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Questions Asked on February 4, 2008

A company manufactures calculators in batches of 64 and there is a 4% rate of defects. Find the probability of getting exactly
1. 1 answer
2. asked by Jen
3. 5,010 views
(a) How much charge does a battery have to supply to a 5.0 uF capacitor to create a potential difference of 1.5 V across its
1. 2 answers
2. asked by J
3. 3,971 views
Classify each of the following by the type of solid if forms:a. LiCl b. BaCl2 c. BCl3 d. CCl4 e. NCl3 I have four different
1. 4 answers
2. asked by Lauren
3. 3,339 views
how do you know which halide salts confirms a presence of F- ions, Cl- ions, Br- ions, and I- ions?
1. 9 answers
2. asked by Amanda
3. 3,235 views
A quantity of ice at 0.0 degrees C was added to 33.6 of water at 21.0 degree C to give water at 0.0 degrees C. How much ice was
1. 1 answer
2. asked by Lauren
3. 2,660 views
in apool game,a cue ball traveling at 0.75 m/s hits the stationary eight ball The eight ball moves with a velocity of 0.25 m/s
1. 4 answers
2. asked by melissa
3. 2,518 views
Use the Poisson Distribution to find indicated probability.A naturalist leads whale watch trips every morning in March. Teh
1. 1 answer
2. asked by Jen
3. 2,510 views
How do I take the antilog of -0.05?
1. 2 answers
2. asked by stew
3. 2,277 views
What are some important characteristics of effectivewritten communication? How do these qualities help in communicating
1. 2 answers
2. asked by Dawn
3. 2,184 views
In the formation of acid rain, sulfur dioxide reacts with oxygen and water in the air to form sulfuric acid. Write the balanced
1. 3 answers
2. asked by ChaCha
3. 2,113 views
One in a series of reactions that inflate air bags in automobiles is the decomposition of sodium azide (NaN3).2 NaN3(s) 2 Na(s)
1. 2 answers
2. asked by ChaCha
3. 1,928 views
Use Pascal's triangle to expand (a+b)^6 and hence find the binomial expansion of: (x-3)^6
1. 2 answers
2. asked by Liz
3. 1,852 views
2NO2(g)--> 2NO(g) + O2(g) , H=+114.2kJ(Note: H, S, G all have a degree sign next to them) NO: H(enthalpy)=90.3kJ/mol,
1. 3 answers
2. asked by apoorva
3. 1,806 views
a 100-g bullet is fired horizontally into a 14.9kg block of wood resting on a horizontal surface and the bullet becomes embedded
1. 1 answer
2. asked by melissa
3. 1,703 views
a weight of 12 N causes a spring to stretch 3.0 cm. what is the spring comstant k of the spring?
1. 3 answers
2. asked by chanel
3. 1,690 views
The lenth of a room is 3 more thean twice the width of the room. The perimeter of the room is 66 feet. What are the dimensions
1. 3 answers
2. asked by G
3. 1,620 views
A quantity of ice at 0.0 degrees C was added to 33.6 of water at 21.0 degree C to give water at 0.0 degrees C. How much ice was
1. 2 answers
2. asked by Lauren
3. 1,565 views
Bess filled a syringe with water and left it by the sink in the sunshine. Ten minutes later she saw a puddle of water under the
1. 3 answers
2. asked by aj
3. 1,555 views
Two capacitors, C1=25.0x10^-6 and C2=5.0x10^-6 are connected in parallel and charged with a 100-V power supply.a)calculate the
1. 4 answers
2. asked by nat
3. 1,479 views
The center of a 4.0 kg sphere and a 7.5 kg sphere are separated by a distance of 1.5 m where is the center of mass of the two
1. 1 answer
2. asked by melissa
3. 1,320 views
a pool player imports an impulse of 3.2 N*s to a stationary 0.25-kg cue ball with a cue stick what is the speed of the ball just
1. 2 answers
2. asked by melissa
3. 1,298 views
a shooter putter releases the shot some distance above the level ground with a velocity of 12.0 m s 51.0 degrees above the
1. 2 answers
2. asked by tiara
3. 1,269 views
the cener mass of an object (a)always lies at the center of the object (b) is at the location of the most massive partical in
1. 1 answer
2. asked by melissa
3. 1,269 views
The vapor pressure of water above a sugar water solution at 25.0 degrees C is 21.4 mmHg. What is the mole fraction of sugar in
1. 2 answers
2. asked by Jake
3. 1,260 views
Bess filled a syringe with water and left it by the sink in the sunshine. Ten minutes later she saw a puddle of water under the
1. 2 answers
2. asked by Caroline
3. 1,257 views
two springs have spring constants of 10.0 N/cm and 15.0 N/cm. which spring is more difficult to stretch?
