Sunday

October 23, 2016
Number of results: 57,316

**Chemistry**

X(g) + 2 Y(g) + 2 Z(g) -->3 M(g) + 2 N(g) I've already found the orders for the following to be: X is 2nd, Y is 1st, Z is 0 and overall of course is 3. But I am confused about the below question. I initially guess that No it doens't occur in one step..but the reasons why I ...

*April 1, 2010 by Val*

**Physics**

The linear absorption coefficient for 0.05 nm x-rays in lead and in iron are respectively, 5.8x10(4) /m and 1.1x10 (4) /m. How thick should an iron shield be in order to provide the same protection from these x-rays as 10 nm of lead?

*March 20, 2011 by amy*

**Physics**

The linear absorption coefficient for 0.05 nm x-rays in lead and in iron are respectively, 5.8x10(4) /m and 1.1x10 (4) /m. How thick should an iron shield be in order to provide the same protection from these x-rays as 10 nm of lead?

*March 22, 2011 by Jennifer*

**Algebra 1- Math**

At the ocean's surface the pressure is 1 atmosphere. At 66 feet below seal level, the pressure is 3 atmosphere. The Relationship between the pressure and the depth is linear. a. find the independent and dependent variable. b. create 2 ordered pairs. c. find the slope. d. ...

*December 14, 2012 by Tony*

**A**

You have just landed your first summer job and your boss has told you that you can choose from one of 3 pay structures for the first week (7 days) that you work there. And after the first week, your pay will be frozen at the final rate for the remainder of the summer. • Option...

*August 5, 2016 by A*

**College algebra!**

For the linear function f(x) = 5x + 3 (a) Determine the slope and y-intercept (b) Use the slope and y-intercept to graph the linear function. (c) Determine the average rate of change of the function (d) Determine whether the linear function is increasing, decreasing, or constant.

*March 15, 2013 by Jenn*

**Grammar **

For each of the following sentences, choose the correct pronoun from the pair given in parentheses. 1. We are going to play stickball in the street. (Who, Whom) would like to play first base? 2. The best pitcher would be (who, whom)? 3. (Who, Whom) would you like to be catcher...

*May 11, 2013 by Anonymous*

**Math**

Ok, so my math teacher didn't tell us ways to do this faster, and it's late enough as it is so I don't want to be up all night doing homework. D; *Note: A permutation is where the order matters. A combination is where it doesn't. Find the number of permutations. 1.Ways to ...

*February 14, 2008 by Who cares?*

**Math 201**

The pricd of a home in CA was $100,000 in 1985 and rose $160,000 in 1997. a. create two models, f(t) assuming linear growth and g(t) assuming exponential growth, where t is the number of years after 1985. *round coefficient to three decimal places when necessary. f(t)=_______ ...

*October 12, 2016 by Jonas*

**English/Writing**

5. Choose one of the topics listed below and write a five-sentence paragraph using chronological order to arrange the details of the paragraph. a. Signing on to my homepage is simple. b. Writing a paper takes patience and time. c. Let me explain how to make my favorite ...

*November 9, 2010 by jackie rios*

**Algebra**

Solve the following linear inequality graphically. x+2y<4 x-y<5 Each inequality is satisfied in a particular region of an x,y plot. The first inequality is satisfied below the line y = -x/2 + 2, for example. The second inequality is satisfied above the line y = x + 5. ...

*June 3, 2007 by Graphing Help!*

**Grammar **

For each of the following sentences, choose the correct pronoun from the pair given in parentheses. 1. We are going to play stickball in the street. (Who, Whom) would you like to play first base? 2. The best pitcher would be (who, whom)? 3. (Who, Whom) would you like to be ...

*May 8, 2013 by Anonymous*

**math**

Translate the problem into a pair of linear equations in two variables. Solve the equations using either elimination or substitution. State your answer for the specified variable. A student took out two loans totaling $10,000 to help pay for college expenses. One loan was at 8...

