# 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 517-
## statistics

12) The regression equation Credits = 15.4 - .07 Work was fitted from a sample of 21 statistics students. Credits is the number of college credits taken and Work is the number of hours worked per week at an outside job. A) Interpret the slope. B) Is the

*asked by kim on September 27, 2010* -
## calculus 1

I just need help getting started. I can't figure out the equation I need to use! An airplane passes over an airport at noon traveling 500 mi/hr due West. At 1:00 pm, another airplane passes over the same airport at the same elevation traveling due North at

*asked by cindy on July 10, 2011* -
## physics

A horizontal pipe (Venturi Tube) 10.0 cm in diameter has a smooth reduction to a pipe 5.00 cm in diameter. If the pressure of the water in the larger pipe is 2.0 x 105 Pa and the pressure in the smaller pipe is 5.0 x 104 Pa, at what rate does water flow

*asked by Anonymous on May 30, 2016* -
## math

A family drove 1080 miles to their vacation lodge. Because of increased traffic density, their average speed on the return trip was decreased by 6 miles per hour and the trip took 2.5 hours longer. Determine their average speed on the way to the lodge. Can

*asked by johnny on July 30, 2009* -
## science

An object 5 millimeters high is located 15 millimeters in front of a plane mirror. How far from the mirror is the image located? using the lens equation.. 1/f= 1/o + 1/i here, o is fifteen cm, focal length for a plane mirror is infintity, so 0=1/15 + 1/i

*asked by baraka on October 18, 2006* -
## chemistry

A mixture of CH4(g) at 0.500 atm and O2(g) at 0.750 atm is present in a 3.00-L container at 28°C. The mixture is ignited by a spark and reacts according to the equation provided below. What is the total pressure in the container, now at 44°C, after the

*asked by geoff on October 3, 2006* -
## Math Help!

1.) Solve the system by graphing. You may use paper or a calculator. 2x - y = 8 x + 3y = 11 2.) The revenue for a certain brand of toothpaste is y = 2.5x where 'x' is the number of tubes of toothpaste sold and 'y' is the total income for selling 'x' tubes.

*asked by Rana on December 7, 2013* -
## Maths

A swimming pool is being emptied and the amount of water remaining in the pool after t minutes after emoting commences is given by: Time t (min) Volume V (L) 0 30000 20 28800 40 25200 60 19200 80 10800 Find the equation describing the volume of water

*asked by Amelia on October 30, 2016* -
## Math

1.) Solve the system by graphing. You may use paper or a calculator. 2x - y = 8 x + 3y = 11 2.) The revenue for a certain brand of toothpaste is y = 2.5x where 'x' is the number of tubes of toothpaste sold and 'y' is the total income for selling 'x' tubes.

*asked by Rana on December 7, 2013* -
## Math

Hi Ihave the solution and all thE steps for this question.:.but I am still having a hard time understanding it :( could somebody please help me walk through all the steps to this question? 1) assume that an average television costs $425 now and that the

*asked by Dawn on May 30, 2011* -
## Calculus AP

Let R be the region in the first quadrant bounded by the graph y=3-√x the horizontal line y=1, and the y-axis as shown in the figure to the right. Please show all work. 1. Find the area of R 2. Write but do not evaluate, an integral expression that gives

*asked by Jess on March 1, 2013* -
## Fine Arts

3. Which of the following worked as an assistant on the first set of doors of the Florence Cathedral Baptistry? a. Michelangelo b. Brunelleschi c. Donatello d. Ghiberti 8. Which of the following artists created works with such small details that

*asked by mysterychicken on January 5, 2011* -
## chemistry

what exactly would you observe and see at the end of the reaction of zinc and lead nitrate? include in formation about colour changes and bubbles. you can use the following equation to help; zinc+lead nitrate(arrow) zinc nitrate+lead

*asked by Nabiha on June 20, 2009* -
## US Department of Labor

I need to know the top ten violations that most United States industries are guilty of conducting. also i need to know what are some of the others countries top violations are. thanks You should probably research OSHA on Google and other search sites. You

*asked by Cindy on April 11, 2007* -
## English

Read the following passage about Odysseus from Part 2 of the Odyssey: Now, being a man, I could not help consenting. So I went down to the sea beach and the ship, where I found all my other men on board, (120) weeping, in despair along the benches.

