Wednesday

September 28, 2016
Number of results: 68,465

**chemistry**

Given an approximate wavenumber of 2000cm-1 for CN, calculate the approximate force constant for a single bond. i used the formula v= (1/2(pi)c) * sqrt(k/u) where pi is 3.14, c is the speed of light, k is the force constant and u=mu, which is the reduced mass. i got a value of...

*February 28, 2014 by wavenumbers & force constant*

**sociology**

Give four examples of social movements, current or past, and describe the key features of each movement. I am not sure what I am looking for but see If I am on the right track please Gay and Lesbian Rights Movement is to help gain civil right for people that want to take same ...

*February 12, 2008 by RAY*

**Chemistry**

Hi, This is one of my chem hw problems. Does anyone have links to websites that might help me solve this..or equations? It sounds like there are two parts to the question but I'm not sure. Volts and Joules? 1. Electrons are used to determine the structure of crystal surfaces. ...

*October 27, 2008 by Anne*

**south carolina state history**

Which statement explains why public education suffered during reconstruction? A) the state preferred private education to public educatioin. B) teachers were not properly trained to do their jobs effectively.**** THIS ONE? C) the general public cared more about recovering from...

*March 29, 2014 by Runtafus*

**social studies**

The following, except one, were reasons for the flood of immigrants in the 1840's: a. "American letters" b. a desire to retain the religion of their fathers c. speedy shipping d. the collapse of the Continental revolutions i'm pretty sure the answer is b. By 1860, religion in ...

*November 9, 2008 by casey*

**Chemistry**

5. The products are the materials used in the reaction.- T? 28. Alloys are a. elements b. compounds c. mixtures A 30. An example of a colloid solution is a. salt water b. dirt mixed with water c. smog C 31. Gases dissolve better a. when pressure is increased b. when ...

*October 30, 2010 by mysterychicken*

**science**

My son had this assignment and it is totally confusing to me. This is the info provided: 4.5-V lightbulb and 3 batteries that are 1.5 V each Knowing Ohm's law: voltage (in volts) =current (in amps) x resistance (in ohms) or V=IR. Determine in which circuit the voltage was the ...

*April 17, 2012 by m*

**HISTORY**

Brigham Young B. was killed by a lynch mob in Illinois in 1844 C.led slave revolt in Virginia in 1831 D.led the Mormons to their settlement in Utah E.wrote the golden tablets which became the basis for the Mormon faith I'd say D An additional factor isolating many Irish ...

*November 2, 2014 by Anonymous*

**Religion**

"The Ethics of Belief" by W.T Clifford. Write an essay that describes his attitude towards belief. Be sure to address the following issues: 1. why does Clifford say what we believe is not merely a private matter, but a moral issue? 2. What is morally permissible for us to ...

*March 4, 2015 by Marie*

**English **

The photo of the family in "At the Tourist Centre in Boston" is portrayed as unrealistic frightening beautiful true to life*** What is the tone of the following lines in "At the Tourist Centre in Boston? I seem to remember people, at least in the cities, also slush, machines ...

*September 14, 2016 by Fading*

**Algebra II**

Thomas can do a job in 4 hours. Julia can do the same job in 6 hours. How many hours will it take the two of them to do the job it they work together?

*March 8, 2008 by Lucy*

**Business**

What is cultural diversity? Why do managers need cultural diversity? Is cultural diversity present in your organization (work, school, church, etc.)? How?

*October 18, 2014 by Denise*

**math show work please**

1/(X+3)+4/(x+5)= 2/(x^2+8x+15) a. the solution set is b. the solution set is all real numbers c. the solution set is empty

*November 25, 2014 by wally*

**writing**

When writing a essay. How many spaces after a . after , "Is this correct".

*September 15, 2008 by olivia*

**Intermediate Algebra Simplify**

Simplify: -225 / 15 - 7^2 / 6(-4)-3(-8) = -225 / 15 -49 / -24 - 24 = -15 - 49 / -48 = -64 / -48 = 1 1/3 = 4/3 Is this correct?

