# Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

91,330 questions, page 260-
## Physics

An airplane pilot fell 380 m after jumping from an aircraft without his parachute opening. He landed in a snowbank, creating a crater 1.4 m deep, but survived with only minor injuries. Assuming the pilot's mass was 80 kg and his terminal velocity was 50

*asked by Anonymous on November 18, 2009* -
## Physics

Can someone actually ANSWER the question pleas and post numerical answers. Under less than ideal conditions, a student pushes a 6 kg cart holding 2 boxes of books up a ramp to a platform that is 1.8 m high in 42 sec. Each box contains 12 kg of books. The

*asked by Ron on April 8, 2010* -
## Physics

A 4.00kg crate is slowly lifted to a height of 1.50 m.(a)How much work is done by the lifting force? (b)against gravity? (c)by gravity? Force = mass*acceleration Here the acceleration is from gravity. Work=Force*distance.

*asked by fluffy on September 9, 2006* -
## Chemistry

A spark plug fires before the gases in a cylinder are fully compressed. How will the engine be affected? A. The engine will get better gas mileage as less fuel is burned during each cycle. B. There will be fewer pollutants as the fuel has more time to

*asked by Cortney on March 23, 2015* -
## math

a rectangle is twice as long as it is wide. if both of its dimensions are increased by 4m, its area is increased by 88m^2 find the dimensions of the original rectangle Original rectangle = w for width and 2w for length. Area = w x 2w Larger rectangle = w+4

*asked by samantha on November 29, 2006* -
## Biology

6. Describe and explain what would happen to a cell containing 100mM NaCl, 150 mM glucose, and 100 mM protein if placed into: a) distilled water? (describe the volume change if the cell were permeable to water only). b) a solution of 100mM NaCl, IF the

*asked by ..... on February 4, 2013* -
## Bio

1. Pseudoscience and nonscience differ in that: A. nonscience is not valuable and pseudoscience is valuable. B. pseudoscience deceives, misleads, or misinforms and this is not a primary characteristic of nonscience. C. nonscience forms hypotheses and

*asked by Amy on July 10, 2013* -
## physics

Tarzan wights 820N, swings from a cliff at the end of a 20m vine that hangs from a high tree limb and initially makes an angle of 22 degrees with the vertical. Immediately after Tarzan steps off the cliff the tension in the cine is 760N. Choose a

*asked by Bri on November 21, 2006* -
## chemistry

A student determines the heat of dissolution of solid potassium perchlorate using a coffee-cup calorimeter of negligible heat capacity. When 2.13 g of KClO4(s) is dissolved in 106.00 g of water, the temperature of the solution drops from 25.00 to 23.17

*asked by ayesha on October 27, 2016* -
## chemistry

a sample iron ore is dissolved in an acidic solution in which yhe iron is converted into fe2+. the solution formed the titrated with kmno4 which oxidies fe2+ to fe3+ while kmno- ions are reduced to mn2+. 92.95 ml of 0..02M of kmno4 is required for

*asked by amirah on June 8, 2018* -
## Chemistry Urgent

A calorimeter contains 32.0mL of water at 13.0∘C . When 2.30g of X (a substance with a molar mass of 82.0g/mol is added, it dissolves via the reaction X(s)+H2O(l)¨X(aq) and the temperature of the solution increases to 30.0∘C . Calculate the enthalpy

*asked by Anna on March 11, 2014* -
## Math

How do you set this problem up to solve and how do you solve this? Ellen has four types of marbles, 120 marbles of each type. She trades two-fifths of the first type, three-eights of the second type, five-sixths of the third type, and three-quarters of the

*asked by Smom on August 23, 2011* -
## chemistry

The glass panels of a sky roof need to be coated in order to screen out ultraviolet radiation (10-400 nm wavelength) but without color distortion in the visible spectrum. Candidate coating materials are gallium nitride (GaN) with a band gap,Eg, of 3.2 eV,

*asked by Anonymous on December 14, 2012* -
## Calculus

1. Suppose that the outdoor temperature (in Fahrenheit) on a particular day was approximated by the function T(t) = 50 + 14sin[(pi(t))/12] Where t is time in hours after 9 AM. a) find the max (Tmax) and min (Tmin) temperature, And the average temperature:

*asked by Anonymous on September 18, 2018* -
## physics help!

