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

eroshea:
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:
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:
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:
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:
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:
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

ghfgh:
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 one year ago
 1 reply
 No Medals Yet
Mathematics

eroshea:
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 4 months ago
 5 replies
 1 Medal
Mathematics

eroshea:
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:
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:
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

itscheli13:
what is the 10th term of the arithmetic sequence 4, 12, 36
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

eroshea:
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:
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:
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:
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

blahhbblahhh:
what is the solution set for x + 2 = 5
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

eroshea:
please take a look at the diagram..
 updated one year ago
 13 replies
 1 Medal
Mathematics

eroshea:
If ABCDE is a regular pentagon and diagonals EB and AC intersect at O, then what is the degree measure of angleEOC?
 updated 3 months ago
 7 replies
 1 Medal
Mathematics

eroshea:
A regular hexagon A has the midpoints of its edges joined to form a smaller hexagon B. This process is repeated by joining the midpoints of…
 updated one year ago
 21 replies
 1 Medal
Mathematics

eroshea:
The ratio of areas between two similar triangles is 1:4. if one side of the smaller triangle is 2 units, find the measure of the correspondi…
 updated one year ago
 6 replies
 3 Medals
Mathematics

eroshea:
Find the number of sides of each of the two polygons if the total number of sides of the polygons is 13, and the sum of the number of diagon…
 updated 5 months ago
 30 replies
 2 Medals
Mathematics

Ruhhr:
Find the length of the length of the altitude drawn to the hypotenuse. The traingle is not drawn to scale
 updated one year ago
 9 replies
 No Medals Yet
Mathematics

kphilips2010:
given f(x) = 3 + x find f(3)
…
 updated one year ago
 6 replies
 4 Medals
Mathematics

rcb95:
If f(x) = x² + 1 and g(x) = 3x + 1, find f(1) + 5g(3).
 updated one year ago
 2 replies
 3 Medals
Mathematics

rcb95:
If f(x) = x² + 1 and g(x) = 3x + 1, find [f(4)]².
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

rcb95:
Evaluate f(x) = x² + 1 for f(10).
 updated one year ago
 2 replies
 1 Medal
Mathematics

Ruhhr:
Find the geometric mean of the pair of numbers 3 and 6
A  2√6 .. B 18 .. C3√2 .. D√21..
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

eroshea:
arcsinxarccosx=0
i know the answer is 45, but i dont know how to solve for it
 updated one year ago
 4 replies
 2 Medals
Mathematics

Reyjuanx10:
Why is sin function involved in TAN (A/2)
 updated one year ago
 2 replies
 2 Medals
Mathematics
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