*February 6, 2010 by P.Smith*

**chemistry / help please**

For each reaction,which ion in the precipitate was responsible for the color 1-reaction of Sodium Hydroxide and Copper(II)Sulfate 2-reaction of Sodium Sulfate and Barium Chloride. 3-reaction of Sodium Hydroxide and Iron(III)Sulfate. 4-reaction of Sodium Hydroxide and Nickel(II...

*May 10, 2012 by Marie*

**Algebra Word Problem**

Peanuts are selling for $2 per pound, and cashews are selling for $5 per pound. How much of each type of nut would be needed to create 20lb. of a mixture that would sell for $2.75 pre puund? Use the variables, p and c, to setup a system of equations. Solve. p=numver of pounds ...

*November 16, 2008 by pj*

**chemistry(check my answer)**

The overall rate of a chemical reaction is determined by a)the slowest step in the reaction mechanism. b)the fastest step in the reaction mechanism. c)ΔG for the overall reaction. d)the last step in the reaction mechanism. e)the first step in the reaction mechanism. is it...

*May 16, 2010 by bme1*

**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? Answer: 1306.25 4. Using your answer to the question above, what is the net dollar amount of that rose ...

*May 20, 2013 by Ann*

**Science**

I am working on a year 10 physics assignment on road science. I am trying to figure out the reaction distance of a car with: Skid marks = 24m Reaction time = 1 sec Decelaration rate = 6m/sec I have many formulas in my book and am unsure of which one to use and what the correct...

*May 16, 2008 by Melody*

**algebra**

2x+6y=60 in determinng the x and y intercept I came up with the order pair 0,-10 Is this correct?

*April 28, 2008 by C*

**Math**

Arrange the fractions in ascending order: 7/22, 2/5, 9/24 My answer is: 2/5, 7/22, 9/24 Is this correct?

*July 16, 2009 by B.B.*

**Math**

Put these numbers in increasing order: -2, 13, 0, -22. My answer is: -22, -2, 0, 13. Is this correct?

*July 19, 2009 by B.B.*

**Math**

Which of the following shows the correct order of the numbers below? 2 (1) 2 - - 0.45 2 , 3 , 2 A) (1) 2 - < 0.45 < - 2 , 3 2 B) (1) < 2 < 0.45 - - 2 3 2 C)0.45 < (1) < 2 - - 2 3

*January 7, 2010 by george*

**homework help**

which of the following are in the correct size order? a) nm, um, cm, mm, m b) m,um,cm, nm, mm c) um,nm,mm,cm,m d) nm,um,mm,cm,m e) none of the above

*September 26, 2012 by robbie*

**Math**

You have 192 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side along the river, find the length and width of the plot that will maximize the area. Find the largest area that can be covered and the length of each side

*March 7, 2013 by Ryan*

**ALGEBRA**

You have just landed your first summer job and your boss has told you that you can choose from one of 3 pay structures for the first week (7 days) that you work there. And after the first week, your pay will be frozen at the final rate for the remainder of the summer. Option 1...

*August 5, 2016 by Anonymous*

**math**

Ex 3: 4x-7<2x+5 4x-7-2x<2x-2x+5 2x-7<5 2x-7+7<5+7 2x<12 2x/2<12/2 x< 6 Note I did not switch the order of the inequality here since I divided by a positive number. Multiplying or dividing by a positive number does not change the order of the inequality. So...

*September 22, 2010 by Anonymous*

**English**

What are some good websites that help you create your own personalized avatars?? I need to create my own avatar for English class, but I can't find a good website. I need a website that helps create awesome avatars, such as those in video games. Any suggestions??/

*February 6, 2012 by Anonymous*

**Chemistry**

Which of the following accurately shows the correct terms for the two sides of a chemical equation, correctly placed to the left or to the right where they belong, and also shows the correct symbol that is written between them? Choose a,b,c, or d. ** I believe the answer is A...

