Questions Asked on
July 28, 2016

life Orientation
Define the concept"risk behsviour"and explain why it is important for teenagers to investigate and be knowledgeable about it
asked by happiness 
Math
two pyramids are similar with a ratio of surface areas of 25:64, find the volume of the second pyramid given that the first has a volume of 250 m
asked by Kelin 
Math
The park had initially planned to charge $8 for admission and expected to have 2400 visitors a day. Allison and Juan were assigned the task of analyzing the park's admission revenues. 1.a)How much revenue would the park have for one day at the current
asked by Josh 
Chemistry
C2D3 has a solubility product constant of 9.14×10−9. What is the molar solubility of C2D3? Express your answer with the appropriate units.
asked by Damon 
math
Three faucets fill a 100gallon tub in 6 minutes. How long, in seconds, does it take six faucets to fill a 25gallon tub? Assume that all faucets dispense water at the same rate.
asked by Kyle 
life orientation
Why is it important for teenagers to investigate and be knowledgeable about risky behavior?
asked by solomon 
Maths
Prove That Sin2A+ Sin2B +SIN2C/sinA+SINB+SINC=8sinA/sinB/2COSC/2
asked by Joel 
chemisty
If 26.5 mL of 0.222 M HCl reacts with excess Mg, how many mL of hydrogen gas are produced at STP?
asked by Jenny 
Stats
Describe how to use a source of random data to simulate multiple trials of this situation. A student guesses on all 10 questions of a multiplechoice quiz. Each question has three choices. a. Assign 0009 to all of the correct answers and 1029 for all the
asked by Bailey 
General Chemistry
what is the value of Kc if PbCl(s)=1.5g, [Pb2+]=1.6*10^2 M and [Cl] =3.2*10^2 M at equilibrium? (The molar mass of PbCl(s) is 278 g/mol and its density is 5.85g/cm^3.)
asked by Anonymous 
chemistry
How to solve CoCl2+HO2 > Co(OH)3+ Cl by half reaction method
asked by Pratik Rathi 
Maths
Prove that cos3x/cosxcos6x/cos2x=2(cos2xcos4x)
asked by Joel 
math
How does the volume of a rectangular prism change if the width is reduced to 200406010400_files/i0280000.jpg of its original size, the height is reduced to 200406010400_files/i0280001.jpg of its original size, and the length is reduced to
asked by max 
pre cal
Find a possible formula for the function graphed below. The xintercept is marked with a point located at (5,0), and the yintercept is marked with a point located at (0,−0.833333333333333). The asymptotes are y=−1 and x=6. Give your formula as a
asked by tor 
Chemistry
What is the concentration of a monoprotic weak Acid if its pH is 5.50 and its Ka= 5.7 x 10^10?
asked by Joshua 
Business Law Need Help with this one..
Which of the following statements is true about contracts? A. Parties to an informal contract can use any words they choose to express their contract. B. A contract under seal is disclosed only to the offeror of the contract. C. A letter of credit is an
asked by angela 
chemisty
How many mL of .200 M NaOH are required to completely neutralize 5.00 mL of 0.100 M H2PO4?
asked by Jenny 
math
Determine the rate per cent per annum if Rs 6,250 amounts to Rs 6760 in six months ,interest being compounded quarterly
asked by Nina 
pre cal
Find a possible formula for the function graphed below. Assume the function has only one xintercept at the origin, and the point marked on the graph below is located at (2,12). The asymptotes are x=−2 and x=1. Give your formula as a reduced rational
asked by tor 
Science
A motor boat starting from rest on a lake accelerate in a straight line at a constant rate of 3m/s for 8s. How far does the boat travel during the time?
asked by Nimisha 
Chemistry
How much heat is produced by the complete reaction of 5.29 kg of nitromethane?
asked by Isaac 
Business Law
Which of the following statements is true regarding a negotiable instrument? A. It should be signed by the payee. B. It need not state a fixed amount of money. C. It should not require any undertaking other than the payment of money. D. It can be either
asked by angela 
Algebra 1
You buy a used car for $20,000. It depreciates at the rate of 21% per year. Find the value of the car for the given years (5 and 8) I'm using the equation v=c(1r), and i end up getting 6154.11 ; im not sure if i subtract that from 20,000 or if that is my
asked by Jordan 
physics
a rock is dropped from a height of 20m above the ground when it hits the ground it leaves a hole 10cm deep with what speed does the rock hit the ground, and what is the magnitude of the rock's deceleration after it hits the ground
asked by kevin 
math
How can you write 100,203 in two other ways?
asked by mila 
mathematics
There are thrice as many girls as boys at a school. If 35% of the girls and 45% of the boys have already completed their holiday project, what percentage of the learners still needs to complete their project?
asked by edna 
Science
Pressure is 50N/m2,area is 600cm2.Find force
asked by Srinjoy 
math
Write the equation which describes the average price of a 19 inch TV if the cost in 2000 was $224 and has gone down $7 per year following.
asked by m 
maths
A lorry is travelling at 120 km/hr .At what speed must a car travel to catch up with the speed of the lorry?
asked by junior 
Math
92(64)=? 7389=? 66(49)=? 846749=? 697(697)=? 697(697)=? 697697=? 8997(78)=? 5326(77)=? 42(81)(73)=?
