x = Nick's age y = Sara's age
Nick is 8 years older than Sara, therefore
y = x - 8
Answer:
Step-by-step explanation:
For this exercise you need to remember the following Trigonometric Identity:
You must observe the figure given in the exercise.
You can notice that the given triangle UVW is a Right triangle (because it has an angle that measures 90 degrees).
So, you can identify in the figure that:
Knowing these values, you can substitute them into :
Now you must evaluate:
Finally, rounding to the nearest hundreth, you get:
Answer:
Afful is 21 and Naomi is 13.
Step-by-step explanation:
Let represent the age of Afful and represent the age of Naomi.
The sum of their ages is 34. In other words:
In 5 years time, Afful will be two times the age of Naomi <em>now</em>. In other words:
Solve for the system. Substitute.
Afful is currently 21 and Noami is currently 13.