*July 8, 2008 by Mickeyv*

**english**

An important purpose of myths is A. to create interesting entertainment and exciting story plots. B. to illustrate the connections between modern times and the past. C. to build an understanding of the past and teach lessons for the future. D. to establish human values and ...

*November 23, 2013 by orpheus*

**Statistics**

When is it appropriate to draw a causal connection between two measurement variables? In other words, what conditions must be met in the study and in the analysis to show a causal relationship? My answer : 1.There needs to be a reasonable explanation of cause and effect. 2.The...

*April 9, 2014 by Mea*

**Chemistry**

A reaction proceeds with ∆ H = 40 kJ/mol. The energy of activation of the uncatalyzed reaction is 120 kJ/mol, whereas i t is 55 kJ/mol for the catalyzed reaction. How many times faster is the catalyzed reaction than the uncatalyzed reaction at 25°C?

*February 27, 2015 by Jessica*

**chemistry**

Which half-reaction represents reduction? Choose one answer. a. Cu → Cu^+2 + 2e- b. Fe^+2 → Fe^+3 + 1e- c. Ag^+1 + 1e- → Ag d. Al → Al^+3 + 3e-

*May 20, 2010 by Tim*

**Physics**

4th order dark fringe and 2nd order bright fring spaced 2.5cm apart appear on the screen placed 1 m behind the double slit. What is the spacing of the slits if the waveleght of incident light is 500nm? x=2.5cm=.025m L=1m wavelegth= 500nm = 5x10^-7m d=? x/L=wavelength/d d= (...

*April 22, 2008 by Andrea*

**chemistry**

If the half-life of a first-order decomposition reaction is 24.2 minutes, how long will it take for 10.0 moles of the reactant to decompose so that only 2.5 mol remains?

*September 4, 2012 by Josh*

**chemistry**

Arrange the three metals in order of their relative strengths as reducing agents, placing the strongest first. Write each metal as a half reaction.

*March 12, 2014 by Brooke Deemer*

**Math**

Can someone answer a question similar to a and b so I can use as an example. Consider the following binomial random variables. (a) The number of tails seen in 47 tosses of a quarter. (i) Find the mean. (Give your answer correct to one decimal place.) (ii) Find the standard ...

*June 1, 2013 by Nora 512*

**Calculus**

Differentiate. y= u(a cos u + b cot u) I am not sure if this correct. I was not sure whether to leave the variables as are or where the negatives should be placed? (u)*(- a sin u - b csc^2 u) + (a cos u + b cot u)*(1)

*October 24, 2010 by CMM*

**physics**

what is the correct equation for the reaction of HBr with Ca(OH)2-

*December 15, 2008 by christian*

**Economics**

In a regression analysis, suppose there is, in fact, no seasonal pattern to sales, and the trend line is estimated using dummy variables to account for seasonality. What effect would this have on the estimation? My guess is that it wouldn't affect the estimation....am I ...

*January 29, 2008 by Devin*

**Spanish**

Please help! Choose the correct form of the verb comer (to eat) that agrees with the subject ellos. a. comes b. comen c. como d. come

*October 16, 2015 by mistysmoke*

**math**

every row and column contains the same numbers and the same math signs, but they are arranged in a different order each time. can you find the correct order to arrive at the finals totals shown. only using 4 8 3 5 and * + - to make 31 15 20 21 9 17 11 27 ...but you only can ...

*December 15, 2009 by Katherine*

**English**

Choose the correct form for each phrase. 1. the budget for this month this months budget this month's budget this months' budget this months's budget 2. the schedule of the doctor the doctor's schedule the doctors schedule the doctors' schedule the doctors's schedule Select ...

*May 16, 2013 by Kelly*

**Math/geometry**

Two angles are complementary.the second angle has 6 more than three times the measure of degrees as the first one. Find the measure of each angle using an equation. Define your variables. I didn't get what the two variables should be... And how I'd write the equation but I k ...

