Questions Asked on
March 21, 2010

APChem
Hi I tried to understand this but I don't know why the answer is B: Which one of the following pairs cannot be mixed together to form a buffer solution: A) NaC2H3O2, HCl B)RbOH, HBr C) NH3, NH4Cl D) H3PO4, KH2PO4 E) KOH, HF The answer is B but could you
asked by Kiki 
chemistry
When excess solid Mg(OH)2 is shaken with 1.00 L of 1.2 M NH4Cl solution, the resulting saturated solution has pH = 9.30. Calculate the Ksp of Mg(OH)2 I am not sure where to even begin on this problem.
asked by Raj 
Math
An auditorium has 30 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. How many seats are in the auditorium My answer is 1170 but the way I figured out the problem was by listing numbers 130. the problem state
asked by Nikki 
Physics
A 0.32 kg meter stick balances at its center. If a necklace is suspended from one end of the stick, the balance point moves 39.0 cm toward that end. What is the mass of the necklace?
asked by Tory 
chemistry
what is the maximum number of grams of PH3 that can be formed when 6.2 g of phosphorus reacts with 4.0 g of hydrogen to form PH3
asked by jose 
pH levels
Rank the following solutions in order of decreasing [H3O^+]. .10 M HC2H3C2 .10 M HC6H5O .10 M HF ,10 M HBr I think the correct order is: HBr>HF>HC2H3C2>HC6H5O am i right?
asked by Kyle 
APChem
Hi! Thank you for your help... A 25.0 mL sample of 0.723 M HClO4 is titrated with a 0.273 M KOH solution. The H3O+ concentration after the addition of 66.2 mL of KOH is ______M. (The answer is supposed to be 1.00X10^7) How do I set this problem up? I
asked by Kiki 
calculus
s(t)=16t^2+v(subscript0)t+(subscrpt0) a silver dollar is dropped from the top of a building that is 1362 feet tall. a) determine the position and velocity f'cn for the coin. b) determine the avg velocity on the interval [1,2] c) find the instantanous
asked by evie 
Social Studies
Why do you think dictators need to find scapegoats for their nation's ills? Explain.
asked by Jay 
Chemistry
What are the major organic products of this reaction: CH3CH2CH2COCH2CH3 (an O is double bonded to the C before the O) + H2O > (acid is above the arrow) DrBob222 There are 2 oxygens. I said there is an O double bonded to the C. So there is the O after
asked by Bobby 
Chemistry
There exists a correlation between maximum electrostatic potential and acid strength. As pKa decreases (acid strength increases), the maximum electrostatic potential for a molecule increases. Given a particular acid, is there any way to determine the
asked by Joe 
Chemistry
For the following electrochemical cell, what is the correct, balanced reaction? Cu(s)  Cu2+(aq)  Ag+(aq)  Ag(s) A. Cu(s) + Cu2+(aq) → Ag+(aq) + Ag(s) B. Cu(s) + Ag+(aq) → Cu2+(aq) + Ag(s) C. Cu(s) + 2 Ag+(aq) → Cu2+(aq) + 2 Ag(s) D. Cu2+(aq) +
asked by Val 
chemistry
what is the product of reaction K3(Al(C2O4)3).3H2O with KMnO4 in the present of H2SO4?
asked by atika 
Physics
Calculate the specific heat of a metallic element if 314 joules of energy are needed to raise a 50.0 g sample from 25 to 50 degress C ? :)
asked by Christina 
Chemistry
here is the question. it is a fact that when you add acetone to saturated sodium chloride, the equilibrum shifts towards the right. what observation supports this fact? what is the role of acetone in shifting the equilibrium towards the right side? What
asked by Dalala 
AP Chem
Determine the [H3O^+] of a 0.240 M solution of formic acid.
asked by Eddie 
ocean county college
A 150 g sample of metal at 55.0 C raises the temperature of 150 g of water from 23.0 C to 35.0 C. Determine the specific heat of the metal in J/g C. Hint: #1 First find heat absorbed by water using formula q = mass x specific heat x change in temp (of
asked by adina 
Writing research
What were some arguments and counter arguments of Martin Luther King's " I have a dream" speech? I have recognized bias, fallacies, and rhetorical devices. I am having trouble identifying counter arguments.
asked by I need help 
Chemistry
When you add CuSO4+KI the substance stays clear and when you add hexane to it it became brownish yellow and a red substance was present how do you explain this?
