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Questions Asked on April 28, 2013

the probability that a house in an urban area will develop a leak is 5%. if 23 houses are randomly selected, what is the
1. 3 answers
2. asked by sara
3. 12,582 views
A cylinder is inscribed in a right circular cone of height 5.5 and radius (at the base) equal to 2 .A) What are the dimensions
1. 1 answer
2. asked by Michaela
3. 9,433 views
Insert three geometric means between 1 and 81.
1. 3 answers
2. asked by ELIJAH HAVA
3. 8,379 views
a company employs 12 gardeners at $26 per day , and 8 clerks at $17 per day. What is the mean daily wage,in dollars,of the 20
1. 3 answers
2. asked by Jenna
3. 5,329 views
Determine whether each sequence is arithmetic or geometric. Find the next three terms.1. 14, 19, 24, 29, . . . (1 point)
1. 29 answers
2. asked by Gabby
3. 4,772 views
A helium filled balloon has a volume of 2.75L at 20 celsius .The volume of the balloon decreases to 2.46L after it is placed
1. 5 answers
2. asked by nene
3. 4,428 views
one company charges $6.95 per shirt plus a setup fee of $43. Another company charges $8.40 per shirt plus a $58 set up fee. for
1. 4 answers
2. asked by Anonymous
3. 4,277 views
An aluminum wing on a plane is 30.6 m long when the temperature is 20 oC. At what temperature would the wing be 0.06 m shorter
1. 2 answers
2. asked by pocholo
3. 3,701 views
two people carry a heavy electric motor by placing it on a light board 2m long.one person lifts at one end with a force of 700N,
1. 1 answer
2. asked by Anonymous
3. 3,605 views
1.)A ballon is filled with 3.0L of helium at 310k.The balloon is placed in an oven where the temputure reaches 340k.what is the
1. 3 answers
2. asked by ty
3. 3,558 views
A 4.0L sample of methane gas is collected at 30.0 celcius .predict the volume of the sample at 0 celcius.
1. 3 answers
2. asked by ty
3. 3,492 views
A surgeon is using material from a donated heart to repair a patient's damaged aorta and needs to know the elastic
1. 1 answer
2. asked by Aimes
3. 3,097 views
A 39.0 kg box initially at rest is pushed 4.50 m along a rough, horizontal floor with a constant applied horizontal force of 135
1. 1 answer
2. asked by Vince
3. 2,636 views
given the constraints of budgets and time,schools are advised not to educate children on health and nutrition.Do you agree with
1. 1 answer
2. asked by kelly t
3. 2,530 views
what value of k makes the given expression a perfect square?M square -8m+k
1. 2 answers
2. asked by prince
3. 2,257 views
Given the function: f(x) = x^2 + 1 / x^2 - 9a)find y and x intercepts b) find the first derivative c) find any critical values
1. 1 answer
2. asked by Gabby
3. 1,877 views
You need to produce a solenoid that has an inductance of 2.51 μH . You construct the solenoid by uniformly winding 1.17 m of
1. 2 answers
2. asked by JD
3. 1,835 views
3. Read the following stage directions from the end of Act 2 of The Diary of Anne Frank.[For a second ANNE stands looking up at
1. 2 answers
2. asked by Anonymous
3. 1,691 views
A park ranger wants to shoot a monkey hanging from a branch of a tree with a tranquilizing dart. The ranger aims directly at the
1. 1 answer
2. asked by Chris
3. 1,672 views
find the 8th term of an A.P -3,-1,1
1. 3 answers
2. asked by prince
3. 1,550 views
The wastewater solution from a factory containing high levels of salts needs to be diluted before it can be released into the
1. 1 answer
2. asked by Jonah
3. 1,487 views
An author of detictive novel is most lkely to use figurative language toA. Entertain the reader. B. help the reader visualize a
1. 5 answers
2. asked by Jen
3. 1,365 views
the end of a 40 inches pendulum describe an arc of 5 inches through what angle does the pendulum swing?
