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2012
July

Questions Asked on July 20, 2012

why does a desert cooler cool better on a hot dry day ?
1. 1 answer
2. asked by Anonymous
3. 821 views
There is an airplane at an altitude of 12000 ft. The angle of depression is 1 degree. How far on the ground is the plane.
1. 1 answer
2. asked by Pam
3. 1,005 views
Choose the equation that best represents an ellipse for the given foci and co-vertices.Foci (+/-3,0) Co vertices (0, +/-6)
1. 0 answers
2. asked by Vincent
3. 990 views
Please...how do you calculate the reduction potential for 1 M CuSO4? I've been trying for hours......!!
1. 3 answers
2. asked by fenerbahce
3. 432 views
A student is in a 20 week calc class. The function f(t)=50-50e^0.2t f(t) measures the students problem speed in t weeks-how many
1. 1 answer
2. asked by Marshall
3. 472 views
What is the surface area of a rectangular prism measuring 3 1/2 ft.by 2 3/8 ft. by 8 feet ?
1. 1 answer
2. asked by janet
3. 874 views
the acceleration of a particle is defined by the equation a= 4-t^2 with an initial velocity of two millimeters per second. Find
1. 2 answers
2. asked by Todd
3. 951 views
Derivative (x^2+lnx)(2+e^x) SHOW STEps.
1. 1 answer
2. asked by Bernard
3. 405 views
suppose you invest some money in an account at 6% compounded monthly, after four years you have $8000, how much interest did you
1. 1 answer
2. asked by jane
3. 395 views
(x^2+lnx)(2+e^x)
1. 4 answers
2. asked by Bernard
3. 353 views
What is the surface area of a rectangular prism measuring 3 1/2 ft.by 2 3/8 ft. by 8 feet ?
1. 2 answers
2. asked by janet
3. 525 views
f(x) (x^2+lnx)(2+e^2)derivative also, f(x)= (3x+x^4)^(3/2)/(7x^2-1)
1. 3 answers
2. asked by Bernard
3. 493 views
Find the volume in cubic feet of the right rectangular prism measuring 3 1/2 by 8 feet by 2 3/8 feet
1. 1 answer
2. asked by janet
3. 1,098 views
Why do we use Z score to build on confidence intervals rather than t score?
1. 1 answer
2. asked by Devika
3. 428 views
A 6-g ice cube at −8°C is dropped into 70 g of water at 31°C.(a) After enough time has passed to allow the ice cube and
1. 7 answers
2. asked by Vladimir
3. 1,042 views
With few sentences about birthday
1. 5 answers
2. asked by RAQUEEB
3. 472 views
125x^9m+27y^6m
1. 1 answer
2. asked by ashlee
3. 544 views
Review your material regarding the Treaty of Versailles. Explain what it was and why the United States refused to sign it.
1. 1 answer
2. asked by victoria
3. 503 views
If the measure of ÐDAB = 50°, and ÐDAC = 20°, what is ÐCAB
1. 4 answers
2. asked by Anonymous
3. 973 views
A uniform brass disk of radius R and mass M with a moment of inertia I about its cylindrical axis of symmetry is at a
1. 3 answers
2. asked by Bruce
3. 759 views
How do you calculate the theoretical cell voltage?1) Zn|Zn^+2 (1M)| Cu|Cu^+2 (1M) okay so by looking at example this example
1. 4 answers
2. asked by fenerbahce
3. 4,098 views
write the following simultaneous equations in the form of AX= B where A,X and B are matrices11x+6y=6 9x+5y=7 hence write the
1. 2 answers
2. asked by Samara
3. 796 views
it is assumed that the toothpaste market is perfectly competitive and the current price of a case of toothpaste is 42.00. CPI
1. 1 answer
2. asked by Janel
3. 481 views
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.7 102 µm. Find this earthquake's
1. 0 answers
2. asked by Paul
3. 487 views
What is the difference between electric force, electric potential energy, electric field strength, electric potential, and
1. 1 answer
2. asked by KnowsNothing
3. 556 views
Determine the ratio of the relativistic kinetic energy to the nonrelativistic kinetic energy (1/2mv2) when a particle has a
1. 1 answer
2. asked by Beth
3. 3,576 views
u = (10, 5)-3u = ?
