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2013
April

Questions Asked on April 26, 2013

Do you think it is more useful to have the percent by mass of water in hydrate or the percentage composition, assuming that you
1. 3 answers
2. asked by cazzy
3. 4,538 views
The percentage of physicians who are women is 27.9% in a survey of physicians employed by a large university health system, 45
1. 0 answers
2. asked by Paula
3. 1,169 views
1.A decline in the number of U.S. manufacturing jobs was in part the result of *globalization. biotechnology. entrepreneurs.
1. 3 answers
2. asked by james
3. 1,504 views
A 10 m platform diver during his diving can increase his rotation rate from an initial rate of 0.8 rev/s to a maximum of 3.3
1. 0 answers
2. asked by Derrick
3. 484 views
what pressure (in atm) would be exerted by 76g of fluorine gas in a 1.5 litre vessel at -37 degrees Celsius?
1. 3 answers
2. asked by jane
3. 5,053 views
Which of the following graphs of exponential functions corresponds to a geometric sequence with a 1st term of 6 and a ratio of
1. 3 answers
2. asked by Tifini
3. 1,052 views
Find the slope of a line that is perpendicular to the line containing the points (–2, –1) and (2, –3).can you tell me how
1. 0 answers
2. asked by Mr.Brain
3. 322 views
Which of the following will increase the strength of a sample of 90% SiO2 - 10% MgO
1. 3 answers
2. asked by Anonymous
3. 376 views
Glass A has a composition of 90% SiO2 - 10% Na2O. Glass B has a composition of 99% SiO2 - 1% Na2O. Both glasses are cooled to
1. 2 answers
2. asked by Anonymous
3. 1,003 views
To reduce the loss of helium, a pressure vessel is lined with a membrane made of tantalum. The concentration of helium at the
1. 4 answers
2. asked by Anonymous
3. 501 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. 1 answer
2. asked by Anonymous
3. 589 views
a bullet of mass 0.015kg strikes ballistic pendulum of mass 2.0kg .the center of mass of the pendulum rises a vertical distance
1. 1 answer
2. asked by lonia
3. 780 views
Acetaldehyde, CH3CHO, will decompose into methane and carbon monoxide according toCH3CHO (g) -> CH4 (g) + CO (g) At 450C the
1. 2 answers
2. asked by Anonymous
3. 1,765 views
four moles of gas are contained in 2 litre vessel at the temperature of 200c at a pressure of 10atm.the gas is allowed to expand
1. 0 answers
2. asked by Anonymous
3. 501 views
The Young’s modulus for steel is 20.7*1010 N/m2. How much will a 2.5 mm diameter wire 12 cm long, be strained when it supports
1. 5 answers
2. asked by Anonymous
3. 703 views
Two voltmeters, Vright and Vleft, each with an internal resistance of 106 Ω are connected through wires of negligible
1. 0 answers
2. asked by sat
3. 529 views
Show me cosine rule
1. 1 answer
2. asked by Anonymous
3. 341 views
A Bainbridge mass spectrometer is shown in the figure. A charged particle with mass m, charge |q|=3.2 ×10−19C and speed v=3
1. 1 answer
2. asked by sat
3. 602 views
A current I=2.3 A flows around a continuous path that consists of portions of two concentric circles of radii a and a/2,
1. 0 answers
2. asked by sat
3. 410 views
Consider a thin, infinitely long conducting ribbon that carries a uniform current density j (current per unit area). The width
1. 2 answers
2. asked by sat
3. 450 views
I'd like to know if I answered these correctly.1.Both the Whitman poem and the Dickinson poem are examples of poetry that? A.
1. 6 answers
2. asked by Eri
3. 1,407 views
(a)what is the magnitude of the gravitational force of the earth on a surveillance satellite of mass 1040kg that is in a grazing
1. 2 answers
2. asked by lonia
3. 605 views
Which functions of x and y in terms of time t can be derived from this rectangular equation? (x^2/4)+y^2=1A. x = 2sin t, y =
1. 1 answer
2. asked by Chris
3. 594 views
If w = <-8, 15>, find ||w||.A. 7 B. 17 C. 23 D.sqrt 7 E.sqrt 23
1. 1 answer
2. asked by Chris
3. 313 views
I am having problems with permutationswhat is 5P2 The answer I have is 20 am I wrong?
