Questions Asked on
February 28, 2010

biology
What structure is produced when spindle fibers radiate from centrioles? Can you help please?
asked by Marie 
Chemistry
How many moles of oxygen will occupy a volume of 2.5 liters at 1.2 atm and 25 degrees celcius
asked by Cecilia 
Chemistry
Calculate the volume of EDTA stoichiometrically equivalent to 1.0 mg of CaCO3.'
asked by Anonymous 
Chemistry
A 15.00 ml sample of a standard solution containing 1 g of CaCO3/L required 8.45 ml of EDTA to fully complex the Ca present. Calculate the volume of EDTA stoichiometrically equivalent to 1.0 mg of CaCO3.' Sorry, forgot to write the entire question.
asked by Anonymous 
macroeconomic
Which of the following items contribute(s) to an increase in real GDP? (i) The cost of cleanup after a hurricane hits Florida (ii) The market value of burglar alarms purchased to reduce crime (iii) The additional health care costs associated with smoking
asked by Anonymous 
College Physics
When I graphically find a vector sum and then analytically solve for the resultant, I am getting two completely different answers. Why might this be?
asked by Anonymous 
College Physics
What would be the direction of an angle at 50 degrees, 150 degrees and 295 degrees on the scale around the INSIDE of a force table?
asked by Anonymous 
Geometry
How do you indicate congruent segments in a diagram?
asked by Anonymous 
Geometry
How do you indicate congruent angles in a diagram?
asked by Anonymous 
science
linear expansion
asked by jaswinder 
science
what is linear expansion
asked by jaswinder 
maths
what is 8% p.a on $11000 over 3 years compounding anually
asked by james 
5th grade math
relationship between the total ounces of water collected,w, and the number of 4ounce samples,s
asked by Alan Burt 
English
Thank you very much for your last corrections! Can you check the grammar in the following sentences, please? 1) Antony uses his rhetoric to persuade people to mutiny against Brutus. 2) History was seen as a sort of moral teacher, where the Elizabethans
asked by Franco 
chemistry
The reaction A to products is first order in A. 1.) If 2.00 g A is allowed to decompose for 42 min, the mass of A remaining undecomposed is found to be 0.50 g. What is the halflife, t_{1/2}, of this reaction? 2.)Starting with 2.00 g A, what is the mass of
asked by joe 
chemistry
The reaction A + B to C + D is second order in A and zero order in B. The value of k is 1.10×10−2 M^{1}\;min^{1}. What is the rate of this reaction when A}]=0.124 M and B}]=3.89 M?
asked by joe 
chemistry
For the reaction A to products}, the following data were obtained: t=0 s, A}]=0.715 M; 22 s, 0.605 M; 74 s, 0.345 M; 132 s, 0.055 M. What is the halflife of the reaction?
asked by joe 
English
I forgot to include the following statements. 1) Use the simple past when reporting historical events and the simple present when referring to the main events in a plot. 2) The fact that Hamlet refers to himself using adjectives such as dullo
asked by Franco 
English
I have to find five poetic devices in this poem. Can you please help me? Weekend Glory Some clichty folks don't know the facts, posin' and preenin' and puttin' on acts, stretchin' their backs. They move into condos up over the ranks, pawn their souls to
asked by Gaveen 
Physics
How does the capacitance of a parallel plate capacitor change when its plates are moved to twice their initial distance and a slab of material with dielectric constant К = 2 is placed between the plates to replace air? I think that the capacitance would
asked by Sandra 
Physics
I'm really unsure of how to approach this question... Polystyrene has a very low dielectric constant compared to most other solid materials. Therefore, we predict for a polystyrene slab pushed between the plates of a parallel plate capacitor: a. that the
asked by Sandra 
Manageral accounting
Cost Allocation prepare responses to the following questions in a Word document: • As financial managers, it is important that you identify and allocate costs appropriately. Discuss the major cost categories. What are some of the methods used to
asked by Lynnette 
physics
an athlete has a large lung capacity of 7.0L. Assuming to be an ideal gas how many molecules of air are in the athletes lungs when the air temperature in the lungs is 37 degrees celcius under normal atmospheric pressure.
asked by Standard C. 
physics
A 275 kg load is lifted 24.0 m vertically with an acceleration a=0.120 g by a single cable. Determine the tension in the cable.
asked by Anonymous 
phyics
on a warm day(92 degrees F) an air filled balloon occupies a volume of .20m^3 and is under a pressure of 20.0 lbs/in^2. if the baloon is cooled to 32 degrees F in a refigerator while its pressure is reduced to 14.7 lb/in wat is the volume on the air in the
asked by Standard C. 
Geography
please could someone help me answer these questions ...? globalisation brings many problems describe all the benefits in all the different stages of production and countries. globalisation brings many benefits describe all the benefits in all the different
asked by VIKKI 
Calculus
A system of equations is given by: F1(x,y,a,b) = x² + bxy + y²  a – 2 = 0 F2(x,y,a,b) = x² + y ²  b² + 2a + 3 = 0 Where x and y are endogenous variables while a and b are exogenous variables. Compute the differentials δx/δb and δy/δa at the
asked by Salman 
history
the American {third world counter offensive" from 19791989 did this policy improve the security and reputation of the United States?
asked by nozipho 
Calculus
Find the partial derivative y with respect to s for the following function: y=[((x1)^2)+(x1)(x2)+((x2)^2)]/((x1)+(x2)) where x1=s+2 and x2=s^2+t^2+t . x1 means x subscript 1 x2 means x subscript 2
asked by Salman 
To jhon, jackie, jill, sandra, mariam or whoever
Your posts have been removed. Once you write up YOUR THOUGHTS, please repost, and someone here may be able to help.
asked by Writeacher 
buissiness
i need help with why is Subway franchise a good investment? and the reasons have to be simple in bullet points PLZ i would appreciate ur help :)
asked by Navroz 
physics
How much work must be done to stop a 1200 kg car traveling at 135 km/h?
asked by Anonymous 
math
A right rectangle and a right triangle prism have the same height. If the lenght of the side of the rectangle base is twice the width, explain how to determine the area of the triangular base in terms of the rectangle base length.
asked by Donna 
MEDICAL TERMIONOLOGY
COULD ANYONE LET ME KNOW HOW TO COMPLETE APPENDIX E FOR HCA/220. I HAVE TO DEFINE THE WORDS I PART B AND C.
asked by tinkiewinkie 
physical
What is pressure point?