*asked by Kaai97 on March 9, 2016* -
## Physics(Please help)

1)A 1180-kg van, stopped at a traffic light, is hit directly in the rear by a 753-kg car traveling with a velocity of +1.81 m/s. Assume that the transmission of the van is in neutral, the brakes are not being applied, and the collision is elastic. What is

*asked by Hannah on June 3, 2012* -
## chemistry(check my work)

When a reaction mixture with a total volume of 1720 mL that contains 0.605 L of gaseous CO2 measured at STP dissolved in 940 mL of water was stoichiometrically produced as per the balanced equation, how many mol of solid CaCO3 were required? H2SO4(aq) +

*asked by eng on April 2, 2010* -
## Math

Post a New QuestionCurrent Questions Homework Help: Math Posted by Mikil on Wednesday, September 23, 2015 at 6:50pm. Write a linear equation in slope intercept form for each of the following: A line perpendicular to y=x+2 that passes through the origin. A

*asked by Mikita on September 23, 2015* -
## Calculus

How would you begin this problem? On a standard summer day in upstate New York, the temperature outside can be modeled using the sinusoidal equation O(t) = 11 cos (pi/12 t) + 71, where t represents the number of hours since the peak temperature for the

*asked by Jillian on August 22, 2012* -
## Physics(Please respond)

1)A 1180-kg van, stopped at a traffic light, is hit directly in the rear by a 753-kg car traveling with a velocity of +1.81 m/s. Assume that the transmission of the van is in neutral, the brakes are not being applied, and the collision is elastic. What is

*asked by Hannah on June 3, 2012* -
## statistics

government data assign a single case or each death that occurs in the u.s. the data show that the probability is 0.45 that a randomly chosen death was due to cardiovascular disease, and 0.22 that i was due to cancer. Suppose a docote checked the cause of

*asked by josh on October 24, 2011* -
## English

Can you please check if my sentences are possible? Thank you 1)When she was born,the doctors noticed that she had a problem with her feet. 2)She was operated on her feet (?)/(She underwent an operation) and the doctors amputated her feet and part of her

*asked by Franco on November 16, 2010* -
## physics

A)You are in a hot air balloon (yes, another balloon problem!) rising from the ground at a constant velocity of 2.50 m/s upward. To celebrate the takeoff, you open a bottle of champagne, expelling the cork with a horizontal velocity of 5.70 m/s relative to

*asked by Eleni on January 31, 2014* -
## Computer Science - MATLAB

thanks mathmate. It's way above my head to. I got another question Consider the following two equations: x^2 + y^2 = 42 x + 3y + 2y^2 = 6 Define a symbolic equation for each, and solve it by using MATLAB's symbolic capability. Could you solve these

*asked by Lee on July 20, 2011* -
## history

describe the moral climate in the 1920's. Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. If there's not a tutor with this specialty online right now, be

*asked by Tiffani on August 1, 2007* -
## american civil war

i need some help quick, please help!!! 1)what did cone-shape shells replaced in the civil war? 2)what were the states that threatened to sedede from the CONFEDERACY called? 3)what was the method by which Confederacy raised money from farmers during the

*asked by natn on April 2, 2007* -
## ENGLISH

english is not my first language ,plz help i m writing an essay .. In order to prevent the risk factor of social media, parents should involve in children social media and other online issues. .Parent should win the confidence of their children and

*asked by shamn on October 2, 2014* -
## math

The sales team at an electronics store sold 48 computers last month. The manager at the store wants to encourage the sales team to sell more computers and is going to give all the sales team members a bonus if the number of computers sold increases by 30%

*asked by anonymus on April 7, 2014* -
## Law

Simone is a 15 year old and a repeat offender. She has been arrested again. In what order will her proceedings occur? A. Intake, Referral, Dispositional Hearing, Adjudication, Aftercare. B. Adjudication, Intake, Dispositional Hearing, Aftercare. C.