*January 18, 2009 by Jennifer*

**math**

find the slope and the y-intercept f(x)=-7x-2 the slope is -7 the y-intercept is(0,-2) is this correct?

*June 29, 2009 by jason*

**English**

1. Are you finished cleaning? 2. Are you finished with cleaning? (Which one is correct?)

*May 2, 2010 by rfvv*

**Math**

Correct the error in this equation: 6(2y+6)=4(9+3y) 12y+36=36+12y 12y=12y 0=0 y=0

*October 7, 2010 by Roger*

**English**

1. He is Arab. 2. He is Arabian. 3. He ia an Arab. 4. He is an Arabian. (Which one is correct?)

*March 3, 2011 by rfvv*

**simplest form**

write each fraction in simplest form 1) 24/32 = 3/4 2) 18/27 = 2/3 3) 33/39 = 11/13 4) 8/18 - 4/9 5) 16/28 = 4/7 6) 21/28 = 21/28 7) 18/30 = 3/5 8) 25/35 = 5/7 ARE THESE Correct?

*December 1, 2011 by marko*

**Grammar**

Hydrogen does not react with..... or Hydrogen does not react to........ Which is correct? Do I use with or to?

*October 21, 2012 by Anonymous*

**English**

1. She died of cancer. 2. She died from cancer. (Which one is correct?)

*September 17, 2013 by rfvv*

**Rather Urgent math~!**

1) 2(3x+5)=46 (1point) 4 5 6 7*** 2) 1/2x + 1/4x = 16 (1point) 16 21.3*** 32 64 3) 6-x-x=18 (1point) -6 6 9*** -9 4) 4x 3/5 = 2/5 (1point) 1/5*** 5/5 1/2 1/4 Am I correct???

*September 25, 2013 by Gabby*

**English**

1. I live in Texas, U.S.A. 2. I live in Texas, the U.S.A. -------------------------------- Which one is correct?

*March 17, 2014 by rfvv*

**MATH**

MY MATH PROBLM 7(x-2)= 7x+14 Answer 0 -10(x-1) = 10-10x Answer x=-1 AM I correct

*January 8, 2015 by RET*

**French**

Which sentence is correct? 1. J'ai anglais de matin. 2. J'ai anglais matin.

*February 14, 2015 by Anonymous*

**English**

Which sentence is correct? It is a coupon to that store. It is a coupon for that store.

*March 12, 2015 by Anonymous*

**Math or Maths???**

Which word is correct to use? Math or Maths?

*August 28, 2016 by A GOODSTUDENT*

**Calculus**

If f(3)=−3, g(3)=9, f′(3)=1, and g′(3)=2, Find (f/(f−g))′(3).

*March 14, 2013 by Travis*

**Calculus**

Let f(x)=(x/x+3). Find Domain Find f^(-1) and its domain Verify f*f^(-1)=f^(-1)*f=x Find (f(x+h)-f(x))/h.

*January 8, 2014 by Clarita*

**calculus**

use the following tables for f(x)and g(x), and just fill in the tables shown below: Use the following two tables: x 0 1 2 3 4 5 y=g(x) 9 2 15 1 11 14 And fill in the following table: x 7 10 11 y=g(x-6) a b c A= B= C=

*September 21, 2010 by anonymous*

**calculus**

Find the dimensions of the rectangle with area 256 square inches that has minimum perimeter, and then find the minimum perimeter. Dimensions: Minimum Perimeter:

*April 20, 2012 by casidhe*

**Calculus**

Find arc length of y=logx from x=1 to x=2. dy/dx)^2=1/x^2 arc length=Int of [sqrt(1+1/x^2)]dx =Int of [sqrt(1+x^2)/x^2] =Int of [sqrt(1+x^2)]/x from x=1 to x=2. How to proceed further to integrate?

