Wednesday
July 30, 2014

Posts by SARA


Total # Posts: 3,602

teacher aide
I think its D.

teacher aide
when working with behaviour disordered children in the classroom,the teacher aide can modify behaviour by a.praising them when they succeed. b.using the same techniques for every student. c.underestimating what the child can do. d.reinforcing the problem behaviour.

teacher aide
its C.

teacher aide
In a regular school, the mainstreaming/inclusion technique is a]used only with visually impaired students. b]often impossible with behaviour disordered students c]frequently a positive experience for regular students. d]impractical for learning challenged children.

Chemistry
what are the concentrations of hydrogen ions and hydroxide ions in a solution that has a oh of 5? *please include work done so I can understand*

teacher aids
In regular school,the mainstreaming/inclusion technique is?

chem
An ethylene glycol solution contains 23.9 g of ethylene glycol (C2H6O2) in 86.9 mL of water. Compute the freezing point and boiling point of the solution. (Assume a density of 1.00 g/mL for water.)

chemistry
Calculate the equilibrium constant for 2CH3OH(l)+3O2(g)->2CO2(g)+4H2O(l)

Math
Is x^2 +4x + 4 + y^2 - 2y + 1 = 25 the equation of a circle? Explain why or why not.

Amer Lit
So for my final exam my teacher gave us a study guide and on it under Unit two: The Contemporary Period (1946-Present) There are key concepts that I have to know and one of them is Realism and Naturalism. I tried searching it but got information not during the time period spec...

chem
What is the isotope of neon that contains 11 neutrons?

chem
i got it!

chem
what is a potential energy curve and how do you know where to label Ea, and ƒ´H??

chem
Citric acid, the compound responsible for the sour taste of lemons, has the following elemental composition: C, 37.51%; H, 4.20%; O, 58.29%. Calculate the empirical formula of citric acid. so i did that and got C6H8O7 but now i need to find the molecular formula and i know you...

chem
What amperage is required to plate out 0.315 mol Cr from a Cr3+ solution in a period of 9.00 hr? im writing the conversions and i started with 9hr -> seconds but where do i go from the seconds to the moles of Cr? i know that we have to use for every mole of Cr there are 3 m...

Math/Algebra
Simplify this expression... x^2-9/x^3-3x^2

Math/algebra
Simplify this expression.. x^2-5x/5x-25

math
Jane and Kathy are playing a game of marbles. In each game the loser gives the other girl a marble. When they are finished Jane had won 15 times and Kathy had 22 more marbles than wen she had started . How many games did they play?

Calculus
I;m sorry, I did not state that very well. I'm still new to calculus. I think I have figured it out. Thank you for responding anyway.

Calculus
For a class project, I have been asked to find the volume of the area bounded by two functions, with cross sections of equilateral triangles. The two functions in question are y = xsinx y = -xsinx , And I need to find the volume that would result if the cross sections were equ...

finance
A Canadian exporter, Victoria Exports, will be receiving six payments of €10,000, ranging from now to 12 months in the future. Since the company keeps cash balances in both Canadian dollars and US dollars, it can choose which currency to change the euros to at the end of ...

finance
The owners’ equity accounts for Octagon Transnational are as follows: Common Stock [$2 par value] $20,000 Capital Surplus 360,000 Retained Earnings 1,173,000 Total owners’ equity $1,553,000 a. If Octagon’s stock currently sells for $50 per share and Octagon decl...

finance
Assume that the export price of a Nissan XTerra from Osaka, Japan is ¥3,750,000. The exchange rate is ¥121.84/$. The forecast rate of inflation in the United States is 2.8% per year and is 0.6% in Japan. a. What is the export price of the XTerra at the beginning of the...

finance
Delphi is the US-based automotive parts supplier that was spun off from General Motors in 2000. With annual sales of over $26 billion, the company has expanded its markets far beyond the traditional automobile manufacturers in the pursuit of a more diversified sales base. As p...

finance
Farah Jeans of San Antonio, Texas is completing a new assembly plant near Guatemala City. A final construction payment of Q8,400,000 is due in six months [“Q” is the symbol for Guatemalan quetzals]. Farah uses 20% per annum as its weighted average cost of capital. To...

