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Questions Asked on January 25, 2011

A point charge with charge q1 is held stationary at the origin. A second point charge with charge moves from the point (x1,0) to
1. 2 answers
2. asked by Cassie
3. 5,137 views
an angle is equal to one-third its complement what is the angle?
1. 6 answers
2. asked by dina
3. 4,723 views
For x≠0, the slope of the tangent to y=xcosx equals zero whenever:(a) tanx=-x (b) tanx=1/x (c) sinx=x (d) cosx=x Please help.
1. 1 answer
2. asked by Jake
3. 4,559 views
What do you call it when the nurse gives you a shot you hardly feel?s.r. = square root s.r.5 * s.r. 15. my choices are 5s.r.3,
1. 5 answers
2. asked by Amber
3. 3,749 views
Use a graph to estimate the limit:lim θ->0 (sin(5θ)/θ) Note: θ is measured in radians. All angles will be in radians in this
1. 1 answer
2. asked by Josie
3. 3,612 views
An equation to the graph of y=x^3+3x^2+2 at its point of inflection is:a) y=-3x+1 b)y=-3x-7 c)y=x+5 d)y=3x+1 e)y=3x+7 Please
1. 1 answer
2. asked by Jake
3. 3,022 views
A 5.75 µC and a -2.61 µC charge are placed 19.8 cm apart. Where can a third charge be placed so that it experiences no net
1. 1 answer
2. asked by Jose
3. 2,987 views
If 0.630 grams of HNO3 (molecular weight 63.0) are placed in 1 liter of distilled water at 25 degrees C, what will be the pH of
1. 4 answers
2. asked by Sharon
3. 2,596 views
what is the other name for machu picchu?
1. 4 answers
2. asked by kahlitah
3. 2,258 views
Q: Determine the sum of the first seven terms of a geometric series in which the first term is 11 and the seventh term is 704.^A
1. 1 answer
2. asked by Emily
3. 2,189 views
In a motorcycle race, one lap of the course is 650 m. At the start of the race, John sets off 4 seconds after Tom does, but John
1. 3 answers
2. asked by Taylor
3. 2,170 views
a chemistry lab assistant wants to prepare 10 liters of 48% acid solution. in stock he has 80% and 40% acid solutions. how many
1. 1 answer
2. asked by Jennifer
3. 2,030 views
find the slope and y-intercept of 6y=-8x-18
1. 4 answers
2. asked by kallie
3. 2,028 views
calculate the mass carbon monoxide, CO, that was needed to produce 78g of methanol, CH3OH, by the following reaction: 2H2 + CO -
1. 2 answers
2. asked by lisa
3. 2,021 views
Match these items. Match the items in the left column to the items in the right column...?1. subject names actor 2. such helping
1. 2 answers
2. asked by Anonymous
3. 1,924 views
Three blocks rest on a frictionless, horizontal table (see figure below), with m1 = 8 kg and m3 = 20 kg. A horizontal force F =
1. 1 answer
2. asked by Lauren
3. 1,825 views
Corresponding sides of 2 triangles are 6 & 15; if the perimeter of the smaller triangle is 22, what is the perimeter of the
1. 2 answers
2. asked by B.J.
3. 1,814 views
an imaginary dense star Z has 1/5 the radius of earth, but 1000 times earth's mass. How much would a masss weighing 1.0 N on
1. 1 answer
2. asked by anonymous
3. 1,622 views
In each set up the dialysis tubing contains a solution of 30% glucose and safranin. However, the set ups differ in the contents
1. 2 answers
2. asked by Jason
3. 1,507 views
Suppose that y is directly proportional to x.If y = 10 when x = −5, what is the value of y when x = 30?
1. 2 answers
2. asked by Beth
3. 1,502 views
you weigh 526 N on earth. Planet X has twice the mass of Earth and twice the radius of Earth. What is your weight in newtons on
1. 1 answer
2. asked by anonymous
3. 1,403 views
A woman is brought into an emergency room after a severe automobile accident. She’sunconscious and badly injured. Her husband
1. 1 answer
2. asked by Melinda
3. 1,402 views
I'm doing a paper on a case study. The man, John Doe, is 55 years old, has high cholesterol, and has experienced frequent chest
1. 2 answers
2. asked by Anonymous
3. 1,381 views
What mass of hydrogen peroxide must decompose to produce 0.77 grams of water(H2O)?