Two springs P and Q both obey Hooke’s law. They have spring constants 2k and k respectively.The springs are stretched, separately, by a force that is gradually increased from zero up to a certain maximum value, the same for each spring. The work done in

*asked by Taylor on October 28, 2014* -
## Physics!

An out-of-control truck with a mass of 5000kg is travelling at 35.0m/s (about 80mi/h) when it starts descending a steep (15 degrees), downward incline or slope. The incline is icy, so the coefficient of friction is 0.30. Use the work-energy theorem to

*asked by Kimbo on November 16, 2017* -
## economics

You are getting ready for your 1st day of work and realize that you have several options of how to get to bank of Wall Street. you could drive your car and look for street parking , or park in the parking garage. you mighteven take a taxi or subway. you

*asked by lasandra on February 21, 2010* -
## business

Following is NOT something a group should do when it plans a collaborative project? following is NOT something a group should do when it plans a collaborative writing project? Divide the work ahead of time according to how the leader thinks it will best be

*asked by Anonymous on February 21, 2012* -
## geometry math algebra

i have unit 6 lesson 9 geometry foundations b surface area and volume unit test for questions 8 and 9: 8. what are the lateral area and surface area of the cone shown below? round the answers to the nearest tenth. the figure is not drawn to scale. A. LA=

*asked by pls help connections on April 26, 2019* -
## ENG103

Hello you guys did such a great job helping me with my essays in ENG100 but it has been so long, I am now in ENG103 and I need help with an argument definitional essay. I typed my intro, it needs work, I just need help with my thesis/argument. General

*asked by Farrell on February 19, 2012* -
## Math Ms. Sue please

1. What type of graph does not show the number of times a response was given? (1 point) box-and-whisker plot line plot stem-and-leaf plot bar graph 2. Which of the following types of information is suited for display on a scatter plot? (1 point)

*asked by Delilah on March 20, 2013* -
## Math

1. What type of graph does not show the number of times a response was given? (1 point) box-and-whisker plot line plot stem-and-leaf plot bar graph 2. Which of the following types of information is suited for display on a scatter plot? (1 point)

*asked by Embershy on November 26, 2016* -
## Math

I don't if I'm right for these two questions i just need a check if I'm right,if I'm wrong please show me how to get that answer. Rewrite the following exponential functions as logarithmic functions a)f(x)=9^x ans:f(x) Log^-1(xlog(9)) b)f(x)=(7/8)^x

*asked by Chris on January 2, 2016* -
## Question About Math

Hello! I have two math questions: 1.) Marcos has 28 coins that are all nickels (n) and dimes (d). The value of the coins is $2.05. Which system of equations can be used to find the number of nickels and the number the dimes? A. n + d = 28 5n + 10d = 205 B.

*asked by Abby on November 17, 2013* -
## Physics

Bill is moving a crate of mass 35 kg up a ramp that forms a 25 degree angle with the horizontal to a height of 5 m. A) If the ramp is frictionless, how much work must Bill do in pushing the crate to the top? B) How much work does gravity do as Bill pushes

*asked by Joseph on December 13, 2015* -
## physics

Given the vectors = (19 cm, -7 cm) in green and = (-23 cm, 9 cm) in blue shown on the grid below, calculate the magnitude of the vectors described below and select the correct sketch for each from the choices below. The tail-to-head method is used to

*asked by butcha on October 15, 2013* -
## English

Background You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your writing skills. The paragraph must describe

*asked by MEG on November 5, 2016* -
## CHECK THIS OUT

"Drug use is information that is rightfully private and only in exceptional cases can an employer claim a right to know about such use." What are your thoughts? Please be aware that we are not here to do your homework or give you answers. Once you re-post