1. 4 answers
2. asked by chanel
3. 1,223 views
A 450 uF capacitor is charged to 295 V. Then a wire is connected between the plates. How many joules of thermal energy are
1. 1 answer
2. asked by J
3. 1,206 views
Suppose that you got a score of X=78 on an English test for which the mean was (mu)=70 and the standard deviation was (lower
1. 1 answer
2. asked by Kat
3. 1,169 views
The total pressure in a flask containing air and ethanol at 257C is 878 mm Hg. The pressure of the air in the flask at 257C is
1. 0 answers
2. asked by betty
3. 1,130 views
how do you know which halide salts confirms a presence of F- ions, Cl- ions, Br- ions, and I- ions?
1. 0 answers
2. asked by Amanda
3. 1,109 views
Which of the following alkenes do not show cis-trans isomerism?I) 2-methyl-2-hexene II) 1-chloro-1-butene III)
1. 2 answers
2. asked by Dawn
3. 1,079 views
i think i have posted this before except i forgot to put the decimal in the temperature. i was hoping you could help me now that
1. 1 answer
2. asked by Matthew
3. 1,078 views
On the basis of the description given classify each of the following solids as molecular, metallic, ionic, or covalent network.
1. 3 answers
2. asked by Lauren
3. 1,077 views
Determine the height of a tree which casts a shadow of 13.7m when the sun is at an angle of 28 degrees.
1. 2 answers
2. asked by Liz
3. 1,070 views
The total pressure in a flask containing air and ethanol at 25.7C is 878 mm Hg. The pressure of the air in the flask at 25.7C is
1. 0 answers
2. asked by mitchell
3. 1,067 views
a 1.0 kg ball is thrown horizontally with a velocity 15 m/s against a wall. If the ball rebounds horizontally with a velocity of
1. 1 answer
2. asked by melissa
3. 1,040 views
The probability that Don's car passes the MOT test next time is 4/5, that Mag's car passes is 5/7 and that Joe's car passes is
1. 1 answer
2. asked by Anonymous
3. 1,028 views
Hi, can someone proofread this for me. I'll appreciate it. Thanks in advance.The practicum site I selected is an elementary
1. 8 answers
2. asked by Bizzy
3. 1,025 views
find the constant term of the expansion of (3x²+(1/x))^8I don't know where to start =\
1. 2 answers
2. asked by Liz
3. 1,015 views
A tank of gas at 21 degrees C has a pressure of 1.0 atm. Using the data in the table answer the following questions. Explain
1. 2 answers
2. asked by Lauren
3. 1,014 views
What does a coast guard have to do with the study of geography?
1. 1 answer
2. asked by Rachel
3. 1,010 views
When a student plotted ln [vapor pressure of a gas] vs. inverse Kelvin temperature, she obtained a straight line with a slope
1. 1 answer
2. asked by dave
3. 978 views
For a sample with a mean of M=85, a score of X=90 corresponds to a z-score of z=1.00. What is the sample standard deviation?
1. 1 answer
2. asked by Andrew
3. 967 views
Three lighthouses on three nearby islands flash their lights every evening. On one island, the light flashes every 45 seconds.
1. 3 answers
2. asked by Kenny
3. 962 views
The total pressure in a flask containing air and ethanol at 257C is 878 mm Hg. The pressure of the air in the flask at 257C is
1. 2 answers
2. asked by dave
3. 962 views
Situation: You need to step up on a step to reach an object on a high shelf.Instructions: (Part one) Trace the nerve impulse,
1. 0 answers
2. asked by Sara
3. 962 views
What's a word that could describe the following phrase:forever peace
1. 9 answers
2. asked by Lena
3. 936 views
Find the CPI for 2006(2005 is the base year; and 2005 as the fixed basket of goods for each year. also 2005 CPI=100)2006 has
1. 1 answer
2. asked by Dee
3. 925 views
how do you make a mystic rose?