1. 1 answer
2. asked by Anonymous
3. 1,373 views
fluorine-18 half life of 110 min if 100mg was shipped at 8:00 am how many mg are still active at 1;30 pm same day
1. 1 answer
2. asked by Anonymous
3. 1,368 views
a car is approaching a traffic light at 25m/s when it turns red. The driver takes 1 second to react and put his foot on the
1. 1 answer
2. asked by Keith
3. 1,348 views
In the book the pigman who said "Actually i hate school, but then again most of the time i hate everything."
1. 1 answer
2. asked by Anoymous
3. 1,334 views
A bag contains 3 red, 5 black and 5 blue marbles. Four marbles are selected at random without replacement:- the probability that
1. 2 answers
2. asked by Sandy
3. 1,333 views
we are reading catching fire. we have a mini project to do. there are 17 questions and i couldn't find 4. so my questions are :1
1. 4 answers
2. asked by shweta
3. 1,317 views
Which statement describes negative population growth?A) Fewer people are born than die during a given period. B) Fewer people
1. 7 answers
2. asked by Katy
3. 1,287 views
each pizza has 8 slices the teachers want enough pizzas so that each student can have 2 slices if there are 22 students in eeach
1. 1 answer
2. asked by kareem
3. 1,273 views
Consider two masses m1 and m2 connected by a thin string. Assume the following values: m1 = 4.51 kg and m2 = 1.00 kg. Ignore
1. 2 answers
2. asked by Lauren
3. 1,269 views
C2H2(g) + 2 H2(g)--> C2H6(g)Information about the substances involved in the reaction represented above is summarized in the
1. 0 answers
2. asked by Brenda
3. 1,258 views
6 men have 6 bags each, each one has 6 cats and they had 6 kittens how many legs in all
1. 3 answers
2. asked by love
3. 1,239 views
In a solution, the substance present in the largest amount is referred to as the solvent. Consider adding one ounce of oil to
1. 1 answer
2. asked by doug
3. 1,231 views
Hydrazine has the molecular formula N2H4 and is a volatile colourless liquid often used in industrial processes and as a rocket
1. 2 answers
2. asked by rebecca niles
3. 1,225 views
How much energy (in kilojoules) is released when 12.8 g of steam at 130.0 C is condensed to give liquid water at 73.5 C? The
1. 1 answer
2. asked by Kevin
3. 1,212 views
Working on exploring algebra: Whats the Rule I understand the rules of In and out but cannot find rule with variable? Do I make
1. 0 answers
2. asked by claire
3. 1,201 views
how would you translation BElimicus, De testanmento Audivisset, adeo attonitus erat ut ninil respondere posset, salvius autem
1. 4 answers
2. asked by Anonymous
3. 1,147 views
There are 7 rap songs, 7 rock songs and 5 classical songs to select from. Three songs are to be chosento play at random-what is
1. 2 answers
2. asked by Jill
3. 1,129 views
Can someone tell me about The Mexican President's Home? Describe the building and give me some websites where I can research
1. 3 answers
2. asked by NEEDS HELP!!
3. 1,098 views
Describe the social responsibilities that the business has as an organization. Include information on how these social
1. 1 answer
2. asked by Anonymous
3. 1,097 views
Compound 1 (Figure 1 below) is a naturally occurring compound produced within the human body. It is carried in the bloodstream
1. 0 answers
2. asked by Anonymous student
3. 1,095 views
If you are given a colored substance as a sample, how would you measure the pH of a sample?
