Answer:
13.30
Step-by-step explanation:
$79.80 / 6 hours = $13.30
Answer:
12 en cada hucha
Step-by-step explanation:
(x+5) + (x-5) = 24
El 5 se cancela
2x= 24
x = 12
Antes de pasar las monedas: (7 en una hucha y 17 en la otra)
12-5 = 7
12 +5 =17
17+7 = 24
Answer:
A picture of the graph is attached
Step-by-step explanation:
By definition we have:
A triangular pyramid (also called tetrahedron) is a polyhedron whose surface is formed by a base that is a triangle and triangular lateral faces that converge in a vertex that is called apex (or apex of the pyramid).
It will be composed, therefore, by 4 faces, the triangular base and three lateral triangles that converge at the vertex.
Thus, the surface area is:
As = 4 * (50.5) = 202 in ^ 2
Answer:
The total surface area of the triangular pyramid is:
202 in ^ 2
Question:
Lisa walks at an average speed of 6 km/h for 15 hours.
Dan completes the same distance in an hour. Calculate Dan's average speed.
Answer:
Step-by-step explanation:
Given
Lisa:


First, we calculate the distance covered by Lisa:



So, Dan distance can be represented as:
--- Dan completes the same distance as Lisa
-- Time to complete the distance
Dan's average speed is:



<em>Hence, Dan's average speed is 90km/hr</em>