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Mercy
Questions (75)
Workings of An organic compound contains 40% carbon 6.7% of hydrogen and the third component is oxygen.If the relative molecular
1 answer
4 views
Workings of what will be the local time in Nigeria (longitude 15°) if the local time is 10pm in Ethiopia (longitude 45°)
1 answer
2 views
suppose an oil drop has a volume 0.10mm^3 and forms a film with a radius of 10cm.Calculate the thickness of the oil film
1 answer
39 views
solve for x and y
2^x+3^y is equal to 59 2^x^+^3 -3^y^+^2 is equal to 13 2 to the power of 2x+3 and 3 to the power of y+2
1 answer
30 views
solve for x and y
2^x+3^y is equal to 59 2^x+3 -3^y+2 is equal to 13 please explain in an easier method. thanks advance
1 answer
31 views
solve for x and y
2^x+3^y is equal to 59 2^x+3-3^y+2 is equal to 13
1 answer
32 views
in an experiment to estimate the size of an oil molecule ,the diameter of the patch was measured to be200mm for an oil drop of
1 answer
42 views
Given that 2√3+2√3 divided by 2√3-3√2 = m+n√6, find m+n
1 answer
44 views
Solve the simultaneous equation by elimination method 5x -2y=14 ,2x+2y=14
1 answer
96 views
The marked price of a shirt was 1800 A trader sold a shirt at a discount of 10%and made a profit of 324 what is the % profit
1 answer
148 views
The 4th term of a A.P is 6. If the sum of 8th and 9th is _72, find the common difference
1 answer
163 views
25g of a mixture of NaOh and NaCl (.as impurity ) were dissolved in 500 cm of water. If 25cm^3 of this solution we're
2 answers
144 views
Calculate the distance between Lagos (4) and cario (30)
0 answers
107 views
A rectangular field of length (X+5) metres is (x-2) metres wide. If the diagonal is (X+6) metres. Find
(A) the value of X ( B)
1 answer
172 views
In a football camp containing 107 player 62 men while the rest are women ,of the women 16 are tall while the rest are short. If
0 answers
221 views
A sample of 0.195g of Potassium was added to 500cm3 of cold water.When the reaction was finished ,100cm3 of 0.100mol/dm3
1 answer
146 views
Write a letter to your friend telling him three things you will like to do when you reach the final year in J.H.S
0 answers
161 views
Avery large open tank is full of oil whose density is800kg/m3.If the absolute pressure are the bottom of thankis1.81x10 5pa,
0 answers
305 views
Why are Australopithecus fossils kept in glass box in a museum
0 answers
228 views
Explain how a cyclist maintains stability of a moving bicycle
1 answer
175 views
A 5kg mass on horizontal platform accelerated at the rate of 0.1m/s^2 when a horizontal force of 10newton is applied to it
1 answer
245 views
A 5kg mass on horizontal platform accelerated at the rate of 0.1m/s^2 when a horizontal force of 10newton is applied to it
1 answer
209 views
Write a letter to your friend in another school discussing why you prefer your present school to the former one giving at least
1 answer
250 views
Describe briefly how pure dry crystal of calcium chloride could be obtain from a solution of calcium chloride
2 answers
290 views
X is directly proportional to the square of Y,what is the percentage change in X if y increases by25%
4 answers
721 views
4z -2(2z-3)
1 answer
212 views
4x^2-8y^2=19
2x+3y=1
1 answer
157 views
A radio station broadcast at a frequency of 0.5HZ. if the wave length is 240m. Find the speed of the wave
1 answer
324 views
Form a plane flying due esat at 265 m above sea level. The angles of depression of two ships sailing due cast measure 35° and
2 answers
848 views
2/3 greater than or equal to -16 a
1 answer
260 views
a rectangle is 8 cm long and b cm broad find the range of values of beef if the perimeter of the rectangle is not greater than
1 answer
257 views
The first and last term of an ap are 21 And -47 Respectively if the sum of the series is given as -234 Calculate the number of
2 answers
702 views
A machine with a velocity ratio of 30 moves a load of 3000N when an effort of 200N is applied. The efficiency of the machine is?
1 answer
365 views
A rectangle lawn 15m long and 10m wide has a path 2.5m round the lawn. What percentage of the lawn is the path
1 answer
308 views
A body of mass 5 kg and movingwith velocity of 2m/ s collides with another body of mass 3 kg moving with a velocity of 4 m/ s in
1 answer
437 views
A bodyof mass 0.4 if is thrown against a brick wall.when it strikes the wall,it is moving horizontally to the left at 30 m/
1 answer
704 views
A woman in a car in a level ground sees an airplane travelling in the same direction but climbing an angle of 30 degrees above
1 answer
356 views
The sum of the first 8 terms of the A.P logx,logx²,logx³,.......is
4 answers
1,521 views
four forces actas shown in the diagram above .Calculate the resultant?