*asked by Brianna on September 13, 2006* -
## algebra

please write and equation, show your work, and find the answer: 1.a certain two-digit number has a value that is seven more than six times the sum of its digits. the tens digit is 3 more than the units digit. find the number 2.In Colorado Creek, Darrell

*asked by Bri on February 16, 2011* -
## Scholastic Arts and Writing Awards (plz help)

I need help and I'm a bit confused. How to Submit Your Work Regional Programs Students first submit work to regional programs administered by affiliates of the Alliance for Young Artists & Writers. Students and teachers can connect with their regional

*asked by Lauren on December 26, 2011* -
## history please help

1. Select a new deal program that helped improve the lives of south Carolinians. Explain what the program improved and how it helped the people of South Carolina 2. Explain how rationing affected the people on the home front during world war II. how did

*asked by history on April 29, 2016* -
## Physics

A yo-yo is spun from rest by pulling on the string with a constant tension of 2.0 N. The radius of the inner rod on which the string is strung around is 0.50 cm. The tension is applied for 5.0 seconds after which the yo-yo is observed to spin with an

*asked by bobby on August 3, 2007* -
## Physics

I don't understand this statement, could you explain it to me please? Discuss the statement: In the USCS system of measurement the pound (lb.) is a unit of force while in the SI system of measurement the kilogram (kg) is a unit of mass. Why is the lb a

*asked by Soly on August 12, 2007* -
## Algebra

I'm not sure how to solve these problems. Simplify (3xsquare - 2x)divided by 15x - 10 Subtract (2y/x-y) - 5x/4y Solve (27/x) = (8 - 5/x) Simplify (7m^7n^4/8m) divided by (9m^2n^9/5n^2) 1) 3x^2 - 2x/ 15x - 10 factorize both the numerator and denominator

*asked by Sandra on November 5, 2006* -
## Chemistry

How would each of the following affect the accuracy of the calculated neutralizing power of antacid (too high, too low, or no effect) a. The titration flask was wet with distilled water when the antacid was added. b. The buret was not rinsed with NaOH

*asked by Darrylnn on March 24, 2012* -
## chemistry who helps me step by step

25g of a sample of ferrous sulphate was dissolved in water containing dilute h2s04 and the volume made up to one litre. 25ml of this solution required 20ml of N/10 kmn04 solution for complete oxidation. calculate the percentage of fe204 7h20 in the sample.

*asked by Fai on January 11, 2014* -
## Analytical chemistry

A water sample was analysed using a sodium selective electrode. The electrode response was 75.0 mV. A 10.00 mL aliquot of standard 0.50 mmol/L NaCl solution was added to 10.00 mL of water sample. The well-mixed solution gave a response of 98.0 mV. What is

*asked by RC on August 12, 2013* -
## chemistry

A chemist needs a HCl solution with a molarity of less than 0.400 M for an experiment. To find out if a sample of HCl solution can be used in the lab, the chemist performs a titration to neutralize 59.2 mL of the HCl with 45 mL of 0.400 M NaOH. Based on

*asked by Matthew on January 31, 2014* -
## Physics

At what rate must a cylindrical spaceship rotate if occupants ar to experience simulated gravity of 1/2g? Assume the spaceship's diameter is 32 m, and give your answer as the time needed for one revolution. The centripetal acceleration is R w^2, where R is

*asked by Sam on January 2, 2007* -
## math

The equation d =70t represents the distance in miles covered after traveling at 70 miles per hour for t hours.....what is d when t = 2.5? ...what is t when d =210? please help im desperate here...iv been studying all day help me my brain hurts!!!!!!!!!!!

