aman
Most popular questions and responses by aman
stats
To estimate the mean score of those who took the Medical College Admission Test on your campus, you will obtain the scores of an SRS of students. From published information you know that the scores are approximately Normal with standard deviation about
asked on November 6, 2013 
Chemistry
The normality of 0.3 M phosphorus acid (H3PO3) is.......
asked on September 7, 2013 
Physics
A placekicker kicks a football at an angle of 60°. At what angle will the football hit the ground.
asked on December 20, 2012 
math
A normal clock loses 3 minutes per hr and another clock gains 5 min per hr. How many hours after from now, both the clocks will show the correct time simultaneously?
asked on January 7, 2016 
Math: Geometric Progression
Three numbers are in G.P. whose sum is 70. if the extremes be each multiplied by 4 and the means by 5, they will be in AP. find the numbers .
asked on September 13, 2015 
Chemistry stoch1
Calculate mass of iron, which will be converted into (Fe3O4) by the action of 18g of steam on it.
asked on September 21, 2013 
science
a train is moving along a horizontal track. A pendulum suspended from the roof makes an angle 4 degree with the vertical. obtain the acceleration of train?
asked on July 5, 2015 
physics
WHEN TWO BODIES A AND B INTERACT WITH EACH OTHER,A EXERTS a FORCE OF 10 N ON B,TOWARDS EAST.WHAT IS THE FORCE EXERTED BY B ON A?
asked on August 2, 2011 
Chemistry stochimetry2
The volume strength of 1.5 N H2O2 is.......
asked on September 7, 2013 
physics
In thrill machine rides at amusement parks ,there can be an acceleration of 3g or more .But without head rests ,acceleration like this would not be safe.think why not?
asked on June 17, 2008 
Physics
Two blocks of mass 3kg and 2 kg are jointed with a massless and inextensible string. If breaking tension of string is 10N find the maximum horizontal force with two blocks can be pulled on the surface.
asked on August 10, 2013 
Maths
In triangle ABC if angle AB =42degree and angle BC =21degree .Find the measures of angles A,B and C
asked on July 21, 2019 
Math
Consider the graph given above. Add an edge so the resulting graph has an Euler trail (without repeating an existing edge). Now give an Euler trail through the graph with this new edge by listing the vertices in the order visited.
asked on April 16, 2019 
Physics
1) The vector sum of three vectors gives a resultant equal to zero. what can you say about the vectors? 2) Vector is 3.00 units in length and points along the positive xaxis. Vector is 4.00 units in length and points along the negative yaxis.Use
asked on November 19, 2009 
maths
BM and CN are perpendicular to a line passing through the vertex A of a triangle ABC. IF L is the mid point of BC. PROVE THAT,LM=LN
asked on December 11, 2017 
math
A bacteria culture starts with 260 bacteria and grows at a rate proportional to its size. After 4 hours there will be 1040 bacteria. (a) Express the population after t hours as a function of t. this is what i put as my answer but i guess its not right do i
asked on November 8, 2009 
chemistry
what mass of carbon, in grams, can be consumed by 44 g oxygen in in combustion to give carbon monoxide/ what mass of CO is produced?
asked on March 19, 2015 
Chemistry
Calculate the molarity of 1 lit solution of 93% H2SO4 by weight by volume even the density of solution is 1.84 g/ml
asked on August 10, 2013 
physics
what is the effect on the speed of a fighter plane chasing another when it opens fire?what happens to the speed of pursuid plan when it returns the fire?
asked on June 18, 2008 
math
If a room were 2m longer and 3m broader its area would have increased by 16 sq m. if its were 1 metre shorter and 2m broader . the area would have increased by 16 sq m. find its lenght and breadth ?
asked on June 2, 2016 
physics
An atom is normally electrically neutral .Why then should an alpha particle be deflected by the atom under any circumstances?
asked on June 18, 2008 
Science
Two balls of equal masses roll with velocities v and 4v,respectively .What is the ratio of their Kinetic Energies?
asked on August 16, 2018 
Chemistry
An aqueous solution is 1.33 molality in method determine the amount fraction of methenal and water
asked on August 10, 2013 
physics
which will be more effective in knocking a bear down (a)A RUBER BULLET OR (b)a lead bullet of the same momentum.