asked by Justin 
English
I Have No Idea What To Put For My Conclusion Of My Frankenstein Essay.... The Question For It Is Describe the significance of chapter five to the novel as a whole. Focus on the relevance and effect of the writer’s use of language to describe setting,
asked by Nicole:) 
math
How can I construct a stem and leaf plot with the midterm test scores of the seventhperiod typing class with the list below? 77, 93, 91, 74, 65, 68,97, 88,59,74, 83, 85, 72, 63, 79
asked by Donna 
Chemistry
What is the boiling point of heaxane?
asked by Abigail 
college physics
A 1300 kg car rolling on a horizontal surface has speed v = 65 km/h when it strikes a horizontal coiled spring and is brought to rest in a distance of 2.9 m. What is the spring stiffness constant of the spring?
asked by Anonymous 
PreCal
1) verify the identity sec^2 (pi/2  x) 1 = cot^2 x I think that we can replace sec with csc for the cofunction formulas since there is pi/2. Since there is squared and a 1 I think we could use one of the pythagorean identites but I am not sure which one.
asked by Hannah 
math
(3n^4)^4 = 3d^3 x d^9 = 5e^4 x 6e^5 = thanks
asked by david 
chemistry
What is the freezing point of a solution of 5grams of CaCO3 and 10ml of H20?
asked by caren 
math
When a lady faints, what number do you need to bring her?
asked by bob 
Physics
Thank you for answering my previous questions! I have another one now in regards to the following question... An unknown potential difference exists between the inner and outer surfaces of the membrane of a cell. The inner surface is negative relative to
asked by Sandra 
BIOLOGY
1) What phase are daughter cells in as a result of mitosis? answer: Anaphase 2)During what phase of mitosis do centromeres divide and the chromosomes move toward of their respective poles? answer: prophase 3)Which phase of mitosis is the last phase that
asked by Marie 
9th grade
the apothem of a square candle is 5cm,the side length is 10cm,the height is 9cm, what is its volume ?
asked by lucy 
science
is aluminum MIXED with or COMBINED with other elements?
asked by Happy Face 
207 Business ethics
I need help with propose new hiring practices for the company to follow. In your proposal address the legal and ethical issues involved in discrimination and affirmativew action policies
asked by Maria 
maths9th grade
ahexagon have the apothem of 6cm,the side length of6.93,and the height of 12cm. what is the volume?
asked by lucy 
english/ Idoms
I need meaning of idoms . Do you know any web?
asked by Sam 
math
for ax^2 + bx + c with gradient 4x + 2 and a stationary value of 1 find a b and c and nature of point i think that its a minima and that its 2x^2 + 2x +2 but im not sure can someone check this please
asked by libby 
math
I'm not sure how to divide rational expressions: ((1/x+1)+(1/x+2))/((1/x+2)+(1/(x+3)) I got ((2x+3)(x^2+5x+6)/(2x+5)(x^2+3x+2) but it was wrong? Please help!
asked by Karissa 
Math(Please check)
1) Use the cofunction identites to evaluate the expression without the aid of a calculator. cos^2 18 degrees + cos^2 72 degrees.
asked by Abby 
Math(Please check)
1) Use the cofunction identites to evaluate the expression without the aid of a calculator. cos^2 18 degrees + cos^2 72 degrees. Would I use the forumula cos(pi/2  Q) = sin Q
asked by Abby 
Earth Science(Please check)
Around what tectonic plate are most of the worlds volcanoes located. The Pacific plate. Is this correct?
asked by Janet 
biology
1) What phase are daughter cells in as a result of mitosis? answer: Anaphase 2)During what phase of mitosis do centromeres divide and the chromosomes move toward of their respective poles? answer: prophase 3)Which phase of mitosis is the last phase that
asked by marie 
SCIENCE
is aluminum MIXED with or COMBINED with other elements?
asked by Happy Face 
SCIENCE
should i say: red in color OR reddish in color
asked by Happy Face 
English
What is the independent and dependent cluase of this sentence: "One of our most experienced trainers drowned in an incident with one of the killer whales," he said.
asked by ineedhelp 
5th grade
An empty trailer has a mass of 850 kg. When the trailer carries a load, its mass is 1.4 t. What is the mass of the load?
asked by PEYTON 
Physics
How does the conservation of mechanical energy explain why a planet in an elliptical or!@#$%^&anges speed?
asked by Anonymous 
physics
A 22.1 kg child descends a slide 3.4 m high and reaches the bottom with a speed of 2.4 m/s. How much thermal energy due to friction was generated in this process? I'm sure where to even start this problem
asked by Anonymous 
math
4x^2/[(1.5x)(2.02x)^2] = = 2.72 x 10^11 solve for x
asked by josh 
PreCal
verify the identity sin x(1  2 cos^2 x + cos^4 x) = sin^5 x 12cos^2 x looks like 2cos^2x1 its just backwards. I am not sure where to start.
asked by Hannah 
Chemistry
HI, we conducted a qualitative analysis, to identify the cations in an unknown sollution..trying to determine whether it had Al 3+, Fe (3), and Lead ions..i am having trouble understanding some parts of the procedure. before testing for aluminum and iron,
asked by Joe 
biology
1) What phase are daughter cells in as a result of mitosis? answer: Anaphase 2)During what phase of mitosis do centromeres divide and the chromosomes move toward of their respective poles? answer: prophase 3)Which phase of mitosis is the last phase that
asked by marie 
maths PLEASE HELP
write x^211/5 log(2 x1)+11/5 log(x2)+ c as a single log im not sure how to change the brackets
asked by josh 
Calculus
Find f '(a). f(x) = (x^2+1)/(x6)
asked by Naina 
math
The wheel on a child's bicycle is 48 cm in diameter. To test the strength of the tire, William lifts the back wheel 1 m from the ground and spins it at 36 turns/min. He attached a blue sticker to the bottom of the tire beforehand. Assuming that William
asked by Nadia 
chemistry
Calculate the boiling point elevation of a solution containing 22.8 g of glucose (C6H12O6) dissolved in 672.0 g of water. Calculate the freezing point depression for the same solution.
asked by mandy 
chemistry
Calculate the boiling point elevation of a solution containing 22.8 g of glucose (C6H12O6) dissolved in 672.0 g of water. Calculate the freezing point depression for the same solution.
asked by mandy 
Chemistry
If the initial concentration of is 0.250 , and the reaction mixture initially contains no products, what are the concentrations of and after 80 ?
asked by Anonymous 
Psychology
Describe the major underlying assumptions of a biopsychological approach.