*asked by chemiii on October 3, 2006* -
## CHEMISTRY

Enter part(a), (c) with 2 siginificant digits and part(b) with 3 siginificant digits. Enter scientific notation as 1.23E4. (a) What is Ecell if the unknown solution in the half-cell on the left has pH = 4.94? ____________ (b) What is Ecell if the unknown

*asked by sabrina:yes i couldn't post the cell diagram H+ on November 30, 2012* -
## math

Nancy Tai has recently opened a resolving charge account with MasterCard. Her credit limits is $ 1,000, but she not charged that much since opening the account. Nancy hasn't had the time to review her monthly statement promptly as she should, but over the

*asked by Peter on June 26, 2014* -
## Math

5)Solve 2x2 +6x = 4 by completing the square. 6)Solve 3x2 - 6x- 24 = 0 using the quadratic formula. 7)The area of a circle is 25 in2. What is the radius, including the units? Area of a circle is ¢³r2. 8)The triangle has an area of 14 in2. Determine the

*asked by Julissa on May 20, 2012* -
## algebra

Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solve for the unknown variable(s). Three times a larger number added to 4 times a smaller number totals 24. When twice the smaller

*asked by Cory on July 9, 2012* -
## Engineering

I need help solving the following simultaneous equations, for the values of Vo and a: 1.4 = Vo e^-32a 4 = Vo e^-6a I've never come across simultaneous equations like this (e is the base of natural logarithms, so perhaps taking logs of both sides might

*asked by Stuart on May 13, 2007* -
## Bussiness

The market for carrots is comprised of two segments: fresh market carrots, which have excellent, uniform color and a small core, and processing carrots, which are larger than fresh market carrots but still have good flavor, color, and sweetness. Annual

*asked by Ricky on February 24, 2012* -
## Science

Discuss the importance ofeach step in the scientific method: why do you think scienctists utilize this type of experimentation? the only thing I could come up with was finding ways to keeps us alive, how fast the human population is growing and the

*asked by tracey on September 3, 2007* -
## art

Discuss a minimum of two reasons why Jackson Pollock's style of painting, as exemplified by Convergence, is considered an important, innovative development in the history of painting. To see this painting, locate it in the unit’s Resource List. Imagine

*asked by Anonymous on July 11, 2009* -
## Pre Cal long problem( Can I see the work on this)

A stuffed animal dealer tells you that a fish he bought for $8 four years ago is now worth $200 follow the steps below to find the effective yield for this investment. Begin with the equation 8(1+r) ^4=200.Solve for (1+r) ^4 Take the common logarithm of

*asked by Brittany on March 18, 2008* -
## Chemistry

Then calculate the inital ClO^- concencentrations for 1st, 2nd, and 3rd reactions. Calculate [ClO^-] in a 6% bleach solution. A 6% bleach solution contains 6 grams of NaClO per 100 grams bleach. The density of 6% bleach is 1.07g/mL. Chemical reaction: Blue

*asked by Cassandra on February 28, 2012* -
## Chemistry

A chemist wants to make a solution of 3.4 M HCl. There are two solutions of HCL that he can find on the shelf. One has a concentration of 6.0 M, while the other has a concentration of 2.0 M. Which solution can the chemist use to make the desired acid?

*asked by Hunter on February 16, 2012* -
## Chemistry-Titration

Acid (Unknown) Solution: HCL Molar Ratio: 1:1 Volume:20 ml Concentration:? Base(Known) Solution: NaOH Molar Ratio 1:1 Volume 26 ml Concentration:0.1

*asked by Karla on March 8, 2010* -
## Chem

A solution is prepared by adding 1.50 mol glucose to 3.50 mol water. What is the vapor pressure of the solution at 25 oC given that the vapor pressure of pure water is 23.8 torr?

*asked by James on January 27, 2016* -
## science

an ethereal solution contains benzoic acid, 9-fluorenone, and ethyl 4-aminobenzoate. why would ethyl 4-aminobenzoate and 9-fluorenone not be extracted from this ethereal solution by aqueous base?

