The correct answer is perpendicular based on the concept of Parallel and Perpendicular lines from Khan Academy.
Answer:
Davide is 10 years old.
L'età di Davide è 10.
Step-by-step explanation:
The average ages of Aldo, Bruno, Carlo, and Davide amount to 16 years.
Let’s denote:
x for Aldo's age.
y for Bruno's age.
z for Carlo's age.
w for Davide's age.
The average for all four is 16 years.
This gives us:


Excluding Davide, the average age of the other three is 18. Therefore:


Substituting into the original equation:



Hence, Davide’s age is indeed 10.
L'età di Davide è 10.
Complete Question
Angela has constructed a wedge-shaped pillow for her TV watching needs. It contains 0.35 m³ of fluffy material. The pillow's base area measures 0.5m², and its height stands at 1m.
What is the length of the pillow?
Provide an exact answer (no rounding).
Answer:
1.4m
Step-by-step explanation:
A wedge can be defined as a Triangular prism. Thus,
The volume formula for a wedge (Triangular prism) is given by: 1/2 × B × H × L
b = 0.5m
h = 1 m
l =??
Volume of the wedge = 0.35 m³
0.35 = 1/2 × 0.5 × 1 × L
0.35 = 0.25 × L
Solving for L, we get: L = 0.35/0.25
L = 1.4m