asked by Doris I 
calc plzzzz help
This limit represents the derivative of some function f at some number a. Select an appropriate f and a. lim_(h>0) (root4(256+h)4)/h 1 f(x) = x^4, a = 4 f(x) = x^1/4, a = 4 f(x) = x^1/4, a = 256 f(x) = √x, a = 256 f(x) = √x, a = 16
asked by Naina 
algebra
I am still confused. y4/y+2 = 1/6
asked by Terri 
Spanish
Can someone please proofread my spanish project? Hi I'm a second year spanish student and we just learned about past and imperfect tenses. I'm having a little trouble since my teacher refuses to look over projects and would greatly appreciate any feedback.
asked by Courtney 
English
What is the prepostional phrase and indicate if it is adj or adv? 1) Mrs. Ruggiero loves to show pictures of her 5 grandchildren.
asked by Yukito 
Earth Science
Around what tectonic plate are most of the worlds volcanoes located. The Pacific plate. Is this correct?
asked by Janet 
math
Determine m given that m>0 and the points (m,3) and (1,m) lie on a line with slope m.
asked by Ryan! 
math
The ratio of w to x is 4:3, of y to z is 3:2, and of z to x is 1:6. What is the ratio of w to y?
asked by Ryan! 
math
the radii of three concentric circles shown are in the ratio 1:2:3. What is the probability that random shot that hits the target will hit inside the second circle but inside the innermost circle?
asked by Ryan! 
probability
A bag contains 3 red chips, 2 blue chips, and 1 white chip. If 2 chips are chosen from the bag (without replaceent), determine the probability that they are of different colors.
asked by Ryan! 
science
frogs have ears on the side of their head.what can they hear in the water?
asked by Lilymay 
history
how did the factors of population,economics,disease and climate shape the basic social conditions and ways of life in both the south and new england?
asked by krys 
economics
Best Answer  Chosen by Voters Simply put, the higher the CR the more monopolistic an industry is (or in this case oligopolistic). The 4 firm concentration ratio is usually the standard measure of this. In the example w/ 30% CR you can assume there are
asked by aiu online 
college
i need to know how to compose an essay
asked by english 
Chem follow up question
Sorry i posted this as an answer after my question had been answered, this is continued from the qualitative analysis question: That reallly cleared some things up, but I do still have a few questions. Umm im not completely clear on the hyrogen peroxide
asked by Joe 
college physics
A 22.1 kg child descends a slide 3.4 m high and reaches the bottom with a speed of 2.4 m/s. How much thermal energy due to friction was generated in this process? I'm not sure where to even start this problem. Please help.
asked by Anonymous 
english
please could someone tell whether the film miss congeniality was a book. If not can you think of a film that was a book, which had a character similar to gracie hart either as the fbi agent or as miss new jersey. many thanks
asked by tarra 
science
how do we know a song thrush must have ears???
asked by Lilymay 
physics
How long will it take a 230 W motor to lift a 335 kg piano to a sixthstory window 19.0 m above?
asked by peyli 
chemistry
A student placed 19.0g of glucose (c6h12o6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100ml. mark on the neck of the flask was reached. The flask was then shaken until
asked by Heather 
Biology/help please
1) What phase are daughter cells in as a result of mitosis? answer: Anaphase 2)During what phase of mitosis do centromeres divide and the chromosomes move toward of their respective poles? answer: prophase 3)Which phase of mitosis is the last phase that
asked by marie 
science
1.b) If this were a race, with the finish line at the staring line, what was his net displacement? This is a vector question since net displacement is a vector. Hence, was his net average velocity (which is a vector) zero over the duration of the race?
asked by Heather 
Math
An electric train moves in a northerly direction at 100 km an hour. The wind blow in an easterly direction at 50 km per hour. In which direction does the smoke go?
asked by Mulalo 
chemistry
How long will it take for 25% of the C14 atoms in a sample of C14 to decay? The halflife for the radioactive decay of C14 is 5730 years. If a sample of C14 initially contains 1.1 mmol of C14 , how many millimoles will be left after 2275 years?
asked by Anonymous 
calculus
The limit represents the derivative of some function f at some number a. Select an appropriate f(t) and a. lim_(t>1)(t^3+t2)/(t1) 1f(t) = t^3, a = 1 f(t) = t^3 + t, a = 1 f(t) = t  2, a = 1 f(t) = t  2, a = 1 f(t) = t^3 + t, a = 1 f(t) = t^3, a = 1
asked by isha 
Earth Science
How much more energy is released in a 5.0 magnitude earthquake than a 4.0 magnitude earthquake? I know that a tenfold increase in wave amplitude equals an increase of 1 on the scale so 1 to 2 = 10times so does that mean that 2 to 3 would be 10 more times?
asked by Janet 
Math
A flock of geese is flying while another goose is flying past it. The goose asks the leader of the flock how many they are. The leader answers: "Us, plus us, plus half of us, plus a quarter of us, plus myself make the flock 100 geese. How many are we?
asked by Mulalo 
English
In the novel Ceremony by Leslie Marmon Silko: Was Pinkie dependable?
asked by Natalie 
help
1} Which of the items below is NOT a subcategory of change effected through similitude? a}emotional b}degeneration c}operational d}symbolic help plz...
asked by callie 
english
what is autism? autism is a developmental disablity that affects a person's way of communicating with others, their social interaction, and educational performance. how i put this in diff words?
asked by Anonymous 
physics
A toy car with a mass of 120 g moves to the right with a speed of 0.56 m/s. A small child drops a 25.0g piece of clay onto the car. The clay sticks to the car and the car continues to the right. What is the change in speed of the car? Consider the
asked by Angie 
physics
If a particle of mass 5.7 kg is moving east at 10 m/s and a particle of mass 19 kg is moving west at 10 m/s, what is the velocity of the center of mass of the pair? Give answer is m/s to the west. I tired to use: Vcm = mv/M. I plugged in (5.7)(10) +
asked by Angie 
english
do people with autism look different from others or do they look normal like other normal people?
asked by Anonymous 
Science
If my project is about a lie detecting project waht would be my independent, dependent, and controlled variable?
asked by Lily 
math
6 6 6 6 = 5 fill in the expressions to make this equation true
asked by katie 
English
Im working on prepostional phrases and need help with these problems: What is the prep. or prep. phrase and indicate whether it is an adj. or an adv? 1. An aid car raced through 3 red lights. 2. Latecomers may enter the theater only between acts.
asked by Sakura 
english
i think that autistic people view this world better than ordinary ones. i think that they typically tend to see the world as one; everyone all linked together. is it true that they tend to see the world as one?
asked by Anonymous 
chemistry
1.Use the Vsepr theory to predict and explain the shape and bond angle of each of the molecules SCI2 and C2CL2. 2.Deduce whether or not each molecule is polar, giving a reason for your answer...Any help please??
