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Questions Asked

aroub:
A manufactor of ice skates can produce as many as 60 pairs of hockey skates as many as 45 pairs of figure skates per day. It takes 3 hr of l…
 updated 2 years ago
 8 replies
 2 Medals
Mathematics

aroub:
I just want to check my answer:
When traveling with the wind, a plane flies 300 miles between Chicago and Columbus in 40 minutes. It retu…
 updated 2 years ago
 4 replies
 3 Medals
Mathematics

aroub:
The digit in the tens place of a two digit number is six more than twice the digit in the ones place. If the two digits were reversed, the n…
 updated 2 years ago
 30 replies
 3 Medals
Mathematics

aroub:
In a ship race Hana completed 20 km downstream in 3 hr. If the return trip took 4 hr 20 min, how fast can
she paddle in still water?
 updated 2 years ago
 20 replies
 2 Medals
Mathematics

aroub:
Flying against a head wind, Steve took 25 hours to fly 22,700 km to Ohio. With no change in the wind, the return flight took 22 hours. What …
 updated 2 years ago
 4 replies
 2 Medals
Mathematics

aroub:
Given two sides of a triangle have the same length such that the remaining side is one third as long as each of the other sides. If the peri…
 updated 2 years ago
 4 replies
 1 Medal
Mathematics

aroub:
A ship is cruising at a rate of 28 nautical miles per hour in still water takes one and a half as long to travel a distance d upstream than …
 updated 2 years ago
 13 replies
 4 Medals
Mathematics

aroub:
John's boat travels at a speed of 20km/hr in still water. He covers a distance of 90 km rowing against the current. He then covers the same …
 updated 2 years ago
 7 replies
 2 Medals
Mathematics

aroub:
The length of the diagonal of a rectangle with length x and width x  1 is:
 updated 2 years ago
 10 replies
 2 Medals
Mathematics

aroub:
If DEF is a triangle such that E = 90°, DE = f, DF =e and EF = d, then f^2 =
 updated 2 years ago
 18 replies
 2 Medals
Mathematics

aroub:
Triangle PQR is equilateral with altitude of length 7sqrt3. What is the perimeter of triangle PQR?
 updated 2 years ago
 16 replies
 4 Medals
Mathematics

aroub:
If you want to solve system of linear equation by substitution you ( for example ) :
Equation (1)
…
 updated 2 years ago
 12 replies
 4 Medals
Mathematics

aroub:
Prove: MNCP is a trapezoid
 updated 2 years ago
 17 replies
 3 Medals
Mathematics

aroub:
Given that PNMQ is a rectangle, triangle ACB is right at B and segment BR is perpendicular to segment AC. Show that
a) AQ/AR = QM/BR
…
 updated 2 years ago
 49 replies
 3 Medals
Mathematics

aroub:
( Pythagorean Theorem )
Find x:
 updated 2 years ago
 13 replies
 3 Medals
Mathematics

aroub:
The Pythagorean Theorem!
Find x:
 updated 2 years ago
 39 replies
 6 Medals
Mathematics

aroub:
It took Wally t minutes to commute to work in the morning. Due to rush hour traffic, his return trip took an extra 18 minutes. Given that th…
 updated 2 years ago
 23 replies
 4 Medals
Mathematics

aroub:
Is there any difference if they asked you,
How is the solution set of a conjunction statement found ?
…
 updated 2 years ago
 8 replies
 3 Medals
Mathematics

aroub:
Can you cross multiply in inequalities ?
 updated 2 years ago
 18 replies
 5 Medals
Mathematics

aroub:
What is the process by which a soluble solid is separated from its solvent?
 updated 2 years ago
 11 replies
 3 Medals
Mathematics

aroub:
I have a suggestion ( don't know if it's good enough ) :
Add colours to the draw box. …
 updated 2 years ago
 52 replies
 10 Medals
Mathematics

aroub:
I need help with proofs ( statements and reasons )
Given : Segment AB is parallel to segment EF …
 updated 2 years ago
 9 replies
 3 Medals
Mathematics

aroub:
The voltage in series is equal?
 updated 2 years ago
 22 replies
 2 Medals
Mathematics

aroub:
Dana works in a restaurant. It takes her 4 hours to clean a load of dishes. Her colleague Tim can do the same job in 6 hours. If they work t…
 updated 2 years ago
 9 replies
 14 Medals
Mathematics

aroub:
At 9:00 A.M. a car leaves a certain town at a speed of 90 km/hr. After 60 minutes another car leaves the same town to follow the first car. …
 updated 2 years ago
 23 replies
 8 Medals
Mathematics

aroub:
Given that 20m=50t
find m+t/mt
 updated 2 years ago
 27 replies
 4 Medals
Mathematics

aroub:
Michael has 10 liters of an 80% acid solution. How many liters of water should she add to form a 40% acid solution?
I got 360! O.o
 updated 2 years ago
 16 replies
 3 Medals
Mathematics

aroub:
why is the following an invalid websafe hexadecimal color value?
#004466…
 updated 2 years ago
 37 replies
 6 Medals
Mathematics

aroub:
what's 'hexadecimal' ?
and please give valid and invalid examples about it so I could understand :)
 updated 2 years ago
 34 replies
 7 Medals
Mathematics

aroub:
c=π^2 r
if c is directly proportional to r …
 updated 2 years ago
 22 replies
 3 Medals
Mathematics
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