# 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 469-
## physics

A ball is dropped into a well. A splash is heard 43 seconds later. The speed of sound (the speed at which sound travels through the air) is 345 m/s. HOW DEEP WAS THE WELL? I don't even know which equation to plug this into. At first I just tried s=d/t->

*asked by Debby on August 30, 2014* -
## Chemistry

Calculate the entropy of formation (J/K mol) of CS2(l). The value of T delta S^0 for the equation as written is -16.7774 KJ/mol. (the given standard entropies are: O2= 205.138, CO2= 213.7, SO2= 248.22) CS2(l) + 3 O2(g) --> CO2(g) + 2 O2(g)

*asked by Anonymous on March 10, 2008* -
## chemistry

How do you figure out the answer for the reverse reaction? At 350 K the value of Kp for the equilibrium represented by the balanced equation is 2.87 x 10-2. Calculate the value of Kc for the reverse reaction at the same temperature. Express answer in

*asked by andy on April 13, 2010* -
## Chemistry

Based on the ratio of mean moles of O2/mol KClO3 what is the chemical equation for the reaction that occurred? Why? Is this conclusion in accord with the mass of the solid product that you obtained? Explain Moles of O2/mol KClO3 = 1.95x10^-2

*asked by John on March 27, 2017* -
## Algebra 1

Seiji and Gavin both worked hard over the summer. Together, they earned a total of $425. Gavin earned $25 more than Seiji. Hoe much did each of them earn? A. Write a system of two equations to model this program. I got 1 equation down, i just cant figure

*asked by Sean on January 23, 2015* -
## Algebra 2

For a typical basketball shot, the ball's height in feet will be a function of time in flight in seconds, modeled by an equation such as h = -16t^2 + 40t + 6. Find when the shot might reach the height of the basket which is 10 feet.

*asked by Eenra on April 16, 2016* -
## Chemistry

Is the decomposition of lead(ii)nitrate a redox reaction? Equation with O.S. underneath 2Pb(NO3)2 => 2PbO + 4NO2 + O2 +2 -1 +2-2 +4-2 0 I got all the o.s. but I am still confused as to whether or not this makes it a redox reaction. Do the individual

*asked by Faith on October 13, 2015* -
## physics

A block of mass m = 2.00 kg slides down a 30.0° incline which is 3.60 m high. At the bottom, it strikes a block of mass M = 7.20 kg which is at rest on a horizontal surface Determine the speeds of the two blocks after the collision. lighter block =

*asked by Haley on March 24, 2011* -
## Systems of Inequalities-8th Grade Algebra

Graph the equation. The graph will divide the coordinate plane into four reqions. Write a system of inequalities that describe each region. Labe the region with these inequalities. 1) y = x - 3 y = 9 - x I already graphed it, I only need help on writing

*asked by Marta on March 12, 2009* -
## Physics

A rectangular loop of wire, L = 26.2 cm and W = 15.4 cm, carries a I1 = 1.83 A current and lies in a plane (d = 13.6 cm), which also contains a very long straight wire carrying a I2 = 10.5 A current. I used this equation: F1+F2 =

*asked by josh on March 24, 2012* -
## Math

Given the points (3,52488) and (-4,-393216), determine (a) the linear function , (b) the power function , for these two points. ( N.B. If you use your calculator immediately without thinking, it will say that there are no solutions, but there are

*asked by Lake on March 24, 2015* -
## algebra

You are using 0.05 gallons per mile of a SUV gas tank that holds 16 gallons. Note: this equation has a negative slope (m). Use x-values: 0, 160, and 320. I think the problem should be y=.05x+16 Confused since the teacher says it has a negative slope.