asked by Richard 
biology can someone check
1) What phase are daughter cells in as a result of mitosis? answer: Anaphase 2)During what phase of mitosis do centromeres divide and the chromosomes move toward of their respective poles? answer: prophase 3)Which phase of mitosis is the last phase that
asked by marie 
math
Tom is a habitual shopper at garage sales. Last Saturday he stopped at one where there were several types of used building materials for sale. At the low prices being asked, Tom knew he could resell the items in another town for a gain. Four things stood
asked by Anusha 
english
All their focus appears to go towards somewhat way beyond imagination. atutistic peoplemake sense?
asked by Anonymous 
Earth Science(Please help)
How much more energy is released in a 5.0 magnitude earthquake than a 4.0 magnitude earthquake? I know that a tenfold increase in wave amplitude equals an increase of 1 on the scale so 1 to 2 = 10times so does that mean that 2 to 3 would be 10 more times?
asked by Janet 
precalculus
The question is...find the radian measure of the central angle of a circle of radius r that intercepts an arc of length s. Then it gives the radius r of 27 inches and an arc length s of 6 inches. How do I do that?
asked by Megan 
calculus
You are given the following function. f(x)= (8+x)/(18x) (a) Find the derivative of the function using the definition of derivative. (b) Give the domain of the function. c) Give the domain of derivative of function?
asked by isha 
Physics
We compare a silicon chip to a nerve membrane, with silicon having (about) twice the dielectric constant of the nerve membrane. Which of the following statements is true? A) 1cm^2 silicon chip has a higher capacitance than 1cm^2 nerve membrane. B) 1cm^2
asked by Jane 
biology /check please
1What phase are daughter cells in as a result of mitosis? Anaphase 2 During what phase of mitosis do centromeres divide and the chromosonemes move toward their respective poles? prophase 3 Wchich phase of mitosis is the last phase that chromatids are
asked by marie 
Trig
What is the exact value of cot(4pi/3)? Do not use a calculator.
asked by Lori 
physics
Having trouble with this one: A capacitor having a capacitance of 10uF is charged by 100v battery. A.)Calculate the charge on the capacitor? B.)calculate the energy stored in the capacitor? C.) the terminals of the capacitor is now disconnected from the
asked by morgan 
physics
A charge of 1.5uC is placed at the origin, and a charge of 3uC is placed at x = 1.5m. Locate the point between the two charges where the electric field is zero? Q1 P Q2 x*. 0
asked by morgan 
geography
A skull is to rowing as a what is to yachting
asked by jake 
math
what is a like fraction? greatest common factor? unlike fractions?
asked by maggie 
geography
a mountain is to a ski jumper as a what is to a diver
asked by jake 
geography
swimming is to butterfly as what is to dressage
asked by jake 
geography
cross country is to a skier as a what is to a runner
asked by jake 
Math
Solve the system of linear equations by elimination. Thank You for your help. 8x+10y=3 3x5y=2
asked by Katie 
History
why were the munich olympic games viewed as being of particular importance world politics, national relations, and reconciliation with the Jewish people? I think the Holocaust occured before that and Germany wanted to prove that they were moving forward
asked by Lena 
chemistry
How many moles of a gas are in a container with a volume of 155 milliliters at a temperature of 35 degree celcus and a pressure of 1.1 atmoshheres? Please provide steps to get answer
asked by Tim 
chemistry
when 50.0 ml of 2.00M KOH is reached with 50.0 ml of 2.00M HCl, the temperature rose from 20.0 degree celcus to 28.7 degree celcus. What is the heat generated by this neutralization? (Assume that the density fo the two 2 M solution is 2.00g/ml and that the
asked by Tim 
college
how to I figure how much copper is in 2.154 gram of copper sulfide?
asked by Donna 
Physics
Three blocks of masses 1.0, 2.0, and 4.0 kilograms are connected by massless strings, one of which passes over a frictionless pulley of negligible mass, as shown above. Calculate each of the following. a. The acceleration of the 4 kilogram block b. The
asked by Kate 
math
Give the equation of a line perpendicular to the line y = 8x + 8 having the yintercept 2 units below the yintercept of the given equation. At what point the two equations cross each other?
asked by Jillian 
chemistry
If 4.57 grams of AgBr was isolated in a gravimetric analysis of a 9.30 gram sample, what is the % Br by weight in the samples? please provide steps to get to answer
asked by Tim 
calculus
Differentiate the following function. (7x5)(3x+9)
asked by isha 
chemistry
A balloon has a volume of 2.75 liters at 25 degree celcus. What would the balloons volume be if the temperature is raised to 95 degree celcus and the pressure remains constant? please provide steps to get to answer
asked by Tim 
CHEMISRTY
HOW MANY GRAMS OF MAGNESIUM ARE REQUIRED TO PRODUCE 2.154 GRAMS OF PRODUCT? STEP BY STEP EXPLAINATION
asked by Donna 
Chemistry
What is the maximum mass of product that can be formed when 76.0 g of solid zinc and 17.5 g nitrogen gas react?
asked by Tiffany 
History
What had occurred 40 years prior to the Munich Olympics which made the games so important? The only things I got are the Holocaust, the separation of Israel and Palestine and WW2. Is there anything else that was major?
asked by Lena 
calculus
why is lim of tanx as x approaches to (pie/2)+ is negative infinity. Shouldnt it be positive infinity since pie/2 is approaching on the right
asked by eng 
calculus plzz help!!!
Differentiate the following function. ((8x^1/2)+(9/2x^1/3))^2
asked by isha 
Math
Carmen can type 18 words in 27 seconds. How many words can she type in 60 seconds?
asked by Callie 
math214
In right triangle ABC, point O is the in center; CX 2”; AC 8”; AB 10; Find y.
asked by alicia 
science
what does monitoring information indicate about trends in amount of atmospheric carbon dioxide?
asked by allan 
Earth Science(Please help)
1) How much more energy is released in a 5.0 magnitude earthquake than a 4.0 magnitude earthquake. I know that each unit of Richter magnitude equates to roughly a 32fold energy increase and that the amplitude has a tenfold increase but I am still confused
asked by Janet 
chemistry
The reaction A + B to C + D is second order in A and zero order in B. The value of k is 1.10×10−2 M^{1}\;min^{1}. What is the rate of this reaction when A}]=0.124 M and B}]=3.89 M?
asked by joe 
chemistry
For the reaction A to products}, the following data were obtained: t=0 s, A}]=0.715 M; 22 s, 0.605 M; 74 s, 0.345 M; 132 s, 0.055 M. What is the halflife of the reaction?
asked by joe 
college
how to figure out how many grams of magnesium are required to produce 2.154grams of product?
asked by Donna 
algebra
Help! g/r+g  g/rg
asked by Jerry 
algebra
25f/2f10 + 5f/10f50
asked by Terri 
college
how many grams of magnesium are required to produce 2.154 g of magnesium nitride?
asked by Donna 
english
just wonderinis there any sites on interent where i can find data bout autism 2010. i cant find anything anywhere
asked by Anonymous 
chem.