asked by Dalala 
Math
Find the quadratic function that has the indicated vertex and whose graph passes through the given point. Vertex: (2,3) Point: (0,2) I do not know how to do this! Please explain!! Thank You
asked by Abbey 
Physics
You pull downward with a force of 27 N on a rope that passes over a diskshaped pulley of mass 1.3 kg and radius 0.075 m. The other end of the rope is attached to a 0.61 kg mass. Find the tension in the rope on both sides of the pulley. I found that the
asked by Mary 
Biology
Match the terms with the correct description: a. regulates supply of gases from ATP production b. provides negative feedback signals c. protects body against foreign dangers d. "rapid transit" for liquids and gases e. primary "regulator" of sensory
asked by mysterychicken 
Algebra
The volume of a sphere is given by: V=4/3 pie r cubed. Use the formula, and show your workings, to find out what happens to the volume of a sphere if r is halved and r is trippled? Please help as this has just completly lost me, i end up with V = 4/3 Pie r
asked by StephanieNZ 
Organic Chemistry Lab
ISOLATION OF CHLOROPHYLL AND CAROTENOID PIGMENTS FROM SPINACH: What would happen to the Rf values of the pigments if you were to increase the relative concentration of acetone in the developing solvent ? I said the Rf values would be higher because Acetone
asked by Chinma 
World History
How was mao's vision of communism different from that of lenin?
asked by tatiana 
Physics
100g sample of substance is heated to 100˚C and placed into calorimeter cup containing 150 g of water at 25˚C. The sample raises the temperature of water to 32.1. What is the specific heat of the substance?
asked by John 
Chemistry
What is the percent by mass of Ca3N2?
asked by Sam 
Chemistry
The solubility of compounds containing the carboxylic acid group can be increased by reaction with a) sulfuric acid b) nitric acid c) sodium hydroxide d) water e) benzoic acid Would it be sodium hydroxide since it is a base?
asked by Kristin 
physics
A.A pair of narrow, parallel slits separated by a distance of 0.335 mm are illuminated by green laser light with wavelength = 543.0 nm. The interference pattern is observed on a screen 2.43 m from the plane of the parallel slits. Calculate the distance
asked by Andy 
Math
Using the Substitution method solve 7x+5y=23 6x+y=25
asked by Bryant 
optics ray tracing
light travels in a straight line, why is this important for the technique of ray tracing?
asked by Jose 
Social Studies
How does geography affect where people live and work in Canada?
asked by Amelia 
CHEMISTRY
I have two: 1. why can you not find the mass of a beaker, water, vinegar and alka seltzer in one step rather than recording alka seltzer by itself? 2. what is maximum volume of vinegar that can be neutralized by one alka seltzer tablet and explain answer?
asked by DEBBIE 
Finite Math
If A = (aij ) is a matrix of size 2x3, and if aij = 2i 3j for all i and j write down A.
asked by Bryce 
math word problem
There are 10 women and 8 men in a club. How many different committees of 6 people can be selected from the group if equal numbers of men and women are to be on the committee? I think it would be 2, because half of 6 is 3, so 3 are men and 3 are women. 2
asked by Paula 
Calculus
Find the derivative of y with respect to x: y=(1+cos²x)^6 y'=6(1+cos²x)^5 How do you derive inside the brackets? The answer says sin2x, but wouldn't it be 2sinx, using the chain rule.
asked by sh 
Chem
Consider this reaction: CO (g) + H2O (g0 CO2(g)+H2(g) kc=102 at 500 K A reaction mixture initially contains 0.145 M of CO and 0.145 M of H20. What would be the equilibrium concentration of [CO]? I so far have kc= [H2][CO2]/[CO][H2O]= 102 I know i have to
asked by Katie 
english
For the Unit 1 Discussion Board assignment, you will: (1) select a topic from the list below, (2) develop a thesis statement from your topic selection and post your writing strategies for developing your thesis, (3) explore the features of the MyCompLab
asked by Anonymous 
economics
A New Hampshire resort offers yeararound activities: in winter, skiing and other coldweather activities; and in summer, golf, tennis, and hiking. The resort’s operating costs are essentially the same in winter and summer. Management charges higher
asked by J 
Physics
A capacitor of capacitance C= 10mF, is charged using a battery of potential V, through a resistor of resistance R = 250 ohms. the charge of the capacitor is given by Q(t)=CV[1− e ^ (−t/RC)] Find an expression for the current passing through the
asked by drwales 
Accounting
Your company is considering a replacement of an old delivery van with a new one that is more efficient. The old van cost $30,000 when it was purchased 5 years ago. The old van is being depreciated using the simplified straight line method over a useful
asked by ananoumous 
math
it costs mr kringle $10 to make 100 gaint pretzels for his bakery. if he sell his pretzels for .25 each, how much profit will he make after selling all 100 pretzels?
asked by ssmomo 
finance
Your company is considering a replacement of an old delivery van with a new one that is more efficient. The old van cost $30,000 when it was purchased 5 years ago. The old van is being depreciated using the simplified straight line method over a useful
asked by ananoumous 
Algebra
One pump can drain the pool in 11 minutes. When a second pump is used, it only takes 9 minutes. How long would it take the second pump to drain the pool if it were the only pump in use?
asked by ReRe Please Help!! 