*September 12, 2013 by MS*

**Please check my maths?**

How should i do this question?? it says: find the equation of the tangent to the curve y=(x-2)^3 at the point (3,1). calculate the coordinates of the point where this tangent meets the curve again. I know how to get the first part, if i'm not wrong, it's y = 3x - 8 but no ...

*June 19, 2009 by holly*

**Probabilty**

There is a large jar of marbles, containing red, blue, yellow, black and white marbles. How many marbles must you draw(without looking) from the jar to be sure of getting at least three of one color? I have a similar question with socks: 10 white, 6 black, how many drawn for ...

*June 24, 2010 by Melisa*

**english**

does being shy effects my career path, communication, and... what to know does it effect my life i think it effect my life just want to make sure and aslo i need one more on how being shy can effect my life cause i need three and i got only two sorry for asking so many ...

*November 16, 2010 by unknown*

**Math**

Instructions Suppose we have a sequence (1), (2, 3), (4, 5, 6). (7, 8, 9, 10), (11, 12, 13, 14, 15), ... where (1) is the first element of the sequence, (2, 3) is the second, etc. What is the first number in the 100th element of the sequence? Be sure to do more than answer the...

*February 9, 2013 by Stinkrat*

**Chemistry: Potentiometric Anyalysis**

If the pH probe was miscalibrated and reports the pH to be 1 unit higher than the true pH of the solution it is in, would the molar mass you report for the solid acid be higher, lower, or equal to the true molar mass of the acid? This for my post lab write up. I think that the...

*April 14, 2015 by Michelle*

**Pre-Calculus**

Prove that each equation is an identity. I tried to do the problems, but I am stuck. 1. cos^4 t-sin^4 t=1-2sin^2 t 2. 1/cos s= csc^2 s - csc s cot s 3. (cos x/ sec x -1)- (cos x/ tan^2x)=cot^2 x 4. sin^3 z cos^2 z= sin^3 z - sin^5 z

*October 31, 2013 by Anonymous*

**English Expressions**

What time is you last class? At five past two p.m. At five after two p.m. At two five p.m. At 2:05 p.m. -------------------------- Are the answers all correct?

*April 12, 2008 by John*

**Math - horizontal asymptote of f(x) (check)**

What is the horizontal asymptote of f(x)=x/(x-1)^2 It is supposed to be y=0 but then I even know that b/d is the horizontal asymptote, in this since there is no b, it would be 0/1 which is 0 is the above reasoning correct?

*October 28, 2010 by Anonymous*

**college math**

combine like terms (simplify) 11/14a - 1/15b + 1/14a - 11/15b would the correct answer be 12/14a + 10/15b

*June 9, 2012 by Lourane*

**Calculus**

I need to find the slope of the graph of the function at the given point. Function: f(theta)=4sin(theta)-(theta) Point: (0,0) I tried finding the derivative of the function at theta=0, but I got 0 for an answer. I checked the answer in the back of my book and it is 3. I just ...

*September 3, 2007 by Corin*

**Hard Calculus**

The gravitational force, F, on a rocket at a distance, r, from the center of the earth is given by F=k/r^2 where k = 10^13 newton km2. When the rocket is 10^4 km from the center of the earth, it is moving away at 0.2 km/sec. How fast is the gravitational force changing at ...

*November 9, 2008 by George*

**Pre-Calculus**

The population of a particular type of bacteria doubles in number every 12 hours. a)if there are 8 bcteria initially, write an equation that models the number of bacteria present after x 12 hours. b)How many bacteria will be present after 5 days? by using this formula N(t)=N0(...

*December 21, 2009 by Amy*

**Calculus**

A lemon tree nursery usually sells a certain breed after 4 years of growth and shaping.the growth rate is approximated by: dh/dt =2.4t+3 where t is time in years and h is the height in cm. suppose that seedlings are 10 cm tall when planted (at t=0) a) find the height after t ...