Silver(I) nitrate and sodium sulfate react to form silver(I) sulfate and sodium nitrate. Suppose 43.5 mL of 0.040 M silver(I) nitrate solution and 26.58 mL of 0.10 M sodium sulfate solution are mixed. What is the maximum number of grams of silver(I)
asked by Tiffany 
Chemistry
CS2(g) + O2(g) CO2(g) + SO2(g) (a) Consider the unbalanced equation above. What is the maximum mass of SO2 that can be produced when 46.0 g of CS2 and 29.0 g O2 react? (b) Assume the reaction in part (a) goes to completion. Calculate the mass of excess
asked by Tiffany 
French
How would I pronounce seven thousand in French?
asked by Kel 
algebra
Solve the following equation: k2 + 4k = 0 By factoring and By using the quadratic formula Can someone please help me to understand how to this problem...I do not understand the steps to get the correct answer. Thanks!!!
asked by lena 
calculus
find derivative of (8sqrt(x)+(9/2root3(x)))^2
asked by isha 
Ethics
I have a paper started for my ethics class, but I am not sure if it fits the "criteria" or not. I am supposed to write about an ethic group to which I belong. I decided to do White women. But then I am supposed to have how the group colonized or immigrated
asked by stephanie 
algebra
Evaluate and tabulate the values of y for the given values of x. Tabulate your answer in the form of ordered pairs (x, y). y = 2x, for x = 2, 1, 0, 1, 2
asked by heidi 
English
Thank you for your last corrections. Can you check the grammar in the following sentences, please? 1) A: "What would you like to drink?" B: "I'll have a coke, please". A: "What about you?" (and not "And for you?")C: I'd like an orange juice. 2) The Celts
asked by Franco 
history
What place did the Israeli Olympic Team visit in the days prior to the hostage taking? I'm thinking it was a memorial of a concentration camp. I'm not too sure.
asked by Lena 
Physics
h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 7 3 9 3 5 9 3 ok heres the problem in a picture h t t p : / / i m g 1 9 2 . i m a g e s h a c k . u s / i m g 1 9 2 / 4 5 0 0 / c a p t u r e x x w . j p g ok I called the 4 kg
asked by Kate 
science
what way is bacteria and fungi important to the environment?
asked by melissaq 
physics
A toaster uses a Nichrome heating wire. When the toaster is turned on at 20°C, the initial current is 1.50 A. A few seconds later, the toaster warms up and the current has a value of 1.20 A. The average temperature coefficient of resistivity for Nichrome
asked by Anonymous 
chemistry
Write Skeleton equations for these reactions. A) Heating Copper(II) sulfide in the Presence of diatomic oxygen produces pure copper and sulfur dioxide gas. B)When heated, baking soda (Sodium hydrogen carbonate) decomposes to form the products sodium
asked by Jack 
Chemistry
Write and balance equations for the following reactions. A)Iron metal and Chlorine gas react to form solid iron(III) chloride. B)Solid aluminum carbonate decomposes to form solid aluminum oxide and carbon dioxide gas. C)Solid magnesium reacts with aqueous
asked by Jack 
Chemistry
im not quite sure what to do with this problem... the info I have: balanced equation= (CuCl2*2H20)=>CuCl2+2H2O initial mass of copper compound: 0.94g Q: use stiochiometry to find the theoretical yield for the mass of copper (II) chloride we also used
asked by Sophie 
Math
Logan changed bank account and now receives 1% more in interest than he used to. Write an expression?
asked by PAVLEEN 
Edit plz!
Communication skills happen to be one of the most important skills required in business. Because with this skills, I can explain my ideas, opinions, and also get feedbacks.
asked by Thara! 
Physics
A rocket is launched straight up with constant acceleration. Four seconds after liftoff, a bolt falls off the side of the rocket. The bolt hits the ground 6.50 s later.
asked by Dacia 
Skill!
can u give me lists of skills required in busnisses! i got communication skills, teamwork skills, and i happen to need atleast 3 more...
asked by Thara! 
MathExponential Functions
Suppose an investment of $500 doubles in value every 15 years. How much is the investment worth after 30 years? After 45 years? please help!!! i don't even understand how to approach this problem! =(
asked by Kate 
MATH
3x=2y=4and 2y= ____________________________
asked by PAVLEEN 
physics
Consider two small circular current loops. Suppose one loop is placed above the other (but not touching), with their areas oriented similarly. Do the loops repel, attract or have no effect when the currents are in the same direction? In the opposite
asked by Sandhya 
English
I forgot to include the following statements. Thank you a lot for your help. 1)Brutus fears what Caesar would become if he were elected king. 2) Brutus tries to convince the mob hat he was right in killing Caesar. 3)Political power is compared to an
asked by Franco 
Algebra 1B
I really need help with this but I'm not sure if I'm going to put it in the correct form. The problem says to multiply and simplify by factoring. Assume that all expressions under radicals represents nonnegative numbers. Simplify your answers. Type in
asked by LeAnn/Emergency 
MATH
4a+6=2a+12
asked by PAVLEEN 
MATH
2t13t+4
asked by PAVLEEN 
math
what is square roots
asked by PAVLEEN 
English
Just have to write an essay and i was wondering if i can get any help to start writing my essay on who changed Siddhartha the most and why? Thank You(:
asked by Jade Knight. 
English
Just have to write an essay and i was wondering if i can get any help to start writing my essay on who changed Siddhartha the most and why? Thank You(:
asked by Jade Knight. 
Precalculus
How do you find cos(sin ^1 1.414/2)?
asked by Shanie 
algebra
a. The sales representative here tells you they also have two floor plans available, but they only have 38 homes still for sale. Write an equation that illustrates the situation. Use x and y to denote floor plan one and floor plan two respectively
asked by Anonymous 
English
You forgot to check the grammar in the following sentences yesterday. Thank you. 1) You referred to question number 4 when answering question number 1. Your paragraph is off the subject (or you wandered off the subject?) 2) Express yourself in your own
asked by Franco 
math
2t13t+4
asked by PAVLEEN 
math
what is area
asked by PAVLEEN 
math
what is a surfex angle
asked by PAVLEEN 
heathcare
what was champva year of establishment??
asked by jennifer 
social studies
what is the purpose of the george washington cabeniet
asked by PAVLEEN 
Edit plz!
can u edit this small paragraph plz? thnx! Have you ever thought of your goals and skills that you would like to improve. There are 3 skills that I want to improve this semester. They are communication, problem solving, and timemanagement. Communication
asked by Thara! 