*April 12, 2016 by Sonja R*

**Physics (Rotation)**

In the figure, wheel A of radius rA is coupled by belt B to wheel C of radius rC. The angular speed of wheel A is increased from rest at a constant rate α. Find the time needed for wheel C to reach angular speed ω assuming the belt does not slip. (Hint: If the belt ...

*April 12, 2014 by Anon*

**Chemistry**

I have to write the balanced equation for the reaction between hydrochloric acid and zinc metal.I came to the answer of: HCl+Zn(s)-->H(g)+ ZnCl Can someone tell me if this is the correct balanced equation for this reaction? No it isn't but it's close. The gas hydrogen ...

*April 23, 2007 by Chrissy*

**Algebra**

a farmer fences off a small.rectangular plot of land thay is 60 feet by 100 feet. within that area, a garden is planted and surrounded by a walkway of uniform width. how wide is the walkway if the area of the planted area is one half of the area of the plot?

*December 1, 2015 by Thomas*

** Math**

Could someone please help? I can't find the definitions in my book anywhere. Thank you! 1. Given: <2 = <4, m<2 = 110 Proof: m<3 = 70 <2 = <4, m<2 = 110 Given m<2 = m<4 Definition of congruent angles m<4 = 110 b._______ <3 and <4 are a linear...

*October 13, 2015 by Tim*

**To Steve**

Sorry here is completed question A bag contains 3 red marbles, 3 blue marbles and 3 yellow marbles. Which of the following methods of selecting 2 marbles will have the greater probability of choosing 2 red marbles? 1- Randomly choose a marble don't replace it then randomly ...

*March 29, 2014 by Matt*

**Chemistry**

what is the rate of a first-order reaction that has a reactant concentration of 1.1M and a rate constant of 0.14/s?

*May 1, 2013 by George*

**Chemistry**

Administratium bromide (AdBr) decomposes readily at temperatures exceeding 37°C. The figure below shows how the rate of reaction varies with the concentration of AdBr. The rate, r, is in units of M s-1 and the concentration of AdBr, c, is in units of M (mole L-1). The slope ...

*November 29, 2012 by Odesa*

**Physics**

What are the independent and dependent variables in the following scientific investigation? Controlled variables are also being used in this investigation. Identify the controlled variables as well. A chemistry student is conducting an experiment to determine if table salt ...

*August 5, 2011 by Elizabeth*

**Chem**

K so this time it is basic concept and I am suppose to guess what happens, so I've written the cause but I have also written my answer to the reaction and effect. so for: A + B <=> C stress: A is increased reaction: forward effect:[A]increased [B] inc [C]inc Stress: B is...

*May 16, 2007 by Jason*

**investing 2-16**

Entering an order to sell stock at $17 when the bid is $18–$19 is an example of a A. market order. B. short sale. C. margin payment. D. limit order. D seems like the best answer

*February 22, 2009 by Johnny*

**chemistry help**

During a chemical reaction, if Q = K, what can be said about the reaction? A. The reaction still proceeds in both directions, but the net result is that the reactant and product concentrations do not change. B. The amount of product is always equal to the amount of reactant. C...

*September 10, 2016 by emma*

**chemistry**

During a chemical reaction, if Q = K, what can be said about the reaction? A. The reaction still proceeds in both directions, but the net result is that the reactant and product concentrations do not change. B. The amount of product is always equal to the amount of reactant. C...

*September 11, 2016 by jessie*

**Chemistry**

The overall rate of any chemical reaction is most closely related to a) the number of steps in the reaction mechanism b)the overall reaction c) the fastest step in the reaction mechanism d)the slowest step in the reaction mechanism e) the average rate of all the steps in the ...

*July 21, 2010 by Bobby*

**Inter. Algebra**

what is the answer to 12x squared y cubed /2xy squared +6xy * y squared +6y+9 /3y cubed +9y squared? You have not written an equation, only an algebraic function, with two variables. You need to add parentheses to clarify the order of operations. There is no "answer". It can ...