1. 1 answer
2. asked by Bam
3. 1,090 views
A.use the distributive property to write an expression that is equivalent -3(x + - 8)if the coefficient of the variable is
1. 2 answers
2. asked by karon
3. 1,076 views
72.0 ml of a 1.50 M solution is diluted to a volume of 288 mL. A 144 mL portion of that solution is diluted using 185 mL of
1. 1 answer
2. asked by Anonymous
3. 1,073 views
out of 250 oranges 50 oranges distributed in class what is the percentage left
1. 3 answers
2. asked by sahil
3. 1,068 views
Calculate the final temperature of a mixture of 350g of ice cubes at -18 degrees C and 237 g of water at 100 degrees C
1. 1 answer
2. asked by nikita
3. 1,047 views
A 390 kg motor boat, moving down a frictionless ramp, is connected over a massless pulley to a 193 kg counterweight that rests
1. 2 answers
2. asked by Josh
3. 1,042 views
Calculate the joules of energy involved when 11 grams of water at 10.0 degrees Celsius cools and then freezes at 0.0 degrees
1. 2 answers
2. asked by Palak
3. 1,040 views
find t he fractional part of each number 2/3 of 9 and 1/6 of 12
1. 1 answer
2. asked by jayjay
3. 1,038 views
<21{1[1(13)13]}> A recent study of 100 employees from six departments of a major corporation found 65% to be sleep deprived. The
1. 1 answer
2. asked by Anonymous
3. 1,028 views
A jet leaves an airport traveling at a steady rate of 600 km/h. Another jet leaves the same airport 3/4 hr later taveling at 800
1. 2 answers
2. asked by Jenny
3. 1,024 views
Let h be the function defined by the equation below.h(x)= x^3-x^2+x+6 h(-8)
1. 1 answer
2. asked by Anonymous 3
3. 1,012 views
A farm raises a total of 220 chickens and pigs. The number of legs of the stock in the farm totals 520. how many chickens and
1. 1 answer
2. asked by Jarrad
3. 1,002 views
made out human skills produced by human not natural 10 letters is an adjetive
1. 1 answer
2. asked by taylor
3. 993 views
Choose the pair of words/phrases among the choices that exhibits the same logical relationship as the words/phrases in the
1. 3 answers
2. asked by Anonymous
3. 974 views
Global warming refers to the rise in average global temperature due to the increased concentration of certaingases, called
1. 2 answers
2. asked by marie
3. 973 views
Hey, I made a thesis for my essay, but is it any good? Make any fixes to it if possible. Thanks! :)In general, parents often
1. 2 answers
2. asked by Jadon
3. 965 views
If line g passes through point (2, 2) and is perpendicular to the line h, then what is the equation of line g? With h passing
1. 1 answer
2. asked by jack
3. 958 views
When copper(II) oxide is heated in the presence of hydrogen gas, elemental copper and water are produced. What mass of copper
1. 2 answers
2. asked by nikki
3. 939 views
In a motorcycle race, one lap of the course is 650 m. At the start of the race, John sets off 4 seconds after Tom does, but John
1. 5 answers
2. asked by Taylor
3. 928 views
if f x is the slope of a trail at a distance of x miles from the start of the trail what does the definite integral of (f)xdx
1. 0 answers
2. asked by Jasmine
3. 921 views
At 20 degrees celsius the vapor pressure of dry ice is 56.5atm. If 10 g of dry ice (solid CO2) is placedin in an evacuated 0.25
1. 1 answer
2. asked by john
3. 915 views
If depreciation is not a cash flow item, why does it affect the level of cash flows from a project in any way?Why are we
1. 1 answer
2. asked by sasha
3. 913 views
calculate the mass carbon monoxide, CO, that was needed to produce 78g of methanol, CH3OH, by the following reaction: 2H2 + CO
1. 2 answers
2. asked by lisa
3. 913 views
a girl throws a ball vertically upwards at 5m/s from the roof of a building 20m highhow long will it take the ball to reach the
1. 2 answers
2. asked by Keith
3. 911 views
How much heat would be required to warm Earth¡¯s oceans by 1.0 ¡ãC? Assume that the volume of Earth¡¯s oceans is 137 x
1. 3 answers
2. asked by marie
3. 903 views
Stressed and Unstressed Syllables.Hello, I've seen the previous threads about this, I'm doing the same exercise, but there are
1. 4 answers
2. asked by Leeroy
3. 896 views
11. What kind of complement is the underlined word?Mom, give us a break, just once. (Points : 5) direct object indirect object
1. 5 answers
2. asked by allison
3. 895 views
1. Perform these transformations on ∆TRL and compute the perimeter of the pre-image and final image. Show your computation for
1. 0 answers
2. asked by Preston
3. 859 views
why is the orthocenter of a right triangle on the vertex that is a right angle?
1. 2 answers
2. asked by Alaska
3. 856 views
How long does it take a plane, traveling at a constant speed of 160 m/s, to fly once around a circle whose radius is 3450 m?