1. 2 answers
2. asked by Carol
3. 394 views
A pilot flying at an altitude of 3500 feet sees a baseball field at an angle of depression on 35 degrees. what is the pilot's
1. 2 answers
2. asked by Omar
3. 604 views
Renee has a research paper due in three days. She has set aside two hours to complete this task. What is wrong with this study
1. 1 answer
2. asked by raul
3. 413 views
What is the rectangular form of the complex number z^4 if z = 2cis 60°?
1. 0 answers
2. asked by Chris
3. 705 views
A 2.70 m long pole is balanced vertically on its tip. What will be the speed (in meters/second) of the tip of the pole just
1. 1 answer
2. asked by Nicole
3. 661 views
A rescue cable attached to a helicopter weighs 2 lb/ft. A 190 lb man grabs the end of the rope and is pulled from the ocean into
1. 2 answers
2. asked by Carl
3. 1,564 views
What is the angular momentum (in kilogram-meter^2/second) of a 500.0 g ball rotating on the end of a string in a circle of
1. 2 answers
2. asked by Nicole
3. 532 views
To avoid speaking in monotone, a strategy to use can include:A. changing pitch and tone of voice. B. voice inflection. C.
1. 6 answers
2. asked by Martha
3. 885 views
Math Problem: Find the area of a circle that has a radius of 14 feet. Round your answer to the nearest hundredth.Would someone
1. 1 answer
2. asked by John
3. 992 views
Life orientation.......Recomendation on how to address hiv/aids
1. 0 answers
2. asked by Muila winney khutso
3. 392 views
a circle is formed with a center (-3,5) and a radius.of 4 write the circle as a pair of parametric equations. then show how you
1. 1 answer
2. asked by gggggg
3. 541 views
There is a line with two rectangular pt (3, 4)&(6,-3)write this line as a pair of parametric equations then show how you can
1. 1 answer
2. asked by brady
3. 419 views
A circle is formed with a center (-3, 5) and a radius 4 write a pair of parametric equations then show how to return to
1. 0 answers
2. asked by brady
3. 382 views
1. Verbal communication refers mainly to:A. vocal quality. B. pitch. C. use of words. D. tone. is it C 2. Nonverbal
1. 1 answer
2. asked by Amy
3. 1,188 views
A company produces batteries whose lifetimes are normally distributed with a mean of 100 hours. It is known that 90% of the
1. 0 answers
2. asked by Ravi
3. 1,112 views
1. All of the following are helpful techniques in effective speech delivery EXCEPT:A. pauses. B. voice inflection. C. filler
1. 1 answer
2. asked by Amy
3. 1,931 views
A quarter has a diameter of approximately 24 millimeters. What is the area of the quarter?Did I work this right? A= 3.14 (12)
1. 3 answers
2. asked by Daniel
3. 1,827 views
Suppose that a vegetable vendor pays 7% interest daily on a $10 loan. Then, suppose that this individual was able to save $0.50
1. 0 answers
2. asked by cevin
3. 357 views
To avoid speaking in monotone, a strategy to use can include:A. changing pitch and tone of voice. B. voice inflection. C.
1. 1 answer
2. asked by Amy
3. 1,241 views
Ive tried using the formulas my teacher gave me, however I can't seem to get the right answers. Please help!A 1.4-kg block hangs
1. 1 answer
2. asked by Madison
3. 411 views
how much of energy need to evaporate 1 kg moles of hydrated water
1. 1 answer
2. asked by prabhakar
3. 310 views
the average 1-ounce chocolate chip cookie contains 110 calories. A random sample of 15 different brands of 1-ounce chocolate
1. 2 answers
2. asked by Paula
3. 1,708 views
Two voltmeters, Vright and Vleft, each with an internal resistance of 106 Ω are connected through wires of negligible
1. 0 answers
2. asked by s
3. 553 views
The switch in the circuit below has been open for a long, long time, R1=8.0 Ohm, R2=5.0 Ohm, L=0.03 H, V=1 V. The internal
1. 0 answers
2. asked by s
3. 534 views
A current I=2.3 A flows around a continuous path that consists of portions of two concentric circles of radii a and a/2,
1. 0 answers
2. asked by s
3. 925 views
A spherical shell of radius R carries a uniform surface charge density (charge per unit area) σ. The center of the sphere is at
1. 133 answers
2. asked by s
3. 2,778 views
One environment or human factor that causes ill health or accidents in my community or any other community within South Africa.