*December 2, 2006 by Andrea*

**Alg 2**

Today we learned how to solve systems of equations with 3 variables, however my teacher didn't go over how to do a problem where not every single equation in the system has the 3 variables. Can someone point me to a place that explains this? the kind of problem im talking ...

*October 5, 2012 by john*

**math**

Imagine you are the owner of a pizza shop that offers three different types of crusts, seven different toppings, and three different cheeses. Create an advertisement for your shop with three lists: one for crusts, another for toppings, and a third for cheeses. In your ...

*June 2, 2015 by amanda*

**Orgo Lab**

Recrystallization is often used at the end of a synthesis. Choose the most accurate answer/s to explain the purpose of recrystallization and how it is done effectively? Note there may be more than one correct answer. 1.Dissolve the crude product in the minimum amount of cold ...

*October 19, 2014 by Anonymous*

**Grammar**

which is the correct word order? She only said.. or She said only Any rules for word order?

*July 13, 2014 by Anonymous*

**chemistry**

NH4NO3(s) NH4+(aq) + NO3−(aq) In order to measure the enthalpy change for this reaction above, 1.07 g of NH4NO3 is dissolved in enough water to make 25.0 mL of solution. The initial temperature is 25.8°C and the final temperature (after the solid dissolves) is 22.4°C. ...

*November 16, 2012 by DeeDee*

**statistics for health research**

1.A study is conducted to determine the factors that affect the increased maternal mortality rates in Kenya. Establish the variables (at least 5 variables) that you would use to conduct the study. State your expected results and explain how you will apply Correlation and ...

*June 16, 2014 by maureen*

**Chemistry**

In an endothermic reaction at equilibrium, what is the effect of raising the temperature? The reaction makes more products the reaction makes more reactants*** the reaction is unchanged the answer cannot be determined

*May 4, 2016 by Jordan*

**Chemistry**

An experiment was done to determine the formula and formation constant of a metal ammine. The data were graphed giving a straight line plot with an equation of y = -5.9484x - 11.447. What is the correct forumla for this metal amine? M(NH3)6+ M(NH3)5+ M(NH3)4+ M(NH3)2+

*October 16, 2011 by Matt*

**chemistry**

An experiment was done to determine the formula and formation constant of a metal ammine. The data were graphed giving a straight line plot with an equation of y = -5.9484x - 11.447. What is the correct forumla for this metal amine? M(NH3)2+ M(NH3)5+ M(NH3)6+ M(NH3)4+

*March 5, 2012 by Anonymous*

**chemistry**

In the process of electrolysis, electrical power is used to separate water into oxygen and hydrogen molecules via the reaction: H2O --> H2 + ½O2 This is very much like running a hydrogen fuel cell in reverse. We assume that only the activation potential for the hydrogen ...

*December 18, 2013 by Danny Simone*

**calculus**

In the process of electrolysis, electrical power is used to separate water into oxygen and hydrogen molecules via the reaction: H2O --> H2 + ½O2 This is very much like running a hydrogen fuel cell in reverse. We assume that only the activation potential for the hydrogen ...

*December 18, 2013 by Danny Simone*

**algebra**

• After solving a system of linear equations, how can you check your answer to determine whether it is correct? Demonstrate the process of checking an answer with an example

*June 9, 2011 by Gladys *

**Math**

Find a linear equation whose graph is the straight line with the given property. Through (5, 9) with slope 2 I can't find the correct answer. I don't know where I did wrong Thanks.

*February 15, 2012 by Amie*

**Pre-Calc/Trig...**

Am i correct? It is possible for a system of linear equations to have no solutions. True <-- False i think it's true, if the lines are parallel?

*October 3, 2014 by Anonymous*

**mathematics important very important **

a group of people were asked to choose there favourite fruits.1/4 choose apple,1/3 banana and 2/5 orange and 3 people choose grapes. How many people were there in the group.

*July 20, 2014 by cbse 8th*

**Chemistry**

The reaction between 0.045 g of calcium with an excess of water was carried out in an ice calorimeter as used in this lab. The volume of water in the calorimeter decreased by 0.18 mL during the reaction a) Write the equation for the reaction which occurs. Is it a redox ...