*asked by Tellurian on April 29, 2016* -
## finance

A client in the 26 percent marginal tax bracket is comparing a municipal bond that offers a 6.4 percent yield to maturity and a similar-risk corporate bond that offers a 9.10 percent yield. Determine the equivalent taxable yield. (Round your answer to 2

*asked by deda on November 26, 2016* -
## Chemistry

Using the reaction and the E∘ given below 2Co^3+(aq)+2Cl^−(aq)→2Co^2+(aq)+Cl2(g) E∘=0.46 V what is the cell potential at 25 ∘C if the concentration are [Co^3+]= 0.565M , [Co^2+]= 0.554M , and [Cl^−]= 0.838M and the pressure of Cl2 is PCl2=

*asked by Aria on June 21, 2013* -
## Physics

A brass rod 50.0 cm long expands 0.0734 cm when heated. Find the temperature change. Using the equation Change in temp=change in length/original length * coefficient of linear expansion for brass I am getting the following result: .0734 cm/(1.9x10^-5)(50

*asked by Jackie on July 12, 2015* -
## Trigonometry/Geometry - Inequalities

Let a, b, and c be positive real numbers. Prove that sqrt(a^2 - ab + b^2) + sqrt(a^2 - ac + c^2) is greater or equal to sqrt(b^2 + bc + c^2). Under what conditions does equality occur? That is, for what values of a, b, and c are the two sides equal? This

*asked by Sam on December 7, 2013* -
## Physics

Here's the question: A 55 kg swimmer is standing on a stationary 235 kg floating raft. The swimmer then runs off the raft horizontally with a velocity of +4.3 m/s relative to the shore. Find the recoil velocity that the raft would have if there were no

*asked by Christina on December 10, 2012* -
## Algebra

Keiko is a software saleswoman. Let x represent her total pay (in dollars). Let y represent the number of copies of History is Fun she sells. Suppose that x and y are related by the equation 2200+900x=y. Answer the questions below. Note that a change can

*asked by Stacey on March 26, 2014* -
## Astronomy

The Hubble Space Telescope orbits at an altitude of 600 km above the Earth's surface. Assuming it is in a stable circular orbit, what is its velocity? For reference, the Earth's radius is 6400 km and Earth's mass is 6 x 10^24 kg. The formula to solve for

*asked by Allison on February 15, 2015* -
## Math

The demand equation for a product is: q=60/p + ln(65-p^3) A) Determine the point of elasticity of demand when p=4, and classify the demand as elastic, inelastic, or of unit elasticity at this price level. B) If the price is lowered by 2% (from $4.00 to

*asked by pebbles on January 9, 2017* -
## Physics

Consider the series RLC circuit in which R2

*asked by rishabh gupta on May 6, 2013* -
## Chemistry

Suppose that coal of density 1.5g/cm3 is pure carbon. The combustion of carbon is described by the equation C+O2---> CO2 ∆H◦ = −394 kJ What is the value of q (heat) a ump of coal the size of 7.5cm*7cm*6.5cm is burned? answer in kJ what mass of water

*asked by Susan on May 21, 2014* -
## physics

A 0.50 kg mass at the end of a spring vibrates 6.0 times per second with an amplitude of 0.18 m. (a) Determine the velocity when it passes the equilibrium point. 1Your answer is incorrect. m/s (b) Determine the velocity when it is 0.02 m from equilibrium.

*asked by sway on April 21, 2010* -
## Math

A drugstore sells a drug costing $85 for $112 and drug costing $175 for $238. A, If the markup policy of the drugstore is assumed to be linear, write an equation that expresses retail price R in terms of cost C (wholesale price). B, what does a store pay

*asked by daylo3 on January 29, 2011* -
## Finite Math

65, A drugstore sells a drug costing $85 for $112 and drug costing $175 for $238. A, If the markup policy of the drugstore is assumed to be linear, write an equation that expresses retail price R in terms of cost C (wholesale price). B, what does a store

*asked by daylo on January 23, 2011* -
## Physics

I agree with this and see were it comes from net force = (delta p)/t so momentum is conserved when net force equals zero... net force = (delta p)/t 0 = (delta p)/t however the following is not true 0 = (delta p)/t = P - Po were p is momentum and Po is used

