Answer:
Step-by-step explanation:
The area of a regular octahedron is given by:
area = 
. Let a is the length of the edge (diagonal).
area = 
Given that the diagonal of the octahedron is equal to height (h) of the tetrahedron i.e.
a = h, where h is the height of the tetrahedron and a is the diagonal of the octahedron. Let the edge of the tetrrahedron be e. To find the edge of the tetrahedron, we use:
The area of a tetrahedron is given by:
area = 
= 
The ratio of area of regular octahedron to area tetrahedron regular is given as:
Ratio = 
Step-by-step explanation:
e = 20sin(πt/4 - π/2)
= 20[(sinπt/4)(cosπ/2) - (cosπt/4)(sinπ/2)]
Used sin(x - y) = sinxcosy - cosxsiny.
= 20[0 - cosπt/4]
Since cosπ/2 = 0 and sinπ/2 = 1.
= -20cosπt/4.
Answer:
299/9.20 = 32.5
Step-by-step explanation:
Since all the info is given, by dividing the amount of the smart phone price by the money being paid per hour, youll get the answer to how many hours are needed to buy a new smartphone. The answer is 32.5 Hours (33 hours technically since you need to work a full hour to get paid and you cant get half an hour of payment)
Answer:
25xwith an exponent of 2 minus 16y with an exponent of 2
