# Show that the equation 3x^2 - x^3 + 3 = 0 can be rearranged to give: x = 3 + 3 ---- x^2 x^3 = Divide by ? = x = 3 + 3 ---- x^2 Using Xn+1 = 3

62,835 questions, page 67-
## Math

9(x+2)(x+1)-2(x+2)-4(x+1)=0 I'm in the middle of solving an equation. I know that you have to FOIL but how did they get 9(x^2+3x+2)-(4x+4)=0 ? I thought you distribute the 9 through (x+2)(x+1). and why is it (4x+4) instead of (4x-4) because -4 x 1 = -4

*asked by Beth on June 9, 2013* -
## math

I am working on a problem where I am to graph the equation and identify the y intercept the equation is y+x=-9 On the graph, I plotted (0,-9) and (-9,0); I identified the y intercept as (0,-9) Is this correct?

*asked by H on January 9, 2010* -
## math

Find the equation of the tangent line to the curve y=6tanx at the point (pi/4,6). The equation of this tangent line can be written in the form y=mx+b where m is: and where b is:

*asked by kwack on August 21, 2010* -
## math

Still having problems solving this... 2x(2x + 1)^2 = 312 I started with: 2x(2x+1)(2x+1)-312 = 0 2x(4x^2+4x+1)-312 = 0 8x^3+8x^2+2x -312 = 0 Now what? If you don't have to solve for x, then then you have the final answer! If you have to find x: then you

*asked by Steve on January 23, 2007* -
## math

Once you have created both sets of numbers, complete the following tasks. In each task, make sure to clearly label which set you are identifying or describing. Identify the elements of each set that you created. Calculate the mean of each set. Show your

*asked by Layla on May 11, 2019* -
## 12th Calculus

a 13-ft ladder is leaning against a wall. suppose that the base of the ladder sides away from the wall at the constant rate of 3ft/sec 1. explain why the motion of the two ends of the ladder can be represented by the parametric equations: x1(t)=3t, y2(t)=0

*asked by tt on November 20, 2008* -
## Chemistry

Pentane gas (C5H12) combusts with oxygen gas (O2) to form water (H2O) and carbon dioxide (CO2). Write a balanced chemical equation for this reaction and explain the scientific principle (statement) that requires the balancing of an equation to make it

*asked by Adrian on March 7, 2012* -
## Chemistry

1. Pentane gas (C5H12) combusts with oxygen gas (O2) to form water (H2O) and carbon dioxide (CO2). Write a balanced chemical equation for this reaction and explain the scientific principle (statement) that requires the balancing of an equation to make it

*asked by Tyler on January 15, 2013* -
## physics2ndquestion

the consumption of natural gas by a company satisfies the empirical equation V= 1.5t + 0.008t^2 where V is in volume in millions of cubic feet and t is the time in months. rewrite the equation in unit of cubic meter nd seconds. put the proper units on the

*asked by ANN on November 21, 2011* -
## HOFBrINCl

can someone help me on these 2 questions so i can get an idea to do the rest of mine. im given hydrochloric acid and a marble chip (calcium carbonate i think), so what would be the reactants, the word equation, the balanced equation, prediction of type of

*asked by Chemistry on March 15, 2016* -
## Math(Algebra)

An arrow is shot vertically upward from the top of a cliff 80 feet tall, with an initial velocity of 64 ft/s, (the acceleration due to gravity is -16ft/sec). a. Write the quadratic equation representing this scenario when h is 0. b. Find the roots

*asked by Joshua on October 5, 2012* -
## PHYSICS.PLS

the consumption of natural gas by a company satisfies the empirical equation V= 1.5t + 0.008t^2 where V is in volume in millions of cubic feet and t is the time in months. rewrite the equation in unit of cubic meter nd seconds. put the proper units on the

*asked by renee on November 21, 2011* -
## math

transform the ff. into the form f(x) = a(x - h)2 + k: f(x)=x2-6x+4 f(x)=x2+4x+2 f(x)=3x2-5x+1 tnx a bunch!!!1 I'll do the third one for you, the first two are really easy f(x)=3x^2-5x+1 =3(x^2 - 5/3 x ) + 1 factored out the 3 from first 2 terms =3(x^2 -

*asked by olive on July 29, 2007* -
## Math Help!