*asked by caitlin on May 13, 2013* -
## Physics (vectors)

I am stuck with this question.Please help. I have a triangle that is not a right triangle with sides A, B, and C.(no values).The arrow's heads of A and B are joined and the arrow's head of C is in the tail of B. If the resultant is A,what is the vector

*asked by Kathy on February 15, 2013* -
## chemistry

Al(s) + H2SO4(aq)-> Al2(SO4)3(aq) + H2(g) Consider the unbalanced equation above. What volume of 0.490 M H2SO4 is needed to react with excess aluminum to produce 1.60 g of Al2(SO4)3? Use a molar mass with at least as many significant figures as the data

*asked by jade on March 12, 2012* -
## Physics

A plane can travel with a speed of 80 mi/hr with respect to the air. Determine the resultant velocity of the plane (magnitude only) if it encounters a: 10 mi/hr cross wind; 60 mi/hr cross wind; 10 mi/hr tailwind; 10 mi/hr headwind. I have no idea what

*asked by Oleg on October 4, 2015* -
## Calculus

Find the length in the first quadrant of the circle desribed by the polar equation r = 2sin theta + 4 cosTheta. The circle is graphed in the accompanying figure. A. (Square Root 2)Pi B. (Square Root 5)Pi C. 2Pi D. 5Pi

*asked by Anonymous on August 7, 2012* -
## MATHEMATICS_algebra

A man accepts a position at Php9000 a month with the understanding that he will receive an increase of 10% a year computed on the previous years salary. Form an equation that will compute how much he will receive a month after 10 years of service.

*asked by PDF on February 8, 2012* -
## physics

Which of the following statements is a consequence of equation E=mc^2? Energy is released when matter is destroyed Mass and energy are equivalent The law of conservation of energy must be modified to state that mass and energy are conserved in any process

*asked by kevin on April 11, 2012* -
## Hydrology

I have no idea how to calculate this, I just need some direction please (like an equation)? Consider a drainage basin 187 km2. How much water is produced (m3) if 2.5 inches of rain falls on the basin? How many people could be supported on the water

*asked by Shelly on January 28, 2015* -
## Chemistry

Charcoal is primarily carbon. What mass of CO2 is produced if you burn enough carbon (in the form of charcoal) to produce 4.85×102kJ of heat? The balanced chemical equation is as follows: C(s)+O2(g)→CO2(g),ΔH∘rxn=−393.5kJ

*asked by Bri on October 26, 2015* -
## chemistry

Complete and balance each of the following equations. K2SO4(aq)+BaBr2(aq)→ Would it be K2SO4(aq)+BaBr2(aq)→K2Br2 +SO4Ba? Express your answer as a chemical equation. Enter no reaction if no precipitate is formed. (How can we know if a solid is formed in

*asked by Luis on September 30, 2014* -
## MATH

A salesperson makes a flat fee of $20 per day plus $8per hour. Which equation or inequality can be used to find h, the number of hours the salesperson will have to work to make more than $60 for a day's work? F. 20h + 8 = 80 G. 8h + 20 < 60 H. 8h + 20 = 60

*asked by Shamar on April 20, 2011* -
## MATh (check my answer please)

A salesperson makes a flat fee of $20 per day plus $8per hour. Which equation or inequality can be used to find h, the number of hours the salesperson will have to work to make more than $60 for a day's work? F. 20h + 8 = 80 G. 8h + 20 < 60 H. 8h + 20 = 60

*asked by Sofie on April 20, 2011* -
## Chem

Calculate the reaction quotient Q,for the cell reaction.The measured cell voltage is given.balane the chemical equation by using the smallest whole number coefficients. (a) Pt(s)Sn4+(aq),Sn2+(aq)||pb2+(aq),pb2+|C(graphite)(s) -E=+1.33V

*asked by Prisca on February 10, 2013* -
## math

write a system of two equation and use them to solve the following problem: two farmers were discussing how many chickens and cows they would purchase at market. the first farmer says to the second, I have just purchased 30 new heads and 100 feet. how many

*asked by stef on July 29, 2012* -
## Math

I have no idea how to do this... Help determine the best deal. Balance After ( T= time year) Credit Card Equation 0 year 3months 6months 1year 2years A $607.99(1.15)^12t $607.99 $664.80 B $607.99 (1.09) ^2t C $607.99 (1.0425) ^4t

*asked by Jimin_BTS_ARMY! on April 18, 2019* -
## math

Bobby has been driving at a constant speed for the last 30 minutes. If Bobby is traveling at a speed of 70 miles per hour, which equation best represents the relationship between time in hours(c) and distance in miles (d). A. d = 70t B. t = 70d C. d = t +

*asked by ben on April 9, 2015* -
## Math

Brad is paid time-and-a-half if he works over 40 hours in a week. one week he worked 55 hours and earned $697.50.Write and solve an equation that can be used to find Brad's regular hourly rate.