*April 1, 2012 by Anonymous*

**Calculus**

A lemon tree nursery usually sells a certain breed after 4 years of growth and shaping.the growth rate is approximated by: dh/dt =2.4t+3 where t is time in years and h is the height in cm. suppose that seedlings are 10 cm tall when planted (at t=0) a) find the height after t ...

*April 1, 2012 by Anonymous*

**Calculus**

The present value of a building in the downtown area is given by the function P(t) = 300,000e^-0.09t+t/2 f or 0 t 10 Find the optimal present value of the building. (Hint: Use a graphing utility to graph the function, P(t), and find the value of t0 that gives a point ...

*April 11, 2013 by Deeno*

**Calculus**

The present value of a building in the downtown area is given by the function P(t) = 300,000e^-0.09t+t/2 f or 0 t 10 Find the optimal present value of the building. (Hint: Use a graphing utility to graph the function, P(t), and find the value of t0 that gives a point ...

*April 11, 2013 by Deeno*

**Calculus**

The present value of a building in the downtown area is given by the function p(t) = 300,000e^-0.09t+t/2 f or 0 _< t _< 10 Find the optimal present value of the building. (Hint: Use a graphing utility to graph the function, P(t), and find the value of t0 that gives a ...

*April 12, 2013 by Deeno*

**Calculus**

The present value of a building in the downtown area is given by the function p(t) = 300,000e^-0.09t+(t)/2 f or 0 _< t _< 10 Find the optimal present value of the building. (Hint: Use a graphing utility to graph the function, P(t), and find the value of t0 that gives a ...

*April 12, 2013 by Deeno*

**Calculus**

The present value of a building in the downtown area is given by the function p(t) = 300,000e^-0.09t+(t)/2 f or 0 _< t _< 10 Find the optimal present value of the building. (Hint: Use a graphing utility to graph the function, P(t), and find the value of t0 that gives a ...

*April 12, 2013 by Deeno*

**Calculus**

The present value of a building in the downtown area is given by the function p(t) = 300,000e^-0.09t+(t)/2 f or 0 _< t _< 10 Find the optimal present value of the building. (Hint: Use a graphing utility to graph the function, P(t), and find the value of t0 that gives a ...

*April 14, 2013 by Deeno*

**calculus**

A cooling tower for a nuclear reactor is to be constructed in the shape of a hyperboloid of one sheet. The diameter at the base is 260 m and the minimum diameter, 500 m above the base, is 200 m. Find an equation for the tower. (Assume the center is at the origin with axis the ...

*July 8, 2013 by Ana*

**calculus**

A cooling tower for a nuclear reactor is to be constructed in the shape of a hyperboloid of one sheet. The diameter at the base is 260 m and the minimum diameter, 500 m above the base, is 200 m. Find an equation for the tower. (Assume the center is at the origin with axis the ...

*July 8, 2013 by Ana*

**calculus 1**

A rock is dropped off the edge of the cliff and its distance S ( in feet ) from the top of the cliff after T seconds is S ( T ) = 16t^2. Assume the distance from the top ofthe cliff to the water below is 96ft Make a table of the average velocity and approximate the velocity at...

*January 27, 2015 by sky*

**calculus**

A rock is thrown upward with a speed of 48 feet per second from the edge of a cliff 400 feet above the ground. What is the speed of the rock when it hits the ground? Use acceleration due to gravity as 32 feet per second squared and approximate your answer to 3 decimal places.

*September 13, 2015 by Anonymous*

**Calculus**

A ball is thrown straight up from the top of a hill 30 feet high with an initial velocity of 72ft/sec. How high above level ground will the ball get? (Objects subjected to gravity adhere to s(t) = -16t^2 + v0t + so where s is the height of the object in feet v0 is the initial ...

*January 4, 2016 by Help*

**Science**

True or False Louisiana's delta region accumulates sediment slower than it is subsiding. Most urban sewer systems in the United States were built in the late 1900's Sediment cores measured for containment levels have the highest levels of PCB's from the early 1960's. I have ...