1 answer
869 views
Suppose that IQ scores have a bell-shaped distribution with a mean of 95 and a standard deviation of 18. Using the empirical
1 answer
516 views
Find the sum of the first twenty term of the g.p whose third term is 4.5 and 5th term is 7.625
1 answer
286 views
A machine has a velocity ratio of 6 and the efficiency of 75%.what effort would be needed to lift the load with the aid of the
4 answers
2,442 views
A is partly constant and partly varies as B .when B=14,and B =6,A=20.find A when B =3
1 answer
413 views
I don't know how to solve this by elimination 4c - 3d=1 2c + 4d=17
1 answer
679 views
12.5g of zinc trioxo carbonate(iv), ZnCo3, were heated to a constant mass and the residue treated with excess hydrochloric acid.
2 answers
1,427 views
By means of a ripple tank, a student was able to generate series of transverse waves by varying the frequency of the dipper and
1 answer
529 views
How many gram of hydrogen chloride acid containing 10% by mass of hydrogen chloride acid would be required to dissolve 13g of
3 answers
1,292 views
A drop oil is spread on a oil of volume 10-10m3 spreads out on water to make circular film of ratios 10-1m. What is the
1 answer
615 views
The importance of Ale House in the Play SHE STOOPS TO CONQUER
1 answer
1,281 views
A car of four tyres of area 0.06m2 are in contact with the road. Calculate the maximum pressure exerted by each tyre if the car
1 answer
537 views
What is the meaning of print patch and calico patch
1 answer
694 views
Write a balance equation between ferous ammonium sulphate and kMNO4
1 answer
2,190 views
How many representative particles are in 2.5 mol H2O2?
1 answer
992 views
Does anyone here read "The Watsons Go to Birmingham - 1963"?
If so, I have a question.
4 answers
1,090 views
What is the resistivity of a cylinderical material wire whose 1.0m lenght has a resistance of 2.0 ohm? The radius of the wire is
2 answers
497 views
an aeroplane leaves an airport,flies due north for two hours at 500km/hr.it then flies 450km on a bearing 053.how far is the
1 answer
1,007 views
Subject physics a spring 20m long is streched to 25cm by a load of 50n ? What will be his length when strench to 100n assuming
3 answers
523 views
The distance between two successful crestof a water wave travelling at 3.6 m/s is 0.45m. Cal culate the frequency of the wave
2 answers
2,582 views
A wave sent out from a source is reflected back to the source in 1.9x10^-3 seconds .if the velocity of the wave is 3.0x10^8 m/s,
1 answer
1,358 views
When calculating the extremas, is there really a difference between relative and absolute extremas? Or are they just used
1 answer
402 views
How would you write open intervals for concavity? After you find the second derivative of a fuction; How would you go about
3 answers
457 views
what is the rhyme scheme for the poem:
Come, the wind may never again Blow as now it blows for us; And the stars may never again
1 answer
685 views
Why would democrats go out for revenge against Republican political groups wanting tax-exempt status.
Why would Republicans, out
1 answer
410 views
I have to compsre revenge in Wuthering Heights by Emily bronte and the contemporary issue of politics. I am doing a powerpoint
6 answers
505 views
1) What is the final amount when $3000 is invested at 3% per year simple interest for? Show all steps.
The formula is A=P(1+rt)
3 answers
1,933 views
Show full steps:
1a) Determine the formula for the nth term for 7,12,17... b) Determine the value of the 19th term,t19. 2)
6 answers
1,232 views
I am working on my English presentation for Wuthering Heights the novel. I have to create and present a comparison between a
12 answers
865 views
To determine whether a pancreas is functioning normally, a tracer dye is injected. A normally functioning pancrease secretes 4%
2 answers
1,552 views
how many 12 x 12 x 6 boxes can fit into a 22 x 22 x 22 box
1 answer
374 views
how many 12 x 12 x 6 boxes can fit into a 22 x 22 x 22 box
0 answers
307 views
Describe the new risk management processes at a nursing home in relation to state and federal mandates? I am thinking fire,
2 answers
1,170 views
How are staffing mix and levels determined in nursing homes? Staffing mix is the number of nurses, cnas, and staffing levels is
1 answer
420 views
I am a registered nurse relocating to New York and one of the requirements for license reciprocity is to take an infection
1 answer
489 views
A sample of C3H8O that contain 200 molecules contains ________carbon atoms??
3 answers
696 views
Can someone please help me with this problem? Thanks!
Evaluate the infinite geometric series: 8+4+2+1+... I thought you needed to
0 answers
763 views