*asked by Hanna Hyung on February 24, 2014* -
## Grade 11th Physics

This question is based upon differential calculus. Velocity of the particle is given by the equation: v = (2t^2+5)cm/s. Find:- (i) The change in velocity of the particle during the time interval t1 = 2s and t2 = 4s. (ii) Average acceleration during the

*asked by Akashdeep on July 8, 2010* -
## algebra

Determine whether y varies directly with x. If so, find the constant of variation k and write the equation. The table ges right side dwnards, 7,8,9,10 the left side dwn ges 11, 13, 15, 17 Now I understand it I just don't knw how t write it. Help please

*asked by Shadrick on November 10, 2012* -
## Math

Conrad taxi service charges $1.50 for the first mile and $0.90 for each additional mile. -How far can Mr. Kulp go for $20 if he gives the driver a $2 tip. -Write a let statement; represent the additional miles in terms of the total travelled. -Write an

*asked by Meagieting on September 13, 2012* -
## pre-calculus 11

I am asked to solve the absolute value equation of |1/2x +1| =x+1 graphically. I can solve this algebraically and consider two cases for the absolute value one being positive and the other negative. I know this will be a straight line and when I solved it

*asked by george on June 14, 2015* -
## Math( please help)

a ball is kicked in the air from the top of a cliff. the path the ball travels is given by the equation h(t)=-5t^2+17t+22 where h(t) is the height in metres and t is the time in seconds a) what is the maximum height that the ball reaches b)when will the

*asked by Julie on October 16, 2011* -
## Math

Can you help me with my son's homework question: Maria earned $110, which is $86 more than twice the amount Joan earned. How much did Joan earn? a. $12 b. $18 c. $24 d. $30 I would like to know the 5th grade equation that represents the answer. I guess I'm

*asked by Rich on September 3, 2008* -
## Math

An equation is given. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal places where appropriate. If there is no solution, enter NO SOLUTION.) Find the solutions in the interval: √3tan(3θ)-1 Interval

*asked by Janet on April 27, 2019* -
## chem

The decomposition of sulfuryl chloride (SO2Cl2) is a first-order process. The rate constant for the decomposition at 660 K is 4.5 10-2 s-1. (a) If we begin with an initial SO2Cl2 pressure of 425 torr, what is the pressure of this substance after 74 s? what

*asked by Hannah on February 2, 2013* -
## algebra

The height of a ball dropped from a tall building is modeled by the equation d(t) = 16t2 where d equals the distance traveled at time t seconds and t equals the time in seconds. What does the average rate of change of d(t) from t = 2 to t = 5 represent?

*asked by Anonymous on March 29, 2014* -
## Algebra

A man drives from city to village a distance of 48 km ,in 45 minutes. Where the road surface is good , he drives at 72 km/hr and where it is bad , at 48 km/hr. Find the number of kilometres of good surface. (Form an algebraic equation and solve it).

*asked by Zia on November 12, 2016* -
## Chemistry

It took 400 calories of heat to raise 50 mL of water from 20 degrees Celsius to its final temperature. What was that temperature? Ok I understand the equation q=mass x SH x change in temp. I am lost on how to set it up to find my final temp. Please help.

*asked by Shambrey on March 14, 2011* -
## matH

casper bought some pencils at .50 cents each. he had $3.00 left after purchase. if he wanted to buy the same number of notep[ads at .80 cents each he would be short $1.50 write a linear equation for the number of pencils he purchased. Solve

*asked by Anonymous on January 21, 2013* -
## Math

Solve the following quadratic equation(as exact values) using the quadratic formula. x^2-10x-15=0 I got 5+-2sqrt10/2. ^ Sorry hard to write it out. But basically there is a 5 there, the negative sign is supposed to be under the positive sign, then there is

*asked by -Untamed- on December 5, 2011* -
## algebra

when a ball is thrown up into the air it makes the shape of a parabola the equation s=-16t^2+v*t+k gives the height nof the ball at any time t in seconds where "v" is the initial velocity (speed)in ft/sec and "k" is the initial height in feet

*asked by angela toliver on August 1, 2010* -
## Math-Help please?