Finance
Dzell Printers, Inc. (DZ) of the United States exports computer printers to Brazil, whose currency, the reais (symbol R$) has been trading at R$3.30/US$. Exports to Brazil are currently 100,000 printers per year at the reais equivalent of $140 each. A strong rumor exists that ...

psychology
answer man's answer was correct! i just tried it! dont hesitant to put his answer bc its right :)

Econ/statistics
The monthly earnings of teachers is normally distributed with a mean of $3,000 and the standard deviation of $250. We select a sample of 87 teachers. The sampling distribution of the sample mean has an expected value and standard deviation of: a.) 3,000 and 26.8 b.) 3,000 and ...

Statistics
1. In thinking about doing statistical analysis, the sample mean should be interpreted as: A.)a constant value that is equal to the population mean. B.) a constant value that is approximately equal to the population mean. C.) a random variable that is approximately equal to th...

Biology
4 regulation

math
An airplane is 34 ground miles from the end of the runway and 6 miles high when it begins its approach to the airport. To the nearest mile,what is the distance from the airplane to the end of the runway?

math
a 20 foot ladder leaning against a building makes and angle of 60 degrees with the ground. How far from the base of the building is the foot of the ladder?

Physics
A crowbar is used to wrench open a wooden crate. The crowbar is situated so that a point 8 cm from the end digging into the box acts as a pivot point. The crobar is gripped on the other side, 29 cm away from the pivot. If the person exerts a force of 110 lbs on the crobar, how...

Physics
A crowbar is used to wrench open a wooden crate. The crowbar is situated so that a point 4 cm from the end digging into the box acts as a pivot point. The crobar is gripped on the other side, 35 cm away from the pivot. If the person exerts a force of 114 lbs on the crobar, how...

Physics
A woman is standing on the middle of a ladder that leans up against a building, with an angle of 56 degrees from the ground. The wall is very slippery and the ladder is very light. What is the minimum coefficient of friction needed between the ground and the ladder so that th...

algebra
i forgot how to convert a decimals to a fractions, can u help me solve this: 0.14 percent: 14% fraction: ?

Physics
Step One: Convert rpm to radians per second (12 rpm)(2pi rad/1rev)(1min/60s) = 1.26 rad/s = w Step Two: Determine the Angular Acceleration w = alpha t + w 1.26 rad/s = alpha (9.0 s) + 0 Alpha = 0.140 Step Three: Determine the moment of inertia of the disk and children Moment o...

Physics
Step One: Convert rpm to radians per second (12 rpm)(2pi rad/1rev)(1min/60s) = 1.26 rad/s = w Step Two: Determine the Angular Acceleration w = alpha t + w 1.26 rad/s = alpha (9.0 s) + 0 Alpha = 0.140 Step Three: Determine the moment of inertia of the disk and children Moment o...

Physics
Step One: Convert rpm to radians per second (12 rpm)(2pi rad/1rev)(1min/60s) = 1.26 rad/s = w Step Two: Determine the Angular Acceleration w = alpha t + w 1.26 rad/s = alpha (9.0 s) + 0 Alpha = 0.140 Step Three: Determine the moment of inertia of the disk and children Moment o...

object oriented programming
We want to define a class clockType, to implement the time of day in a program. The time is represented as a set of three integers: one to represent the hours, one to represent the minutes, and one to represent the seconds. We also want to perform the following operations on t...