1. Find the 4th term in the binomial expansion.(2x + 3y)^6 2. Use synthetic division and the remainder theorem to find P(a). P(x)= x^5 + 3x^4 + 3x − 7; P(-1) 3. Factor the expression on the left side of the equation. Then solve the equation. x^6 + 128x^3

*asked by Larry on May 8, 2014* -
## Science

gravitational forces are be acted on a space center what other data need to show the forces a-direction of the opposite force b-magnitute of the downward force graviatational forrces are being acted on a space station i think what other of the two data are

*asked by hh on April 30, 2013* -
## Math - Quadratics & Analytical Geometry

I have a test tomorrow with a few sample questions that are expected to be on the test that I do not know how to properly do. 1)Find the slope intercept equation of the line passing through the intersection of the lines 2x-4y=1 & 3x+4y=4 and parallel to

*asked by Jay on March 23, 2014* -
## Math -Quadratics Help!

I have a test tomorrow with a few sample questions that are expected to be on the test that I do not know how to properly do. 1)Find the slope intercept equation of the line passing through the intersection of the lines 2x-4y=1 & 3x+4y=4 and parallel to

*asked by JBregz on March 23, 2014* -
## Chemistry-help needed

1) Does Alumnium react with steam to give metal oxide and hydrogen gas? 2) Does Aluminium react with dilute hydrochloric acid? What are the products? 3) Will Tin react with dilute hydrochloric acid to give tin(II)chloride and hydrogen gas?

*asked by anne on January 28, 2009* -
## Physics - Optics

A photographic slide is to the left of a lens. The lens projects an image of the slide onto a wall which is a distance of 5.94 m to the right of the slide. The image is larger than the size of the slide by a factor of 82.0. How far is the slide from the

*asked by Tifani on July 17, 2007* -
## Business Environment and Recording Transactions

Give an example of a business transaction that has the described effect on the accounting equation: Increase an asset and increase a liability. Increase one asset and decrease another asset. Decrease an asset and decrease owner's equity. Decrease an asset

*asked by candy on August 30, 2006* -
## English

Choose music from a movie or a favorite TV show and explain in TWO paragraphs: 1) What is the theme of this movie/show? What support do you have for this theme? 2) Why does this music lend itself so perfectly to this particular theme? Be sure you explore

*asked by please help me!! on April 26, 2012* -
## chemistry

In many residential water systems, the aqueous Fe3+ concentration is high enough to stain sinks and turn drinking water light brown. The iron content is analyzed by first reducing the Fe3+ to Fe2+ and then titrating with MnO4- in acidic solution. Fe2+(aq)

*asked by Dalton on November 14, 2015* -
## PHYSICS PLEASE HELP

A fire hose held near the ground shoots water at a speed of 6.5 m/s 1. At what angle(s) should the nozzle point in order that the water land 2.5 m away? -I believe the answer is 18,72 2. Sketch the trajectory for the 18; angle -Please give me exact (x,y

*asked by PHYSICS on January 26, 2014* -
## Chemistry

An unknown element reacts with bromine to give bromide, MBr3. If 2.809g of the unknown element gives 27.765grams of MBr3, what is the element? ( give the symbol ) I don't understand the M in the MBr3...can someoen please help me with this question ASAP

*asked by S-rth on September 27, 2011* -
## Health and human services

Nine major forms of benefits/services in the U.S. social welfare system? Choose three out of the nine major forms of benefits/services in the U.S. social welfare system for each of the three; give an example of when you believe that benefit or service

*asked by Ree on January 28, 2009* -
## math check

The amount of fill (weight of contents) put into a glass jar of spaghetti sauce is normally distributed with mean ì = 843 grams and standard deviation of ó = 9 grams (ii) Find the standard error of the x distribution. (Give your answer correct to two

*asked by Sue7 on June 21, 2013* -
## Algebra

Could someone correct my answers and help with the other problems? 1. Are the following lines parallel, perpendicular, or neither? L1 with equation x – 5y = 10, L2 with equation 5x + y = 5. Answer: Neither (I'm not to sure but i think this is the right

*asked by Timm on May 27, 2007* -
## Algebra II

I wrote out the word pie in place of the actual symbol. Consider (pie n+pie n-1)(pie n-pie n-1)= 1 for n greater than or equal to 1. a) Provide two numerical examples illustrating its validity. b) Show the statement is true in general. c) What is the