Science
1) How much more energy is released in a 5.0 magnitude earthquake than a 4.0 magnitude earthquake. I know that each unit of Richter magnitude equates to roughly a 32fold energy increase and that the amplitude has a tenfold increase but I am still confused
asked by Janet 
English
Just have to write an essay and i was wondering if i can get any help to start writing my essay on who changed Siddhartha the most and why? Thank You(:
asked by Jade Knight. 
ap us history
the questionsa are about the Truman Doctrine 1)To what extent were we able to carry out our foreign policy aims? 2)To what extent do recent events in the former Soviet Union suggest that the US may have operated under false assumptions in the years
asked by Ashlyn 
english
i need help on finding the meaning of this quote "With the realization of one's own potential and self confidencne in one's ability, one can bulid a better world" thanks
asked by Boo 
English
Just have to write an essay and i was wondering if i can get any help to start writing my essay on who changed Siddhartha the most and why? Thank You(:
asked by Jade Knight. 
chemistry
how much heat will be released if 30 grams of octane is burned in excess oxygen?
asked by lisa 
PreCal
1) Fill in the blanks As x > pi^2, sin x > ? and csc x > ? I do not understand this!
asked by Abby 
bus!
why is patience important for business?
asked by Thara! 
PreCal
1) My last question was wrong. The question should read: Fill in the blanks As x > pi+, sin x > ? and csc x > ? I do not understand this!
asked by Abby 
chemistry
You have a sample of magnesium chloride. If there are 3.90 mol of Cl, how many moles of magnesium atoms are there?
asked by jacky 
Physics
Hi, The resistance of each resistor in a seriesparallel circuit was given and we measured the current and voltage across each resistor. Now, I have to find the theoretical values for I1, I2, etc. and V1, V2, V3, etc., using Kirchhoff's law and the known
asked by Sophia 
Math
4.905t^2 + 2.93t  10 = 0 I have to solve for t. How do I solve this equation step by step? Thanks.
asked by Ana 
Physics
At what distance from a carbon nucleus is the electric potential 1.8 V? Carbon atoms have 6 electrons in the atomic shell ...im very confused with this question, please help!
asked by Lauren 
Math
John's car is 13 feet long. He is making a model that is 1/12 of the actual size. Which proportion below should be used to find the length, L, of the model? A(wrong) 13/L = 1/12 B(correct) L/13 = 1/12 C(wrong) L/13 = 1/L D(wrong) 12/L = 13/1 I don't get
asked by Sarah 
Chemistry Stoichiometry
How many molecules of BrF2 form when 384g Br2 react with excess F2? equation: Br2 + 5F2 > 2BrF5 I really just need the guidelines to figure out the problem, i can figure out the rest from there. Please and thank you.
asked by Ana 
PreCal
Perform the addition or subtraction and use the fundamental identities to simplify. tan x  sec^2 x / tan x I do not know where to start.
asked by Hannah 
Chembuffers
Explain why a mixture formed by mixing 100 mL of 0.100M CH3COOH and 50 mL of 0.100M NaOH will act as a buffer? in adittion to this, how do you identify if a an aqueous solution is a buffer solution, such as a solution with an acid and a base, but no common
asked by Rav 
statistics
A medical statistician wanted to examine the relationship between the amount of sunshine (x) and incidence of skin cancer (y). As an experiment he found the number of skin cancers detected per 100,000 of population and the average daily sunshine in eight
asked by DeShondra 
Algebra 2
How would I solve the equation: log(base2)4  log(base2)(x+3) = log(base2)8 ? i think i have to start by doing 4/(x+3)=8
asked by Ana 
Physics
What is the fundamental frequency for tube resonating in water if the speed of sound was 343.5 and the tube was 0.274 m out of the water.
asked by Ash 
Chemistry
What mass of CO2 could be absorbed by 1.34 g of CaO?
asked by Tyler 
Geometry
You have found an old parchment that describes the location of buried treasure! It states: "On Triangle Island there are only two trees, A and B, and the remains of a gallows. Start at the gallows and count the steps required to walk in a straight line to
asked by Ashley 
Science
What are the similarities and differences of static and current electricity?
asked by Sarah 
chemistry
HCl + Zn > Predict the products and decide if it occurs. I have the activity series, but there's only H2 on there, not H.
asked by James 
Science(Urgent)
1) How much more energy is released in a 5.0 magnitude earthquake than a 4.0 magnitude earthquake. I know that each unit of Richter magnitude equates to roughly a 32fold energy increase and that the amplitude has a tenfold increase but I am still confused
asked by Janet 
Math
X/((.00025X)(.001x)) how do i solve for x?
asked by Seo 
chemistry
calculate the number of liters of liquid ethanol (density = 0.789g/ml) required to obtain a sample containing 1.00*10^25 C2H5OH molecules
asked by stephen 
Math
A submarine was cruising at a depth of 153 m. It then rose at 4.5 m/min for 15 min. What was the submarine's depth at the end of this rise? If the submarine continues to rise at the same rate, how much longer will it take to reach the surface?
asked by Anonymous 
Bus210
write a 500750 word paper in apa format describing the structure, business model, and culture of a beauty salon, provide justificationfor why you selected each element and explain how your choice may effect your business?
asked by Mzmammadrama 
Physics
If you are standing on the edge of a canyon and yell into the canyon, how long will it take the echo to return to you if the opposite canyon wall is 1060.4 m away and the air temperature is 25.2 C?
asked by Ash 
Physics
A bat flying in a cave sends out a sound wave to navigate. If the cave temperature is 10.8 C, and the sound the bats sends out takes 0.0679 s to echo back, how far away is the cave wall
asked by Ash 
Accounting
I have almost completed my assignment, but am stuck on this question. I researched my text and other outside sources and can't seem to find the answer. Can anyone provide any guidance on this for me? What are the strengths and weaknesses of the various
asked by Jen 
Algebra 2
solve the equation: log(base2)^(x3)log(base2)^5 = 2log(base2)^10 I don't know how to solve it, can someone help me? Please and thank you.