Chemistry
If the amount of radioactive iodine-123 in a sample decreases from 0.8 g to 0.1 g in 36.2 hours, what is the half-life of iodine-123

Computers
I have project i need your help. this is the Project Description In this project, you will design a complete arithmetic unit of a microprocessor which can do addition, subtraction, multiplication, and division of two 2-bit binary numbers (A1A0 and B1B0). Using a 2x4 decoder wh...

chemistry
Find te Yield of Carbon Dioxide in an Alkaseltzer Reaction. Equation: HCH3COO (Acetic Acid)+ NaHCO3 (Sodium Bicarbonate) -> NaCH3COO+ H20 (water)+ CO2 (Carbon Dioxide) So i know to find the Yield its Actual Yield / Theoretical Yield. How do i find the Theoretical Yield and ...

calculus
sectin 20 what about you?

calculus
thank you alot for your help I was really worried because i have to submit the answer tomorrow and i could not do any thing without your help thank you again

calculus
please can you give me an example?

calculus
Is it possible to find an example of a bounded region in the x, y plane that satisfies the following condition : when you revolve the region about the x axis you obtain a solid that has a volume equals its surface area

calculus
yes he does not care about the unit he just want the value using integration

calculus
Is it possible to find an example of a bounded region in the x, y plane that satisfies the following condition : when you revolve the region about the x axis you obtain a solid that has a volume equals its surface area

math!
Ohhhh ok I get it now.....so if you had a percent of decrease problem you would to the same thing but divide right?

math!
No my teacher said he thought it was like 6 out of 20

math!
Frank had a pretest score of 6, what must his posttest score be for his percent of increase to be 50 percent?

English
How would you describe this question?

L.A. homework
I need help with rewriting the final stanza (before the italized ones) of The Highwayman.

calculus
log (3x-9) = 2log3 - log27+ log(x+3) Solving the euqation using the properties of logarithms How do you do this?

physics
Suppose that 90 g of hot water at a temperature of 75 degrees C is poured into a cavity in a very large block of ice at 0 degrees C. (a) What will be the final temperature of the water in the cavity? (b) What mass of ice must melt in order for the water to cool down to the tem...

geometry
Find the volume of a rectangular solid with the following dimensions: 2ã3 cm x 7ã5 cm x 4ã6 cm.

Physics
When throwing a ball, a pitcher exerts a torque of 150 N m for 0.15 seconds onto their arm before letting go of the ball. With an arm length of 0.9 m with inertia 0.6 kg m2, what is the speed of the ball just after it is released?

Math
can you figure out this problem? 10c+c(c-4)

Chemistry
158.5 mL of a AgNO3 solution at 5.0M was combined with a 3.5M CaCl2 solution. 110.5g of AgCl was recovered. Given that the CaCl2 is the limiting reagent, how many milliliters of the 3.5M CaCl2 solution was used?

Chemistry
A solution is prepared with 50.0 g of HNO3 and 130.0 g of H2O. It has a density of 1.21 g/mL. What is the mass/volume percent?

Chemistry
Label the following reactions as combination, decomposition, displacement, precipitation, or acid-base reaction. Also whether each reaction is a redox or non redox reaction. SO2(g)+H2O(l)-> H2SO3(aq) NH3(aq)+HS(-)(aq)-> NH4(+)(aq)+S(2-) Na2O2(l)-> Na2O(l)+O2(g) 3S(2-)...

Chemistry
A solution is prepared with 50.0g of HNO3 and 130.0g of H2O. It has a density of 1.21g/mL. What is the total volume (mL) of the solution?

algebra
What is the positive difference in the sums of the letters in the words MATH and COUNTS, if each letter is assigned a value as folows: A=1, B=-2, C=3, D=-4,..., Y=25, Z=-26?

algebra
A pair of emirps consists of two prime numbers such that reversing the digits of one number gives the other. How many pairs of two-digit emirps exist such that each number in the pair is greater than 11?

Chemistry
What is the molarity of the solution prepared by diluting 25.0ml of 0.220M NaCl to 75.0ml of final volume?( explain your steps)

Math
solve::: A=1/2(a+b)h

7th grade math
i could draw it, but i cannot write it. :( sorry...

accounting
Neer Department Store uses the retail inventory method to estimate its monthly ending inventories. The following information is available for two of its departments at August 31, 2011. Sporting Goods Jewelry and Cosmetics Cost Retail Cost Retail Net sales $1,000,000 $1,160,000...

To Ms. Sue
Ms. Sue could you please read my essay and tell me if it's good? I don't have time to rewrite it, would just like to know your opinion about it.