*asked by Monique on June 15, 2014* -
## geometry

I would love for someone to check my work on the seven problems that I did. I would be eternally grateful. I am going to list my problems and answers. Even if you only want to check one of them, that would be great. 1. Write an equation of a line in point

*asked by Savannah on August 2, 2015* -
## trig

For each expression in column I, choose the expression from column II to complete an identity: Column I Column II 1. -tanxcosx A. sin^2x/cos^2x 2. sec^2x-1 B. 1/sec^2x 3. sec x/cscx C. sin(-x) 4. 1+sin^2x D.csc^2x-cot^2x+sin^2x 5. cos^2 x E. tanx I figured

*asked by gin on March 19, 2011* -
## Chemical Formulas and Reactions

When aqueous copper(II)chloride reacts with aqueous ammonium phosphate, soluble ammonium chloride forms and copper(II) phosphate precipitates out of solution. 1. Write the balanced molecular equationfor this reaction. 2. Write the balanced complete ionic

*asked by chrissy on December 29, 2006* -
## Englih

1. The guests talked about a lot of topics on the talk show. 2. The guests talked about a lot of topics in the talk show. --------------------------- Which one is correct? Do we have to use 'on' here? 3. First speaker, come to the podium, please. And

*asked by rfvv on February 3, 2017* -
## chemistry

A proposed mechanism for a reaction is: (i) A + B2 AB2 Ea1 = 12 kJ/mol ƒ´H1 = 3 kJ/mol (ii) AB2 + C2 ABC + BC Ea2 = 30 kJ/mol ƒ´H2 = 5.2 kJ/mol (iii) ABC + B2 AB2 + BC Ea3 = 10 kJ/mol ƒ´H3 = -7.8 kJ/mol a) Which is the rate determining step? Explain

*asked by Sarah on September 20, 2014* -
## Physics

The typical lifetime of a star like our Sun is 10 billion years. While a star like our Sun is able to generate energy in its core (through fusion) the thermal pressure balances the gravitational pressure from the Sun’s mass. However, once the star rules

*asked by Vivek on November 23, 2015* -
## someone please chek my math!

a. An ellipse is formed by stretching the graph of x^2+ y^2=1 horizontally by a factor of 3 and vertically by a factor of 4. Determine the equation of the ellipse in standard form x^2/a^2+y^2/b^2=1 (x/3) ^2+ (y/4) ^2=1 x^2/9 + y^2/16 =1 so the equation is:

*asked by sam! on December 4, 2006* -
## math

Please tell me if I did a good job! (Question:) Write an equation with a variable on both sides of the equal sign that has infinitely many solutions. Solve the equation and explain why it has an infinite number of solutions. (My answer:) 3x + 5 = 3x + 5

*asked by Arthur on December 13, 2017* -
## Variation-Questions

I have some questions that I don't understand and need to be checked please? Slove the problem. 1. y varies directly as z and y=187 when z=17. Find y when z=15 -This is how I did it: 187=k*17, I divided by 17 on both sides and got k=11, then I plugged it

*asked by Soly on October 8, 2007* -
## Science (Chemistry)

A chemical system within a sealed 1 L reaction vessel is described by the following reversible reaction equation: 2H2S(g) 2H(g) + S2(g) If the equilibrium constant is 0.000 004 200 at 1103 K find: (a) the reaction quotient intially (b) the order of

*asked by Kibito on May 18, 2015* -
## AP AB Calculus

Linear approximation: Consider the curve defined by -8x^2 + 5xy + y^3 = -149 a. find dy/dx b. write an equation for the tangent line to the curve at the point (4,-1) c. There is a number k so that the point (4.2,k) is on the curve. Using the tangent line

*asked by Katie G on December 17, 2014* -
## project on glasses!

hey. does anybody have any suggestions on a good way to interestingly present a project on spectacles and their impact on the middle ages??? I think it would be a cool idea to bring in a pair of glasses and to show the very important people that wore them

*asked by narine on October 30, 2006* -
## College Algebra

1. Use the Intermediate Value Theorem to show that the polynomial function has a zero in the given interval. f(x) = 13x^4 - 5x^2 +7x -1; [3,0] Enter the value of (-3). 2. Use the Intermediate Value Theorem to show that the polynomial function has a zero in

