Questions Asked on
November 27, 2013

precalc help
Convert the rectangular coordinates to polar coordinates with r > 0 and 0 ≤ θ < 2π. (9, −9) (r, θ) = ?
asked by Anonymous 
trig.
a person standing 100ft. from the base of the tree looks up to the top of the tree with an angle of elevation of 52. assuming that the persons eyes are 5ft above ground the ground how tall is the tree?
asked by maria 
history
1. “An individual who breaks a law that conscience tells him is unjust, and who willingly accepts the penalty of imprisonment in order to arouse the conscience of the community over its injustice, is in reality expressing the highest respect for the
asked by mary ann 
English
Rewrite the sentences using nouns to replace the phrases in italics. Example: She writes books for a living. She is a writer. 1. Emma loves being a mother. .................................... 2. Having friends is the most important thing for Pepe.
asked by Adam 
Math
verify the identity (1cosx)/(sinx)+(sinx)/(1cosx)=2cscx Thank you!
asked by Anonymous 
Calculus  Definite Intergrals
Find the consumers' surplus and producers' surplus for p = D(x) = 71  (1/10)x and p = S(x) = 35 + (1/20)x
asked by Cally 
Statistics
A statistics professor plans her classes so carefully that the lengths of her class are uniformly distributed between 46.0 and 56.0 minutes. Find the probablity that given class period runs less than 51.75 minutes
asked by Jamie 
introduction to health care
the view that a patient is an independent actor is known as a.social justice b.autonomy c.the subject standard d.the objective standard my answer is a
asked by susue 
English
Identify simple subject and simple predicate in each 1 The elderly patient's deep venous thrombosis was treated with Coumadin. 2 The neurologic exam tested her Babinski reflex. 3 There are children waiting in the lobby. 4 After being examined and
asked by Fran 
german
When a modal is used with another verb, where is the other verb placed in the sentence? at the beginning directly after the modal at the end directly after the subject
asked by orpheus 
science
When molecules of water vapor in the air come into contact with a cold can of soft drink, they lose energy, slow down, and form a liquid due to a increase in _ ? I don't really know this one PLEASE HELP?
asked by S.O.S Ms. Sue 
introduction to health care
a new technology that will change the role of the transcriptionist is a.speech recognition b.desktop transcription systems c.smards cards d.personal digital assistants my answer is d
asked by susue 
probability
A company ships computer components in boxes that contain 20 items. Assume that the probability of a defective computer component is 0.2. Find the probability that the first defect is found in the seventh component tested. Round your answer to four decimal
asked by GIBSON 
math ergent please...
10.a)Solve the inequality x^35x^2+2x+8
asked by kavi 
English
What does diverge mean in the following sentence? After traveling approximately 3.5 miles, the old highway will diverge. Stay in the left lane and follow until you see the new mall. a. the highway will end. b. the highway will divide into two lanes that go
asked by Anonymous 
English
Describe these words using only Three words:radiator,stairs,fire,torch,teacher,school,rabbit,comb,radio,football,camera,toaster...
asked by Kina 
AP Chemistry
A mixture consisting of 1 mol of H2O(g) and 1 mol CO(g) is placed in a 11 L reaction vessel at 800 K. At equilibrium, 0.422 mol CO2(g) is present as a result of the reaction CO(g) + H2O(g)CO2(g) + H2(g). What is Kc at 800 K?
asked by Gabriella 
Math Help!
Determine whether the relation is a function. {(4, 9), (4, 9), (2, 3), (10, 5)}
asked by Lori 
law
How does the structure of the court determine the role of the defense lawyer?
asked by joanna 
sociology
Which sociologist showed that deviance exists in all societies, even those that treat members equally? A. Émile Durkheim B. Fredrick Engels C. Karl Marx D. Max Weber i'm stuck on this answer. i'm guessing it's not marx but it could be any of the other
asked by orpheus 
electrical
A load cell consists of a solid cylinder of steel 40 mm diameter with four strain gauges bondedto it and connected into the four arms of a voltagesensitive bridge. the gaugesare mounted to have poisson's arrangement. if the gauges are each of 100
asked by Sarsi 
trigonometry
find cos(θ)ˏsin(θ)ˏtan(θ), if cot (2θ)=5/12 with 0≤2θ≤π  
asked by Anonymous 
English
Posted by rfvv on Tuesday, November 26, 2013 at 6:56am. a statement about what will happen in the future (What is the part of speech of 'what'? Is 'what' an interrogative pronoun or a relative pronoun?) English  Writeacher, Tuesday, November 26, 2013 at
asked by rfvv 
algebra 1
Look at the pattern that follows. Which expression represents this pattern algebraically? 8, 17, 26, 35, 44, …
asked by mark 
math
the ratio of the number of desktop computers sold to the number of laptops sold by a dealer is 5 to 9 if 20 desktop computers were sold then how many laptops wree sold?