algebra
Marlene rides her bycicle to her friend Jon's house and returns home by the same route. Marlene rides her bike at constant speeds of 6mph on level grond, 4mph when going uphill and 12mph when going downhill. If her total riding time was 2 hours, how far
asked by Kenneth 
Computer Networking
Bispling International Banking has expanded recently to included two new buildings for a total of three, roughly arranged in a triangle with each building about 500 meters apart. Previously, these buildings were wired with Cat3 UTP 10BaseT Etherent. The IT
asked by Mary 
Biology
*Yawn* Match the terms with the correct description: a. regulates supply of gases from ATP production b. provides negative feedback signals c. protects body against foreign dangers d. "rapid transit" for liquids and gases e. primary "regulator" of sensory
asked by mysterychicken 
science
Why did scientists once think there were volcanoes on the moon? What evidence from the Apollo landings makes this unlikely
asked by hillary post 
Chemistry
What are the major organic products of this reaction: CH3CH2CH2COCH2CH3
asked by Bobby 
Physics
Hi, I've been having issues with solving this problem. Could anyone help? Two blocks, of masses M = 2.0 kg and 2M are connected to a spring of spring constant k = 215 N/m that has one end fixed, as shown in the figure below. The horizontal surface and the
asked by Jack 
world history
What single event set in motion the start of WW1?
asked by tatiana 
english: poem
do you think this poem's emotion is optimistic? Calgary 2 A.M. In spite of the fact that it's twenty below and winter has gone on for five long months, in spite of being starved, starved almost to death for greenness and warmth, flowers and birds, in spite
asked by larry 
Math
Identify n(S) for the given set. S = {f, h,m, r} A) 4 B) 0 C) Infinite D) 3 is the answer c, since the given set can have a unlimted number of elements. or is it b, since the letters are not in order?
asked by Hannah 
Math
Is anyone familiar with base ten? I need to show my work on how I received my answer. Write the numeral in base ten. 200six =532
asked by kevin 
Math (trig)
In ABC, sin A equals 2/3 , sin B equals 4/5 , and side a equals 20 Find side b?
asked by Sally 
chemistry
At 300.K and 1.00 atm, assume that 25 mL of NO gas reacts with 22 mL of oxygen gas and excess water to produce nitric acid according to the following equation: O (g) H O(l) 2 HNO (g) 2 2NO(g) 3 + 2 + 2 ⎯⎯→ 3 . If all of the nitric acid produced by
asked by bob 
Chemistry
How do i write the equation betwen ethanoic acid CH3COOH and urea (NH2)2CO? I think they form carbondioxide and an ammonium salt, but how do i write the actual equation?
asked by Hallie 
Math
What do the digits in the number 15 add up to? Answer 1+5=___. Using single digits, how many different ways can you add up to 6?. Example: The least number of digits is 2, and it is 1+5=6. The greatest number of digits is 6, and it is 1+1+1+1+1+1=6. 1.How
asked by Mohammed 
Finite Math
If A = (aij ) is a matrix of size 2x3, and if aij = 2i 3j for all i and j write down A.
asked by Bryce 
Algebra
One pump can drain the pool in 11 minutes. When a second pump is used, it only takes 9 minutes. How long would it take the second pump to drain the pool if it were the only pump in use?
asked by Anonymous 
social studies
what were the social, economic, cultural and political consequences of the Industrial Revolution? explain.
asked by Dellaine 
Social Studies
What was the main difference between the Hudson Bay Company and the Northwest Company in terms of the way their businesses were structured?
asked by Liz 
algebra
How do I solve this with the elimination method? 5x10y=4 5x10y=5 I need x=, and y= to get an ordered pair, but every time I mult. by a neg, everything goes away instead of just one variable! please help!
asked by bob 
Chemistry
Sorry I accidently hit enter and it posted my question before I was finished... What are the major organic products of this reaction: CH3CH2CH2COCH2CH3 (an O is double bonded to the C before the O) + H2O > (acid is above the arrow)
asked by Bobby 
algebra
really struggling with this problem admission to a baseball game is $2.00 for general admission and $5.50 for reserved seats. The receipts were $3408.00 for 1025 paid admissions. How many of each ticket were sold?
asked by jerson 
Trigonometric
Find the exact value of cos7(pi)/12 using sum and/or difference identities.
asked by Michael 
com150
Provide three credible sources for healthy eating. my subpoints are education, preparation, organization and effort.
asked by alicia 
math word problem
Jim is making a diagram of the solar system. If he draws Neptune, which is 2795 million miles from the sun, 10 inches from the sun on his paper, how far away (to the nearest tenth of an inch) from the sun should he draw Mars, which is 142 million miles
asked by Paula 
math
one canned jucie drink is 15% orange jucie; another is 10% orange jucie. How many liters of each should be mixed together in order to get 5L that is 11% orange jucie? How many liter of the 15% orange jucie? how many liters of the 10% orange jucie?
asked by Tim 
Algebra
Write an equation of the line satisfying the given conditions. Parallel to the line y=5x6 and a yintercept of 2
asked by Tammy 
social studies
list five specific types of power that the president has and give one example of each?
asked by kristen 
Math
Solve 4y3 less than 7y4 is the answer less than 2?