*asked by Physics on October 3, 2009* -
## Typo (Test Marked)

Okay i had a typo i for got to add stars..i had emojis next to it that didn't show up What number is 73% of 215? (1 point) 215 = 0.73n n = 0.73 × 215 * 0.73 = n × 215 215 = 73n 2. What percent of 94 is 23? (1 point) n/94 = 23/100 23/94 = n/100 * 94/n =

*asked by Crystal on January 6, 2016* -
## Social Studies

Please check my answers I'll give u a cookie! 1. How did the environment of Arabia serve as a form of protection during much of the region's history? A. Its fertile oases enabled farmers to grow enough food for themselves and for sale. B.** Its extreme

*asked by Junko :D on November 26, 2018* -
## algebra

could you please show me how to do this problem? Bob rows 6 miles downstream in 1 hr, joe rows 6 miles upstream in 2 hr. joe rows 1 mile per hour faster. a. what is each of their speed, bob 6/1=6mph joe 6 + 1 = 7mph is this right?? b. what is the current

*asked by ann on April 15, 2012* -
## Algebra

An investment grows according to the exponential equation y = 15,000 · 1.07x, where x is the number of years invested. Which of the following statements is true? A. The investment will continue to grow at a rate of 7% per year compounded quarterly. B. The

*asked by David B. on May 1, 2016* -
## Help!

I am stumped with a problem we are supposed to help our 4th grader with ... Study the number of pairs: 3 - 8 ; 4 - 11; 5 - 14; 6 - 17; and the it has blanks down to 10 - 29; ... ok we get this part ... adding 2 more each set ... now the questions ... If 50

*asked by Frustrated mom! 4th grd MATH on September 19, 2008* -
## chemistry- DrBob

Last week i did a lab and i just wanted to show you my results because my computer was acting weird when i used the voltage probe.(I just needed you to check that the cathode and anodes and voltages make sense) CuSO4(cathode)and Al2(SO4)3 (anode)--[0.050V]

*asked by Amy on May 16, 2008* -
## Mathamatics

I need help figuring out these two math word porblem: 1) A sales tax of 6% of the cost of a car was added to the purchase price of $29,500. a. how much was the sales tax? b. What is the total cost of the car, including sales tax? 2) During the packaging

*asked by Tati on November 15, 2008* -
## To DAMON.. (RE: Phys question u solved yesterday)

YOU DID The tension in the string is the force exerted down by the falling disk and up by whatever is holding the disk. They are equal and opposite. If the disk is a yo-yo, that force is exerted by your finger on the string to give the tension. Force up on

*asked by Stacu on December 16, 2008* -
## Deepa

A bus service carries 10 000 people daily between Ajax and Unoin Station, and the company has space to serve up to 15 000 people per day. The cost to ride the bus is 20$. Market research shows that if the fare increases by $0.50, 200 fewer people will ride

*asked by Calculus on April 26, 2014* -
## English Check please

Read the following passage about Odysseus from Part 2 of the Odyssey: Now, being a man, I could not help consenting. So I went down to the sea beach and the ship, where I found all my other men on board, 120 weeping, in despair along the benches. Sometimes

*asked by Delia on February 4, 2015* -
## math

A football team has a net yardage of -26 1/3 yards on a series of plays. The team needs a net yardage of 10 yards to get a first down. How many yards do they have to get on their next play to get a first down? **write an equation and solve. THANK YOU!

*asked by kimie on November 4, 2015* -
## geometry

draw ABC with vertices A(-2,0)B(8,8),And C (4,-2) B) draw the median from vertex A. Then,find the equationin slope y-interceptform for this median c)draw the right bisector of BC. Then,find the equation for this right bisector

*asked by aiza on March 12, 2015* -
## Math

Amelia's soccer team won 3/4 of outgrew its games.The team won 18 games.How many games did the team play? Equation:3/4g=18 ,g is the total number of games. Possible solution: g=18×4/3,g is 24?