*May 14, 2007 by Suzi*

**World Civics (Legislative Lingo)**

1. What is money paid out to buy things or settle a debt is called what? (ELEVEN WORDS) 2. What are special benefits that senators and representatives recieve beyond their salaries (shortened,slang word) (FIVE WORDS) 3.what are taxes put on goods that come in or go out of the ...

*October 10, 2010 by Izzy*

**science**

A diesel engine's piston compresses 16 cm3 of fuel-air mixture into 1 cm3. The pressure changes from 1 atmosphere to 48 atmospheres. If the initial temperature of the gas was 305 K, what was the final temperature? Note: As long as the units for pressure and volume are the same...

*June 21, 2011 by jasmine*

**Data Management**

Q1: Consider the word BASKETBALL a) how many of the arrangements begin with a k? (60 480) b) how many of the arrangements start with a B and end with a K? (10 080) For this question, I am not sure what they mean but it beginning with k or b... Q2: Joanne's bag of marbles ...

*January 27, 2016 by Anonymous*

**Maths Calculus Derivatives**

Find the first derivative for the following functions 1) f(x) = sin(cos^2x) cos(sin^3x) 2) f(x) = ( tan 2x - tan x ) / ( 1 + tan x tan 2x ) 3) f(x) = sin { tan ( sqrt x^3 + 6 ) } 4) f(x) = {sec^2(100x) - tan^2(100x)} / x

*October 22, 2011 by Yousef*

**Calculus **

Linear Approximation Function is y=x2 . Take three points, x=2, x=3, x=4. Approximate this function at these three points for a deviation Δx =0.1. Which of the three points does the approximation works best? Which point does it works worst?

*April 4, 2016 by Fred*

**Microeconomics**

As part of their chores on Saturday mornings, they have to clean the bathrooms and wash the floors of the house while their parents go grocery shopping. In one hours time, Mike can clean two bathrooms or wash six floors. Linda, on the other hand, can clean three bathrooms or ...

*November 14, 2010 by jill*

**math,correction**

Find expected value for the random variable. its suppost to be a table 6 X 2 i used the .... to represent separation z.....3......6.....9.....12.......15 p(z)..0.14..0.29..0.36..0.11...0.10 So what i did is i said e(x) = 3 (0.14)+ 6(0.29)+ etc to all the rest. and my result ...

*July 13, 2007 by student*

**math**

Find the equation of the tangent line to y=6^((x^2)-4x+8)) at x=3. I have worked very hard on this problem, but I can not find the right answer.... I keep getting: y=[(ln6)(6^5)(6)]+[7776-[(ln6)(6^5)(6)]]=7776, but it says this is not correct. Please help!

*October 9, 2007 by al*

**English**

Chhose the correct example of the singular possessive case 1) women's club 2) audiences' reaction 3) who's job 4) king' right I choose #4, because women is already plural and so is audiences, and it should be whose job.

*November 30, 2007 by Sarah*

**4th grade english**

The sharks (has, have) added to its popularity since I was there. Have Sharks (have, has) interested me for a long time. Has Could someone please tell me if I have the correct helping verb for the above sentences?

*January 12, 2009 by Amy*

**psychology**

The most important aspect of classical conditioning is that the conditioned stimulus becomes a for the unconditined stimulus. A)signal B)stimulus generalization C) stimulus discrimination D)higher-order conditioning support I THINK CORRECT ANSWER IS B???

*September 22, 2009 by vedrana*

**Math check answer **

Two cards are drawn without replacement from an ordinary deck of 52 cards. What is the probability that the second card is a spade if the first card was not a spade ? 13/51 is that correct, do I need to reduce this number?

*January 17, 2010 by Christy*

**Math check answer**

Two cards are drawn without replacement from an ordinary deck of 52 cards. What is the probability that the second card is a spade if the first card was not a spade ? 13/51 is that correct, do I need to reduce this number?