1. 2 answers
2. asked by ahzirk mae
3. 1,341 views
In a class of 50 students, 35 are Democrats, 17 are business majors, and 6 of the business majors are Democrats. If one student
1. 1 answer
2. asked by Kaitlyn
3. 1,299 views
A uniform meter stick of mass M has an empty paint can of mass m hanging from one end. The meter stick and the can balance at a
1. 0 answers
2. asked by Mimi
3. 1,279 views
discussthe history of hiv/aids,and development and the spread of hiv/aids virus global
1. 1 answer
2. asked by kelly t
3. 1,255 views
Peter has three sticks measuring 19 inches, 23 inches, and 27 inches. He lays form a triangle. Find the measure of the angle
1. 0 answers
2. asked by Anonymous
3. 1,253 views
I have to do a menu for a restaurant in Spanish but I don't know how I say the name for my restaurant in Spanish. How would I
1. 1 answer
2. asked by SoccerStar
3. 1,230 views
The volume of a scuba tank is 10.0L.It containes a mixture of nitrogen and oxygen at 290.atm.what volume of this mixture could
1. 1 answer
2. asked by nene
3. 1,207 views
A sample of ideal gas is in a sealed container. The pressure of the gas is 675torr , and the temperature is 28\, ^{\circ}C . If
1. 1 answer
2. asked by Touch
3. 1,183 views
A sample of gas is confined to a cylinder housed with a movable piston. Initially, the gasoccupies a volume of 2.7 L at 6.0 atm
1. 0 answers
2. asked by Kiera
3. 1,176 views
cos15°cos30°- sin15°sin30° =
1. 1 answer
2. asked by Ashley
3. 1,169 views
Jason uses his car for his job. He is allowed to depreciate the car 7% per year. IF the car was worth $23,000 new, in about how
1. 1 answer
2. asked by Anonymous
3. 1,155 views
find the radius and height of a cylindrical soda can with a volume of 21in^3 that minimize the surface area.
1. 1 answer
2. asked by sonia
3. 1,136 views
Identify the direction and all possible interpretations of each of the following correlations. Be sure to identify each example
1. 3 answers
2. asked by Anonymous
3. 1,115 views
How many moles of potassium iodide, KI, are required to precipitate all of the lead(II) ion from 25.0 mL of a 1.6 M Pb(NO3)2
1. 1 answer
2. asked by victoria
3. 1,108 views
Estimate the fraction of unoccupied atomic sites in lead at temperature 10K below its melting point.Vacancy fraction,nv/N
1. 1 answer
2. asked by anonyms
3. 1,101 views
Identify and describe 3 environmental health hazards that cause ill health, accidents crises, and disaster within your community
1. 2 answers
2. asked by lerato
3. 1,059 views
A solid sphere of 1.46kg and radius 0.1m, is rolling down a rough plane that is inclined at an angle 30 degrees to the
1. 0 answers
2. asked by Tasneem
3. 1,041 views
at one point in the day, a tower that is 150 feet high casts a shadow that is 210 feet long. Find, to the nearest tenth of a
1. 1 answer
2. asked by ainy
3. 1,004 views
Given the function: f(x) = x^2 + 1 / x^2 - 9a)find y and x intercepts b) find the first derivative c) find any critical values
1. 0 answers
2. asked by Gabby
3. 954 views
Identify nd describe 3 environmental health hazards that cause ill health,crises nd disasters in south africa?
1. 1 answer
2. asked by Sarah
3. 949 views
Calculate the ATPs resulting from the total oxidation of the following compounds:a. Fructose-6-phosphate b. 3-Phosphoglycerate
1. 0 answers
2. asked by Riley
3. 938 views
How to compare the melting point of two ionic bod or two covalent bond?
1. 0 answers
2. asked by black_widow
3. 938 views
If cos θ = c, then sin²θ/2 equals1) 1-c/2 2) 1+c/2 3) 1-c/c+c 4) 1-c/4
1. 2 answers
2. asked by Moe
3. 934 views
The density of ethanol is 0.789 g/cm3 at 20 degrees celsius. What is the mass of 150cm3 of this alcohol?
