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Questions (37)

A uniform meter rule is balanced at the 30cm mark when a load of0.8 newtons is hung at the zero mark .at which point is the
1. 1 answer
2. 444 views
Determine if the following probability experiments are binomial experiments. If not, explain why.1) Rolling a number cube 18
1. 1 answer
2. 362 views
Find the absolute Extrema of given Function, on given interval and state where those values occur. .?
1. 2 answers
2. 488 views
A,B,C contract a work for 1020.together A and B are supposed to do 9/17 of work.how much C get?ans 480rs
1. 3 answers
2. 382 views
when price of article was decreased by 12%, 2 more articles could be bought for rs2160.find original price of article?
1. 2 answers
2. 476 views
A shop-keeper sells onions at Rs 24, Rs 30 and Rs 42 a kilogram, selling the different kinds in quantities proportional to 1: 1:
1. 2 answers
2. 1,569 views
A piece of cloth is sold for rs85.80 at a profit of 30%. if it had been sold at rs 7.50 per m ,the profit would have been rs
1. 2 answers
2. 784 views
A shopkeeper bought pens at a rate of 12 pens for 150 rs and sold them at rate of 10 pens for 130rs.The number of pens he should
1. 3 answers
2. 5,344 views
A shopkeeper allows a discount of 10% on the marked price of a commodity which he bought at 540rs.Had he sold at marked price,he
1. 1 answer
2. 2,121 views
car m takes 5hr to travel from point a to b.it would have taken 6 hr,if same car had travelled the same distance at a speed
1. 2 answers
2. 1,216 views
Today,aditi is as old as barkha will be 9 yr from now.5 yrs ago,aditi was 1.5 times as old as barkha was at that time.what will
1. 1 answer
2. 1,590 views
if X:Y =A:B show that Y:B=(X+Y):(A+B)
1. 1 answer
2. 372 views
Smokers. A life insurance company found that among its last 200 claims, there were six dozen smokers. What is the ratio of
1. 1 answer
2. 487 views
points] Two alloys A1 and A2 are composed of two basic elements.The ratios of the compositions of the two basic elements in A1
1. 1 answer
2. 609 views
If x : y = a : b, prove thatx : y : (x + y) = a : b : (a + b)
1. 1 answer
2. 374 views
The ratio of marks obtained by Ashpreet and Bhupinder onan exam is 6 : 5. If the combined average of their percentage scores is
1. 1 answer
2. 475 views
You bought two varieties of rice, costing 5 cents per ounceand 6 cents per ounce each, and mixed them in some ratio. You then
1. 1 answer
2. 629 views
The ratio of Jim’s money to Peter’s money was 4 : 7 at first. AfterJim spent half of his money and Peter spent $60, Peter
1. 3 answers
2. 1,047 views
(b) If I give you $40 then the ratio of my money to yours is 4 : 5. Onthe other hand, if you give me $40, then the ratio is 8 :
1. 1 answer
2. 415 views
(a) Mr. Smith divides a sum of money between his three childrenAlex, Billy and Charlie in the ratio 3 : 2 : 7. If Charlie
1. 1 answer
2. 577 views
Imagine a boat is being rowed upstream where v1 is the velocity of the boat and v2 is the velocity of the stream. What is the
1. 0 answers
2. 513 views
A toothpaste contains 0.220 % by mass sodium fluoride used to prevent dental caries and 0.32 % by mass triclosan C12H7Cl3O2, an
1. 0 answers
2. 955 views
if area of rectangular plot is 1250 sq cm. a smaller rectangular plot with area 1/5 of the total area and length is 7 times of
1. 1 answer
2. 652 views
how to balance this partial equation given belowk2cr2o7+h2so4+kI-->k2so4+cr2(so4)3+h2o+I2
1. 0 answers
2. 649 views
how to balance this partial equation given belowk2cr2o7+h2so4+kI-->k2so4+cr2(so4)3+h2o+I2
1. 1 answer
2. 909 views
Select the right statement(s).A coherent measure of risk is: Sub-additive Possibly Homogeneous Translation Invariant Concave
1. 0 answers
2. 477 views
We have two independent investments. Each of them may have a 1% chance of a loss of 10 million dollars, a 2% chance of a loss of
1. 4 answers
2. 3,065 views
Consider a Markov chain X0,X1,X2,É described by the transition probability graph shown below. The chain starts at state 1; that
1. 9 answers
2. 1,408 views
Let θ be an unknown constant. Let W1,…,Wn be independent exponential random variables each with parameter 1. Let Xi=θ+Wi.Wha
1. 15 answers
2. 1,010 views
Let X and Y be independent random variables, each uniformly distributed on the interval [0,2].Find the mean and variance of XY.
1. 3 answers
2. 1,126 views
Stuck on this homework problem, any help would be appreciated. Thank you!!A truck has 5.9L diesel engine in it. 5.9L of the
1. 0 answers
2. 649 views
how do you solve f(x)= G(X)and find the points of intersection of the graphs of the 2 functions f(x)= x^2 + 5x+ 13 g(x)= 19
1. 1 answer
2. 923 views
how do you solve f(x)= G(X)and find the points of intersection of the graphs of the 2 functions f(x)= x^2 + 5x+ 13 g(x)= 19
1. 0 answers
2. 493 views
10x-5x*4x=?
1. 1 answer
2. 384 views
calculate the maximum increase in photon wavelength that can occur during Compton Scattering. (answer in pm).
1. 1 answer
2. 614 views
what is the reaction between hexane & iodine?
1. 0 answers
2. 863 views
BusinessWeek, in an article dealing with management, wrote, “When he took over the furniture factory three years ago…[the
1. 1 answer
2. 556 views

Answers (19)

i owe u my life
All correct!
sir could you please explain this problem
thanku mam
Mam, answer 120.But i dont know...
thanku
this is wrong
Anybody answer please
140
ghnftght ftg4rgt rtfr4f few4tfr vrhy6hh nrhrgbfbgtr5y5n bhbt56yht
6. 34/120
1. 0.125 2. 1/8 3. ??? 4. 0.0608 5. 1/8 6. ???
1. 0.125 2. 1/8 3. ??? 4. 0.0608 5. 1/8 6. ??? Any help?!
anyone? Im badly stuck on this :(
sorry b)
thank u very much elena ..that was a great help..! :)
convert the solubility to Moles per Litre.
Is the concentration of A^- just 0.079 then?
nice anwer

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