eroshea
 Name:
 Joshua Amoroso
 School:
 Mapua Institute of Technology
 About:
 well.. hmm.. i'm just a loner.. >:(
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 86
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 17

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 1
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 0

 Questions Asked
 3
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 0
 Medals Received
 0

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 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 86
 Questions Answered
 15
 Medals Received
 17

 Questions Asked
 2
 Questions Answered
 0
 Medals Received
 0

0 
Questions Asked

eroshea:
Group Title
The axis of the cone 2m long makes an angle of 65 degrees with its horizontal base. What is the area of the base if its volume is 5 cu. m?
 updated one year ago
 11 replies
 2 Medals
Mathematics

eroshea:
Group Title
A cube of side 5 cm is painted on all its side. If it is sliced into 1 cu. cm cubes, how many 1 cu. cm cubes will have exactly one of their …
 updated one year ago
 3 replies
 2 Medals
Mathematics

eroshea:
Group Title
The lateral area of a frustum of a regular triangular pyramid is 1081 cm^2, and the altitude and lateral edge are 24 cm and 26 cm, respectiv…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

eroshea:
Group Title
The lateral area of a frustum of a regular triangular pyramid is 1081 cm^2, and the altitude and lateral edge are 24 cm and 26 cm, respectiv…
 updated one year ago
 No Medals Yet
Mathematics

eroshea:
Group Title
A water tank in the form of an inverted frustum of a cone has an altitude of 8 ft., and upper and lower radii of 6 ft. and 4 ft., respective…
 updated one year ago
 No Medals Yet
Mathematics

eroshea:
Group Title
The size of a brick is 25cm x 12 cm x 55cm and its density is 1.8 x10^3 kg/m^3. How many trips must a 3ton dumper carry out to transport 15…
 updated 2 years ago
 No Medals Yet
Mathematics

eroshea:
Group Title
the volume of a rectangular solid is 810 cubic meter. find its dimension if they are 2:3:5.
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

eroshea:
Group Title
The volume of a regular triangular prism is 90 root 3 cubic cm. If the radius of the inscribed circle in the base is 3 cm, find the altitu…
 updated 2 years ago
 No Medals Yet
Mathematics

eroshea:
Group Title
The corresponding edges of two regular tetrahedrons are 1 cm and 3 cm. If the sum of the weights of the two tetrahedrons is 100 grams and bo…
 updated 2 years ago
 No Medals Yet
Mathematics

eroshea:
Group Title
find the volume of a regular hexahedron if one of the diagonals of its faces is 8 root 2 inches.
 updated 2 years ago
 1 reply
 2 Medals
Mathematics

eroshea:
Group Title
A cube has one face that is equal to the total surface area of anther cube. Find the ratio of their volumes.
 updated 2 years ago
 6 replies
 1 Medal
Mathematics

eroshea:
Group Title
Find the volume of a regular tetrahedron whose altitude measures 10 cm.
 updated one year ago
 29 replies
 3 Medals
Mathematics

eroshea:
Group Title
a piece of cardboard has an area of 486 cm^2. a square of side 3cm is cut from each corner and an open box is made by turning up the ends an…
 updated 2 years ago
 18 replies
 1 Medal
Mathematics

eroshea:
Group Title
The weight of a piece of crystal in the form of a regular dodecahedron is 360 lbs., and each of its edges is 10 inches long. What is the wei…
 updated 2 years ago
 3 replies
 2 Medals
Mathematics

eroshea:
Group Title
An isosceles triangle ABC, in which AB=BC=6 root 2 and AC=12 is folded along the altitude BD so that planes ABD and BDC form a right dihedra…
 updated 2 years ago
 18 replies
 1 Medal
Mathematics

eroshea:
Group Title
Two isosceles triangles ACB and ADB have a common base AB, and their planes form an angle of 30 degree. Find the distance DE between the ver…
 updated 2 years ago
 No Medals Yet
Mathematics

eroshea:
Group Title
Two isosceles triangles ACB and ADB have a common base AB, and their planes form an angle of 30 degree. Find the distance DE between the ver…
 updated 2 years ago
 8 replies
 1 Medal
Mathematics

eroshea:
Group Title
From point A 10cm from a plane P, a perpendicular line AC is drawn passing through a circle with canter C and radius of 8 cm in the plane. A…
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

eroshea:
Group Title
From point A 10cm from a plane P, a perpendicular line AC is drawn passing through a circle with canter C and radius of 8 cm in the plane. A…
 updated 2 years ago
 10 replies
 1 Medal
Mathematics

eroshea:
Group Title
Plane A which contains an isosceles right triangle forms a dihedral angle of 60 degrees with another plane B. if the hypotenuse of the trian…
 updated 2 years ago
 25 replies
 1 Medal
Mathematics

eroshea:
Group Title
A plane bisects a 90degree dihedral angle. From a point on this plane 16 in. from the common edge, perpendicular lines are constructed to th…
 updated 11 months ago
 5 replies
 1 Medal
Mathematics

eroshea:
Group Title
ABC is a right triangle with C as the right angle and sides AC=6 cm and BC=8 cm. Line segment CD is drawn perpendicular to both AC and BC at…
 updated 2 years ago
 6 replies
 1 Medal
Mathematics

eroshea:
Group Title
how to graph this in the number line?
(x^2 + 2)/(x^2+16)>0
 updated 2 years ago
 10 replies
 No Medals Yet
Mathematics

eroshea:
Group Title
The sides of an equilateral triangle measure 6cm each. Find the distance between the plane of the triangle and a point P which is 13cm from …
 updated 2 years ago
 No Medals Yet
Mathematics

eroshea:
Group Title
A flower vase, in the form of a hexagonal prism, is to be filled with 512 cubic inches of water. Find the height of the water if the wet por…
 updated 2 years ago
 No Medals Yet
Mathematics

eroshea:
Group Title
A flower vase, in the form of a hexagonal prism, is to be filled with 512 cubic inches of water. Find the height of the water if the wet por…
 updated 2 years ago
 12 replies
 3 Medals
Mathematics

eroshea:
Group Title
Angela is on her way from home in Jersey City into New York City for dinner. She walks 1 mile to the train station, takes the train of the …
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

eroshea:
Group Title
Jeff, Tom, and Chelsea order a large pizza. They decide to split the cost according to how much they will eat. Tom pays $7.77, Chelsea eats …
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

eroshea:
Group Title
Suppose that AD,BC,AC and BD are line segments with line AD parallel to line BC as shown in the figure. If AD=3 units, BC=1 unit, and the di…
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

eroshea:
Group Title
In a right triangle, the bisector of the right angle divides the hypotenuse in the ratio of 3 is to 5. Determine the measures of the include…
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics
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