1. 1 answer
2. asked by Kelly
3. 930 views
Am I eligible to get a President's Award for Educational Excellence or the President's Award for Educational Achievement and
1. 3 answers
2. asked by LARUEN
3. 921 views
1.you visit thr Canyon and drop a penny off the edge of a cliff. The distance the penny will fall is 16 feet the first second,
1. 2 answers
2. asked by ELIJAH HAVA
3. 915 views
Four balls are taken to the top of a building. Ball 1 is dropped (zero initial velocity). Ball 2 is thrown straight up with a
1. 1 answer
2. asked by ayana
3. 908 views
Acetaldehyde, CH3CHO, will decompose into methane and carbon monoxide according toCH3CHO (g) -> CH4 (g) + CO (g) At 450C the
1. 1 answer
2. asked by A
3. 908 views
Two identical wires with resistance,R and mass,m rest on two smooth parallel superconducting (zero resistance) rails. Initially,
1. 0 answers
2. asked by tsong
3. 903 views
The expression oos² θ/sin θ + sin θ is equivalent to1) 1 + cos² θ 2) cos² θ 3) sin θ 4) csc θ
1. 1 answer
2. asked by Moe
3. 881 views
A 1.00L balloon is filled with helium at 1.20 atm.If the balloon is sqeezed into a 0.500L beaker and doesnt burst ,what is the
1. 1 answer
2. asked by ty
3. 877 views
plan,design and conduct an investigation to find out wether the amount of heat produced will depend on an increase on the
1. 0 answers
2. asked by machata rilinde
3. 874 views
a sample of molybdenum is analysed by x-ray diffraction using Nik(alpha) radiation.calculate value of angle of which the lowest
1. 0 answers
2. asked by himani.
3. 862 views
Calculate d energy of d 3rd level of an atom if d ground state energy is -24.8ev
1. 1 answer
2. asked by Mei
3. 862 views
The shape of water molecule is (A)tetrahedral (B)linear (C)angular (D)trigonal planar
1. 1 answer
2. asked by kwanele
3. 852 views
At time t =0, the current to the dc motor is reversed, resulting in an angular displacement of the motor shaft given by è =
1. 0 answers
2. asked by bruce
3. 845 views
a bullet of mass 0.015kg strikes a ballistic pendullum of mass 2kg.the centre of mass of the pendulum rises a verticle distance
1. 1 answer
2. asked by Anonymous
3. 825 views
three point charges each of magnitude +q are located at the vertices of an equilateral triangle of side L. what magnitude of
1. 0 answers
2. asked by Akash
3. 817 views
Identify and describe 3 environmental health hazards that cause ill health,crises and disaster
1. 1 answer
2. asked by lungile
3. 815 views
A current of 2.34 A is delivered to an electrolytic cell for 85 minutes. How many grams of Au will be deposited from an aqueous
1. 2 answers
2. asked by Danielle
3. 811 views
When you jump upward, your hang time is the time your feet are off the ground. Does hang time depend on your vertical component
1. 0 answers
2. asked by Chris
3. 787 views
find the absolute minimum and maximum valies of f(x)=-x^4+2x^3+5 on the interval [-2,2]
1. 2 answers
2. asked by moises
3. 776 views
Arsenic acid has the formula H^3AsO^4. It is a triprotic acid. Abottle is marked 0.422 N arsenic acid. What is the Molarity of
1. 1 answer
2. asked by naomi
3. 770 views
The word survivor comes from the Latin root vivere, meaning "to live." Which of the following words does not share the same
1. 3 answers
2. asked by Gabby
3. 766 views
If aggregate demand for a product is Qd = 600 – 20P and supplys Qs = 304 + 12P, what would be (1) the equilibrium price and
1. 0 answers
2. asked by nando
3. 765 views
A car is travelling at 20m/s along a road. a child runs out into road 50m ahead and car driver steps on break paddle. what must
1. 1 answer
2. asked by Pranjal
3. 758 views
A physics major is working to pay his college tuition by performing in a traveling carnival. He rides a motorcycle inside a
1. 1 answer
2. asked by Lama
3. 755 views
jim has grades of 84, 65, 76 on three tests. what grade must he obtain on the next test to have an average of exactly 80% for
1. 5 answers
2. asked by Carolyn
3. 748 views
Compound Interest QuestionJames has 10,000 to invest. If he invest money in a savings account that pays 4% APR, calculate the
1. 1 answer
2. asked by martha
3. 732 views
find the absolute minimum and maximum values of f(x)=x^(1/3) (3+x) on the interval [-2,1]
1. 3 answers
2. asked by help!!
3. 723 views
“[R]emembering the rhythm” and “backs of buses” both contain examples of (1 point)alliteration. stanzas. rhyme.
1. 4 answers
2. asked by bella
3. 715 views
The expression 4 - cos² A is equivalent to1)5 - sec² A 2)5 - sin² A 3)5 + sin² A 4)5/sec² A
1. 1 answer
2. asked by Moe
3. 700 views
Consider two straight bars of uniform cross section made of the same material. Bar 1 has an axial length of and a square cross
1. 2 answers
2. asked by asas
3. 698 views
For the following combination of reactants, enter the formulae of the products in the space provided and give their states.