asked by John Dosley 
science
what physical components do the sun and earth have in common ? a) core and mantle b) core and atmosphere c) crust and atmosphere d) mantle and crust
asked by victoria 
science
what outer planet is known for having visible clouds in its atmosphere ? a)Uranus b)Neptune c)Saturn d)Jupiter
asked by victoria 
Math
What would 64x6^4 equal in simplest form?
asked by Nicole 
Algebra
A man invested $15,000. Part of the investment was put into an account that gave 7%, and part in an account that paid 6.5%. The interest earned was 1,520. How much was invested into each account?
asked by Paul 
science
how do I make a presentation?
asked by Ronald 
psychology270
How do I show a presentation on Unipolar and Bipolar Depression?
asked by Ronald 
algebra
18x6=13x+9
asked by Anonymous 
poetry
Could you help me answer these questions using William Cullen Bryant's poem, "The Prairies?" Thank you so much! I've attached a link to the poem. The poem text is widely available online if you just google the title/author Here are the questions I am
asked by Bob 
economics
How Does Public Capital Affect a Nations Curve?
asked by Whosay 
math
The third set of differences of a function is constant and negative. Identify the type of function, its domain, range and key features of its graph.
asked by Miss K 
Physical Science
How many compounds are in potassium sulfide (K2S)?
asked by Talha 
Physical Science
Do metalloids have a complete outermost shell?
asked by Talha 
math
a) Complete the chart below to compare y=3(x+4)^22 to y=a[k(xd)]n +c. b) Describe the effects of a, k, d and c on the original curve y=x^2. CHART (doing my best to make a chart) y=x^2 / y=3x^2 / y=3(x+4)^22  /  /  / / (2,4)
asked by Miss K 
math
Consider the function f(x)= 3 . x^225 a) Determine any restrictions on x. b) State the domain and range. c) State equation(s) for the asymptote(s). d) Determine any x and yintercepts. e) Sketch a graph of the function. f) Describe the behaviour of
asked by karthi 
quick english help
in which sentence is the underlined infinitive or infinitive phrase function as a direct object? c. After all that exercise, the runners needed *to drink water*. d.Just as the mayor was about *to give an award*, it began raining. I would say its d?
asked by Ke$ha 
Math
4x3y=5 Solve { 5y+7=3x using the method of elimination.
asked by Jeff 
english
5. Read the following passage from “The Snake Chief”: Now in that part of Africa it was unheard of for a bride to go to her wedding without a host of friends and relations all singing and dancing for joy. So the father was astonished when his daughter
asked by Anonymous 
need help asap
Which of the following is greater than 0.366? Put 0.367, 36.5%, and nine over twentyfive in order from least to greatest.
asked by Miley23 
Physics Classical Mechanics
A metal meter stick made of steel rotates about its midpoint. The angular speed is slowly increased. At what value of the angular speed will the stick break apart at the center? Give your answer in rad/s. Hint: find a relationshop between the maximum
asked by Anonymous 
Physics Classical Mechanics
A stick of length l = 65.0 cm rests against a wall. The coefficient of static friction between stick and the wall and between the stick and the floor are equal. The stick will slip off the wall if placed at an angle greater than θ = 39.0 degrees. What is
asked by Anonymous 
Physics Classical Mechanics
Three smooth balls of iron of mass m and radius R are placed inside a tube of diameter 3R (see Figure). Find the magnitude of the forces (A, B, C and D) exerted by the sides of the container on each ball. Write your answers in terms of m, g and R. A= B= C=
asked by Anonymous 
Physics Classical Mechanics
A long rod hangs straight down from one end. How long (in meters) can the rod be before its weight causes it to break off at the end if it is made of iron? titanium? Give your answer in meters. Use the following values for densities and tensile strengths:
asked by Anonymous 
math
calculate: V = 227000 * 1090 + 8500000 * 70.70 + 447000 * 80.70 = ?
asked by Serenity1 
math
I need help solving these: A) 8500000 * 70.70 / 884452900 B) 447000 * 80.70 / 884452900 C) 227000 * 1090 / 884452900
asked by Serenity1 
math
If the bill is 26.14 and there is a 3% discount what is the answer after 6% sales tax is added?
asked by coder5 
Physical Science
Which of the following is a balanced equation? a. A1 + CuSO4= Cu + A12 (SO4)3 b. 2 A1 + CuSO4 = Cu + A12 (SO4)3 c. A1 + 3 CuSO4 = 2 Cu + A12 (SO4)3 d. 2 A1 + 3 CuSO4 = 3 Cu + A12 (SO4)3
asked by Talha 
Biochemistry Gel Electrophoresis
In Agarose gel electrophoresis, what may have occurred if all the sample lanes showed the same bands? Lane 1 is using EcoRI as restriction enzyme, lane 2 is using BamHI as restriction enzyme and lane 3 uses both the restriction enzymes. Thanks in advance!