*asked by Kameesha on August 9, 2012* -
## Discrete Math

a) Show that the relation R on Z x Z defined by (a , b) R (c, d) if and only if a + d = b + c is an equivalence relation. b) Show that a subset of an anti symmetric relation is also anti symmetric. c) Suppose that R is a symmetric relation on a set A. Is R

*asked by Confused!! on March 15, 2012* -
## accounting

For each of the following items, give an example of a business transaction that has the described effect on the accounting equation: * Increase an asset and increase a liability. * Increase one asset and decrease another asset. * Decrease an asset and

*asked by Anonymous on March 25, 2010* -
## accounting

For each of the following items, give an example of a business transaction that has the described effect on the accounting equation: Increase an asset and increase a liability. Increase one asset and decrease another asset. Decrease an asset and decrease

*asked by sam on April 28, 2009* -
## accounting

For each of the following items give an example of a business transaction that has the described effect on the accounting equation: increase an asset and increase a liability increase one asset and decrease another asset decrease an asset and decrease

*asked by Tracy on November 9, 2008* -
## accounting

for each of the following items, give an example of a business transaction that has described effect on the accounting equation: Increase an asset and increase a liability. Increase one asset and decrease another asset. Decrease an asset and decrease

*asked by jaime on July 27, 2008* -
## English

I writing narrative story on theme that With independence comes amplified accountability. teacher say it be good if it be third person narrative. though i not know what to write about, teacher show us example and one which a girl write be through a birds

*asked by Mohammad on October 4, 2012* -
## ms. sue

ms. sue for my essay teacher say i have to give example when i say for movie a beautiful mind when john start interacting with delusions, this effects his job and relationships. what example i put here? you please make my below sentence proper and tell if

*asked by Mohammad on April 4, 2012* -
## Physics

The equation describing the (r, \theta ) coordinates of points along a single field line of a magnetic dipole is r=R_0 \sin ^2(\theta ) where \theta =0 is in the direction of the dipole moment and R_0 is a constant which is different for each field line.

*asked by Phy on April 6, 2013* -
## Chemistry!! Please Help!

A 0.285 M solution of the sodium salt, NaA, of the weak monoprotic acid, HA, has a pH of 9.65. Calculate Ka for the acid HA. I think I am having issues with the equation and then the math part. I figured out what 'x' was from the pH, which I believe is

*asked by Blair on February 6, 2009* -
## Math

Write a program in C to find a root of a given equation using Secant Method. Perform five iterations to obtain the smallest positive root of the equation f(x) = sin x + 2tanx. Verify your answer with the program written by you. Please post the solution....

*asked by Royal on March 13, 2012* -
## Geometry equation

I do not understand how to work a problem or equation out for geometry. The equation refers to two parrellel lines that have a transversal line running diagonal through each one. The exterior anglebottom left part of the top parrellel line, measures at 52

*asked by BWB on May 11, 2010* -
## algebra

could someone check my answers to these few questions? "What is the equation of the line, in slope-intercept form, that goes through the point (-1, -8) with m = 3 ?" here's my work: y + 8 = -3(x + 1) [i put the values into the equation.] y = -3x + 5 [i

*asked by caduceus on November 8, 2013* -
## chemistry

The following unbalanced equation describes the reaction that can occur when lead (II) sulfide reacts with oxygen gas to produce lead (II) oxide and sulfur dioxide gas: PbS + O2 PbO + SO2. all i need help on is explaination of the electron transfers

*asked by amtonio on January 17, 2017* -
## math

The relationship described below can be modeled using an equation. Identify the variables and write an equation to solve the questions below. Number of subscriptions sold/ pay per wk 5 150 10 200 15 250 20 300 25 350 Sheryl has a part-time job working for

*asked by Anonymous on September 26, 2010* -
## chem

Write the complete ionic equation for Cu(NO3(aq)+K2S(aq)and namd write the formula for the spectator ions in this reaction? This is what I got pls. check it: complete ionic equation: Cu^19aq)+K^1(aq)+S^-2(aq)=K^1(aq)+NO3^-1(aq)+Cu2S(s) net ionic equation:

*asked by Amanda on October 5, 2012* -
## algebra

consider the functions f(x)=9/x; and g(x)=9/x what is f(g(x))? give any values that need to be excluded what is g(f(x)) give any values that need to be excluded? are functions f and g inverse of each other?