1. 1 answer
2. asked by Kennadie
3. 676 views
A concentration cell consists of two Al/Al+3 electrodes. The electrolyte in compartment A is 0.05M Al(NO3)3 and in compartment B
1. 2 answers
2. asked by Jackie
3. 1,163 views
Can you help me find an article in the New York Times Website about Inmates receiving Education and it should be in the year of
1. 1 answer
2. asked by Nicole
3. 906 views
dicuss some positive steps you can take to manage debt. when managing personal debt, what methods have been most successufl for
1. 1 answer
2. asked by kim
3. 369 views
A disadvantage of Velcro is that it's
1. 1 answer
2. asked by Anonymous
3. 344 views
The probability that a radish seed will germinate is 0.6. Estimate the probability that of 130 randomly selected seeds, exactly
1. 5 answers
2. asked by Ann
3. 2,405 views
u = (3, -4)v = (-5, -2) u - v = ?
1. 1 answer
2. asked by Jackie
3. 299 views
How are you helping businesses expand when you put money in a savings account?
1. 4 answers
2. asked by alex
3. 801 views
What are three nontraditional barriers to entry associated with entrepreneurial firms?explain which barrier you believe would be
1. 0 answers
2. asked by keisha
3. 658 views
A spacecraft approaching the earth launches an exploration vehicle. After the launch, an observer on earth sees the spacecraft
1. 2 answers
2. asked by Beth
3. 819 views
Can anyone please help me with Part A with the 1st question:You're the new director of a hospital health information management
1. 1 answer
2. asked by Priscilla
3. 837 views
i have given an assignment by school to prapare a working model of physics. Please give me some tips.
1. 0 answers
2. asked by edward
3. 482 views
1) find the coordinate of the image of point (1,2) translated left 2 units and reflected over the x -axis2) Find the coordinate
1. 2 answers
2. asked by Bread
3. 1,468 views
if 25.0g of O2 gas has a temperature of 400k and a pressure of 610 mm Hg, what is its volume?
1. 1 answer
2. asked by sue
3. 492 views
x2+7x+10/x-9
1. 1 answer
2. asked by Anonymous
3. 228 views
what are a few factors necessary for economic growth related to changes in aggregate supply and demand?I know The factors
1. 1 answer
2. asked by alex
3. 705 views
A voltaic cell consists of Ag/Ag+2 electrode E= 0.80 and a Fe+2/Fe+3 electrode E=0.77 with the following initial molar
1. 1 answer
2. asked by Jackie
3. 1,625 views
Which equation does not represent y as a function of x?A. -7y = 2 B. 6x = -8y C. 5y^2 + 2x = -4 D. 4x^2 + 9y = -8
1. 1 answer
2. asked by mike
3. 918 views
what are a few factors necessary for economic growth related to changes in aggregate demand?
1. 1 answer
2. asked by alex
3. 381 views
What mass of calcium phosphate form by the reaction of 50 mL of 0.2 M H3PO4 with 80 mL of 0.1 M Ca(OH)2?2 H2PO4 + 3 Ca(OH)2 -->
1. 3 answers
2. asked by S.P
3. 728 views
A company has a weighted average cost of capital of 8.9%. The company's cost of equity is 12 and its pretax cost of debt is 7.9%
1. 0 answers
2. asked by Anonymous
3. 586 views
Suppose you use a piece of fishing line to hang a large object from the ceiling. The line has a test strength of 125 lbs.