*January 17, 2010 by Christy*

**Math check answer**

Two cards are drawn without replacement from an ordinary deck of 52 cards. What is the probability that the second card is a spade if the first card was not a spade ? 13/51 is that correct, do I need to reduce this number?

*January 17, 2010 by Christy*

**Math check answer**

Two cards are drawn without replacement from an ordinary deck of 52 cards. What is the probability that the second card is a spade if the first card was not a spade ? 13/51 is that correct, do I need to reduce this number?

*January 17, 2010 by Christy*

**Technology**

Please tell me if this is correct: 14. Which type of machine has a rotating tool cutting motion and a linear tool feed motion? a. milling machine b. drill press c. wood lathe d. scroll saw A?

*January 19, 2010 by y912f*

**College Chemistry**

Which is the correct form of equilibrium expression of the following reaction. 2PbS(s)+3O2(g)reverse arrow 2PbOs + 2SO2g Why is the answer Kc= SO2 power 2/O2 power 3 Why in particular is this the arrangement for equilibrium expression? Thank you

*October 21, 2010 by Helen*

**Algebra check+help?**

What percent of 225 is 99? So then I wrote out 225 Over X and then I wrote = To 99/100? Is that what you would do? Because if you add up all percents, you should always get 100? Could someone correct me and help me get the right answer? THANK YOU! -Allyson

*October 25, 2010 by Allyson*

**Grammer! Am i correct?**

Choose the answer that identifies the underlined word. Well, I must say that your ideas are quite creative. ("creative" is underlined) direct object indirect object objective complement x predicate adjective

*January 24, 2011 by Kayla*

**phi103**

<11{1[4(23)23]}> People have claimed that Jamies paintings have given them the blues. Clearly this cannot be entirely correct, since many of Jamies paintings contain no blue at all. The argument above is flawed because the author

*January 28, 2011 by Anonymous*

**bio**

You have a sample of NaCl that contains 100 mg/ml NaCl. You are trying to perform an reaction that requires 10ml of 20 mg/ml. Enter in the correct amount (in ml) of Stock NaCl solution you need to use to make 10ml of 20 mg/ml NaCl

*March 1, 2011 by mina*

**English**

Two very last doubts. Do you say "the Augustan or The Augustans were interested in real life". He admitted it had been him who ate all the cake./He admitted eating all the cake. Are they both correct?

*March 13, 2011 by Mike*

**Maths**

Hey :) I was wondering if someone could tell me if this answer and working is correct or not... Cos theta =-0.25 Cos inverse -0.25 = -14 therefore theta equals: 180--14=194or/and 180+-14=166 Any help would be much appreciated :) Thanks!

*August 29, 2011 by Karla*

**Math**

a 10 question multiple choice test has 4 possible answer for each question. A student selects at least 6 correct answers. Find probability of this event: (multiple choice) A) .118 B) .995 C) .068 D) .571

*December 13, 2011 by Matt Borchelt*

**geometry**

The lengths of the sides of a right triangle are a and b, and the hypotenuse is c. Find the area of the triangle. b = 2 in.; c = 6 in. A = sq. in. Click once to select an item at the bottom of the problem. Click again to drop the item in its correct place. Eraser

*January 26, 2012 by Anonymous*

**pop**

If superman in space throws a boulder with 10 times as much mass as himself, and the boulder leaves his hands at 100 m/s, how fast does superman recoil? A) 1000 m/s. B) The same speed, 100 m/s. C) 10 m/s. D) None of these are correct.

*February 19, 2012 by Anonymous*

**math**

A snow cone has {1} line of symmetry. A slide of a figure along a straight line- my answer: translation an object moved to the right and up- my answer: diagonal translation are these correct?? I would appreciate any and all help Thank You.

