Answer:
Step-by-step explanation:
We know that
, because .
Now, angle 15° or 195° is not an important angle which can be solve by a given table like 30°, 45° or 60°. This means we have to use the calculator to find the more exact value, which is
Answer:
x=4/9, one solution
Step-by-step explanation:
Given: 2x+7x=4
Combine like terms: 9x=4
Divide by 9 on both sides to isolate the variable x: x=4/9
The greatest age Brooke could be is 7