*asked by anniston on September 5, 2012* -
## Algebra

Given: f(x) = 8-4x A. Find f(-2) f(2) = 8-4(-2) B. Find x, when f(x) = 8 8-4x = 8 C. Graph the function. ( a graph that has 20X and 20Y as the max numbers) D. State the domain and range of the function. (confused on what to do here) E. Use the graph to

*asked by Ricky on February 26, 2017* -
## Math (Urgent!)

Consider 10 independent tosses of a biased coin with the probability of Heads at each toss equal to p , where 0

*asked by Sean on October 2, 2018* -
## Algebra 1

Task 2 In Task 1 you determined how much of your own money you’re willing to spend to get your business started. This is your limit—when making your product you can’t exceed this amount. a. Write an inequality that represents the fact that while

*asked by 9thgradestudent on November 3, 2015* -
## Math (Analytic Geometry)

1. Find the equation of the set of all points P(x,y) that is equidistant from (-3,0) and (3,-5). 2. Find the equation of the set of all points P(x,y) that is twice as far from (-8,8) as from (-2,2). 3. Find the equation of the set of all points P(x,y) such

*asked by Justsimplelikeme on July 6, 2016* -
## Analytic geometry

1. Find the equation of the set of all points P(x,y) that is equidistant from (-3,0) and (3,-5). 2. Find the equation of the set of all points P(x,y) that is twice as far from (-8,8) as from (-2,2). 3. Find the equation of the set of all points P(x,y) such

*asked by Primma on July 6, 2016* -
## Analytic geometry

1. Find the equation of the set of all points P(x,y) that is equidistant from (-3,0) and (3,-5). 2. Find the equation of the set of all points P(x,y) that is twice as far from (-8,8) as from (-2,2). 3. Find the equation of the set of all points P(x,y) such

*asked by Immaculate on July 6, 2016* -
## Chemistry

Hi, if anyone can give me help for any part of the question that would be great! I know how to draw the cell diagram, but am not sure what the half-reactions would be.... Here is the question: Give the cell diagram notation of the electrochemical cell that

*asked by Anne on December 12, 2007* -
## probability

Let X be a random variable with PDF fX. Find the PDF of the random variable Y=eX for each of the following cases: For general fX, when y>0, fY(y)= - unanswered fX(eyy) fX(ln yy) fX(ln y)y none of the above When fX(x) = {1/3,0,if −2

*asked by janki on March 30, 2015* -
## Algebra 115

Is this correct so far...I just want to know if I am doing this.. b) The representative tells you that floor plan #1 sells for $300,000 and floor plan #2 sells for $200,000. She also mentions that all the available houses combined are worth $3,300,000.

*asked by Donna on October 6, 2010* -
## Math 116

Is this correct so far...I just want to know if I am doing this.. b) The representative tells you that floor plan #1 sells for $300,000 and floor plan #2 sells for $200,000. She also mentions that all the available houses combined are worth $3,300,000.

*asked by Donna on October 6, 2010* -
## Physics

An umbrella with a diameter of 1 m turns 22 rev every 44 seconds. If it's 1.5 m from the ground, calculate the time it takes for a drop to reach the ground and the distance away from the umbrella a person should stand so as to not get wet. For this problem

*asked by Leslie on November 9, 2012* -
## Creative Homework

okay so I have to make a presentation on Bloc Quebecois and it must be creative. i cant do a bulletin board or poster board or just the classic essay format, i cant even do a journal or a diary of lucien bouchard. My teacher must be crazy cause i cant

*asked by Sam on November 17, 2006* -
## trigonometry

1) show that: 1-cos2t divided by sin2t= TANt 2) show that: 1-(cos2t divided by (cos x cos)t)= (TAN x TAN)t

*asked by Craig on January 28, 2009* -
## French (need a website link quick question)

I need a website link that will give me a practice test to Qu'est-ce qui and Qu'est-ce que. Where Qu'est-ce qui acts as a subject and Qu'est-ce que acts as an object. I also need a test on negative and affirmative commands. For example: Montrez-moi-la

*asked by Rachel on October 4, 2010* -
## Geology

Respond to the following scenario: o Your younger brother is in 5th grade. He comes home and tells you to look at an animation his teacher showed him in geology class. o Review the Continents of the Past animation on this week¡¦s aXcess page. o After