asked by Tay.. PLEASE HELP :) 
English
In which of the sentences is only the simple subject in quotes? a. The train "conductor" of the Texas Flyer presented at our community meeting. b. "The first singer in the lineup" wore a red formal dress. c. "Mary's Whole Food" Store in Oklahoma City
asked by Anonymous 
AP Chemistry
At a certain temperature, the equilibrium constant Kc is 0.154 for the reaction 2SO2(g) + O2(g) 2SO3(g) What concentration of SO3 would be in equilibrium with 0.250 moles of SO2 and 0.885 moles of O2 in a 1.00 liter container at this temperature? Note:
asked by Gabriella 
AP Chemistry
At 350 K, Kc= 0.142 for the reaction 2BrCl(g) Br2(g) + Cl2(g) An equilibrium mixture at this temperature contains equal concentrations of bromine and chlorine, 0.049 mol/L. What is the equilibrium concentration of BrCl? Answer in units of M
asked by Gabriella 
AP Chemistry
The equilibrium constant for the reaction PCl3(g) + Cl2(g) PCl5(g) is 35000 at 760◦C. At equilibrium, the partial pressure of PCl5 was 110 bar and that of PCl3 was 9.98 bar. Calculate the equilibrium partial pressure of Cl2. Answer in units of bar
asked by Gabriella 
Physics
Traveling in the city its faster to take a bicycle than a bus, one reason for this is that a bike can accelerate faster than a bus. Let’s say a Bike and bus both stopped at a red light and both takes off an exact same time when the light turns green. The
asked by Emily 
MATHS
The storekeeper found that if he removed the apples from his box either 2,3,4,5 or 6 at a time there was always one left over. However, if he removed the apples 7 at a time there was no apples left. If the box holds 500 apples, how many apples does the
asked by LARA 
maths
what is 6.24 times greater than 12
asked by titilope 
To Anonymous re Behavioural Economics in Action
I have removed your post ... your entire test or homework or whatever it was. No one here will do your work for you, but if you go through this and answer these questions yourself ... and post no more than 5 that you aren't sure of, someone may be able to
asked by Writeacher 
Chemistry
Is oxygen considered an diatomic molecule?
asked by Lana Del Rey 
Calculus
Find the consumers' surplus and the producers' surplus at the equilibrium price level for the given pricedemand and price supply equations. p = D(x) = 170e^0.001x p = S(x) = 35e^0.001x a) The value of x at the equilibrium is ___ b) The value of p at
asked by Cally 
math help
please help I need to write the equation in slopeintercept form y=4x3;(3,12)
asked by asia 
us hist
Which of the following occurred at Fort Sumter a. The Confederate commander refused to fire on the fort and had to be replaced b. Five Union protectors of the fort were killed c. The Confederacy shelled the fort for almost two days before its commander
asked by joe 
English
1. He behaved most carefully. 2. He behaved the most carefully. 3. He behaved very carefully. (Are they all grammatical? Does #1 mean #2 or #3? Thank you.)
asked by rfvv 
criminal justice
How does the structure of the court determine the role of the defense lawyer?
asked by patiance 
geometry
If angle 1 and angle 2 are vertical angles and measurement angle 1= 3x+17 and measurement angle 2= 4x34 what is measurement angle 1?
asked by Anonymous 
math
Fantasia Florist Shop purchases an order of imported roses with a list price of $2,375 less trade discounts of 15/20/20. What is the dollar amount of the trade discount? (Points : 2.5)
asked by katrina 
PreCalc
Please help me solve these two equations!! Divide and express as a polynomial: 12a^8b^5  9a^14b^15 + 6a^6b^10 _____________________________________ 3a^2b^5 Simplify: a/b  b/a __________ ab/b
asked by Maggie 
sociology
Marxism claims that social welfare agencies are really just organizations of A. social class. B. social control. C. social pride. D. social vanity.
asked by orpheus 
PHYSICS
The rms output voltage of an AC source is 210 V, and the operating frequency is 90 Hz. Write the equation giving the output voltage as a function of time t.
asked by Begging for help 
math
calculate: 31,760,000 / 1  0.0781 Need help.
