







Initial velocity 
20170523 

Annelle pose la question : a body is thrown vertically downward from a height above the ground. determine the initial velocity and the height of the starting point if after 4 secs it reaches the ground with velocity of 68 m/s. Penny Nom lui répond. 





A trapezoid inscribed in a circle 
20170517 

Kameron pose la question : I have been given a challenge problem that states that Diameter AB is drawn in a circle if 10 inch. Chords AC and BD are drawn so that each is of length 12inch and ACDB is a trapezoid. Find the height, in inches, of the trapezoid Penny Nom lui répond. 





A 40 acre square 
20170514 

Richard pose la question : How many feet on each side of 40 acre square ? Penny Nom lui répond. 





A limit 
20170514 

Soham pose la question : Find out the value of the following:
lim (x+x^2 +x^3 +.........x^n–n)/(x–1)
x→1 Penny Nom lui répond. 





Two wires between two buildings 
20170511 

Bill pose la question : I need to find the height of the intersection point of two building wires< br />
Building A is 860 feet high and building B is 480 feet high. The wires existent from the top of one building to
The bottom of the other < br />
The distance between is 32 feet Penny Nom lui répond. 





What is the regular price? 
20170511 

Saira pose la question : If the sale price is 55.50$ and the discount is 12% what is the regular price Penny Nom lui répond. 





Canada's population as a percentage 
20170511 

bethmarie pose la question : What percentage of the world population (7.5 billion) is Canada's population (36 million).
Thank you very much! Penny Nom lui répond. 





Yards per second to miles per hour 
20170511 

Scott pose la question : If a soccer ball travels 30 yards or roughly .017 miles in 2 seconds how fast was the ball going in mph? Penny Nom lui répond. 





Slicing an inverted bowl at various heights 
20170430 

Joel pose la question : Find a formula to calculate the circumferences of an inverted bowl at various heights.
E.g. Take an inverted bowl with a diameter of "x" cm and a depth / height of "y" cm.
How can I calculate the circumferences at distances of various heights above the base?
Alternately, what would be the formula to calculate the distance of the line segment resulting from a line which intersects both sides of a parabola in which that line is drawn parallel to the tangent of the vertex of the parabola at any given distance from the vertex? Penny Nom lui répond. 





Jamie has twice as many video games as Mel. 
20170427 

John pose la question : Jamie has twice as many video games as Mel. Together, the boys have 24 games. how many games do each boy have Penny Nom lui répond. 





1 acre as a 2 foot wide strip of land 
20170425 

alan pose la question : How can one convert 2 acres (a square  area) of land into a strip of land that is 2 feet wide and (?) feet long? Penny Nom lui répond. 





Filling cinder blocks with concrete 
20170424 

Katherine pose la question : I am looking to construct a 10 X 10 dance floor using 8 x 16 cinder blocks.
I have figured that I will need about 120 blocks, however I am not sure
how much concrete I will need to fill the total empty space.
Thank you Penny Nom lui répond. 





Selling price and markup 
20170424 

Julie pose la question : What would the cost of an item be, if the sell price was $50 and the markup 48% Penny Nom lui répond. 





The length of a train 
20170424 

Stefano pose la question : If a freight train is coming towards you and you were traveling at 85 miles an hour and it takes 35 seconds for the train to pass you how long is the train
Figure 50mph for train Penny Nom lui répond. 





Baseball Cards 
20170420 

Raquel pose la question : A minor league baseball team gave away baseball cards to each person entering the stadium. One group receives 28 baseball cards. A second group received 68 baseball card. If each person entering the stadium receive the same number of cards, what was the greatest possible number of baseball cards that each person could have received? Penny Nom lui répond. 