asked on June 18, 2008 
real no
Prime factors of 23150 . It is unique
asked on September 15, 2014 
Geometry
D is the midpoint of side AB of the triangle ABC, E is midpoint of CD and F is midpoint of AE. Prove that: Area (triangle AFD) =Area (triangle ABC).
asked on January 18, 2011 
Chemistry
The molarity of amonia in aqueous solution is 11.8 mole/dmc calculate the amount of fraction of amonia in solution density of solution is 0.916 g/cc
asked on August 10, 2013 
Commerse
What is the difference between private and public sector bank
asked on February 3, 2011 
math
Find the weight of led pipe is 3.5 m long if the external diameter of pipe is 2.4 cm and the thickness of led is 2mm and 1cm cube of the leg width is 4g
asked on January 15, 2017 
Chemistry, stochiometry2
The no. Of moles of KMnO4 that will be needed to react with one mole of sulphite ion in acidic solution is.......
asked on September 5, 2013 
Chem Urgent
Volume of stock solution a. 5.0mL b.10.0mL c.15.0mL d.20.0mL Prepare 25mL of each of the four different dilute solution Concentration of stock 1.01E5 Calculate molarity for a,b,c,d Molarity=m1V1/V2 for a would the answer be 2.02E6?????
asked on November 16, 2007 
geometry
construct a triangle ABC where AB=8.5 and BC=6.2.
asked on November 6, 2014 
arithmetic
if tanx+cotx=2 then the value of tan^5x + cot^10x is
asked on June 13, 2012 
Math
Responding back as requested: This is all I was provided Solve the folowing system of linear inequalities by graphing. x + 2y is less than or equal to 3 2x  3y is less than or equal to 6 I would change the inequality into slope intercept form and treat it
asked on May 26, 2007 
physics
boy weighting 30 kg is riding a bicycle weighting 50 kilograms if the bycycle is moving at a speed of 90 kilometres per hour towards the west find the linear momentum of the bycycle boy system in s i units
asked on August 24, 2014 
math
If f(x)=5cos(2ln(x)), find f'(x). My answer is (5sinx)(2lnx)+(5cosx)(1/x) I just did the product rule can you verify if this is correct please!
asked on October 29, 2009 
maths
Prove that, H^2=P^2+B^2
asked on December 11, 2017 
Physics
A car is running at a speed of 100km/h if brake is applied how much ditance will it cover before stopping from point where brake is applied ? How
asked on June 11, 2016 
science
Whar are two longest wavelength in frequency 1kghz and 200kghz
asked on August 8, 2015 
Science
Name the two forms of oxygen element found in atmosphere. Which one among them grievuing depleted?state and explain the reason?
asked on March 16, 2013 
english
Similarities between The Storm by Mcknight & Once upon a time by Nadine Gordimer?
asked on October 31, 2012 
algebra
Find the angles between the following pairs of vectors (1)3i+2j6k,4i3j+k (2)2i3j+k,3ij2k
asked on November 19, 2011 
Algebra
(a+b)whole square = ?
asked on June 11, 2016 
algebra
find the pair of parallel lines 1)12y+15x=4 2)4y=5x4 3)15x=12y=4
asked on May 21, 2013 
English 12
David Suzuki uses examples that include his daughters. Why do you think he does this? Support your answer by incorporating a quotation into your response.
asked on October 3, 2012 
Math
I have been asked to solve the following system of linear inequalities by graphing. I tried replacing with various numbers but even though the they work in the equations my graphs change from consistent to inconsistent. Please help.
asked on May 26, 2007 
Maths
Diameter and length of a roller are 84 cm and 120 CM respectively in how many revolutions can the roller level the playground of area 1584 m square
asked on July 1, 2017 
Algebra
Find the ab if a =3 and b =5
asked on September 13, 2013 
Physics
What would happen when a dipole is placed in uniform electric field making an angle theta with the direction of electric field ?
asked on June 8, 2013 
algebra
which of the following lines is not parallel y=2x=1 1)4x2y=4 2)2yx=4 3)y2x=6 4)2xy=4
asked on May 21, 2013 
statistics
from a normally distributed infinite number of iron bars lengths with a mean and standard deviation as 4 ft. and 0.6 ft. respectively, a sample of 100 bars is taken. if the sample mean is 4.2 ft., can the sample be called a truely random sample?
asked on April 22, 2013 
equation inequality and graph
(9x+5)(x3)=0
asked on January 29, 2013 
algebra
Find the angles between the following pairs of vectors (1)3i+2j6k,4i3j+k (2)2i3j+k,3ij2k
asked on November 19, 2011 
physics
Why does cross sectional area of a liquid stream reduces while falling vertically??
