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edsgirl17:
Group Title
Optics!! A 1.5 cm image is produced on the screen of a camera when a picture is taken of a 80m tall tree what is the magnification?
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

edsgirl17:
Group Title
two points x and y are 100m apart on the same side of a river, the lines of sight to the far end of the bridge, z, make angles of 85.6 degre…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

edsgirl17:
Group Title
a ship of height h=15m from a lighthouse. from the top of the lighthouse, the angle of depression to the top of the mast and the base of the…
 updated one year ago
 8 replies
 1 Medal
Mathematics

edsgirl17:
Group Title
what is the maxium of h(t)=2+24T4.9t^2
 updated one year ago
 11 replies
 1 Medal
Mathematics

edsgirl17:
Group Title
the underside of a concerte bridge forms a parabolic arch that is 32m wide at the ater level and is 12m high at the center. the under surfac…
 updated one year ago
 No Medals Yet
Mathematics

edsgirl17:
Group Title
PLEASE HELP!! the sum of two numbers is 26. The sum of their sqaures ia a minimum. find the numbers???
 updated one year ago
 4 replies
 1 Medal
Mathematics

edsgirl17:
Group Title
find the center and radius of the circle x^2+y^2+8x divided by 6y =0
 updated one year ago
 63 replies
 1 Medal
Mathematics

edsgirl17:
Group Title
What is a point equal distance from all four points a(10,45) (25,20) (42,37) and (33,52) use the midpoint ,slope ,distance and equation of a…
 updated one year ago
 15 replies
 No Medals Yet
Mathematics

edsgirl17:
Group Title
A triangle has angles (3,5) (6,5) (0,1) what is the point of intersection of its altitudes
 updated one year ago
 14 replies
 2 Medals
Mathematics

edsgirl17:
Group Title
A small school has 100 students who occupy three classrooms. A, B and C after the first period of the school day half of the students in roo…
 updated one year ago
 5 replies
 1 Medal
Mathematics

edsgirl17:
Group Title
In a white water relay race, one kayak team averaged 26km/h downstream but only 6km/h upstream in the white water course. What was the rate …
 updated one year ago
 10 replies
 1 Medal
Mathematics

edsgirl17:
Group Title
Marcia a lab technician needs three liters of an 8% saline solution. She has a 5% and 9% solution in the lab stock room. How many liters of …
 updated one year ago
 6 replies
 1 Medal
Mathematics

edsgirl17:
Group Title
(x^2y)^3 simplify

(xy)^2
 updated 2 years ago
 3 replies
 3 Medals
Mathematics

edsgirl17:
Group Title
What is 7+5[(841)^2+(2)^3]^2+(4/18+16/9)^2+(18/3)
 updated 2 years ago
 7 replies
 1 Medal
Mathematics

edsgirl17:
Group Title
What 5 times 57
 updated 2 years ago
 12 replies
 4 Medals
Mathematics

edsgirl17:
Group Title
find the surface area and volume of this shape...
 updated 2 years ago
 23 replies
 3 Medals
Mathematics

edsgirl17:
Group Title
X +2. X  2
 = 
2. 5
…
 updated 2 years ago
 2 replies
 1 Medal
Mathematics

edsgirl17:
Group Title
if there is a rectangle (with dimentions 8 by 2) filled with eight smaller rectangles(2 by 1) how many different arrangements can be made
 updated 2 years ago
 11 replies
 1 Medal
Mathematics