Sunday

June 26, 2016
Total # Posts: 28

**Math- Algebra**

5. A box can hold a maximum of 60 comic books. If comic books are bundled together in groups of 8, write and solve an inequality to find the maximum number of bundles of comic books that the box can carry.
*January 28, 2016*

**Math**

Makena drives 3 hours at an average speed of 45 miles per hours. Then she drives 5 hours at an average speed of 55 miles per hour. what is her average speed for the whole trip?
*December 5, 2015*

**Maths**

What is the simple interest for the loan $500 with a 6% interest rate for 10years?
*March 28, 2015*

**kamal model school**

what is increase in entropy when 11.2 l o2 mixed 11.2 l h2 at stp
*November 13, 2014*

**physics**

a 150 metre long train crosses a bridge of length 250 metres in 25 seconds find its velocity
*June 11, 2014*

**maths**

5x^(3)+ 6x^(2)+8 =(Ax+1)(x-2)(x+B)+x-5C
*May 27, 2013*

**social**

Crisis Management What can the government, individual and society do to combat crisis like a. Bomb blast / terrorist attack b. Earthquake c. Floods d. Fire accident.
*May 27, 2013*

**maths**

for a particular stretch of road it is estimated that on average one car in ten exceeds the speed limit. on a particular day 2003 cars use that stretch of road. use a suitable approximation to find t
*May 16, 2013*

**chemistry**

Plastic articles can be chromium-plated by coating them with thin layer of graphite paste,placing them in a bath of aqueous chromium(III) sulphate and electroplating. a)Suggest a reason why the article is first coated with graphite. b)what substance could be used for the other...
*March 10, 2013*

**maths **

The lifetime in hours of a certain make of batteries follows a normal distribution with mean 160 and standard deviation 30. Calculate the interval, symmetrical about the mean within which 75% of the battery lifetimes lie.
*February 13, 2013*

**maths **

the masses of lettuces sold at a market stall are normally distributed with the mean 600g and standard deviation 20g. 1) find the mass exceeded by 10% of the lettuces. 2) 5% of the lettuces have a mass less than M g. find M
*February 13, 2013*

**maths **

x ~ N(400,64) 1) Find the limits within which the central 95% of the distribution lies. 2) find the interquartile range of the distribution.
*February 13, 2013*

**maths **

the heights of female students at a particular college are normally distributed with the mean 169 cm and standard deviation 9 cm. 1) Given that 80% of these female students have a height less than h cm ,find the value of h. 2) Given that 60% of these female students have a ...
*February 13, 2013*

**maths**

An intelligence test used in a particular country has scores which are normally distributed with mean 100 and standard deviation 15.In a randomly selected group of 500 people sitting the test, estimate how many have a score 1)higher than 140, 2)below 120, 3)between 100 and 110...
*February 13, 2013*

**chemistry**

in an attempt to establish the formula of an oxide of nitrogen , a known volume of the pure gas was mixed with hydrogen and passed over a catalyst at a suitable temperature. 100% conversion of the oxide to ammonia and water was shown to have taken place. NxHy gives xNH3 + YH20...
*February 13, 2013*

**physics**

A student wishes to measure the resistivity of glass. A teacher suggests that its resistivity is of the order of 10^6 Ω m which is very large. Resistivity ρ is defined by the equation: ρ = RA / l where R is resistance, A is cross-sectional area and l is the ...
*February 13, 2013*

**chemistry **

an aqueous solution contains 1 mol of S2O3 ions and this reduces 4 mol chlorine molecules.What is the sulphur containing product of this reaction?
*February 10, 2013*

**chemistry **

in an attempt to establish the formula of an oxide of nitrogen , a known volume of the pure gas was mixed with hydrogen and passed over a catalyst at a suitable temperature. 100% conversion of the oxide to ammonia and water was shown to have taken place. NxHy gives xNH3 + YH20...
*February 10, 2013*

**chemistry **

an aqueous solution contains 1 mol of S2O3 ions and this reduces 4 mol chlorine molecules.What is the sulphur containing product of this reaction?
*February 10, 2013*

**chemistry **

an aqueous solution contains 1 mol of S2O3 ions and this reduces 4 mol chlorine molecules.What is the sulphur containing product of this reaction?
*February 10, 2013*

**physics**

How can we determine the centre of mass of a hollow sphere?
*October 26, 2012*

**chemistry**

If 3.5 ml 0f N/50 AgNO3 was used in titration of chloride ion for 10 ml water sample then calculate the strength of chloride ions
*June 1, 2012*

**calculus**

integral from 1 to e^5 1/(x(sqrt4+lnx))dx
*February 22, 2012*

**computar **

sdfsdgfs sdffgsdafgfg gfgafgsagrfetafdf f
*May 14, 2011*

**5th grade**

addition subtraction multiplication and division
*October 14, 2010*

**economics**

1. Given a firm’s demand function, P = 24 - 0.5Q and the average cost function, AC = Q2 – 8Q + 36 + 3/Q, calculate the level of output Q which a) maximizes total revenue b) maximizes profits
*September 11, 2010*

**Ryan school maths**

it is an equation 9b- 4b+ 3b= 16 plese write it step by step
*June 3, 2010*

** Chemistry**

nh3 has high b.p. than phz give resion
*October 2, 2009*

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