asked on February 8, 2011 
PHYSICS
An electric dipole has its dipole moment paligned with a uniform external electric field E(a)Is the equalibrium stable or unstable ?(b)Discuss the nature of the equilibrium if Pand E point in opposite directions?
asked on June 18, 2008 
physics
If an electron is localized in space ,its momentum becoms uncertain.If it is localized in time ,its energy becomes uncertain.explain this statement.
asked on June 18, 2008 
uni physics
A balloon of radius 30.0 cm is sprayed with a metallic coating so that the surface is conducting. A charge of 8.85×10−8 C is placed on the surface. What is the potential on the balloon's surface? 2.65×10^3 V Suppose that the some air is let out of the
asked on September 25, 2013 
Algebra
(62+15)+38=62+(15+38)
asked on September 18, 2013 
Math
d/e for d = 6 and e= 3
asked on September 17, 2013 
Chemistry
The maximum molecular mass ............ Atoms.
asked on August 12, 2013 
History
what are the related phases of revolutionary development until 1781 For the American Revolution and 1795 for the French Revolution?
asked on March 13, 2012 
physics
what is reason for saturation current in reversed biased diodes
asked on November 21, 2008 
maths
5 m : 140 cm = ???????? ratio and proportion 5 m is 500cm. Does that help?
asked on March 16, 2007 
maths
G is the centroid of triangle ABC, prove that AB^2+BC^2+CA^2=3(AG^2+BG^2+CG^2)
asked on December 11, 2017 
science
interpret the number of moles of oxygen atoms in po3 4
asked on March 19, 2016 
Math
5[2(8+5)15]
asked on September 12, 2013 
Math
8(5+30/5)
asked on September 11, 2013 
Math
30/(5)
asked on September 11, 2013 
math
which of the following lines is not parallel to y=2x+1 1)4x2y=4 2)2yx=4 3)y2x=6 4)2xy=4
asked on May 21, 2013 
math
find the pair own parallel lines 1)12y+15x=4 2)4y=5x4 3)15+12y=4
asked on May 21, 2013 
math
which of the following equations has a graph that is parallel to the graph of 4x2y=7? 1)4x+2y=2 2)2y=4x+2 3)74x=2y 4)2y=4x+7 5)4x2y=7
asked on May 21, 2013 
English
A paragraph described your experiences regarding the arrival of new year
asked on December 24, 2011 
science
what is black hole form?
asked on August 27, 2011 
Chem
How would I prepare 25mL each of the dilute solutions of 5mL, 10mL and 20mL and is it possible to dilute it too much?
asked on November 16, 2007 
Math
(a+b)whole square = ?
asked on June 11, 2016 
GNC Sirsa
6x+y3z=5. x+3y2z=5. 2x+y+4z=8
asked on November 5, 2015 
Math
(A+b) for a=and b=8
asked on September 17, 2013 
Math
2x+3=15
asked on September 10, 2013

math (combination)
Idk
posted on November 28, 2019 
business math
Answer
posted on September 29, 2019 
biology
They are both disease causing
posted on July 15, 2019 
Math
math question please give the answer in google.
posted on June 15, 2019 
language
nope
posted on March 7, 2019 
language
c
posted on March 7, 2019 
university of ghana
I WANT TO RESPONSE ASSIYNMENT QUESTION
posted on December 29, 2018 
Physics
its wrong
posted on November 19, 2018 
chemistry
how can find mass in gram
posted on November 8, 2018 
Pre Cal 12
hi, how did you go from 36=x(122x)(82x) to 9=x(6x)(4x)?
posted on September 24, 2018 
English
you tell me
posted on July 26, 2018 
maths
10
posted on April 5, 2018 
maths
22
posted on December 27, 2017 
math
10.83
posted on November 25, 2017 
trig
14cos2x+cos4x/8=sin4x
posted on November 15, 2017 
finance
15000
posted on October 19, 2017 
math
i dont know i have the same ques\tion
posted on October 16, 2017 
math
17
posted on September 10, 2017 
Geometry
d is the mid point so according to theorm 8.9 we can solve it
posted on November 2, 2016 
physics
1425m
posted on October 4, 2016 
Geometry
37,53
posted on June 24, 2016 
Maths
85
posted on June 11, 2016