Michael owns 300 shares of a certain stock. Suppose the price of the stock drops by $4 per share. Write a multiplication equation to find the change in Michael's investment. I put 300x(300x[-4]) is that right?

*asked by Anna on November 14, 2011* -
## chemistry

Hydrogen and oxygen gas combine explosively to produce water. Write a balanced chemical equation for this process. If 10 moles of hydrogen reacted with oxygen, what volume of liquid water could be produced?

*asked by Bren on January 5, 2015* -
## pre-calculus 11

I am asked to solve the absolute value equation of |1/2x +1| =x+1 graphically. I can solve this algebraically and consider two cases for the absolute value one being positive and the other negative. I know this will be a straight line and when I solved it

*asked by george on June 10, 2015* -
## college Chemistry

Write a balanced equation for the dissolution of sodium carbonate (Na2CO3) in water. Find the number of moles of Na+ produced when 0.318 mol of sodium carbonate dissolves. Answer in units of mol.

*asked by guy on January 24, 2009* -
## Algebra

Maizie earns a base salary of $200 per month and 8% commission on all sales she makes. Maizie's monthly pay in dollars can be calculated by using the equation P = 0.08s + 200 if she sells s dollars of merchandise.

*asked by Willie on March 24, 2019* -
## Chemistry

8. Hydrogen and oxygen gas combine explosively to produce water. Write a balanced chemical equation for this process. If 10 mol of hydrogen reacted with oxygen, what volume of liquid water could be produced?

*asked by Jimbo on May 3, 2010* -
## Math

Two figures are similar with a similarity ratio of 4 and one side of the figure is 3 cm long. Find the lenght of the side of the similar figure. I don't really know if I have to try to do it like an equation or if there's a formula for this. Sorry if

*asked by Marta on September 21, 2016* -
## Math( please help)

a ball is kicked in the air from the top of a cliff. the path the ball travels is given by the equation h(t)=-5t^2+17t+22 where h(t) is the height in metres and t is the time in seconds a) what is the maximum height that the ball reaches b)when will the

*asked by Julie on October 16, 2011* -
## Math Word Problem

As payment for his daughters yard work, a father agrees to give his daughter an allowance of $3.50 in the first week of the year with an increase of 50 cents each week until the last week of the year. A) How much money did she receive for an allowance in

*asked by Anonymous on September 12, 2011* -
## Physics

A bicycle wheel has a diameter of 47.6 cm and a mass of 0.809 kg. The bicycle is placed on a stationary stand on rollers and a resistive force of 60.1 N is applied to the rim of the tire. Assume all the mass of the wheel is concentrated on the outside

*asked by Youthers on January 27, 2015* -
## surface energy budget

I'm give the following data: Q*, QG, QH, QE for a 24-hour period, i'm required to plot these 4 data on the same graph, which I've already done. I'm also required to compute these 24 hours totals - transfer of sensible heat to the atmomsphere - transfer of

*asked by Fai on October 2, 2006* -
## Visual Arts

1.Using the conventional color wheel, name two PAIRS of complementary colors. This means at least 4 colors. When you put complementary colors next to each other, What is the visual effect? 2. Describe the difference between visual texture and actual

*asked by Whitney on April 12, 2012* -
## statistics

A doctor wants to know if her patients are happy with her. She decides to survey a sample of her clients. What method would be best for choosing a random sample that is a fair representation of her patients? A. Assign numbers to each patient and then use a

*asked by Raishawn on July 13, 2014* -
## English // The Scarlet Letter, Help!