*asked by Amy on October 18, 2010* -
## ap chemistry

what mass of barium sulfate can be produced when 100 ml 0.100 M of solution of barium chloride is mixed with 100.0 ml of a 0.100 M solution of Iron (III) sulfate

*asked by mathew on September 24, 2014* -
## Begley

A person lifts a 4.1 kg cement block a vertical distance of 0.79 m and then carries the block horizontally a distance of 13.30 m. (a) How much work is done by the person in the process? (b) How much work is done by gravity in the process?

*asked by Bryson on February 29, 2012* -
## Physical Science

What is the kinetic energy of a 1850 kg car that is traveling at 58.0 km/h? B. How much work was done to give the car this kinetic energy assuming the car starts from rest? C. How much work must be done to stop the car?

*asked by Barbara on September 10, 2014* -
## physics

A person lifts a 4.6 kg cement block a vertical distance of 1.43 m and then carries the block horizontally a distance of 10.50 m. (a) How much work is done by the person in the process? (b) How much work is done by gravity in the process?

*asked by Jayde Larson on January 26, 2013* -
## CHEMISTRY

Consider the following cyclic process carried out in two steps on a gas. Step 1: 41. J of heat is added to the gas, and 20. J of expansion work is performed. Step 2: 60. J of heat is removed from the gas as the gas is compressed back to the initial state.

*asked by Sarah on April 30, 2012* -
## chem

Consider the following cyclic process carried out in two steps on a gas. Step 1: 48 J of heat is added to the gas, and 20. J of expansion work is performed. Step 2: 70. J of heat is removed from the gas as the gas is compressed back to the initial state.

*asked by mel on December 2, 2007* -
## microeconomics- demand function

hey thanx for "economyst" for his input, he/she was a HUGE help :) just stuck on a dmeand function question p.s. i don't mean to be a nuisence but if you can please, explain each answer, if not tell me wat i should write about Q: a demand function for a

*asked by michael on September 7, 2006* -
## Chemistry

A certain headache relief tablet is composed of monoprotic acetylsalicylic acid(C9H8O4(s)) and an inert filler. A 4.00 g tablet was crushed and dissolved to make 40.0 mL of solution. The solution was then titrated with 0.900 mol/L NaOH(aq). The volume of

*asked by Maya on June 9, 2011* -
## chemistry!

a) Find the pH at the equivalence point when 40ml of 0.025 M of methylamine (NH2CH3 and Kb = 4.4x10^-4) is titrated with 0.025 M HCl. b) The Kf for the complex ion Ag(NH3)2+ is 1.7x10^7. The Ksp for AgI is 1.5x10^-16. What is the molar solubility of AgI in

*asked by Freddy on November 17, 2015* -
## Physics

A 54 kg box is being pushed a distance of 7.0 m across the floor by a force P whose magnitude is 153 N. The force P is parallel to the displacement of the box. The coefficient of kinetic friction is 0.25. Determine the work done on the box by each of the

*asked by Brandon on October 13, 2008* -
## physics

I need formula/problem set ups for the following 2 problems: 1)Find The work done by the force in pulling an object on an inclined plane from A to B (ground level to top): Length of incline (like a hypotenuse): 30 m Height of incline (y axis): 10 m Force =

*asked by Sejul on March 17, 2011* -
## physics

A 395.0 g block is dropped onto a vertical spring with a spring constant k = 252.0 N/m. The block becomes attached to the spring, and the spring compresses 0.29 m before momentarily stopping. While the spring is being compressed, what work is done by the

*asked by Erin on December 30, 2013* -
## Physics - please help!!

A 395.0 g block is dropped onto a vertical spring with a spring constant k = 252.0 N/m. The block becomes attached to the spring, and the spring compresses 0.29 m before momentarily stopping. While the spring is being compressed, what work is done by the

*asked by John on December 30, 2013* -
## physics

A 390.0 g block is dropped onto a vertical spring with a spring constant k = 252.0 N/m. The block becomes attached to the spring, and the spring compresses 0.15 m before momentarily stopping. While the spring is being compressed, what work is done by the

*asked by Katie on March 28, 2012* -
## Physics

A 395.0 g block is dropped onto a vertical spring with a spring constant k = 252.0 N/m. The block becomes attached to the spring, and the spring compresses 0.29 m before momentarily stopping. While the spring is being compressed, what work is done by the

*asked by John on December 29, 2013* -
## physics

*asked by Erin on January 1, 2014* -
## Physics - please help me..