1. 1 answer
2. asked by Zanele
3. 984 views
the Old Farmer’s Almanac stated that the average consumption of water per person per day was 123 gallons. To test the
1. 0 answers
2. asked by Paula
3. 1,093 views
Why is the ability to draw conclusions important in research?A. To discover the effect of the topic B. To enable further
1. 2 answers
2. asked by Sandy
3. 558 views
Frank and Mary are buying a home for $187,500. Their Good Faith Estimate indicates they will be paying $2200 in closing costs
1. 0 answers
2. asked by tmouery
3. 838 views
Suppose that you did not completely convert the hydrate to dehydrate compound. Explain how would this affect the calculated
1. 2 answers
2. asked by mitchel
3. 1,637 views
The term "worm" is a description of a body shape. A worm had a long, thin body. Aew all worms in the same phylum? How do you
1. 1 answer
2. asked by Allison
3. 513 views
Estimate the percentage savings in the fuel bill if the thermostat is set back from 68 degrees F to 50 degrees F for 12 hours of
1. 1 answer
2. asked by Samuel
3. 945 views
What is the plane and lattice structure that is represented in this picture?SC (100) BCC (100) FCC (100) SC (110) BCC (110) FCC
1. 3 answers
2. asked by Maikol
3. 404 views
a 100-kg b
1. 1 answer
2. asked by lanina
3. 228 views
The current circulation of a particular magazine is 3,000 copies per week. The editor projects a growth rate ofg(t) = 4 + 5t^2/3
1. 1 answer
2. asked by Karen
3. 980 views
In a test run, a new train travels along a straight-line track. Data obtained from the speedometer indicate that the velocity of
1. 3 answers
2. asked by Mimi
3. 1,069 views
Is the word Drives transitive or intransitive in the following sentence? Michael drives every day.
1. 1 answer
2. asked by kara
3. 366 views
is the word thirst transitive or intransitive in the following sentence? I thirst.
1. 1 answer
2. asked by kara
3. 391 views
Is the verb drives transitive or intransitive in the following sentence? Micheal drives his own car.
1. 1 answer
2. asked by kara
3. 424 views
Is the verb crave CRAVES in the following sentence transitive or intransitive? Fred craves cheeseburgers.
1. 2 answers
2. asked by kara
3. 356 views
To estimate the height of a building, two students find the angle of elevation from a point (at ground level) down the street
1. 1 answer
2. asked by marie darling
3. 7,366 views
The four sequential sides of a quadrilateral have lengths a=3.6, b=5.3, c=8.4, and d=10.2 (all measured in yards). The angle
1. 2 answers
2. asked by marie darling
3. 6,777 views
What is the relationship between revision and content?A. Correct content makes revision unnecessary. B. Revision links content
1. 0 answers
2. asked by Ms. Sue Please Help (Sandy)
3. 611 views
Assume a family is planning to have three children.A. What is is the probablity of a family having 2 girls. B. The probablity of
1. 1 answer
2. asked by Angela
3. 455 views
here can be some parallels made between the way politicians today might attack the foibles and personal shortcomings of their
1. 2 answers
2. asked by Evaa
3. 466 views
Problem SolvingINCORRECT PAY RATE: Recently you received a promotion that indicated a pay raise. You log into your company
1. 0 answers
2. asked by Anonymous
3. 536 views
What does it mean when there is a high prior probability in terms of Baynesian statistics?
1. 0 answers
2. asked by Z
3. 323 views
In a test run, a new train travels along a straight-line track. Data obtained from the speedometer indicate that the velocity of
1. 1 answer
2. asked by Mimi
3. 788 views
11. An object with a charge of +6.0 µC is 0.30 m from a second object and experiences an attractive force of 1.80 N. What is
1. 1 answer
2. asked by Ginger
3. 911 views
What assumptions can be made about a credible source?A. It is lengthy and details. B. It is from Wikipedia. C. It is not trying
1. 5 answers
2. asked by Ms. Sue Please Help (Sandy)
3. 483 views
Assume a family is planning to have three children.A. What is is the probablity of a family having 2 girls. B. The probablity of
1. 1 answer
2. asked by Angela
3. 1,164 views
use the van der waals equation to calculate the pressure of 4.00 mol of H20 at 471K in a 4.60-L vessel. how do you solve?