*asked by Mary on January 9, 2015* -
## math

i don't get this question consecutive integers are integers that differ by one. you can represent consecutive integers as x,x+1,x+2 and so on. write an equation and solve to find 3 consecutive integers whose sum is 33 how do you solve this

*asked by Sara! on May 24, 2010* -
## Algebra2

Does the relation in the table represent direct variation, inverse variation, or neither? if it is direct or inverse variation, write an equation to represent the situation. Explain your answer x 5, 10, 15, 20 Y 2, 1, 2/3, 1/2

*asked by Steve on February 19, 2017* -
## math

Select the equation that solves this problem: Eight coins (dimes and quarters) are worth 170 cents. How many dimes are there? a. 10d + 25(11 - d) = 170 b. 10d + 25(8 - d) = 170 c. 10d + 5(8 - d) = 60 d. 10d + 5(11 - d) = 60

*asked by Cheril on April 11, 2012* -
## math

Could someone please help us to write and solve an equation for this: A football team has a net yardage of -26 1/3 yards on a series of plays. The team needs a net yardage of 10 yards to get a first down. How many yards do they have to get on their next

*asked by Tim on November 4, 2015* -
## Algebra

Suppose you are at the gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas tank with g gallons. Given the equation: C(g) = (3.5)g a) Find C(2) b) Find C(5)

*asked by Ann on October 28, 2010* -
## Math

The Jaspers collect nickels, dimes, and quarters in a jar. When they count the change in the jar, there are twice as many nickels as there are quarters. If there is $15.30 in dimes and $74.80 in all, how many quarters are there. Please include an equation

*asked by Anonymous on January 16, 2013* -
## algebra

The equation a = 640s gives the relationship between s square miles and a acres. Pam owns 7.5 square miles of farmland. How many acres does she own? A. 480 acres B. 11.72 acres C. 4,800 acres D. 1.17 acres

*asked by PhantomGirl on November 11, 2015* -
## Pre-Algebra

The Jaspers collect nickels, dimes, and quarters in a jar. When they count the change in the jar, there are twice as many nickels as there are quarters. If there is $15.30 in dimes and $74.80 in all, how many quarters are there. Please include an equation

*asked by Anonymous on January 16, 2013* -
## Math please help ms sue

The Jaspers collect nickels, dimes, and quarters in a jar. When they count the change in the jar, there are twice as many nickels as there are quarters. If there is $15.30 in dimes and $74.80 in all, how many quarters are there. Please include an equation

*asked by Anonymous on January 16, 2013* -
## hydraulics

Specific recharge along the top boundary is 1 mm/day. Write equation for head along the boundary as function of conductivity and recharge variable. Is it h(head)=R(recharge)/K(conductivity)?

*asked by Yusha on March 5, 2011* -
## Calc

Which functions of x and y in terms of time t can be derived from this rectangular equation? (x^2/4)+y^2=1 A. x = 2sin t, y = -cos t B. x = sin t, y = 5cos t C. x = sin t, y = 2cos t D. x = -sin t, y = 2cos t E. x = 2sin t, y = 5cos t

*asked by Chris on April 26, 2013* -
## calculus

18) The demand equation is x + 1/6p - 10+0. Compute the elasticity of demand and determine whether the demand is elastic, unitary, or inelastic at p=50. a) 5; elastic b) 1/9; inelastic c) 7/6; elastic d) 6; elastic I choose answer A. Is that correct?

*asked by Ben on June 15, 2011* -
## Calculus (demand)

18) The demand equation is x + 1/6p - 10+0. Compute the elasticity of demand and determine whether the demand is elastic, unitary, or inelastic at p=50. a) 5; elastic b) 1/9; inelastic c) 7/6; elastic d) 6; elastic I choose answer A. Is that correct?

*asked by Steff on June 15, 2011* -
## Physical

The specific heat of aluminum is 0.897 J/g•°C. Which equation would you use to calculate the amount of heat needed to raise the temperature of 0.75 g of aluminum from 7°C to 29°C? A. Q = 0.75 g x 0.385 J/g•°C x 22°C B. Q = 0.75 g x 0.385 J/g•°C

*asked by Anonymous on March 25, 2016* -
## Math

A line intersects the graph of y=x^2 twice. One point has an x-coordinate of -4, and the other point has an x- coordinate of 2. A. Find the equation of the line. B. Find the measure of the angle that the line makes with the x-axis.