*February 28, 2012 by running.from.myself*

**Probability**

Darby guesses the answers to six questions on the math portion of her college entrance exam. Each question is a true or false question. What is the approximate probability that at least 4 of her answers are correct? A. 0.23 B. 0.34 C. 0.66 D. 0.78 Explanation please??

*March 4, 2012 by Student*

**math**

Da Ming walks from his school to his house at a speed of 5km/h.he takes 20 minutes to reach home.what is the distance between his school&his house? Convert the time from minutes to hour and correct to 2 decimal places

*March 18, 2012 by Da S*

**Chemistry(Please help)**

delta Go = -431.16kJ/mol - (298k X 0.12529 kJ/K*mol) I am having trouble converting the units for delta H and delta s to match. I multiplied delta H by 1000 to get kJ but this didnt give me the correct answer.

*April 25, 2012 by Hannah*

**physics**

A uniform electric field is directed upward and has a magnitude of 5 N/C. What are the magnitude and direction of the force on a charge of -3 C placed in this field? F=Eq E=5 q=-3 5(-3)=-15N Downward Ok I have the downward correct the -15 is incorrect. Did I use the wrong ...

*July 25, 2012 by kkpdiluvu*

**English**

I had to write a paragraph about a personal experience of mine with no passive verbs. When I submitted mine my teacher told me it was almost correct but not right yet. Could you tell me a list of passive verbs?

*October 1, 2012 by Brittany*

**Math**

The question is simply and answer in standard form 3x2(that is x squared)-2x+1+x2(xsquared)+2x-9 so I made it 3xsquared+xsquared=4xsaqured -2x+2x=0 the answer is: 4xsquared-(-8)=4xsquared+8 Then it asks the type of polynomial? I thought it was binomial Are these correct? Thank...

*November 12, 2012 by B6*

**Lang. Arts**

Which one of these doors seeems to be the most promising? I had to choose between "seem" and "seems" which I know "seems" is correct, but I also had to say what the subject was. Is it "these" because "doors" was incorrect. Please explain...thanks

*February 10, 2013 by Cassie*

**statistics**

I am seeing some inconsistencies with regards to finding the upper and lower quartiles when you you have an odd number in your data set. Which is correct, counting the median in both your upper and lower set, or ignoring it?

*March 1, 2013 by Terri*

**chemistry**

a 23.74 mL volume of .0981 M NaOH was used to titrate 25 mL of a weak monoprotic acid solution to the stoichiometric point. determine the molar concentration of the weak acid solution. express in correct sig figs.

*March 25, 2013 by Anonymous*

**Mathematics**

Is this the correct answer to the following question? "You can ride a bicycle 15 mph. Your sister rides 12 mph. You give her a one hour head start. In how many hours will you catch up if neither of you stops?" 15-12= 3 12/3= 4 My answer: 4 hours.

*April 8, 2013 by Anonymous*

**Mathematics**

Is this the correct answer to the following question? "You can ride a bicycle 15 mph. Your sister rides 12 mph. You give her a one hour head start. In how many hours will you catch up if neither of you stops?" 15-12= 3 12/3= 4 My answer: 4 hours.

*April 8, 2013 by Anonymous*

**science**

The _____ is an example of a joint that allows little to no movement, called a(n) _______ joint. (1 point) pelvis; immovable skull; movable ball-and-socket; movable vertebrae; immovable My Answer: 1)D Is this correct?

*April 11, 2013 by Gabby*

**health & safety**

Serious violations were issued citing 29 CFR 1910.252(a)(2)(iii)(B) and 1910.252(b)(2)(i)(A). Using the PDCA framework, develop a plan that will correct the deficiencies and ensure that the violations do not recur.

*July 30, 2013 by devon*

**algebra**

Which choice is the equation of a line that has a y-intercept of 7 and is parallel to the line represented by this equation? y = 6x− 5 A. y = 6x+ 7 B. y = 6x− 7 the other two answers pertain to perpendicular lines, so i excluded them. i was going to select B, but ...

*November 10, 2013 by caduceus*