*asked by Erin on December 31, 2013* -
## diffeq

Suppose a species of fish in a particular lake has a population that is modeled by the logistic population model with growth rate k, carrying capacity N, and time t measured in years. Suppose the growth-rate parameter k=.3 and the carrying capacity N=2500.

*asked by Mischa on February 4, 2009* -
## physics

A block of mass 2.50 kg is pushed 2.40 m along a frictionless horizontal table by a constant 14.0 N force directed 25.0° below the horizontal. (a) Determine the work done by the applied force. 1 J (b) Determine the work done by the normal force exerted by

*asked by katlyn on October 28, 2011* -
## Precalculus with Trigonometry

Calculate the work done by gravity as a 10 kg object is moved from point A = (0,0,0) to point B = (1,2,0). We are given s = (x sub f - x sub I)x(hat) + (y sub f - y sub I)y(hat) + (z sub f - z sub I)z(hat). Sorry if that doesn't make sense. I think I have

*asked by Natalie on April 22, 2013* -
## Physics

I don't know where to start with this one. "Find the work done accelerating a 2 kg box from 2m/s to 3 m/s." Can't find acceleration because I don't know time. In fact, I don't see how any of the kinematic equations can help me out to find either distance

*asked by KC on April 6, 2009* -
## Physics/Math

A can of sardines is made to move along an x axis from x1 = 0.2 m to x2 = 1.2 m by a force given by F = iF0exp(-0.4x), with x in meters and F0 = 4.5 N. (Here exp is the exponential function.) How much work is done on the can by the force? Work is the

*asked by Technoboi11 on March 1, 2007* -
## Business

I need examples of the following and i'll do them over. 1.Assume you are employed at a manufacturing firm in a country district. a.List the business activities that would be carried on by the firm and 2.Describe the role of the office in relation to any

*asked by kavita on September 21, 2009* -
## Accounting/Finance

A for-profit hospital, has a high degree of business risk the preferred method of financing growth would be ? a. Short-term debt b. By increasing leverage c. Bonds d. Equity e. Long-term debt

*asked by Cydney on November 13, 2011* -
## math

Hi I need help with this math problem: The plane that contains the points (8,3,1), (2,6,3), and (4,6,2) has an equation of the form ax + by + cz = d. Find coefficients for this equation, trying two different approaches to the problem. One method uses

*asked by jen on July 29, 2010* -
## math

how do i use the shell method to find the volumes of the solids generated by revolving the regions bounded by the curves and lines a) y=1/x, y=0, x=1/2, x=2 So I think the integral is 2pi(radius)(height) dx from 0.5 to 2 but I'm not sure what the radius

*asked by ciara on March 24, 2010* -
## Chemistry-Decay

The lowest level of 14C activity that seems possible for experimental detection is 0.03 dis min−1 g−1 What is the maximum age of an object that can be determined by the carbon-14 method? The initial rate of decay is about dis min−1 g−1. I have no

*asked by Alyson on May 17, 2015* -
## Math (word problem)

Can anyone please help with this one? The newest jet fighter, the F-22 Raptor, cruises at 1.5 times the speed of sound. The speed of sound is 1.24x10^3 km/hr. How many hours does it take for the F-22 to fly the 5.8x10^3 km from New York to Paris?