1. 0 answers
2. asked by sarah
3. 687 views
Aluminium react with oxygen to form aluminium oxide.how many grams of potassium chlorate V would be heated to produce enough
1. 1 answer
2. asked by Hellen
3. 685 views
acetaldehyde Ch3Cho will decomposed into methane and CO according toCh3Cho->ch4+Co at 450 C the rate consumption of Ch3cho is
1. 1 answer
2. asked by himani.
3. 683 views
The percent of fat calories that a person that in America consumes each day is normallydistributed with a mean of 36 and a
1. 1 answer
2. asked by Kayla
3. 680 views
If cos y = -4/5 when 90°≤ y ≤ 180° what is the value of cos 2y?
1. 3 answers
2. asked by Moe
3. 677 views
My teacher wanted me to make an essay about slavery.. This is my essay:At the time of the American Revolution, the split between
1. 9 answers
2. asked by Nicole
3. 672 views
verify that the function satisfies the hypotheses of the mean values theorem on the given interval. then find all numbers c in
1. 1 answer
2. asked by sonia
3. 670 views
A freight train leaves Chicago traveling West at 35 mph. An hour later a passenger train leaves Chicago traveling on a parallel
1. 1 answer
2. asked by Sarah
3. 665 views
Provide 5 ways in which you critically discuss behaviour impact on the teenager
1. 2 answers
2. asked by Prtty mkhize
3. 660 views
The boom weighs 2450 and is attached to a friction less pivot at its lower end. It is not uniform; the distance of its center of
1. 1 answer
2. asked by John
3. 652 views
Well I have been working on an essay for a couple days now about slavery, here it is:Slavery began in the 16th century, but
1. 4 answers
2. asked by Nicole
3. 647 views
What are the increasing and decreasing intervals for the equation y=x^2-2x-15
1. 1 answer
2. asked by Scarlet
3. 641 views
Maria is packaging boxes into a carton that is 4 in. x 6 in. x 3 in. THe boxes are 2 in. x 1 in. x 1 in. How many boxes will fit
1. 1 answer
2. asked by Alex
3. 639 views
Identify the direction and all possible interpretations of each of the following correlations. Be sure to identify each example
1. 2 answers
2. asked by Anonymous
3. 637 views
After 1815 travel was greatly improved by all of the following Except:a.) Construction of canals that made shipping of goods
1. 3 answers
2. asked by Cameron
3. 630 views
why does MgO has a higher boiling and melting point than NaCl?
1. 0 answers
2. asked by black_widow
3. 623 views
A perfectly spherical, but squishable ball of radius 10 cm is blown up to an internal pressure of 2 atm. The ball is placed
1. 0 answers
2. asked by your hero....
3. 622 views
The following reaction was carried out in a 2.00 reaction vessel at 1100 :C+H2O -> C)+H2 If during the course of the reaction,
1. 0 answers
2. asked by JAclyn clark
3. 621 views
How many grams of TiCl4 are needed to produce 17.8 g of titanium? what equation do i use?
1. 2 answers
2. asked by sarah
3. 617 views
find a6 for an arithmetic sequence where a1=3x+1 and d=2x+6.2.A display of cans on a grocery shelf consists of 20 cans on the
1. 1 answer
2. asked by ELIJAH HAVA
3. 615 views
A current with sinusoidal time-dependence, whose peak value is 3.55 A and frequency is 463 cycles per second, passes through a
1. 0 answers
2. asked by JD
3. 611 views
A specimen of LaNi5 containing hydrogen is placed in a vacuum furnace. After 1 hour, at what depth from the surface of the
1. 2 answers
2. asked by himani.
3. 609 views
Identify and describe three environmental issues that cause ill health, crisis and disasters
1. 4 answers
2. asked by karabo
3. 606 views
How do you factor ax^2+bx+c? I'm so confused. I remember my teacher saying to use the discriminant b^2-4ac but when I do find
1. 1 answer
2. asked by Emma
3. 585 views
two people carry a heavy electric motor by placing it on a light board 2m long.one person lifts at one end with a force of 700N,
1. 1 answer
2. asked by Anonymous
3. 584 views

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