1. 1 answer
2. asked by LYNN
3. 515 views
IMAGINE- a building 6400km. high. On the ground floor, a person weighs 175lbs when he steps on a spring scale how much would the
1. 2 answers
2. asked by LYNN
3. 532 views
A telephone company representative estimates that 40% of its customers use voice mail. To test this hypothesis, she selected a
1. 1 answer
2. asked by Kay
3. 646 views
In audition for school play, 70% passed the quality of the jurors for the first week. of those remaining, 20% were chosen. if
1. 1 answer
2. asked by PDF
3. 362 views
After its fastest rate of growth ever during the 1980s and 1990s, the rate of growth of world population is expected to slow
1. 1 answer
2. asked by Alec
3. 2,668 views
if 1/3 of homework is done before dinner, and 3/5 after dinner. What fraction of homework remains?
1. 1 answer
2. asked by kisha
3. 674 views
The length (in centimeters) of a typical Pacific halibut t years old is approximatelyf(t) = 210(1 − 0.94e^−0.2t). (a) What
1. 2 answers
2. asked by Alec
3. 935 views
Search engines are most useful for finding
1. 1 answer
2. asked by filly
3. 366 views
Which direction will the support force by the wall point when the force diagram is drawn? The book is held motionless against a
1. 2 answers
2. asked by dominique
3. 612 views
How do you calculate the theoretical cell voltage?1) Zn|Zn^+2 (1M)| Cu|Cu^+2 (1M) 2) Cu|Cu^+2 (1M)| Zn|Zn^+2 (1M) 3) Fe|Fe^+2
1. 1 answer
2. asked by fenerbahce
3. 879 views
2. Two electronics technicians are looking at the technical manual for a piece of electronic equipment. Themanual refers to a
1. 7 answers
2. asked by Ron
3. 3,112 views
The price of a shirt is reduced by 30% to $14. What was the original price of the shirt?
1. 2 answers
2. asked by Mitch
3. 1,587 views
Research on how easily men are persuaded in relation to women shows that
1. 1 answer
2. asked by Anonymous
3. 376 views
Bat is flying 5m/s while chasing an insect that is flying in the same direction. The bat emits 40kHz chirp and hears a 40.4kHz
1. 1 answer
2. asked by Jake
3. 1,604 views
On the basis of data collected during an experiment, a biologist found that the growth of a fruit fly (Drisophila) with a
1. 0 answers
2. asked by Jemima
3. 789 views
A wave on a string has a wave function given by y(x, t) = (0.0210 m)sin[(6.91 m^−1)x + (2.38 s^−1)t. (a) What is the
1. 1 answer
2. asked by lanre
3. 1,092 views
<1 and <2 are a linear pair, if <2=67, then find m<1
1. 1 answer
2. asked by lana
3. 612 views
A person shouts in a canyon. 3 s later they hear the echo. How far away is the canyon wall from which the sound wave was
1. 4 answers
2. asked by Adam
3. 2,576 views
a rectangular sheet of cardboard size 5' by 8' is to be used to make an open box by cutting out the four corners. What is the
1. 1 answer
2. asked by andy
3. 1,083 views
Write a 750- to 1,050-word paper that addresses the following points about the 3-day food intake information you recorded in
1. 3 answers
2. asked by Anonymous
3. 536 views
Which of the following statements does not apply to water?A. Like all liquids, water assumes the shape of its container. B.
1. 1 answer
2. asked by lalt
3. 1,053 views
Suppose the slope of a beach underneath the ocean is 21 cm of dropoff for every 1.2 m of horizontal distance. A wave is moving
1. 0 answers
2. asked by lanre
3. 542 views
The tension in a 2.8-m-long, 1.2-cm-diameter steel cable (ρ = 7800 kg/m3) is 825 N. What is the fundamental frequency of
1. 5 answers
2. asked by lanre
3. 1,087 views
A buffer system contains 0.25M NH4+ and 0.19M NH3. pka of NH4 is 9.25.How many moles of NaOH must be added to 1.00L of this
1. 1 answer
2. asked by June
3. 1,052 views
A 46-cm-long wire with a mass of 10.5 g is under a tension of 52.0 N. Both ends of the wire are held rigidly while it is
1. 0 answers
2. asked by lanre
3. 504 views
Titration of a 21.0mL solution of requires 11.0mL of 0.0350M solution.What is the molarity of the solution?