Essay- Added a bit more
If you could just change my conclusion a bit, I would really appreciate that.

Essay- Added a bit more
I don't have time to rewrite all this as it is due tomorrow. I'll just stick with what I have.

Essay- Added a bit more
Im doing an essay and this is the format for it. Intro of 5 or more sentences, where you introduce your thesis statement (that which you will be writing about - in the form of a statement, or point of view) Two or three paragraphs, of about 8-10 sentences each, where you suppo...

Essay - Changed some things
Im doing an essay and this is the format for it. Intro of 5 or more sentences, where you introduce your thesis statement(that which you will be writing about - in the form of a statement, or point of view) Two or three paragraphs, of about 8-10 sentences each, where you suppor...

Essay
Im doing an essay and this is the format for it. Intro of 5 or more sentences, where you introduce your thesis statement(that which you will be writing about - in the form of a statement, or point of view) Two or three paragraphs, of about 8-10 sentences each, where you suppor...

physics (Science)
If a bee flew 27 centimeters in 10 seconds what would its speed be?

Finance
ABC Mining is evaluating the introduction of a new ore production process. Two alter¬natives are available. Production Process A has an initial cost of $25,000, a 4-year life, and a $5,000 net salvage value, and the use of Process A will increase net cash flow by $13,000 p...

Geography
Thank you.

Geography
Why are there so many abandoned railway line in some states like Minnesota?

Geography
That would be prairie. Thank you for the help.

Geography
Flat grasslands would be the best

Geography
Where would be the best place to farm: a) Prairie b) Deciduous c) Conifers d) Swamps and Bogs

Math
A science museum requires 3 adult chaperones for every 15 students on a field trip. How many chaperones would be needed for a group of 125 students?

Algebra
7.7 divided by 1.4 = 5.5m

Algebra
7.7 divided by 1.4 = 5.5m

Physics
Two cars crash into each other at an intersection on a very icy road. One 3,000 lb car is traveling 45 mph NW. The other, weighing 2,000 lb, is traveling 30 mph E. After the collision, their bumpers lock together. What is the velocity of the wreck as it slides off the road ?

Physics
A cylindrical copper cable carries a current of 1070 A. There is a potential difference of 1.6 10-2 V between two points on the cable that are 0.22 m apart. What is the radius of the cable?

english
is experimenting a subject or predict nominative

grammar
what is the adverb in the following sentence?: I've never seen such a beautiful sight.

Ms. Sue
Ms. Sue Im going to do a biography on a well known person from Victorian era. Or anything like that. Like the first chapter was Colonies in the wildnerness, and then the second chapter was Building a nation. Im trying to look for a well known famous person in those times, that...

chem
thanks:)

chem
What mass of NaCl is required to precipitate all the silver ions from 19.2 mL of 0.100 M AgNO3 solution?

social studies
Rhode Island

social studies
How did the industrial revolution affect ri today

physics
need to know mass and acceleration of a 30.5 bloch connected to an empty 1.00kg bucket by cord running over a frictionless pulley coefficient of static friction between table and block is 0.405 and coeff. of kinetic frict. between the table and the block is 0.320 adding sand g...

maths
which one of these numbers 9,15,25,45,50,64,100,125,175 has a cube root of 5

physics
A dock worker loading crates on a ship finds that a 25 kg crate, initially at rest on a hori- zontal surface, requires a 90 N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 51 N is required to keep it moving with a constant s...

physics
A 5.4 kg block slides down an inclined plane that makes an angle of 38 with the horizontal. Starting from rest, the block slides a distance of 2.5 m in 5.3 s. The acceleration of gravity is 9.81 m/s2 . Find the coefficient of kinetic friction be- tween the block and plane.

Socials
Then how does that work out on the first question? It says nothing about the values and beliefs. So they werent allowed to play a role, by socializing, they spread their words right?

Socials
Yes they did. Although the delegates to the Charlottetown and Quebec conferences were men, they were accompanied by their families. Unofficial activities included banquets and parties. It doesnt say anything about them playing a role in the negotiations, the natives were absen...

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