*asked by Anonymous on January 23, 2012* -
## Chemistry

Magnesium reacts with oxygen to form magnesium oxide according to the following equation: 2Mg(s) + O2(g) ==> 2MGO(s) If 0.81 grams of magnesium oxide are formed, how many grams of oxygen reacted?

*asked by Danny on May 5, 2010* -
## Maths

prove that the equation of straight line which passes through the point (a cos^3a, sin^3a) & is perpendicular to the straight line x sec a+y cosec a=0 is x cos a-y sin a = a cos 2a.

*asked by Sonal on May 31, 2013* -
## math 6th grade

the bridge span is 360 meters long. the bridge is 30 meters shorter than the main span. write and solve an equation to the the length of the main span

*asked by cam on February 3, 2014* -
## Pre calculus

How do I solve this exponent problem? I understand the exponent rules, but I getting 1 but 1 is not the answer! I don't want anyone to solve the problem for me, I want to learn how to solve this type of problem. Thank you! Solve the equation: -8=-3-6

*asked by anon on March 27, 2013* -
## algebra

A secretary at the police department makes $8 less per hour than the dispatcher. The combined hourly wage of the secretary and the dispatcher is $40. Which equation could be used to find the hourly wage of the dispatcher? A. 2x + 8 = 40 B. 2x − 8 = 40 C.

*asked by orpheus on November 19, 2013* -
## Math

Write an equation for the problem. And solve it. Sierra caught 3 times as many fish as Lily. They caught a total of 20 fish. 3x*2=20 ---is this right? if it is plz help me solve it thanks u You can say 3n+n=20 n= lily's fish.

*asked by Maria on November 24, 2006* -
## algebra

*asked by adriana on December 9, 2014* -
## Circles (Conic Sections)

I have no idea how to do these problems: Find an equation of each circle. 1. Center (3,5); tangent to the x axis 2. Center (5,-3); tangent to the y axis 3. Tangent to the x axis, y axis, and the line y=5 (two answers) I just really need help understanding

*asked by Amanda on April 21, 2009* -
## Calculus

The position equation for a particle is s(t)=√t^3+1 where "s" is measured in feet and "t" is measured in seconds. Find the acceleration of the particle at 2 seconds A) 1ft/sec^2 B) 2/3 ft/sec^2 C) - 1/108 ft/sec^2 D) None of these

*asked by Alice on December 26, 2018* -
## algrebra 1

A secretary at the police department makes $8 less per hour than the dispatcher. The combined hourly wage of the secretary and the dispatcher is $40. Which equation could be used to find the hourly wage of the dispatcher? A) 2x + 8 = 40 B) 2x − 8 = 40 C)

*asked by AP on February 3, 2011* -
## Algebra

Krishna is building a rectangular sandbox. The length of the sandbox is two feet longer than twice the width of the sandbox. The perimeter of the sandbox is 28 feet. What equation could be used to determine the width? What is the width?

*asked by Kirin on October 6, 2015* -
## Statistics

A student group claims that first-year students at a university must study 2.5 hours (150 minutes) per night during the school week. A skeptic suspects that they study less than that on the average. A class survey finds that the average study time claimed

*asked by Kate on March 9, 2010* -
## Science

Give two advantages that a telescope lens or mirror of large diameter has over one of small diameter The light-gathering power of an optical telescope is directly related to the diameter (or aperture) of the objective lens or mirror. Note that the area of

*asked by Lisa on February 2, 2007* -
## English

Need to write whether the verb in Transitive or Intransive. 1. John received a silver trophy. A=trans 2. The judge gave him a check for $100. A=trans 3. The contestants all played well. Answer=intrans 4. Thomas won a silver plate in a different competion.