1. 1 answer
2. asked by Heather
3. 514 views
From a deck of 52 playing cards, 7 cards are dealt. What are the odds of the following event occuring--4 From one suit, 3 from
1. 2 answers
2. asked by Jay
3. 586 views
A patient receives 3.0 ml of a solution containing technetium 99 for breast image. If the activity of the technetium 99 is 9.5
1. 1 answer
2. asked by Kim
3. 908 views
A gas 'X' is collected over water at 17 degree C and 750mm. pressure. If volume of the gas is 50cc., calculate the volume of the
1. 2 answers
2. asked by Anonymous
3. 1,094 views
If oxygen, Carbon dioxide, and xenon gases are heated at 500k with a probable particle speed of 1094 and an average particle
1. 3 answers
2. asked by Carolyn
3. 990 views
1.Can a small child play with a fat child onthe see-saw?explain how.2.Two children are sitting on the see-saw,such that they can
1. 17 answers
2. asked by haseeb
3. 4,535 views
I need help with my homework
1. 1 answer
2. asked by Sally
3. 982 views
Is phosphate PO3 or PO4?
1. 1 answer
2. asked by Lavender
3. 655 views
How do you answer this question?Trade unions and Employer Organisations, Analyse the reasons for their opposition to the new
1. 1 answer
2. asked by Susan
3. 358 views
What is the answer here? Find the sum of the biggest odd numbers formed by the digits 1 and 2 and the smallest even number
1. 1 answer
2. asked by Ana
3. 485 views
A student is in a 20 week calc class. The function f(t)=50-50e^0.2t f(t) measures the students problem speed in t weeks-how many
1. 2 answers
2. asked by Marshall
3. 542 views
derivative?f(x)= e^(-2x^2+25x+8)
1. 1 answer
2. asked by eric
3. 324 views
If 4 cards are drawn at random from a standard deck of cards, what are the odds, or probability, that the first three will be of
1. 1 answer
2. asked by Jay
3. 680 views
How do you calculate the theoretical cell voltage?1) Zn|Zn^+2 | Cu|Cu^+2 2) Cu|Cu^+2 | Zn|Zn^+2 3) Fe|Fe^+2 | Cu|Cu^+2 4)
1. 2 answers
2. asked by fenerbahce
3. 475 views
Find the equation of the tangent line to f(x)=sqrtx^2+6x at x=2, give your answer in slope-intercept form
1. 4 answers
2. asked by Ashley
3. 406 views
what is the best way to help someone who was strugging with fractions?
1. 1 answer
2. asked by arin
3. 450 views
Draw a scatterplot indicating a strong negative relationship between the variables of income and mental illness. Be sure to
1. 2 answers
2. asked by cathy
3. 835 views
by cutting away identical squares from each corner of a rectangular piece of cardboard and folding up the resulting flaps, the
1. 2 answers
2. asked by Jemima
3. 1,087 views
A woman who is 6-ft tall casts a 4.5-foot shadow at the same time that a building casts a 75-foot shadow. What is the height of
1. 2 answers
2. asked by jane
3. 679 views
Angle A ?Angle B 90° Angle C 27°
1. 1 answer
2. asked by Lydsey
3. 1,556 views
A 19-g lead bullet is shot with a speed of 340 m/s into a wooden wall. Assuming that 70% of the kinetic energy is absorbed by
1. 3 answers
2. asked by James
3. 519 views
A barrel contains 181 gallons of paint and is being drained at a constant rate of 5 gallons per hour. Write and expression that
1. 1 answer
2. asked by Michael
3. 1,145 views
find the square root of 0.5
1. 2 answers
2. asked by TUHITUHI
3. 399 views
In art, I was given a painting, and im suppose to include four points in my analysis of why it is considered realistic, also i
1. 1 answer
2. asked by Anonymous
3. 485 views
A 326 g object is attached to a spring and oscillates with a period of 0.25 s. The total energy in this system is 5.83 J. What
1. 1 answer
2. asked by shawn
3. 987 views

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