asked by Ana 
Physics
h t t p : / / i m g 2 0 5 . i m a g e s h a c k . u s / i / c a p t u r e b b . j p g / i am stuck on part c how do i find work with out using the spring constant work equals force parallel times displacement at which the force is acted during... Work done
asked by Kate 
English
We are working on conjunctions. Rewrite this avoiding "also". If a pregnant mother smokes the child can be small. Also if the father smokes his spern can be abnormal. Also nonsmokers have little risk of getting lung cancer. If a pregnant mother smokes,
asked by Sara 
English
Should the sentence say her and i or she and me? Next season we are determined to earn at least one place between[she,her]and[I,me].
asked by Trowers 
Chemistry
What is the pH of a solution containing 0.10 M propanoic acid (HC3H5O2) and 0.10 M sodium propanoate after 0.02 mol of HCl is added to 1.0 L of the solution?
asked by Blake 
Chemistry
(x)/(.00125x)(.00000025x)=Kc How do I solve for x or Kc?
asked by Koo 
chemistry
For the reaction A to products}, the following data were obtained: t=0 s, A}]=0.715 M; 22 s, 0.605 M; 74 s, 0.345 M; 132 s, 0.055 M. What is the halflife of the reaction?
asked by joe 
physics
how long does it take a 19kW steam engine to do 6.8x10^7 J of work?
asked by yo 
English
Make two clear sentences out of these five, avoiding 'so' and 'then'. The burglar climbed hastily out of the window. The burglar was terrified he'd be caught. The burglar didn't notice the waterbutt. The burglar got stuck in the waterbutt. The burglar
asked by Sara 
Chemistry
How many molecules of BrF2 form when 384g Br2 react with excess F2? equation: Br2 + 5F2 > 2BrF5 I really just need the guidelines to figure out the problem, i can figure out the rest from there. Please and thank you.
asked by Ana 
chemistry
Give the percent yield when 15.9 g of CO2 are formed from the reaction of 4.000 moles of C8H18 with 4.000 moles of O2. 2 C8H18 + 25 O2 > 16 CO2 + 18 H2O
asked by candace 
Phy
98NT=10a T18.89N=3a I worked on the problem and I end up getting two equations but now I have to find T and a. For some reason, I cant solve it. Thanks
asked by Ana 
intro to lan technologies
• Explain how you would create the users for the sales organization unit and how you can set up work groups in this particular situation. Keep in mind that you may have to name certain applications and allowable tasks for each individual or job role.
asked by Anonymous 
English
1. I have as many books a Tom has. 2. I have as many books as Tom does. 3. I have as many books as Tom. 4. I have as many books as Tom has many books. (Which ones are correct?) 5. Tom has as much money as Bill. 6. Tom has half as much money as Bill. 7. Tom
asked by rfvv 
chemistry
What mass in g of NaCl is formed from the reaction of 54.0 mL of a 0.078 M AgC2H3O2 solution with 71.0 mL of 0.109 M MgCl2 solution? 2 AgC2H3O2 (aq) + MgCl2 (aq) > 2 AgCl (s) + Mg(C2H3O2)2 (aq)
asked by candace 
English
1. Don is as strong as Bill. 2. Don is much stronger than Bill. 3. Don is a little stronger than Bill. 4. Don is somewhat stronger than Bill. 5. Don is less strong than Bill. 6. Don is much the best strongest of the three. 7. Don is the very best strongest
asked by rfvv 
HRM/240
letter recommending to a company's board of directors that affirmative action policies be implemented Include points supporting the recommendation and clearly address points that may be used against this recommendation. The letter must also address how
asked by kay 
English
Expand these notes into fluent sentences. Vary the length and pattern of your sentences and avoid 'then' and 'so'. Try not to use 'and' more than once. girl went to night clubproud of new ringworth 500ring loose on her fingerring fell offnot noticed
asked by Sara 
Got It
problem solved
asked by Nevermind 
Chem
The hydrolysis of sucrose into glucose and fructose in acidic water has a rate constant of at 25 degrees C. Assuming the reaction is first order in sucrose, determine the mass of sucrose that is hydrolyzed when 2.60 L of a 0.150 M sucrose solution is
asked by Katherine 
Chem
Why are the phase diagrams different for water and CO2?
asked by Anonymous 
English
How do i balance this sentence? Is it already balanced? Tubman wanted freedom regardless of personal danger, whereas for her husband,john,personal safty was more important than freedom.
asked by Trowers 
Science  Optics
A lens has a magnification of +2.0 and if the focal length is +10 find the impage position and the object position. The type of lens is a diverging lens, but how do i find the di and the do if nothing else is given?
asked by Yasmin 
English
What is the coordinating conjunctions that can be used to combine two complete sentences with a comma ?
asked by Tina 
calculus
Find an equation of the tangent line to the curve at the given point. y= (9x)/(x+1)^2 P = (0,0)
asked by bebo 
3rd grade
what are elements of a literary ela ment chart
asked by jaynn 
Ethics(Proofread)
Can you please prrof reread this paper for me? As you seen before I had to write about different ethnic groups and discrimination. Please let me know what you think. Thanks! Jews in America Jews in the United States have faced prejudice, segregation, and
asked by stephanie 
English
Make two clear sentences out of these five, avoiding 'so' and 'then'. The burglar climbed hastily out of the window. The burglar was terrified he'd be caught. The burglar didn't notice the waterbutt. The burglar got stuck in the waterbutt. The burglar
asked by Sara 
algerbra
4x^2/[(1.5x)(2.02x)^2] = = 2.72 x 10^11 solve for x
asked by josh 
Physics  Repost
Homework Help Forum: Physics Posted by Sandra on Sunday, February 28, 2010 at 10:20am. Thank you for answering my previous questions! I have another one now in regards to the following question... An unknown potential difference exists between the inner
asked by Sandra 
English
* simple sim/ple The word is composed of two consonants. In the second syllable, there is no vowel. However, the second part is also a syllable. l is a syllabic consonant. What is syllabic consonant? Would you name the syllabic consonant? Thank you.
asked by rfvv 
English
Would doing a classification paper on skin types be to complicated?
asked by Trowers 
XACC 280 (accounting)
Does anyone have a completed Appendix E for Axia class XACC 280 Week 4 assignment  Preparing a financial statement worksheet? I am willing to pay for this if I can verify it was completed correctly.
asked by Bubba 
physics
A glass cleaner of mass 95 kg places a 22 kg ladder against the wall.The ladder is 10 m long and rests on a wet floor with a coefficient of static friction equal to 0.40. What is the maximum length that the window cleaner can climb before the ladder slips?
asked by Anonymous 
physics
A glass cleaner of mass 95 kg places a 22 kg ladder against the wall.The ladder is 10 m long and rests on a wet floor with a coefficient of static friction equal to 0.40. What is the maximum length that the window cleaner can climb before the ladder slips?
