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Questions (11)
What is the correct representationfor an atom x with 28 electrons and 30 neutrons.?
0 answers
517 views
the angle of incidence in a glass block experiment was 35. what is the angle of refraction if the refractive index of the glass
1 answer
805 views
a radioactive sample has a half-life of 4.0 min. what fraction of the simple is lefts after 20min?
1 answer
649 views
the density of 400cm³ of palm oil was 0.9gcm before frying, if the density of the oil was 0.6gcm^-³ alter frying, assuming no
1 answer
687 views
calculate the work done if a force of 10N applied at an angle of 30 0degree to the horizontal moves the body through a distance
1 answer
926 views
Solve for 5x -6=3x -8?
1 answer
430 views
On a market day Mrs.lana walks to the market from her home at steady speed. This journey normally takes her 2 hours to complete.
1 answer
598 views
if an investor invest 450.00 in a certain organization in order to yield × as a return of 25.00. find the return in an
0 answers
539 views
If the demand function is Qd=-0.5+20,calculate the quantity demand when the price is 15.00?
1 answer
981 views
3.0g of a mixture of potassium carbonate and potassium chloride were dissolve in a 250cm standard flask. 25cm of this solution
1 answer
731 views
A corporate society charges 3 and a half percent per annum on any amount borrowed by it members.
if a man borrowed 125.000
1 answer
475 views