asked by Tricia 
Math
Miguel's insurance compnay will replace his car if repair costs exceed 80% of the cars value. The car resently substained $10,800 worth of damage, but it was not replaced. What was the value of his car. A)Less than 13,500 B)More than 8640 C)13500 D)Greater
asked by Maryann 
Math
2) Find f x g, g x f, and f x f f(x) = 3sqrt x1 g(x) = x^3+1 For the f(x) the 3 is little above the sqrt sign. I do not understand how do find these.
asked by Hannah 
com140
how will you apply the knowledgeyou have gained about effective buisness communication in your current or future job and college courses?
asked by cori 
French History
Is this good information about the Notre Dame cathedral? NotreDame's first version was a magnificent church built by Childebert I, the king of the Franks at the time, in 528, and was already the cathedral of the city of Paris in the 10th century. However,
asked by jenny 
Physics
Light travels in a line of optical fiber by total internal reflection between a core of refractive index 1.48 and a cladding 1.46 refractive index. The critical angle for total internal reflection to occur inside the core of the fiber is ... 80.6º 48.8º
asked by Samantha 
math
Solve 4y3 less than 7y4
asked by Tricia 
Physics
A mass spectrometer is used to separate isotopes. If the bean emerges with a speed of 374 km/s and the magnetic field in the mass selector is 1.5 T, what is the distance between the collectors for 235U+1 and 238U+1? The mass of 235U+1 is 235 u and the mass
asked by Jane 
trigonometry
A lighthouse BC of unknown height stands on the edge of a cliff AB. From a point O, 2500 ft from the base of the cliff, an observer measures the angles of elevation of the top and bottom of the lighthouse and finds them to be 15°40' and 12°13'. How high
asked by Michael 
Geography
6. Throughout East Asia, most of the labor force works in a. trade b. farming c. mining d. aquaculture I'm lost between B and D
asked by y912f 
physics
if 1 kilogram of ice is dropped in 9 kilogram of water at 50 degree centigrade. what will be final temperature of water. while the latent specific heat of fusion of ice is 336000 joule/kilogram
asked by abid naeem 
Math
Identify n(S) for the given set. S = {f, h,m, r} A) 4 B) 0 C) Infinite D) 3 is the answer c, since the given set can have a unlimted number of elements. or is it b, since the letters are not in order?
asked by Hannah 
algebra
Sue can shovel snow from her driveway in 40 minutes. Tom can do the same job in 35 minutes. How long would it take Sue and Tom to shovel the driveway if they worked together?
asked by ina 
social studies
can someone help me with a website or reference on creating a timeline tracking the major themes/paragism shifts in american history from the developement of sectionalism in the early 1800's throught the end of the prgressive era in the early 1900's
asked by Dellaine 
Biology
During the follicular stage of the menstrual cycle, both FSH and estrogen are high, but aren't estrogen and FSH on a negative feedback loop? Is it just because FSH is not directly involved in the increase of estrogen (it is the follicle that increases
asked by Stuck 
Math
Hockey teams recueve 2 points when they win and 1 point when they tie. One season, a team won a championship with 66 points. They won 12 more games than they tied. How many winds dd the team have and how many ties?
asked by Carl 
spanish
¿Dónde te graduaste de la secundaria (high school)?
asked by paul 
Algebra
Use the Rational Theorem to list the possible rational roots. f(x)=x^2+2x+1 f(x)=x^22x+5 f(x)=x^2+4x5
asked by Paula 
Social Studies
What is the process of an amendment? Could someone sums up how can 1 get pass? Thanks
asked by Shadow 
Chemistry
The solubility of compounds containing the carboxylic acid group can be increased by reaction with a) sulfuric acid b) nitric acid c) sodium hydroxide d) water e) benzoic acid
asked by Kristin 
PreCal
Identify any asymptotes of the graph. y = 1.08^5x
asked by Mark 
History
Why did relations between the Superpowers change in the years 196275?
asked by Meera 
Human Capital
What is the relationship between the business strategy and the organizational culture regarding staffing decisions?
asked by Mary 
Calculus
Find the derivative of y with respect to x: y=3sin^4(2x)^1 y=[3sin(2x)^1]^4 y'=4[3sin(2x)^1]^3 (3cos(2x)^1)(1) (2x)^2 y'=[12cos(2x)^1][3sin^3(2x)^1][2x]^2 but the answer does not have a 3 in front of sin. What happened to the 3?
asked by sh 
algebra
How would u solve 2r\r+5 2(r+5)(r4)=4(r4) I don't kow if I should distribute the negative 2 to (r+5) What should I do from here?
asked by michelle 
Algebra
Solve by the elimination method 2r5s=1 5r+2s=46 The solution is _______, or there are infinitely many solutions, or there is no solution
asked by Liz 
critical thinking
Identify any examples of bias presented by the author. If none exist, explain how you determined this Identify and name any rhetorical devices used by the author. If none exist, explain how you determined this. Identify and name any fallacies used by the
asked by J_S_10 
math
Find the ordered pair using the elimination method. 4x+5y=3 8x+10y=6
asked by Scott 
English
Thank you very much very much for your help. I just wanted to make sure about the grammar in the following sentences, too. 1) He found many things which he wanted to take ashore. Therefore/so, he began searching for a boat in order to transport them to
asked by Franco 
Chemistry
Which of these solvents: hexane, ethanol,or distilled water, would work as effective grease removers?
