- b) sin = opposite/hypotenuse
Q3
- Cos A = 0.1908
- A = arccos 0.1908
- A = 79° ⇒ Option c)
Q4
- tan A = 16/19
- A = arctan 16/19
- A = 40° ⇒ Option b)
Answer:
no solution
Step-by-step explanation:
no solution x=0
Answer:
20 kilometers
Step-by-step explanation:
1 trip to school= 8÷2=4 kilometres
Total number of kilometres=8x2+4=16 kilometers