1. 1 answer
2. asked by Malhar
3. 910 views
Find the coefficient of x³ in the expansion of (2x+5)^6
1. 1 answer
2. asked by Liz
3. 883 views
Read the following scenario: You are a second-grade teacher at Happy Valley Elementary School. You are teaching language arts
1. 5 answers
2. asked by Dawn
3. 881 views
A wire of initial length Lo and radius rO has a measured resistance of 1.0 ohm. the wire is drawn under tensil stress and to a
1. 1 answer
2. asked by nat
3. 874 views
which sentence is correct?"...an affair took place between her and dr. white" "...an affair took place between she and dr.
1. 1 answer
2. asked by Student
3. 870 views
FIND the integer ofN=abcd....yz let M=zabcd....y if M=3N what was N? please help me figure it out!
1. 1 answer
2. asked by MTTT*
3. 839 views
write down the wave equation in symbol form?
1. 0 answers
2. asked by Costa
3. 838 views
Two balls with masses of 2.0kg and 6.0kg travel toward each other at speeds of 12 m/s and 4.0 m/s respectivly. If the balls have
1. 2 answers
2. asked by melissa
3. 837 views
How did segregation change from back then to today?
1. 0 answers
2. asked by Brooke
3. 835 views
A stock solution was prepared by dissolving exactly 0.4000 g of pure ASA (180.16g/mol) in 10.00 mL of NaOH and heating the
1. 1 answer
2. asked by Anonymous
3. 820 views
The standard solution were prepared by transferring exactly 1.00 mL, 2.00 mL, 3.00 mL, 4.00 ml, and 5.00 ml, respectively, of
1. 1 answer
2. asked by Anonymous
3. 790 views
diana wants to make a 15ft. by 20ft. section of her yard into a garden. she will plant flowers in 2 of the garden3 and
1. 3 answers
2. asked by nisa
3. 784 views
What are the similarities and differences between fermentation and cellular respiration besides the use of glycolysis?
1. 1 answer
2. asked by Anonymous
3. 772 views
Think anyone at there can help me?! ^_^;Today unions (A) have generally experienced a tremendous increase in membership (B) have
1. 7 answers
2. asked by Winter
3. 772 views
The radius of a certain planet is 6.04x10^7 meters, and its mass is 5.19x10^26 kg. Find the density of this planet. (The volume
1. 1 answer
2. asked by Christina
3. 761 views
Approximate to the nearest tenth the positive real zeroes of f(x)=x^2+1. I got .6Solve over the set of complex numbers.
1. 1 answer
2. asked by Amanda
3. 741 views
(3 pts) The stockroom prepared a solution by dissolving 0.2300 g of Erythrosin B (MW = 879.87 g/mol) in DI water in a 250.00 mL
1. 1 answer
2. asked by Anonymous
3. 725 views
If you are getting 270X magnification with a 45X objective, what would be the power of the eyepiece?
1. 1 answer
2. asked by Anna
3. 723 views
find the magnitude of the linear momentum of (a)7.1-kg bowling ball traveling at 12 m/s and(b)a 1200-kg automobile traveling
1. 0 answers
2. asked by melissa
3. 715 views
To get off a frozen frictionless lake, a 70.0kg person takes off a 0.150-kg shoe and throws it horizontally directly away from
1. 0 answers
2. asked by melissa
3. 701 views
The total pressure in a flask containing air and ethanol at 25.7 C is 878 mm Hg. The pressure of the air in the flask at 25.7 C
1. 0 answers
2. asked by Matt
3. 688 views
What is the figurative meaning of the roads diverging in Robert Frost"s poem"The Road not Taken"?
1. 4 answers
2. asked by Bob
3. 681 views
Find the CPI for each year(2005 is he base year;and take 2005 as the fixed basket of goods for each year):2005 price of apple is
1. 1 answer
2. asked by Carla
3. 672 views
Iodine-131 is used to treat hypo-thyroidism since it is preferentially absorbed by the thyroid and typically involves a total
1. 1 answer
2. asked by anonymous
3. 647 views
Find dx/dy by implicit differentiationx^2y+y^2x P.S: It's calculus
1. 3 answers
2. asked by Skye
3. 641 views
Can anyone check this answer for me,simultaneous equation. Where y = 14 + 0.11x and y = 10 + 0.14x use algebra to solve, is the
1. 2 answers
2. asked by Leo
3. 623 views
In Tom Godwin's Cold Equations (short story), what writing style does he use?