asked by Tina 
Math(Please help)
Identify the vertex, intercepts, and zeros of the function. g(x) = x^2 + 8x + 11 Please help!!
asked by Abbey 
Statistics
Consider pairs ,..., for i=1, ...,n. zi=cxi+d Express b sub(z*x) in terms of b sub(y*x) and a sub(z*x) in terms of a sub(y*x). I have been stumped on this one for hours! Sub (y*x) means its a subscript. Thank you to anyone who can help :)
asked by Kassie 
Statistics
If Y' = a +bX for all i and a=the mean of Y  b*the mean of X, prove that SigmaY' = SigmaY (subscript i). Hint: replace a with mean of Y minus b*mean of X and take the sum of both sides of the equationthat is, SigmaY'(subscript i)=Sigma(mean of Yb*Mean
asked by Kassie 
College
Case Eastern Junior College awarded 26 varsity letters in crew, 15 in swimming, and 16 in soccer. If awards went to 46 students and only 2 lettered in all sports, how many students lettered in two of the three sports?
asked by Anonymous 
biology
two heterzygous parents are crossed.if the two locii are linked what would be the distribution of phenotypic features in F1 generation for a dihybrid cross?
asked by bina 
algebra
((5v)/(v^35v^2+6v))((4)/(v2))((3V)/(3V))
asked by James S. 
Chemistry
Determine the pH of each of the following solution. a solution that is 5.8×10^−2 M in HClO4 and 2.6×10^−2 M in HCl
asked by Kyle 
Calculus
Find the derivative of y with the respect to x: y=sin‾²(x³) y'=cos‾²(x³)(3x²) y'=3x²cos‾²(x³) How come my answer is incorrect? Thanks in advance.
asked by sh 
MATH  Can someone please help!
What is the solution of the interval notion? x less than 6 and x greater than 3
asked by BOB 
English
I wonder if you could have a look at the following summary of Chapter 4 of Robinson Crusoe which I need to prepare for tomorrow. I thank you in advance. 1) When Crusoe woke up, he found the weather clear and the storm over. The ship had been carried by the
asked by Franco 
8th grade
What would be the right way to convert base 16 to base 10, such as for an example, 1BD base 16 to base 10?
asked by Khyir 
Math 116
As you are leaving the community, you notice another new community just down the street. Because you are in the area, you decide to inquire about it. a) The sales representative here tells you they also have two floor plans available, but they only have 30
asked by KiKi 
Math
Perform the indicated operations and reduce all results to lowest terms. Assume the variables are restricted to values that prevent division by 0. (x^2y^2)/(x^22xy+y^2) divided by (3x+3y)/(7x21) Could someone please show me how to do this so I can do
asked by Chad 
social studies
between 1962 and 1967 the supreme court reviewed and decided on four court cases involving law enforcement officers and persons accused of criminal acts. what were the four cases and have the decisions affected law enforcement today?
asked by kristen 
World History
What started the civil war in china?
asked by tatiana 
Math
Given that P(A)= 1/36, what are the odds against A occuring? I found this formula in my chapter odds against A= 1P(a)/P(a) Would it be 11/36 over 1/36? Or how do I go about it?
asked by Carrie 
biotechnology
what would be the molar concentration of human DNA in a human cell?
asked by bina 
English Research Project Information  Sadako
For my english research essay, I will need two print sources. I am doing the topic on Sadako (the girl from "A thousand Paper Cranes") The librarians at my school told me that they didn't have any books on her. Do you know of a reference/nonfiction book
asked by NEEDSHELP(: 
health
Medical and clinical staffs, such as physicians and nurses, have roles and responsibilities different from those of hospital administrators. · Describe at least two roles of medical or clinical staff, and two roles of hospital administration that are
asked by jojo 
Chemistry
how many moles of hydrogen chloride would be needed to react completely with 15g of barium carbonate equation is given: BaCO3 + 2HCl to BaCl2 + H2O + CO2
asked by Johnny 
Math
Could someone please help with this question. State the properties of y = 2sec(2x + 180°) + 3. My answer: First I graphed y = 2sec(2x + 180°) + 3 in the following way. 1)graph y=sec(x) 2) apply a horizontal compression by a factor of 1/2. 3) apply a
asked by Matt 
math
5xy=36 5x+6y=6 Find the solution in ordered pairs.
asked by Lisa 
government
Without our two great political parties cutting across economic and geographic interests,can democracy as we know it have been made to function?
asked by Share' 
social studies/canada
According to the United Nations,Canada is a great place to live. How do both natural resources and government policies combine to make this true?