asked by Tante 
stats
The purpose of using stratified random sampling is to guarantee that the ______________. a. proportions within the samples represent the proportions in the population. b. sampling variability is increased c. sample groups are highly varied for more precise
asked by m 
Chemistry
How many grams of Nitrogen contains same number of neutrons as 6grams of 12C?
asked by Anurag Barman 
Maths
Prove That Sin2A+SIN2B+SIN2C/SINA+SINB+SINC=8SinA/2SINB/2SINC/2
asked by joel 
Science, English, math
Why do we live
asked by Yo yo jo 
life orientation
examine how each of following are responsible for road accident and propose the potential solution by community 1.1 competence of the driver 1.2 substance abuse 1.3 pedestrian 1.4 cyclists 1.5 live stock
asked by phumudzo 
Business Law
__________ are a special form of contract that satisfy the requirements established by Revised Article 3 of the UCC. A. Banknotes B. Negotiable instruments C. Letters of credit D. Stocks An: B
asked by angela 
Health care
Of the racial/ethnic groups, which has the highest rate of low birth weight infants? Asian or Pacific Islander Hispanic Black/ African American White
asked by Anonymous 
Math
If you roll this six sided number cube 36 times, how many times would you expect to roll the number one based on Jennifer's results?
asked by Jona 
microsoft P.P.
When planning a presentation, there are several factors you need to consider. Which of the following is one factor you should consider when initially planning your presentation? A. Location of audience B. Title placeholder C. Type of font D. Saving your
asked by Daniela 
Microsoft P.P.
Which button would you use to insert a downloaded video clip on your computer into a slide? A. Online Video B. Clip Art Video C. Video on My PC D. Media my answer is c.
asked by Daniela 
Microsoft P.P.
Sorter 9. Tracy inserted one of her favorite photos into a slide presentation. However, the picture is small and needs to be longer and wider. To make the picture larger, which of the following should she do? A. Rightclick on the object and click Size. B.
asked by Daniela 
algebra
The product of two consecutive integer is 5 three times the larger integer, what are the integers?
asked by Anonymous 
algebra
The product of two consecutive integer is 5 three times the larger integer, what are the integers?
asked by Anonymous 
algebra
The product of two consecutive integer is 5 three times the larger integer, what are the integers?
asked by Anonymous 
algebra
The product of two consecutive integer is 5 three times the larger integer, what are the integers?
asked by Anonymous 
math
How much talk time if call costs 36 cents a minute and i have 30 dollars?
asked by vicky 
Chemistry
A glass of water contains 1.2 x 1024 molecules of water. An additional 4.0 moles of water are poured into the glass. How many moles of water are in the glass?
asked by Kelly 
Calculus
divide 64 into two parts such that the product of one of them plus the cube of the other is a maximum
asked by Jj 
English
Underline the subject and verb. Does the verb agree with the subject? In my garden, the first flowers has bloomed. subject:flowers verb: has The verb should read: have
asked by Kimmy 
math
how to find the dimension if the diagonal of the rectangle is 8 meters longer than its shorter side and the area of the rectangle is 60 square meters?
asked by lloyd 
English
Which is grammatically correct? The steak (is, was) as tough as shoe leather. answer: was
asked by Kimmy 
Math
It takes John 45 minutes to read 9 pages of a book at this same rate, how long will it take him to read 12 pgs?
asked by Terri 
math
20/5
asked by number 
basic maths trignometry
prove that secx  tanx = 1 tan x/2 /1 + tan x/2
asked by kabir 
math
Solve 2 + 2 sin θ = 3 cos^2 θ. Give the general solution and then give solutions in [−π, π] How do i solve for theta?
asked by Daniel 
math
A motor travels 20 km/hr faster than the bicycle. If the motor travels 240 km, while the bicycle travels 180 km at the same time. Find the speed of the motor and the speed of the bicycle. thanks :))
asked by Ari 
Math
In Gulshan the ratio of private homes to apartment is 3:5. If all the apartments are brick made and 1/10 of the private homes are wooden, what is the maximum portion of houses that may
asked by Anonymous 
value
in a class 7 2 fifthy were girls ,27were boys ,how many girls were there
asked by maths 
math
In a country, 15 out of 100 residence had no auto insurance. The population in that country at that time is 240 million. How many residence of that country had no auto insurance? thanks :))
asked by Ari 
Chemistry
Why wash water in experiment limiting reagent has to be kept warm at 8090 degree celcius . Explain why
asked by Uitm 
math
An elevator went up 8 floors, then down 6 floors, down 5floors, up to 10 floors down 2floors and up 9 floors. If it stopped on the 15th floors. On what floors did it starts?
asked by Anonymous 
powerline
the resistance of the material in inversely proportional to its
asked by lagjhon 
maths
in a class 2fifthy were girls, 27 were boys, how many girls were there
asked by amos 
maths
in a class 7, 2 fifthy were girls . boys were 27. how many boys were there
asked by amos 
Chemistry Grade 12
If the concentration of I^1 is found to be 2.4 x 10^3 mol/L in a saturated solution of PbI2. What is the Ksp of PbI2?
asked by Kevin 
physics
find the energy of an xray photon which can impact a maximum energy of 50 kev to an electron
asked by priyanka 
Maths
Multiply and give the answer in the simplest form 2/5 × 15
asked by Rehan 
Maths
By expanding the inequality(the square root of Athe square root of B)^2>0,show that the arithmetic mean of two unequal numbers is greater than their geometric mean.Check by using the numbers a)10 b)2root2 c)2/3
asked by Efa