For my AP English class I'll be taking next week when school starts, we needed to read THe Scarlet Letter over the summer and answer a bunch of questions from this packet. I'm stuck on #8, so I was wondering if you guys could help! 8. IN Ch.3 Hester

*asked by Fabiola on August 6, 2006* -
## math

A container has three white balls and two red balls. A first ball is drawn at random and not replaces. Then a second ball is drawn. give the following conditions. What is the probability that the second ball was red? The first ball was white? The first

*asked by Anonymous on September 9, 2010* -
## Pre Calculus

a biologist has three salt solutions: some 5% solution, some 15% solution, and some 25% solution. She needs to mix some of each to get 50 liters of 20% solution. She wants to use twice as much of the 5% solution as the 15% solution. How much of each

*asked by Jaden on June 10, 2015* -
## math

Give the numbers of elements in the regions marked I, II, III, IV, V, VI, VII, VIII in the figure. |U| = 280, |A| = 20, |B| = 20, |C| = 24 |A¿B| = 3, |A¿C| = 3, |B¿C| = 5, |A¿B¿C| = 2 | I | = 1 . | II | = 2 . | III | = 3 . | IV | = 4 . | V |

*asked by Anonymous on August 13, 2012* -
## Statistics

You want to compare the quality of several statistics textbooks. (a) Identify two categorical variables and two quantitative variables that you would use to describe textbook quality. Give a reason for each of your choices. So I think for the first

*asked by Samantha on September 9, 2009* -
## geometry asap

I put ^ next to the answer i put. can you tell me if im correct or not. and if not can you correct it for me and tell me what i did wrong? 1. The length of a rectangle is 6 1/2 inches and the width is 3 3/4 inches. What is the ratio, using whole numbers,

*asked by Jesicca on April 14, 2011* -
## MATH-SO LOST :(

A mini license plate for a toy car must consist of a number followed by two letters. Each letter must be a C, A or R. Each number must be a 3 or 7. Repetition of letters is permitted. Use the counting principle to determine the number of points in the

*asked by Jen on July 26, 2011* -
## Physics

A boat crosses a river of width 115 m in which the current has a uniform speed of 1.84 m/s. The pilot maintains a bearing (i.e., the direction in which the boat points) perpendicular to the river and a throttle setting to give a constant speed of 1.1 m/s

*asked by Maddie on January 16, 2015* -
## statistics

A brewery's filling machine is adjusted to fill bottles with a mean of 31.9 oz. of ale and a variance of 0.004. Periodically, a bottle is checked and the amount of ale noted. (a) Assuming the amount of fill is normally distributed, what is the probability

*asked by Anonymous on March 31, 2015* -
## English

In the story “orphans give Indian couple will to live” are the Paramesvarans offended by the term orphans because they think the natural parents of the children will be found alive some day? The other options are A. They feel they are now parents to

*asked by Anonymous on January 11, 2019* -
## Geometry B CA

I put ^ next to the answer i put. can you tell me if im correct or not. and if not can you correct it for me and tell me what i did wrong? 1. The length of a rectangle is 6 1/2 inches and the width is 3 3/4 inches. What is the ratio, using whole numbers,

*asked by Jesicca on April 12, 2011* -
## Physic please check

A person stands 4.2 m in front of a wall that is covered floor-to-ceiling with a plane mirror. His eyes are 1.9 m above the floor. He holds a flashlight between his feet and manages to point it at the mirror. At what angle of incidence must the light

*asked by Mary on October 20, 2007* -
## Physics

A boat crosses a river of width 122 m in which the current has a uniform speed of 2.39 m/s. The pilot maintains a bearing (i.e., the direction in which the boat points) perpendicular to the river and a throttle setting to give a constant speed of 2.81 m/s

*asked by Greg Knightly on November 8, 2012* -
## Math

Three neighbors measure the snow in their yards over an entire winter. Manny has 30 inches of snow, Mo has 3.5 feet of snow, and Jack has 1.5 yards of snow. The neighbors want to pile all of the snow into one giant snow pile so they can have the most epic

*asked by Erin on January 14, 2018* -
## Intro to Business

The U.S. Supreme Court ruled that cities could have school voucher programs that give money directly to parents, who could then choose between competing schools, public or private. The idea was to create competition among schools. Like businesses, schools

*asked by Lisa on January 6, 2011* -
## Physics

A trap door, of length and width 1.65 m, is held open at an angle of 65.0 degrees with respect to the floor. A rope is attached to the raised edge of the door and fastened to the wall behind the door in such a position that the rope pulls perpendicularly