*June 3, 2009 by Sean*

**chem**

1) When a mixture of potassium chlorate and an appropriate catalyst is heated in an open test tube, potassium chloride and oxygen gas are produced. This reaction is not reversible, because a. the system reaches equilibrium b. the reaction does not go to completion c. the ...

*February 1, 2012 by HEATHER*

**Calculus**

Consider an infinite series of the form (+-)3(+-)1(+-)1/3(+-)1/9(+-)1/27(+-)....(+-)1/3^n(+-)... The number 3,1, etc. are given but you will decide what the signs should be. a)Can you choose the signs to make the series diverge? B)Can you choose the signs to make the series ...

*November 12, 2012 by oci*

**Math**

Gray bought two plots of land for a total of 120000 on the first plot she made a profit of 15% on the second plot she lost 10% .her total profit 5500, how much did she pay for each piece of land? (Please show the whole procedure of this math with the rough works) Thank you so ...

*October 19, 2013 by Urgent !!!*

**English**

I forgot to include the following sentences. Thank you.I included my doubts in parantheses. 1) What does Victor Frenkenstein stadn for and how does he try to create a human being? What is his first reaction when confronted with the monster (when he sees the monster for the ...

*July 5, 2011 by Henry2*

**Math Help? Check my answers.**

1. What data are represented by the stem-and-leaf plot below? 3 | 7 8 9 4 | 1 3 7 5 | 2 4 Key: 4 | 1 means 41 a. 37, 38, 39, 41, 43, 47, 52, 54 b. 73, 83, 93, 14, 34, 74, 25, 45 c. 7, 8, 9, 1, 3, 7, 2, 4 d. 37, 38, 39, 14, 34, 74, 25, 45 2. Find the mode and the median of the ...

*March 5, 2014 by Caroline*

**Science**

[I just need help finding the correct letters to the Quiz that my teacher graded. I got all of it wrong. The only problem is she did not write down the correct answers for me and I'm not TO sure which letter to chose. So here are the letters that I choose and that I THINK is ...

*March 18, 2007 by Mack*

**algebra 1**

who is correct and why? chloe jonas 3<2x-5<7 3<2x-5<7 3<2x<12 8<2x<7 3/2<x<6 4<x<7/2 2) solve each inequality for x. assume a is constant and a>0 a. -3<ax+1< or equal to 5 b. -1/ax+6<1 or 2-ax>8 3) create an example of a ...

*December 17, 2012 by naomi*

**Chemistry**

Before a chemical reaction reaches equilibrium, A. the reaction rates of the reactants and products increase. B. the reaction rate of the reactants increases and the reaction rate of the products decreases. C. the reaction rates of the reactants and products decrease. D. the ...

*August 9, 2015 by soco*

**math-linear equations**

Its a story problem: The flying W Ranch raises only cows and horses. There are total 340 animals. The owner prefers horses to cows, so he has 52 more horses than cows. a. Write two different linear equations to model this situation. b. Solve the system of linear equations ...

*January 19, 2016 by B*

**Math**

1. Given: <2 = <4, m<2 = 110 Proof: m<3 = 70 Can you please help me with this question? <2 = <4, m<2 = 110 Given m<2 = m<4 Definition of congruent angles m<4 = 110 b._______ <3 and <4 are a linear pair Definition of a linear pair(shown in ...

*December 8, 2015 by Amy*

**CHEMISTRY**

the equilibrium composition of a reaction is 1.522mol CO, 1.566mol H2, 0.478mol CH4 and 0.478mol H2O and the volume of the reaction vessel is 10Litres. -What is the equation for the reaction? -Calculate the equilibrium constant for both the forward and reverse reaction?

