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Black mamba
Questions and answers by visitors named
Black mamba
Questions (19)
a geometric progression has the second term as 9 and the fourth term as 81. find the sum of the first four terms.?
5 answers
3,576 views
an aeroplane flies from kubwa(lat 15 ,long 18w) to another town ,bako at the same latitude for 8hrs at long 23E .it then changed
1 answer
410 views
When 157 grams of caso4 are dissolved in enough water to yield a volume of 7.24×10^2 milliliter of solution the molarity of the
3 answers
1,074 views
How many milliliter of 4m of naoH must be added to 100ml of 0.2000m H2S04 solution to completely neutralise the acid .the
3 answers
410 views
When a know standard resistor of 2.0Ω is connected to the 0.Ocm end of a meter bridge,the balance point is found to be at
1 answer
339 views
In a village, the population is not more than 6000.
If there are; 10% more boys than girls 15% more women than men 20% more
1 answer
438 views
a motor car is uniformly retarded and brought to rest from a velocity of 50km/h in 10sec. find its retardation and the distance
7 answers
2,557 views
A current of 21A is passed through a 20m length of two conducting wire placed 125 cm apart.Determine the force of attraction
3 answers
486 views
A coil of 50turns is pulled in 0.02secs from between the poles of a magnet where it's area includes 31× 10^-5 Weber to a place
1 answer
419 views
an electrical appliance take 5A when operated on a 220V supply. If the appliance is operated from 6am - 6am at 10kobo per KWh
5 answers
1,037 views
If x=y=x+y, find the value of (2=3)=5?
3 answers
282 views
A fixed mass of an ideal gas absorbs 1000J of heat and expands under a constant pressure of 20 kPa from a volume of 25x10(-3) m3
3 answers
994 views
If some oxygen gas at 1.01x10fifth NM-3 without changing the temperature, what pressure will the oxygen gas exert.?
1 answer
317 views
(2x 5)2 (x-3)?
3 answers
279 views
A binary operation x defined on the set of integers is such that m x n =m+n+mn for all the integers m and n. Find the inverse of
3 answers
693 views
KHCO³ is contaminated with K²CO³ as impurity. If 2.5g of the impure KHCO³ on heating produces 0.224dm³ if CO² at s.t.p,
3 answers
888 views
a rectangle picture 7cm by 9cm is enclosed by a frame 1\2cm wide. calculate the perimeter of the picture?
3 answers
859 views
a ship leaves a port p and sail 30km due south. it then sail due west until it reaches a location H which is 60km from the
3 answers
656 views
if log2(x 2) =2log2y express x in term of y?
3 answers
1,368 views