*asked by Julia on April 27, 2011* -
## English-Room 101 speech

I have to come up with a speech about what I feel should go into room 101. Room 101 is a british tv programme, which came from a book. It's basically when people give reasons of what they don't like. The presenter decides, what goes into room 101. I am

*asked by HS on April 25, 2013* -
## us government intro paragraph help

After the American Revolution, many people were grateful to their new profound independence, but some were unhappy with the government’s involvement. The United States has been run by two important constitutions. The Articles of Confederation, the first

*asked by apoorva on August 10, 2006* -
## Science

I am reading about partial solar eclipses, and my book has this warning: CAUTION:Looking directly at even a tiny sliver of the sun during a solar eclipse can damage your eyesight permanently. Why do they give this warning specifically for eclipses? Is the

*asked by Jenna on February 22, 2007* -
## psych

Give some background information on your hypothetical observational study - describe the setting that you would use for your observational study, why you are interested in this study and what you hope to learn. (2) Explain whether you would be an

*asked by STELLA on November 19, 2011* -
## stats

To estimate the mean score of those who took the Medical College Admission Test on your campus, you will obtain the scores of an SRS of students. From published information you know that the scores are approximately Normal with standard deviation about

*asked by Aman on November 6, 2013* -
## Chemistry

Daily diet consists of 120 g of carbohydrates, 65 g of fat, and 43 g of protein. How many calories does this diet provide daily? My work/answers: 120 g x 4 g/calories of carbs = 48 g/cal 65 g x 9 g/calories of fats= 585 g/cal 43 g x 4 g/calories of

*asked by Clare on January 26, 2015* -
## math, pre-statistics

A gumball machine is filled randomly with gumballs:red,green,purple,white,pink and yellow. The company claims the following percentages of each can be found in an unopened carton.30%red,20%green,20%purple ,20% white,5%pink and 5%yellow. What is the

*asked by Sabrina on February 8, 2009* -
## Geometry

I appreciate any help you can give me. Here is my question: Find the coordinates of the images of A(2,3), and B(-2,3) under the following transformations. Assume that all size transformations are centered at the origin. a. A size transformation with scale

*asked by Christine on April 17, 2013* -
## history

The aim that Congress had in passing the War Powers Act was to a. give the President more power in using American forces overseas b. forbid the President from ever sending American forces overseas c. limit the President's emergency powers in sending troops

*asked by y912f on May 26, 2009* -
## Physics

An iron block of the mass 1 kg is suspended on a spring of the spring constant 140 N/m, and merged into a vessel with 8 liters of water. The mass is displaced by 10 cm from its equilibrium position, and released. How much energy in J has been dissipated by

*asked by HelpPlease on December 3, 2010* -
## Language arts

Please check my answers. Thank You! Use the text passage to answer the question. Whatever you post online—whether a silly picture, angry comment, or sharing about a chronic illness—is there forever. Delete it all you want, but colleges and employers

*asked by Anonymous on September 28, 2016* -
## Chemistry

I am so overwhelmed. can somebody please help me? Consider a solution that is 0.022 M in Fe^2+ and 0.014 in Mg^2+ A) if K2CO3 is to selectively precipitate one of the cations while leaving the other cation in solution, which cation will precipitate first?

*asked by Jennifer on April 1, 2013* -
## PHYSICS (REALLY DIFFICULT PLEASE HELP)

At a temperature of 18.0°C of 23.0cm^3 of a certain gas occupies has pressure of 103 kPa. (a) What volume would the gas occupy at a temperature of 0.00°C and pressure of 101kPa? (b) 1.00 moles of a certain gas occupies a volume of 22.4 litres at 0.00°C

*asked by Josh on December 4, 2016* -
## PHYSICS (PLEASE HELP ME ASAP)

At a temperature of 18.0°C of 23.0cm^3 of a certain gas occupies has pressure of 103 kPa. (a) What volume would the gas occupy at a temperature of 0.00°C and pressure of 101kPa? (b) 1.00 moles of a certain gas occupies a volume of 22.4 litres at 0.00°C

*asked by Daniel on December 2, 2016* -
## physics wave

A) Show that the average rate with which energy is transported along a cord by a mechnical wave of frequency f and amplitude D is: P(average) = 2(pi^2)u v(f^2)(D^2) v is speed of the wave u is the mass per unit length (M/L) B) If the cord is under a

*asked by Anonymous on May 1, 2008* -
## science

What happens when a candle is alight (on one side we had to show physical change and on other side the chemical change). The question sheet says 'Explained both changes using the Big Idea of Energy.' The physical changes are what you can see, and what you

*asked by liverpool on October 21, 2006* -
## physics help please please please!!!

