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0 
Questions Asked

aroub:
Group Title
A weighing device measures to an accuracy of 1 in 500. If the weight of an object reads as 400 gram on the instrument, between what limits d…
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

aroub:
Group Title
How do you determine these things:
The velocity is positive and increasing; what is the rate at which the velocity increases in this (th…
 updated 2 years ago
 11 replies
 No Medals Yet
Mathematics

aroub:
Group Title
A car accelerates from rest in a straight line at a constant rate of 4.0 m/s^2 for 4.0 seconds then moves at constant speed for a further 2.…
 updated 2 years ago
 7 replies
 1 Medal
Mathematics

aroub:
Group Title
When heating a beaker or an evaporating dish, which of the following rules is/are fundamental?
a) Make sure that the beaker or dish is at…
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

aroub:
Group Title
Why do we have to put an absolute value in the final answer?!
 updated 2 years ago
 52 replies
 2 Medals
Mathematics

aroub:
Group Title
sqrt[4]{6} times sqrt[4]{36} times sqrt[4]{192}
 updated 2 years ago
 18 replies
 2 Medals
Mathematics

aroub:
Group Title
If the cell wall is fully permeable, what is the use from it?
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

aroub:
Group Title
(4sqrt of 81a^3)^5
 updated 2 years ago
 14 replies
 1 Medal
Mathematics

aroub:
Group Title
I had this question in mind for a while and would love to have a good and a truthful answer. Was Yasser Arafat a good guy? And with his peop…
 updated 2 years ago
 11 replies
 1 Medal
Mathematics

aroub:
Group Title
John took half an hour to row 3 km with the current. When he returned, he took 90 min. Find his rowing rate and speed of the current.
This…
 updated 2 years ago
 6 replies
 3 Medals
Mathematics

aroub:
Group Title
Linear Programming: ( Just a min)
 updated 2 years ago
 12 replies
 1 Medal
Mathematics

aroub:
Group Title
The decimal approximation of square root of 52 is 7.125? and then I think you have to round it..and it'll become?
 updated 2 years ago
 6 replies
 3 Medals
Mathematics

aroub:
Group Title
14 Find a decimal approximation to the nearest tenth:
i) √82
…
 updated 2 years ago
 25 replies
 2 Medals
Mathematics

aroub:
Group Title
How do you know if you have cancer or if you have diabetes? I mean, what are the symptoms? Or is there any in cancer? Because a friend of my…
 updated 2 years ago
 8 replies
 4 Medals
Mathematics

aroub:
Group Title
What is the default numbering style of ordered lists?
 updated 2 years ago
 2 replies
 1 Medal
Mathematics

aroub:
Group Title
Can I reopen a question?
 updated 2 years ago
 11 replies
 7 Medals
Mathematics

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

aroub:
Group Title
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
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