asked by Jatinder 
economics
Assume that a bottle of wine sells for $10. The government decides to put a $1 per bottle tax on wine. What will be the new price that consumers must pay for a bottle of wine?
asked by Anonymous 
college
TiO2(s) + H2(g) Ti(s) + H2O(g) (a) Consider the unbalanced equation above. What is the maximum mass of titanium that can be produced when 2.65 g of TiO2 and 3.40 g H2 react? = ?g Ti (b)Assume the reaction in part (a) goes to completion. Calculate the mass
asked by Megan 
chemistry
For the reaction A to products}, the following data were obtained: t=0 s, A}]=0.715 M; 22 s, 0.605 M; 74 s, 0.345 M; 132 s, 0.055 M. What is the halflife of the reaction? ive been posting this for awhile now...can someone just show me how to go about
asked by joe 
chemistry 106
The pressure of 6.0 L of an ideal gas in a flexible container is decreased to onehalf of its original pressure, and its absolute temperature is decreased to oneseventh of the original. What is the final volume of the gas?
asked by Tanisha 
Chemistry
A student heats 5.128g of the sodium carbonate/sodium bicarbonate mixture to a constant mass of 4.256g. Determine the mass of sodium bicarbonate present in the mixture.
asked by Anna 
Chemistry
How many molecules of BrF2 form when 384g Br2 react with excess F2? equation: Br2 + 5F2 > 2BrF5 I really just need the guidelines to figure out the problem, i can figure out the rest from there. Please and thank you.
asked by Ana 
duratioon
how to calculate duration of a balance sheet
asked by Saira 
healthcare
I am having a hard time with the presentations. I don't know how to be creative with them.
asked by brandi 
ALGEBRA
Examine the following equation: [z = 100 / (5t)]. What does “z” equal when: t = 2? t = 5? t = 20? t = 0?
asked by GGift 
ALGEBRA
Bill wants to open a business selling chairs. It will cost him a fixed amount of $1,000,000 to open a factory, and a variable cost of $5 to manufacture each chair. What will the total cost be to produce: 1,000 chairs? 100,000 chairs?
asked by GGift 
college geomrtry
What are the differences between linear and quadratic equations? How are these differences displayed in a graph? Write a brief scenario that can be modeled with a linear equation. Summarize a situation modeled by a quadratic equation. Are there equations
asked by Anonymous 
math
A: Solve the following equation: k2 + 4k = 0 A: By factoring B: By using the quadratic formula D: Do the results in A, B, differ from each other? Why or Why not?
asked by jillian 
Chemistry
What two components gain heat when ice is added to water? Express it mathematically. (use appropriate symbols, not your actual numerical values.  I know that the ice gains heat as well as the H2O from the ice, but i don't understand how to express it in
asked by Anonymous 
chemistry 106
A gasfilled balloon having a volume of 1.50 L at 1.2 atm and 25°C is allowed to rise to the stratosphere (about 30 km above the surface of Earth), where the temperature and pressure are 23°C and 3.00 multiplied by 103 atm, respectively. Calculate the
asked by Tanisha 
chemistry 106
calculate the pressure exerted by 1.00 moles of CO2 confined in a volume of 5.00 L at 450. K. Compare the pressure with that predicted by the ideal gas equation.
asked by Tanisha 
chemistry 106
Nitroglycerin, an explosive compound, decomposes according to the equation below. 4 C3H5(NO3)3(s) 12 CO2(g) + 10 H2O(g) + 6 N2(g) + O2(g) Calculate the total volume of gases when collected at 1.2 atm and 25°C from 1.3 multiplied by 102 g of nitroglycerin.
asked by Tanisha 
Precalculs
I have no idea how to do these type of problems. Problem Solve each equation on the interval 0 less than or equal to theta less than 2 pi 42. SQRT(3) sin theta + cos theta = 1  There is an example prior to the
asked by Kate 
English
1. He is one of the tallest boys in my class. 2. He is one of the tallest boys in our class. (Are both the same?) 3. He got three times as much money as I. 4. He had three times as much money as I. 5. He earned three times as much money as I. (Does #3 mean
asked by rfvv 
English
What is the meaning of 'guy'? Is it a boy or a man? Can we use 'guy' for a woman? If you say 'you guys' to some people, is it a little rude or an informal good expression? What connotation does 'guy' have?
asked by rfvv 
College Chemistry
Calculate the heat of formation reaction for SiO2(s)+4HF(g) > SiF4(g)+2H2O(l) I got 129.6 and it says I'm wrong
asked by Kaylene 
statistics
Evolutionary theories often emphasize that humans have adapted to their physical environment. One such theory hypothesizes that people should spontaneously follow a 24hour cycle of sleeping and waking—even if they are not exposed to the usual pattern of
asked by Winnie 
chem
If 0.120 moles of water are produced in the reaction H+(aq)+OH(aq)>H2O(l) delta H=56.2 kJ/mol I have tried this problem a ton of times and aris keeps telling me I'm incorrect. Can you please help me with solving this problem
asked by Mellisa 
statistics
Please analyze the following data using the Ttest for Unpaired data: A school district wants to determine if the girls are equal to boys in test scores. They took a random sample of 22 8th grade girls and 24 8th grade boys. The district looked at recent
asked by Barbara 
physics
a horizontal force of 95 N is applied to 60 kg crate on rough , level surface. if crate accelerates at 1.20 m/s2 , what is magnitude of the force of kinetic friction acting on the crate?
asked by jerry 
Chemistry
Balance the following equations. A) SO2 + O2 > SO3 B)Fe2O3 + H2 > Fe +H2O C)P + O2 >P4O10 D)Al + N2 > AlN
asked by Jack 
statistics
7. A sample of 40 observations is selected from one population. The sample mean is 102 and the sample standard deviation is 5. A sample of 50 observations is selected from a second population. The sample mean is 99 and the sample standard deviation is 6.
asked by Barbara 
Statistics
8. A sample of 65 observations is selected from one population. The sample mean is 2.67 and the sample standard deviation is .75. A sample of 50 observations is selected from a second population. The sample mean is 2.59 and the sample standard deviation is
asked by Barbara 
Statistics
The Gibbs Baby Food Company wishes to compare the weight gain of infants using their brand versus their competitor’s brand. A sample of 40 babies using the Gibbs products revealed a mean weight gain of 7.6 pounds in the first 3 months after birth. The
asked by Barbara 
Statistics
What key words tell you that the Hypothesis is to be set up as a 1 Tail UPPER?
asked by Barbara 
English
When I write a classification can i put more than one subject in a paragraph or dose each subject needs it own paragraph
asked by Trowers