asked by Serenity1 
math
please calculate: 67.95% * 9% + 27.98% * 5% + 4.08% * 7%
asked by Serenity1 
sociology
Which theory, in conjunction with labeling theory, tries to explain how people define deviance in situations in everyday life? A. conflict theory B. functionalism theory C. network theory D. symbolic interaction i cant find this in my vocabulary list so
asked by orpheus 
math
Aaron has a turkey farm. for every three male turkeys, he has 17 female turkeys. If he has 272 female turkeys, how many male turkeys does Aaron have? I did 3/17=x/272 17x/17=816/17 so x=48 Is this correct? Thanks for checking over my work
asked by B8 
English
What is the complete subject in the following sentence? The International Cowboy Association will meet the third Saturday of each month. a. The International Cowboy Association b. Cowboy Association c. the third Saturday of each month. A
asked by Anonymous 
physics
An object with mass 2.0kg is attached to a spring with spring stiffness constant 240N/m and is executing simple harmonic motion. When the object is 2.2Ã—10âˆ’2m from its equilibrium position, it is moving with a speed of 0.65m/s . Calculate the
asked by Dani 
math
the dimensions of Gina's dining room table are represented by (3x7) and (30x). Find the perimeter 0f the table in terms of x. I did (3x7)(x+30) 3x^2+90x+7x210 3x^2+97x210 Is this correct? Thanks for checking my work, I appreciate it
asked by B8 
precalc help
Solve the given equation. (Enter your answers as a commaseparated list. Let k be any integer. Round terms to three decimal places where appropriate. If there is no solution, enter NO SOLUTION.) 5 sin^2(x) 21 sin(x)+ 4 =0
asked by Kate 
physics
A violin string vibrates at 298 Hz when unfingered. At what frequency will it vibrate if it is fingered one sixth of the way down from the end?
asked by Dani 
precalc help
Convert the rectangular coordinates to polar coordinates with r > 0 and 0 ≤ θ < 2π. (9, −9) (r, θ) = ?
asked by Kate 
Math  Trig
1. Find the altitude of an isocles triangle having base 184.2 cm if the angle opposite the base is 68deg 44' 2. A 13.5m fire truck ladder is leaning against a wall. Find the distance d the ladder goes up the wall (above the top of the fire truck) if the
asked by McKenna Louise 
Math  Trig
1. Given that points S and R on opposite sides of a lake, triangle SRT is formed. To find the distance RS across the lake, a surveyor lays off RT = 53.1 m, with angle T = 32deg 10' and anagle S = 57deg 50'. Find length RS.
asked by McKenna Louise 
physics
Black hole in XRay Binary. An Xray binary consists of 2 stars with masses (the accreting compact object) and (the donor). The orbits are circular with radii and centered on the center of mass. (a) Find the orbital period of the binary following the
asked by Greco 
Probability and Statistics
The proportion of adults living in a small town who are college graduates is estimated to be p = 0.6. To test this hypothesis, a random sample of 15 adults is selected. If the number of college graduates in the sample is anywhere from 6 to 12, we shall not
asked by Katy 
trig
find cos(θ)ˏsin(θ)ˏtan(θ), if cot (2θ)=5/12 with 0≤2θ≤π Answer this Que
asked by Anonymous 
physics
Consider the earth following its nearly circular orbit (dashed curve) about the sun.(Figure 2) The earth has mass mearth=5.98×1024kg and the sun has mass msun=1.99×1030kg. They are separated, center to center, by r=93millionmiles=150millionkm.
asked by Anonymous 
science
caco3 + kno3 =0.301g resalt soild 0.197g co2:o2 ?
asked by sangeetha 
Chemistry
6. Explain how you would prepare this solution from powdered reagents and whatever glassware you needed: 3.0 L of 1.3 M NaOH
asked by Gregory 
Calculus
S=Integral xdx/sqrt(x1). I have proceeded thus Put sqrt(x1)=u then x=u^2+1 and dx/sqrt(x1)=2du. S=(u^2+1)2du/u =(2u+2/u)du=u^2+2 log u +C =(x1)+ 2 log sqrt(x1)=(x1)+log(x1)+C Required answer is 2/3*(x+2)sqrt(x1)+C Have I proceeded correctly and if
asked by MS 
MathAlgebra
If a varies inversely as b, and b is increased by 50%, what is the percentage of change in a?
asked by McKenna Louise 
Chemistry
How many moles in 0.7g of SO2 ..and how would you do this! Thanks
asked by Laura 
Chemistry
What is 0.7g of SO2 ..and how would you do this equation? Thanks,
asked by Laura 
English
1. Ann commanded/ordered that he (should) go there. 2. Ann suggested/proposed that he should join the club. 3. Ann insisted that he (should) wash the car. 4. Ann requested that he (should) go see a doctor. 5. Ann decided/determined that he (should) go to
asked by rfvv 
introduction to health care
the term universal in the canda health act means that a.all canadiands must pay into the system b.all residents of a given province are covered under that's provinces health care plan c.a Canadian resident can be covered by the health care plan of the
asked by susue