1. 1 answer
2. asked by lucey
3. 851 views
Students who do their homework on a regular basis have grades higher than students who don’t do homework. When students do not
1. 6 answers
2. asked by christy
3. 845 views
how much heat would be required to warm Earths ocean by 1.0 degrees C assuming that the volume is 137*10^7 km ^3 and the density
1. 1 answer
2. asked by marie
3. 836 views
Use a graph to estimate:Lim x-> 0 of sin(8x)/x when x is measured in degrees.
1. 1 answer
2. asked by Jenifer
3. 821 views
Who developed the behavioral learning theory and explain the theory?Did John Watson, Ivan Pavlov and B.F. Skinner develop the
1. 3 answers
2. asked by patiance
3. 813 views
Assuming the density of acetic acid solution is 1.0 g/mL, determine the volume of the acetic acid solution necessary to
1. 1 answer
2. asked by JACK
3. 813 views
Determine whether the statement represents a progressive view or a traditional view of literature.1.There is no such thing as
1. 1 answer
2. asked by Ron
3. 807 views
A light bulb is wired in series with a 133-Ω resistor, and they are connected across a 120-V source. The power delivered to the
1. 3 answers
2. asked by joe
3. 798 views
One taxi company charges $1.50 for the first 2 miles of any trip, andthen $1.20 for each mile after that. How is the taxi fare
1. 2 answers
2. asked by Anonymous
3. 790 views
Graph the equation using the slope and the y-intercept y=7/6x+2.Thank you for your help.
1. 4 answers
2. asked by Anonymous
3. 770 views
A line has slope 4/3.Through which two points could this line pass?
1. 1 answer
2. asked by Ian Thomas
3. 763 views
Please factor8x^2+18x-5 It would be appreciated if you show the steps. Need this ASAP...Thanks (:
1. 1 answer
2. asked by NeedHelp 1
3. 752 views
benzaldehyde has a normal boiling point of 179 C and a critical point at 422C and 45.9 atm. estimate its vapor pressure at 139C.
1. 1 answer
2. asked by Chem 2011
3. 750 views
The decomposition of IBr(g)into I2 (g) and Br2 (g) is first order in IBr with k = 0.00255/sec.(a)Starting with [IBr] = 1.50M,
1. 2 answers
2. asked by David
3. 750 views
If I am writing an essay what should I include for my paragraphs the essay question is:"What problems did the farmers experience
1. 2 answers
2. asked by Sumaiya
3. 746 views
A loan of $37,000 is made at 3%interest, compounded annually. After how many years will the amount due reach $49,000 or more?
1. 1 answer
2. asked by Jen
3. 727 views
Can someone check my homework please, I have to write several sentences describing a recent interaction with a friend or family
1. 9 answers
2. asked by anonymous
3. 727 views
The Early and Late Middle Ages both went through bad times with all the wars and dieseases. The High Middle Ages were growing
1. 1 answer
2. asked by Anonymous
3. 712 views
A 32.85-{\rm g} sample of a solid is placed in a flask. Toluene, in which the solid is insoluble, is added to the flask so that
1. 2 answers
2. asked by Nicole
3. 711 views
I'm trying to write a few sentences about what I believe friendship is. I really love Shakespeare's literature, and want to
1. 8 answers
2. asked by Maddy
3. 710 views
28. Which of the following sentences contains a shift in tense? (Points : 5)Reading biographies helps you understand how the
1. 1 answer
2. asked by allison
3. 698 views
The density of copper is 8.92 g/cm cubed. if you plotted the mass of copper in grams verses the volume in cubic cm what would
1. 1 answer
2. asked by misti
3. 687 views
I recently read the article Morning in America: A Letter from Feminists on the Election (2008) by the WMC and am having trouble
1. 0 answers
2. asked by Glen
3. 675 views
Consider the isothermal expansion of 4.50 mol of an ideal gas at 450 K from an initial pressure of 12.0 bar to a final pressure
1. 0 answers
2. asked by Katherine
3. 673 views
What is the magnitude of the force a +23 µC charge exerts on a +3.5 mC charge 49 cm away?
1. 1 answer
2. asked by Jose
3. 670 views
"The truth is that the reader is always right. Chances are, if something you’re reading doesn’t make sense, it’s not your
1. 2 answers
2. asked by chris
3. 665 views
what is the 4σ rule of thumb in statistics
1. 1 answer
2. asked by noel
3. 662 views
The point (-1, -1) is in quadrant IV.How to determine if this is true or false?
1. 3 answers
2. asked by rosie
3. 660 views

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