*asked by Emily on March 29, 2011* -
## Algebra 2

A study investigated the job satisfaction of teachers allowed to choose supplementary curriculum for their classes versus teachers who were assigned all curricular resources for use in their classes. On average, when surveyed regarding job satisfaction,

*asked by Jasmine on December 9, 2014* -
## Chemistry

Can someone show and explain to me step by step how to do the problems? I feel like I am doing it incorrectly. a) The solubility of PbI2 is 3.67 mg per mL. What is the Ksp? b) Three drops of 0.20 M potassium iodide are added to 100.0 mL of 0.010 M lead

*asked by Miki on March 25, 2014* -
## Social Studies

fter the Civil War, Americans faced the new challenge of reuniting the nation. How would the ex-Confederate states be treated? Would they be allowed to reenter the nation? What would be the fate of the nearly four-million newly freed slaves? Political

*asked by alici on June 6, 2016* -
## chem

I posted a question earlier that I was having trouble with, but I was unable to attempt to try it again for several days after posting. The question was: A buffer is made up of .300 L each of .500 M KH2PO4 and .317 M K2HPO4. Assuming tha the volumes are

*asked by James on May 5, 2007* -
## Cyclohexane

If you knew that you had either cyclohexane or cyclohexene in the lab but weren't sure which, how could you determine which it was? Thanks from Sheryl Since I'm not an organic chemist I would think of an organic test LAST. Density, refractive index, and

*asked by Sheryl on December 5, 2006* -
## AP Chemistry

I am doing a lab on finding the molecular mass of a volatile liquid. I first need to find the volume of water in the test tube. (V= m/d) ... but how do I find the density of the water in the first place to use it in the equation? (I am not given the volume

*asked by Sarah on January 5, 2010* -
## Physics

How would I express the magnetic force in terms of Fmax if the angle between the velocity and the magnetic field direction is 10 degrees? I know the magnetic force equation is F=qVBsin(theta), but how do I put it in terms of maximum force (Fmax)?

*asked by Savannah on March 22, 2016* -
## Algebra 1

After 5 lessons of French, you have learned 20 vocab words. After 10 lessons, you know 40 vocab words. Write an equation that gives the number of vocabulary words you know as a function of the number of the lessons you have had. Label variables. So, 5x+20

*asked by Allyson on December 1, 2010* -
## algebra

The natural stride up a certain staircase has a slope of 3/5, meaning that a run of 5 inches has a rise of 3 inches. The model for a standard staircase is y=(3/5)x Find the rise for a staircase constructed at a mansion which has a run of 12 inches. Not

*asked by chris on December 7, 2010* -
## Algebra

On a school field trip, the bus travels 16 miles in 30 minutes. find the speed of the bus in miles per hour. use the equation D = RT, where D is distance, R is rate and T is time. The speed of the bus is _____ miles per hour

*asked by Perri on March 31, 2015* -
## math

Alright, let's say you want to get from one point to another, in a 3D box. all points have an x, y and z coordinate. Point A has coordinates (25,30,5) while Point B has coordinates (50,26,18). The only given variable other than the coordinates is the speed

*asked by Jesse on May 27, 2008* -
## Math

The drama club is planning a field trip. Two-thirds of the drama club will attend, in addition to 8 teachers. There are 48 people going on the field trip. Write an equation you can use to find the number of students in the drama club.

*asked by Jainam Gandhi on November 29, 2016* -
## algerbra

AN ORCHESTRA CONSISTS OF STRINGS INSTRAMENTS AND WIND INSTIMENTS IN A RATIO OF 9 TO 4. THERE ARE 91 STRINGS AND WIND INSTRUMENTS IN THE ORCHESTRA. hOW MANY STRING INSTRUMENTS ARE THERE? how many wind instruments? Use a system of equation to model each

*asked by kelly on March 17, 2008* -
## Chemistry

Consider the following chemical equation: TiCl4(g) + 2Mg(l) → Ti(s) + 2MgCl2(l) 3.54×107g of TiCl4(g) were reacted completely and 7.91×106g of Ti(s) was obtained in the experiment. a. Calculate the theoretical yield of Ti(s). b.What is the actual yield

*asked by Jennie on February 24, 2015* -
## Manuscript on an Article (bobpursley)

Posted by bobpursley on Saturday, January 27, 2007 at 8:56pm in response to English (Speech). Read the article. What did it say? What was it point of view? Was the author complete in the analysis? What needs to be done? How did it make you feel? So in the

*asked by Andrew on January 28, 2007*

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