*asked by A on September 11, 2009* -
## math

1.2(y + 1) for y = 2 A. 6 B. 5 C. 7 D. 8 Is it “A”? 2. The cost in dollars of a school banquet is 74 + 12n, where n is the number of people attending. What is the cost for 52 people? A. $550 B. $698 C. $624 D. $138 Is it “B”? 3. Write a word phrase

*asked by anomynous on November 30, 2017* -
## physics

. Consider a large number, N(0) , molecules contained in a volume V (0) . Assume that there is no correlation between the locations of the molecules (ideal gas). Do not use the partition function in this problem. (a) Calculate the probability P (V; N) that

*asked by esmat on June 13, 2011* -
## math

List the ages of two people in your life, one older than you and one younger than you. It would be best if the younger person was 15 years of age or younger. Find the prime factorizations of your age and the other two persons’ ages. Show your work listed

*asked by ashford university on June 27, 2011* -
## Math

Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on Earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: w=Cr^-2 ,

*asked by ASD on September 17, 2010* -
## Math

Can you help me check if I'm doing this correctly or not? I'm solving this quadratic equation by us ing the quadratic equation. -9v^2+35v-30=1-v -9v^2+36v-29=0 -36 ± √36^2-4(-9)(29) divided by 2(-9) -35 ± √1296 + 1044 divided by -18 -36 ± √2340

*asked by Lilly on November 14, 2011* -
## Reading

I'm in seventh grade and working on my test for Reading. Everything is fairly simple and easy, but I came across a question that I cannot determine the answer for. The question is: "What is the meaning of the prefix pro- in the word 'proposed'?" The answer

*asked by DustyRose<3 on January 9, 2017* -
## Math Help 2 Questions Urgent!

1. The Pythagorean Theorem can be used to find distances between two points on a grid. But what about finding distances in three-dimensional space? Consider a rectangular box, which has length l, width w, and height h. What is the distance from one corner

*asked by Josh on April 30, 2014* -
## math

A farmer had 500 ducks and 300 chickens. He gave his sister 100 chickens and ducks. Later, the farmer bought 10 more ducks and 75 more chickens. As a result, the number of ducks decreased by 12% and the number of chickens increased by 15%. a) How many

*asked by Ms Sue(Or anyone else)--HELP ME on July 30, 2015* -
## Math - Algebra

An architect is designing a building in the shape of a rectangular pyramid. The number of windows on each floor forms an arithmetic sequence. There are 76 windows on the 7th floor, 68 on the 8th floor, and 4 on the very last floor Find an explicit formula

*asked by Richard on February 19, 2018* -
## math

As^5.V(s)+Bs^4.V(s)+Cs^3.V(s)+Ds^2.V(s)+Es^1V(s)+F.V(s)=1, where V(s) is the transformed transient output voltage. Rearranging the 5th order transient polynomial equation above we have: V(s) = 1 / H(s) where H(s) is a polynomial is a polynomial in s to be

*asked by Ak on April 17, 2016* -
## chemistry

Write a balanced equation for the neutralization of each of the following. Express your answer as a chemical equation. Identify all of the phases in your answer. Part A: H3PO4(aq) and NaOH(aq) Part B: Hl(aq) and LiOH(aq) Part C: HNO3(aq) and Ca(OH)2(aq

*asked by Lisa on April 1, 2012* -
## math

A barrel contains 163 gallons of paint and is being drained at a constant rate of 12 gallons per minute Write an equation that models the number of gallons, g, after t minutes The equation that models the given situation is

*asked by gail on November 4, 2012* -
## math

A barrel contains 163 gallons of paint and is being drained at a constant rate of 12 gallons per minute Write an equation that models the number of gallons, g, after t minutes The equation that models the given situation is

*asked by gail on November 4, 2012* -
## calculus

Xan you please tell me how you find the rate of change of Y= the square root of X when Y is increasing at 2 units per second and X=1? y= √x you are given dy/dt = 2 units/sec when x=1 I assume you want dx/dt, that is, how fast is x changing at that

*asked by john on July 29, 2007* -
## Chemistry

if 9560 J of energy were absorbed by 25.0g of ice at 0 degrees Celsius what would be the final temperature? First you must calculate the energy required to melt ice completely. With the remaining energy (Q). This is the equation i came up with but i'm not