1. 1 answer
2. asked by Aaron
3. 619 views
Methanol, CH3OH a colorless voltile liquid was formerly known as wood alcohol. It boils at 65 degrees C and has a heat of
1. 1 answer
2. asked by Lauren
3. 610 views
Leticia No se si estoy (1) si tengo (2) Primero tengo frio y luego tengo calor. Mi temeratura es de 104; tengo una (3)y tengo
1. 1 answer
2. asked by sam
3. 609 views
how do you make a sketch of the earth, moon, and sun during a solar eclipse so that your sketch contains similar triangles?
1. 1 answer
2. asked by Ariel
3. 607 views
fill in the blanks with the body parts being described?Tienes diez en las manos y diez en los pies. La usas para llevar aretes.
1. 1 answer
2. asked by sam
3. 606 views
Which is the easiest way to figure a quadratic equation; graphing, quadratic formula, completing a square and factoring?
1. 2 answers
2. asked by Marysvoice
3. 605 views
I have a few diff questions:1. Georgia _____________) esta enojada or teine tos)porque tiene varicela y no puede ir a la fiesta
1. 1 answer
2. asked by sam
3. 601 views
Hi, can someone proofread this and let me know what my weaknesses are on my thoughts or sentence structure.Based on the article
1. 4 answers
2. asked by Bizzy
3. 598 views
I asked this question earlier and wasn't sure what the answer was. Find all numbers for which the rational expression is
1. 4 answers
2. asked by Noah
3. 589 views
how do you find the reference angle of csc,sec, cot?for example: csc theta= 2 times square root of 3 / 2
1. 1 answer
2. asked by dave
3. 573 views
Can you please help me understand this quote in more simpler terms:"Grandmother was rich and I won't go into this. She was a
1. 5 answers
2. asked by Help Needer
3. 570 views
i hope you feel better.i have 3 more to do in the following situations write sentences to explain how you feel. 1. tienas una
1. 4 answers
2. asked by sam
3. 569 views
Andy is not a very good navigator. When he enters a small town, the probability that he gets lost and cannot find the correct
1. 1 answer
2. asked by Anonymous
3. 561 views
You would like to begin (or increase) your savings for retirement. What types of retirement plans (401ks, IRAs, etc.) might be
1. 2 answers
2. asked by Myself
3. 545 views
hey guyz, i've got this true/false question about trademark's amortization under U.S GAAP :Begining with 2002, U.S financial
1. 0 answers
2. asked by Sarah
3. 542 views
Wich if the given numbers are composite?15,19,23,31,49,55,59,87,91,97,103,105
1. 1 answer
2. asked by Sue
3. 541 views
if a 60-kg woman is riding in a car traveling at 90 km/h is her linear momentum relitive to (a) the ground or (b)the car
1. 1 answer
2. asked by melissa
3. 536 views
Hope you are feeling better!use correct form of ser or estar aqui______1_____ nosotros Luquillo. Este lugar
1. 1 answer
2. asked by sam
3. 533 views
Calculate the entropy change of the universe (in J/K) when 12.2 g of chlorine are melted in a laboratory at 24.8 oC. Report your
1. 0 answers
2. asked by Jayme
3. 533 views
Sorry I have one other question that i'm unsure about. for the solution process of A (s)----> A (aq) the teacher demonstrates
1. 2 answers
2. asked by Jake
3. 532 views
what is the correct way to use the IUPAC naming system?!!!
1. 3 answers
2. asked by Dawn
3. 527 views
can the energy originally stored in gasoline be traced to rotating wheels?
1. 1 answer
2. asked by Jonny
3. 519 views
I need help, please, with the following question:Match the following groups sccording to their priority (lowest group = 4 &
1. 1 answer
2. asked by Dawn
3. 518 views
How do I find the bad debt expense percent when all the info I have is sales, credit sales, collections on accounts receivable,
1. 1 answer
2. asked by Brittany
3. 498 views
A can with 40 marbles in it weighted 135 grams. The same can with 20 marbles weighed 75 grams. How much is the weight of the
1. 2 answers
2. asked by Valeria
3. 496 views
Dr. Mento has a class of 80 students. For a group project, he wants to divide the students into groups of 6,8 or 10. Is this
1. 2 answers
2. asked by Sue
3. 494 views

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