asked by Olga 
economics
3. Consumer spending on durables falls, draw a graph to analyze the effects of this change in real interset. 4. The Canadian demand for Mexican Pesos is downward sloping and supply of pesos is upward sloping. Assume a system of flexible exchange rate
asked by kelvin 
English
1. Tape a stick to/on/at the back of the puppet's body. 2. Tape a stick to/on/at each of the puppet's hands. (Which preposition do we have to use?)
asked by rfvv 
11th grade
what steps did the government take to respond to a demand by many Americans to control?
asked by Sani 
physics
Have tried many unsuccessful attempts at this project. Using only 3 letter size papers and clear tape, build something to allow a soft egg to drop unbroken. Used 1 rectangular paper as parachute, taped in corners by 4 long strips attached to an open paper
asked by Ryan 
Civics
Are there any reliable websites that would give information and statistics on improvements that should be made to Immigration Canada?
asked by Emily 
Oceanography
I have an exam in oceanography coming up and I'm having a little trouble understanding directions. For example in my review sheet he asks question like this: In what compass direction does the coriolis force act in the following situations: An object
asked by Krysten 
math
Mathematically, why is a manhole cover round?
asked by paige 
algebra
Find the slope and yintercept, write fractional answer in lowest terms. 2y+9x+6=19+9x
asked by jess 
trigonometry
Establish the following identity. 1/1cosx + 1/1+cosx = 2csc(squared)x
asked by Michael 
social study
what were the consequences of the progressive era? how did the movement change from the early period to the later period? what were some of the goals in the early period and what were some of the goals in the later period? did it accomplish its
asked by Dellaine 
english
With reference to the concept of Monomyth, what is the treatment of the hero’s ’separation’ and ‘initiation’ in A Doll’s House by Henrik Ibsen and Candide by Voltaire?
asked by Michael 
calculus
What is the derivative of x^2 4y tanxy=0
asked by ujay 
Science
When all of the hydrogen of the Sun is used up, it will turn into a _________?
asked by Sara 
Algebra
Solve by the substitution method 9x+8y=5 x=409y The solution is _______ or there is no solution
asked by Liz 
Math
Identify the vertex, intercepts, and zeros of the function. g(x) = x^2 + 8x + 11 Please help!!
asked by Abbey 
physics
Two horizontal parallel wires which carry currents I1 = 45 A (top)and I2 (bottom). The top wire is held in position, the bottom wire is prevented from moving sideways but can slide up and down without friction. If the wires have a mass of 9.2 g per metre
asked by Jane 
algebra
Find an equation of the line having the given slope and the given point. m=0 (o,4) would it be y=4?
asked by jess 
Math
Simplify by removing factors of 1 9w36/4w What is the simplified form?
asked by Deb 
Math
If f(x)=4/2x, find the f(a), f(a+h), and f(a+h)f(a)/h, where h is not equal to 0.
asked by Jennifer 
Chemistry
lets say we have Cu(NO3)2 and then we add NaOH. so Cu(NO3)2 + NaOH and then we add HNO3 to it what wil happen?
asked by Dalala 
Math
Give the ordered pair solution 2x6y=24 3x9y=15
asked by Holly 
HRM240
I have a paper due tonight be midnight is it possible to have someone write it in time?
asked by ann 
Algebra :\
these questions are: ELIMINATION USING MULTIPLICATION: 1. 2. 2x + 5y = 3 2x + y = 3 x + 3y =7 5x + 3y = 2 I NEED HELP ASAP!!!! HELP PLEASE!!!!
asked by Presley 
science
if you had a book on a table and gravity suddenly storp whay would happen to the book?
asked by hello 
math
let f(x)=sqrt of 121x^2 a. graph the function b. state the domain and range of f(x)
asked by Jennifer 
math
Solve 5x+16 greater than 1 and 2x21 greater than 17.
asked by Jennifer 
math
I am a threedigit number i am less than 200 i am divisible by 12,and by 9 my units digit is less than my tens digit
asked by ssmomo 
Math
Write interval notion for the set {x 1 G.T. X G.T. 9} multiple choose A)[9,1) B)(9,1) C) (9,1] D) [9,1]
asked by Holly 
math
Solve using elimination method x+5y=21 x+5y=19
asked by Steven 
nutrition
What factors that affect your food choices and explore what has affected those choices you eat on a daily basis.
asked by Briana smith 
PreCalculus
Identify the following features of the graph of g(x) = (3/2)^x+2 A) Asymptotes B) Intercepts C) Increasing or decreasing I really do not know how to find these
asked by Mark 
Math
What is the derivative of x  4/x square. Just the denominator is squared.
asked by Mohamed 
criminal justice
who would be in charge of the merged departments by john t krimmel.
asked by guadalupe 
Math
Find the quadratic function that has the indicated vertex and whose graph passes through the given point. Vertex: (2,3) Point: (0,2) I do not know how to do this! Please explain!! Thank You
asked by Abbey 
chemistry
What aldehyde and primary alcohol might be oxidized to yield 4methylcyclohexanoic acid?