1. 1 answer
2. asked by Katherine
3. 1,135 views
A block of mass 8.50 is sliding along a smooth surface when it encounters a 0.800 long region of roughness with =0.310. The
1. 1 answer
2. asked by lauren
3. 822 views
a model for a proposed computer chip measures 3/4 inch by 1 1/4 help me find the area
1. 3 answers
2. asked by tanyelle
3. 979 views
it has been found that 85.6% of all enrolled college and university students in the U.S. are undergraduates. A random sample of
1. 4 answers
2. asked by Paula
3. 6,663 views
name two institutions/community organisation that are involved in supporting or giving redress to these disasters
1. 2 answers
2. asked by mbulelo p
3. 360 views
hinew to economics, and struggling with some of its concepts. got this posed as a homework question, and i have to admit stumped
1. 0 answers
2. asked by john
3. 936 views
A survey by Men’s Health magazine stated that 14% of men said they used exercise to reduce stress. Use a = 0.10. a random
1. 0 answers
2. asked by Paula
3. 1,012 views
The energy of vacancy formation in palladium (Pd) is 1.5 eV. At 888C there is one vacancy for every million (106) atom sites.
1. 4 answers
2. asked by ssss
3. 546 views
Which of the following will increase the strength of a sample of 90% SiO2 - 10% MgOQuench the entire sample in water Quench half
1. 1 answer
2. asked by ssss
3. 385 views
The following sentence is missing punctuation: "The twins although identical physically were polar opposites in terms of
1. 1 answer
2. asked by Shorty
3. 412 views
how lifstyle behaviour cancer disease impact on the teenager?
1. 1 answer
2. asked by thandeka
3. 318 views
which of the following molecules has a conformational isomer?CHCH CH2CH2 CH3CH2CH2CH3 CH2CCCH2 I think its either 2 or 4 but
1. 1 answer
2. asked by erin
3. 2,553 views
How much heat, expressed in Kwh, is required to raise the temperature of water in a 20,000 gallon pool by 10 degrees C. ?
1. 1 answer
2. asked by Wolter
3. 339 views
how can i address water pollution
1. 1 answer
2. asked by thandeka
3. 918 views
Three types of indicators
1. 1 answer
2. asked by Phumudzo
3. 377 views
C(x)=450x+5000, R(x)=-3x^2+900x for 20<x<150 where x>=20
1. 1 answer
2. asked by Lex
3. 452 views
Explain mentally which fraction would be the larger. Use two different types of thinking for each problem.A. 4/5 or 8/9 B. 3/5
1. 1 answer
2. asked by Angela
3. 419 views
Two identical positive charges exert a repulsive force of 7.0 10-9 N when separated by a distance of 3.2 10-10 m. Calculate the
1. 2 answers
2. asked by Mat
3. 1,521 views
In a gas mixture, the partial pressures are argon 393 mm Hg, neon 73 mm Hg, and nitrogen 119 mm Hg. What is the total pressure
1. 1 answer
2. asked by Kendyl
3. 1,255 views
Please need help writing a poem?well i have decided to right about marriage and so far i have done this when marriage isn't as
1. 3 answers
2. asked by yesica
3. 430 views
An independent-measures research study computes three treatment conditions with a sample of n=10 in each conditions. The sample
1. 1 answer
2. asked by kisha
3. 702 views
How much ice (in grams) would have to melt to lower the temperature of 53.4g of water from 65 C to 0C?I know there are more than
1. 4 answers
2. asked by Kim
3. 1,253 views
A school psychologist reports that the mean number of hours the students at this school sleep each night is 8 hours. The
1. 1 answer
2. asked by Anonymous
3. 753 views
Find the slope of a line that is perpendicular to the line containing the points (–2, –1) and (2, –3).can you tell me how
1. 2 answers
2. asked by Mr.Brain
3. 1,442 views

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