*April 5, 2011 by Taynell*

**CHEMISTRY**

1. Consider the following reaction: Pb(NO3)2+KI--> Pbl2 +KNO3 in theis experiment, 12.0g of Kl is reacted with 20.5g of Pb(NO3)2. a) write a balanced equation for this reaction. b)identify the limiting reaction. c)calculate the mass of KNO3 produced from this reaction.

*June 6, 2013 by irfan *

**chemistry**

A + B -> C + D (reversible reaction) a 2L container contains 1 mol of C, 1.6 mol of D, 0.8 mol of A snd 0.8 mol of B. Calculate the equillibrium composition of the reaction. Kc =0.065 I think C and D are forming A and B because there is higher concentration of C and D. So ...

*January 29, 2009 by jeff*

**chemistry**

A + B -> C + D (reversible reaction) a 2L container contains 1 mol of C, 1.6 mol of D, 0.8 mol of A snd 0.8 mol of B. Calculate the equillibrium composition of the reaction. Kc =0.065 I think C and D are forming A and B because there is higher concentration of C and D. So ...

*January 29, 2009 by jeff*

**Chemistry**

(1) Why are fractional coefficients permitted in a balanced thermochemical equation? In thermochemical reactions, only small amounts of matter are considered. If fractional coefficients were not used, the scale of the reaction would be excessively large. Fractional ...

*May 12, 2010 by Zacky*

**MATH**

Solution A is 25% and solution B is 40% acid. How many gallons of each solution must be used in order to create a 50 gallon mixture that is 34% acid? Solution A___ Solution B___

*October 12, 2011 by Diane*

**Math**

Ali did his homework at school with a graphing calculator. He determined that the equation of the line of best fit for some data was y=2.63x-1.29. Once he got home, he realized he had mixed up the independent and dependent variables. Write the correct equation for the relation...

*October 1, 2010 by Emily*

**Science**

I did A Lab in science where I had a Small hotwheels car and started and 6 books and made a ramp. I then timed how long it took the car to go 2 meters from the ramp. after each trial I added one more book to make the slope higher. The car stayed the same and the higher the ...

*March 28, 2009 by Nicky*

**Pre-Calculus**

Help------I'm confused. I am trying to convert the linear equation 4x+3y-10=0 to polar form. Thus far, I have 2= r cos(theta -?????). I understand that I must get the arctan of 3/4 but I get the answer of 36.9. Is this correct and if not--what am I doing wrong. Thanks

*September 1, 2008 by Lucy*

**Language Arts ~CHECK MY WORK PLEASE~**

1. What can you predict about the poem by previewing the title, subtitle, and first line of the poem "In response to executive order 9066"? a.) It will be a letter to the Japanese-American citizens in which they are told they must leave their homes. b) It will be a letter to ...

*February 5, 2014 by Jenny*

**chem**

Arrange the atoms in order of increasing IE1. As, Sb, Sn a. Sb < As < Sn ANSWER is it correct b. Sb < Sn < As c. Sn < Sb < As d. As < Sb < Sn

*November 9, 2007 by Sam*

**French**

Put in the correct order : nous , habitons. Voila , maison, ou ( where) , la

*December 6, 2012 by Rim*

**math**

List order of numbers from least to greatest is the following correct? 1 3/7 1 2/4 1 8/14 1 3/4

*January 8, 2013 by b*

**Algebra 2**

Use the correct form of factoring in order to find the x intercepts. 9r^2-5r-10

*December 4, 2015 by Jim *

**Math**

Use the correct form of factoring in order to find the x intercepts. 9r^2-5r-10

*December 4, 2015 by Jim*

**Math**

Problem: 3-3x18+2=? Answer: 3-54+2= 3-56= -53 ; is it correct? I did follow the order of operations. Thanks...

*February 12, 2016 by Isaiah James*

**MATH**

JESSI bought two plots of land for a total of 120000 on the first plot she made a profit of 15%. on the second plot she lost 10% .her total profit was 5500, how much did she pay for each piece of land? ( please show the whole procedure of this math even the rough works) Thank ...

*October 19, 2013 by NEED HELP NEED HELP !!!!!*