asked by Jamie 
math
Mary has a solution that is 60% alcohol and another that is 20% alcohol. How much of each should she use to make 100 milliliters of a solution that is 52% alcohol?
asked by emmet 
Physics
I have an exam in oceanography coming up and I'm having a little trouble understanding directions. For example in my review sheet he asks question like this: In what compass direction does the coriolis force act in the following situations: An object
asked by Krysten 
chemistry
what happens when you place sodium hydroxide and water into a calorimeter?
asked by chels 
Nutrition
Why do sucrosefed rats (high carb diet) consume less rat chow (protein, fat, fiber) than the control rats?
asked by Andrew 
Hum 230
What are the similarities and differnce of ethnics and laws within an organization?
asked by Teresa 
Math 30
One of the terms in the expansion of (x+3)^7 is kx^5. How do I determine the value of k.
asked by Rae 
math
7[3m(m+6)] G.T. 6(M1)
asked by Derek 
Math
What is the solution of the interval notion? x less than 6 and x greater than 3
asked by Bob 
psy
How do you think historical and scientific perspectives on homosexuality may have shaped the way gay individuals perceive themselves? Address at least three perspectives discussed in the text.
asked by Patiance 
math
x+7 less than 4 or x+7 greater than 2 Solve the compound inequality
asked by Michael 
trig
which of the following radian measures would be a soultion to 2sin^2 2x1=0 A)pi/4 B)pi/6 C)pi/8 D)pi/12
asked by Kamron 
11th grade
a 45kilo rollerblader accelerates from rest to 4.5ms1 in 3.0seconds. calculate the force requied by the rollerblader, if there are opposing friction forces of 40N acting? include a lbelled vector diagram in your answer.
asked by Anonymous 
Computer Networking
Mobile Training is a small training firm that offers mobile classrooms that come to your company and teaches office software,such as Word, Excel, Quickbooks, etc. You're asked to design a network for use in a training environment. It should be mobile, easy
asked by Mary 
geography
how have farmers in the poor part of south italy been helped with their living conditions. ive looked but cant find anything. thankyou
asked by Vioklia 
Science Help
When all of the hydrogen of the Sun is used up, it will turn into a _________?
asked by Sara 
english: poem
what makes "God's World" a powerful poem? i don't know please help i think it's powerful because it's descibing how the world looks like. i really don't know. need help God's World O world, I cannot hold thee close enough! Thy winds, thy wide grey skies!
asked by larry 
Science  Research
I am doing a review of the benefits and limitations to using genetic methods to research humans. I think the limitations will come from the fact that you need a blood sample. I'm not sure how to find about how much blood the scientist takes from the person
asked by anony mouse 
social studies
What would most likely happen if the Canadian government overruled the current laws protecting French language and heritage in the province of Quebec?
asked by Sammy 
MATHS
I am less than 500. I am divisible by 11 and 5. I have three digits. The sum of my digits is 14
asked by Nicky 
Tennessee State University
How much heat is absorbed by the calorimeter if the temperature change is 12 C and the calorimeter constant (Heat Capacity) is 3.3 J/K?
asked by Aaron 
HCA220
How does blood clotting, immune response, allergic and hormone release interelate?
asked by Sandra 
chemistry
how many joules are formed when 3 moles oh CH4(g) react?
asked by alexandra 
7th grade
what are the three emphatic forms of helpig verbs
asked by Anonymous 
math
Cola Company is offering its preferred customers a 25% discount on its most popular product normally listed at $40 each. a) What is the net price of each product to Cola Company's preferred customers? For full marks your answer(s) should be rounded to the
asked by jena 
Geography
How many immigrants does Canada need annually to prevent a decrease in its population? Please provide the source of the answer.
asked by Krystal 
math
What would be the right way to convert base 16 to base 10, such as for an example, 1BD base 16 to base 10?
asked by Khyir 
Art
what did Harold Rosenberg mean by "spectator vs view"
asked by pat 
Tennessee State University
How much heat is absorbed by the calorimeter if the temperature change is 12 C and the calorimeter constant (Heat Capacity) is 3.3 J/K?
asked by Aaron 
algebra
(x7)(x+2)=0
asked by munchkin 
Math word problem
Which would you rather be paid for 12 days  $100 per day for the 12 days or one dollar for the first day, $2.00 the second, $4.00 the third, $8.00 the fourth, etc., up to and including the 12th day?
asked by Paula 
college/Algabra
divide: (12x^342x^230x3)/(6x+3)
asked by Rebecca 
Advice on IB subjects
Hey there all! Im desperate for some advice on my subjects at IB! I have decided on chem bio higher and english spanish standard. I am battling between Maths and Economics higher! I really like Maths and had decided to take it but now that I told people my
asked by Daniel 
Math
0.3(11x+4) greater than 2.1(x+8)
asked by Greg 
math
Solve for the unknown: 8/52 = m/39
asked by bev 
12th grade
i need help, can someone determine the quadrant in which the angles lie? pie/5 7pie/5 pie/12 2
asked by ashley 
math
how many ounces in a cup?