*asked by Sage on February 24, 2016* -
## Math 1 tiny question

I posted this question a couple days ago and I also got help but I have one more question , so is the final answer to the question below: 30 downloads would make site A a better deal. No more than 30 and no less or is it equal to 30 and more or equal to 30

*asked by Rihanna on June 3, 2013* -
## math

can someone correct these for me. 8x –4y = 16 y = 2x –4 My answer: This problem does not have a unique solution. This problem therefore is consistent and dependent These equations are the same. If you solve the first one for y, you will see that the

*asked by jasmine20 on December 23, 2006* -
## math

The following table of values represents a line. x | y -10 | 19 0 | -1 10 | -21 50 | -101 Identify the equation of the line. Write the equation in slope-intercept form. My answer: −2x+(−1) The answer came out incorrect, and the correct answer was

*asked by John Doswell on February 29, 2016* -
## simultaneous equations

Solve 2a + b = 3 4a - 5b = 20 My attempt Multiply the first equation by 5 So, 10a + 5b = 15 4a - 5b = 20 Add them together 14a = 35 Divide both sides by 14 a = 2.5 Substitute (I have done it with the second one) 10 - 5b = 20 Take away 10 from both sides 5b

*asked by hs on January 10, 2014* -
## Math

The following table of values represents a line. x | y -10 | 19 0 | -1 10 | -21 50 | -101 Identify the equation of the line. Write the equation in slope-intercept form. My answer: −2x+(−1) The answer came out incorrect, and the correct answer was

*asked by John Doswell on February 29, 2016* -
## precalculus

Can you check my answers? find two sets of parametric equations for the given rectangular equation x+y^2=4 x=-y^2+4 y=-t^2 x=-t^2+4 x=-t^3 y=-t^3+4 Find a polar equation of an ellipse with its focus at the pole an eccentricity of e=1/4 and directrix at

*asked by Anonymous on December 13, 2016* -
## algebra

Set the equations equal to each other so you can determine when the car and bus are the same distance from the intersection. Collect all the terms on the left side of this new equation., leaving 0 on the right side. Factor the expression on the left side

*asked by sam on March 3, 2013* -
## Math

Mr.Edgington travels 25 mph in his boat. To determine how far he travels he uses the equation d=25h, where is d in the total distance in miles and h is the number of hours he travels on his boat. Find the independent and dependent variable and the

*asked by Emma on April 17, 2017* -
## pre calculus

can you check my work? find two sets of parametric equations for the given rectangular equation x+y^2=4 x=-y^2+4 y=-t^2 x=-t^2+4 x=-t^3 y=-t^3+4 Find a polar equation of an ellipse with its focus at the pole an eccentricity of e=1/4 and directrix at y=4.

*asked by Anonymous on December 13, 2016* -
## precalculus

will someone please check my work? find two sets of parametric equations for the given rectangular equation x+y^2=4 x=-y^2+4 y=-t^2 x=-t^2+4 x=-t^3 y=-t^3+4 Find a polar equation of an ellipse with its focus at the pole an eccentricity of e=1/4 and

*asked by Anonymous on December 13, 2016* -
## simultaneous equations

Solve 2a + b = 3 4a - 5b = 20 My attempt Multiply the first equation by 5 So, 10a + 5b = 15 4a - 5b = 20 Add them together 14a = 35 Divide both sides by 14 a = 2.5 Substitute (I have done it with the second one) 10 - 5b = 20 Take away 10 from both sides 5b

*asked by hs on January 10, 2014* -
## Math

A farmer had 250 ducks and 150 chickens. He gave a total of 100 chickens to his sister. Later, the farmer bought 5 more ducks and 35 chickens. As a result, the number of ducks decreased by 10% and the number of chickens increased by 20%. A) How many ducks

*asked by Anonymous on March 16, 2016* -
## geometry

Please use this for the portfolio. You will need graph paper. 1. Start with Triangle ABC with vertices: A(0,2), B(2,5), C(3,0) 2. Find slope of side AB and BC 3. Now TRANSLATE the Triangle 4 units left, and 2 units up (x-4,y+2) and give the new vertices to

*asked by brit on April 7, 2014*

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