A spaceship lands on a new planet. the crew decides to measure the speed of sound in the planets atmosphere. taking a tube with a length of 50 cm, they find that one resonant frequency occurs at 2,520 Hz, and the next resonant frequency at 2,940 hz. what

*asked by Kayla on December 8, 2014* -
## Intro-Physics Help Please

A spaceship lands on a new planet. the crew decides to measure the speed of sound in the planets atmosphere. taking a tube with a length of 50 cm, they find that one resonant frequency occurs at 2,520 Hz, and the next resonant frequency at 2,940 hz. what

*asked by Kayla on December 7, 2014* -
## Macroeconomics

A) Suppose that as the economic recovery strengthened consumer expectations of annual inflation increased from 2% to 3.5 % and, at the same time, the expected real rate of return required to equate investor demand to the existing supply of 1 year Treasury

*asked by Jason on October 1, 2009* -
## Social studies.

Hi I am supposed to write a dialoge essay. The question I have to answer is How did James K polk work to help change the United States. My answer James K polk did many things to help change the United States, these are the things he did. Manifest Destiny:

*asked by Callie on March 2, 2015* -
## math

how do you explain this questionA mini license plate for a toy car must consist of a letter followed by two numbers. Each letter must be a T, O or Y. Each number must be a 4 or 6. Repetition of digits is permitted. Use the counting principle to determine

*asked by kozy on June 5, 2011* -
## Spanish (please correct me if I'm still wrong)

Give the correct form of the appropriate verb, saber or conocer, which would be used in writing the following sentences in Spanish. 12. Maria knew everyone. 13. Because he had already seen the movie, he knew what happened? 14. The student knows the answer.

*asked by anon on March 24, 2011* -
## Social Studies

Please check over my answers and I'll give u a cookie! Final part 1. Drag and drop the social divisions in the Arab Muslim empire to arrange them with those at the top of society to those at the bottom of society. Arab Muslims non-Arab Muslims Jews and

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

A dime is found to have a mass of 2.33 grams. Using unit analysis, show what the mass of this dime is in kilograms. 2.33 grams x ________ _______ (number) (unit) ________________________________________________ ________ ________ (number) (unit) = ? ___ kg

*asked by Anonymous on July 3, 2017* -
## Computer Science / programming

Show the contents of each register and or memory location used after each instruction. MOV BH,33 BH=33 MOV [0500],BH BH=33, [0500]=33 MOV CL,66 CL=66 MOV [050],CL CL=66, [050]=66 MOV SI,0500 SI=0500 MOV BX,7643 BX=7643 ADD [SI],BX SI=0500, [0500]=76

*asked by Eren A on November 2, 2014* -
## Math

1.(A)(i)Show that 2+4+6+8+..+2n=n(n+1). (ii)Find the sum of the first 200 even numbers. (iii)Find the sum of the first 200 odd numbers. (B)(i)Use the formula at the beginning of the question to find the sum of the first 2n natural numbers. (ii)Find a

*asked by arzam on November 9, 2013* -
## chemistry

Potassium nitrate is made by adding potassium chloride to hydrogen nitrate in the presence of oxygen gas. Along with the potassium nitrate, chlorine and water are produced. How would write the equation?

*asked by mark on February 26, 2012* -
## math

radiators sell for $350. Let x be radiators. profit shown by equation p= -.01x^2 +375x -600,000. What number of radiators will produce the larget possible profit? What is the largest possible profit?

*asked by Sejul on October 10, 2011* -
## computer science 104

Create a method areaOfaTrapeziod when given a, b, and h (all doubles), will return the area (double) of a trapezoid. Use the equation pictured below In the code, i should 1. Create the prototype for the method 2. create the method 3. call it from the

*asked by Nan on November 3, 2011*

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