asked by rick 
early childhood literacy
the belief that children learn to read the same way that they learned to talk is the basis for the:
asked by julie 
College Chemistry
I don't have an answer.
asked by Aaron 
math
I need help making to tcharts. a. 1 if 1/2 is less than or equal to x less than or equal to 1. b. x^3 if x>1
asked by Jennifer 
Math
determine the number of solutions using determinants 3xy=6 2x=3y+2 I get: 3 1 2 3 D = 9(2)=7 and 3 6 2 2 D = 6(12)=18 solution set is (7,18) when I plug them in to check, they don't come out right
asked by Paula 
Tennessee State University
How much heat is absorbed by the calorimeter if the temperature change is 12 C and the calorimeter constant (Heat Capacity) is 3.3 J/K?
asked by Aaron 
algebra
How would u solve D\d+2  2\2d = d+6\ d^24 I got to D(d2)(2d) 2 (d+2)(d2)=2dd^2+126d How would you solve? Im confused
asked by michelle 
Math
Subtract: Simplify if possible x/x^216  6/x^2+5x+4
asked by Anonymous 
English
I forgot to include the following sentences which are part of the same summary. I really hope you can find time to check them, too.Thank you a lot. 7) The boxes of food had not been damaged by the water. He found many things, including biscuits and rum,
asked by Franco 
drama
If Tim Burton were to remake the film Cinderella, what do you think it would look like? Describe characters, actors who would play the characters, costumes, set, mood and setting.
asked by becca 
Math
Find f x g, g x f, and f x f f(x) = 3sqrt x1 g(x) = x^3+1 For the f(x) the 3 is little above the sqrt sign. I do not understand how do find these.
asked by Haanah 
math
solve (3v+4)/(v2)
asked by Chad 
com 220
Where can I find a graph or table that shows when black people was able to vote and the years?
asked by Tracie 
college
what dose harold rosenberg mean when talk about "spectator vs viewer".
asked by pat 
math
A cell phone company offers a contract for which the cost C, in dollars, of T minutes of telephoning is given by C=0.25(t600)+71.95, where it is assumed the t greater than 600 minutes. What times will keep costs between $119.20 and $135.45?
asked by Ryan 
AP Biology
discuss the characteristics that make up mammalian genomes larger than prokaryotic genomes
asked by sheer 
PreCal
Identify the following features of the graph of g(x) = (3/2)^x+2 A) Asymptotes B) Intercepts C) Increasing or decreasing I really do not know how to find these
asked by Mark 
math
0.3(11x+4) greater than 2.1 (x+8)
asked by Joan 
Math
Solve. a+3 less than 12
asked by Edward 
art
In 1953 Robert Rauschenberg erased the drawing of a very famous abstract expressionist artist? and why?
asked by pat 
english: poem
can someone tell me what emotion is this poem is expressing? i read this over but couldn't figure out what this poem is expressing. God's World O world, I cannot hold thee close enough! Thy winds, thy wide grey skies! Thy mists that roll and rise! Thy
asked by larry 
science
what is muscular energy?
asked by tyrone 
math 12
without looking at cases Jamie just puts the CDs into cases. The cases belong to the CDs. how many different ways can the CDs be put in the cases? Is the answer 3!=6
asked by Juliet 
us history
Define ethnocentrism and explain how it has been used to justify European colonization of Native American cultures.
asked by John 
maths
e^x=3e^x x=? Please help!
asked by Anonymous 
Changes in the world
What are atleast three or more changes in the world, that you'd like to see. One change that I would like to see is an end to child abuse, terrorism, and an end to animal abuse. I think that parents should be capable of leaning their children towards the
asked by Sara 
uniport
determine the area enclosed by the given boundaries: y=10x^2and y=x^2+2.
asked by mirian 
algebra
when adding or subtracting rational exprssions, why do you need an LCD
asked by sid 
Math
Find two functions f and g such that (f x g)(x) = h(x). h(x) = 4 / (5x+2)^2
asked by Hannah 
Social Studies
What was Josef Stalin's scapegoat? Im assuming it is the Bolshevik's and he took care of them through mass purging.
asked by Jay 
Language Arts
Is obscured a verb, adjective, or both?
asked by Anya 
Math
set S is composed of the square of every element of the set {5,5}. what is S?
asked by Sophie 
Mathsomeone please help
Write interval notion for the set {x 1 G.T. X G.T. 9} multiple choose A)[9,1) B)(9,1) C) (9,1] D) [9,1]
asked by Holly 
college
2x>1/9
asked by terry 
maths
i need to factorise 4 cos squared theta + 2 cos theta  1
asked by adele 
sentences
write a few sentences adout another famous afro american woman because march famous woman"s month
asked by junior 
scott
during the relative refactory peroid another impulse can be triggered by a ?
asked by nat 
algebra 2
3 radical 4x^2 time s radical 6x^4 times 3radical 9x
asked by Kristina 
Math
factor 2x^2x+10
asked by Chad