eroshea
 Name:
 Joshua Amoroso
 School:
 Mapua Institute of Technology
 About:
 well.. hmm.. i'm just a loner.. >:(
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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 one year 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 one year 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 one year 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 one year 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 one year 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 one year 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 one year 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 one year 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 one year 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 one year 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 one year 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 one year 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 one year 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 one year 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 7 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 one year 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 one year 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 one year 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 one year 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 one year 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 one year 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 one year 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 one year ago
 3 replies
 No Medals Yet
Mathematics
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