*asked by Robin on November 29, 2009* -
## Calculus

Use Euler's Method with three equal step sizes to estimate the value of y(0.3) for the differential equation y ′ = y, with y(0) = 1. Type your answer in the space below and give 3 decimal places. If your answer is less than 1, place a leading "0" before

*asked by Alice pleaseeeeee on March 16, 2019* -
## psychology

what is all the components of scientific method in psychology? i got hypothesis, dependent ans independent, and the question is does television increase aggression? how to put it in the dependent and independent variable?? and how to set everything up? I

*asked by michelle on July 23, 2012* -
## Science

1. Which statement best describes the relationship between science and technology? >>A. The goal of science is to gain an understanding of the natural world, while the goal of technology is to use that understanding to improve people's lives.

*asked by Ahxello on September 12, 2017* -
## Math

1. You have two credit cards. Credit card 1 has a balance of $7,512.33 with an APR of 21.25% and limit of $10,000. Credit card 2 has a balance of $623.34 with an APR of 24.15% and limit of $7,500. In your own words, which credit card should you focus

*asked by Anonymous on June 5, 2018* -
## simple interest and compund interest.

1) What is the final amount when $3000 is invested at 3% per year simple interest for? Show all steps. The formula is A=P(1+rt) 2) What amount must be invested at an interest rate of 5% per year compounded monthly to obtain $15000 in 6 years? Show all

*asked by Mercy on May 25, 2013* -
## Algebra again

I don't understand how to do this problems: Solve for the variable r, C=2PIr (PI is the pi symbol thing then r is next to it) and this problem solve for the variable l, S=B+1/2Pl I know this is the same question, but I somewhat understand how to get the

*asked by Avalon on November 18, 2006* -
## math

can someone write out the equations so i can solve this please. Midtown delivery service delievers packages which cost $ 2.10 per package to deliver. The fixed cost to run the delivery truck is $ 78 per day. If the company charges $4.10 per package, how

*asked by jas on June 3, 2007* -
## MAT 116 Algebra 1A

Appendix D Landscape Design Landscape designers often use coordinate geometry and algebra as they help their clients. In many regions, landscape design is a growing field. With the increasing popularity of do-it-yourself television shows, however, many

*asked by Shelly,k on May 26, 2008* -
## chemistry

Please be specific! Briefly explain whether each if the following procedural errors would result in a high, low, or an unchanged calculated mass of Ca2+ in the analyzed tablet. a)a student had difficulty decanting the supernatant solution from the test

*asked by claire on October 15, 2012* -
## college chemistry

Please be specific! Briefly explain whether each if the following procedural errors would result in a high, low, or an unchanged calculated mass of Ca2+ in the analyzed tablet. a)a student had difficulty decanting the supernatant solution from the test

*asked by anne on October 15, 2012* -
## Physics

What linear speed must an Earth satellite have to be in a circular orbit at an altitude of 186 km? What is the period of revolution? winterWX, Friday, February 16, 2007 at 9:36pm So GMm/r^2 = mv^2/r and I know that I need to solve for v but what do I use

*asked by winterWX on February 16, 2007* -
## Biology

You begin with 10 ml of 2% acetic acid, and you add 90 ml of water. We will call the resulting solution "dilution#1". What is its concentration? You then repeat the dilution exactly, using 10ml of Dilution #1, adding 90 ml of water. We will call the

*asked by Ham on September 16, 2016* -
## college/alg

1. You are planning to spend no less than $6,000 and no more than $10,000 on your landscaping project. a) Write an inequality that demonstrates how much money you will be willing to spend on the project. b) Suppose you want to cover the backyard with

*asked by mary on January 10, 2010* -
## alg.

1. You are planning to spend no less than $6,000 and no more than $10,000 on your landscaping project. a) Write an inequality that demonstrates how much money you will be willing to spend on the project. b) Suppose you want to cover the backyard with

*asked by mary on January 9, 2010* -
## Calculus - Second Order Differential Equations

Posted by COFFEE on Monday, July 9, 2007 at 9:10pm. download mp3 free instrumental remix Solve the initial-value problem. y'' + 4y' + 6y = 0 , y(0) = 2 , y'(0) = 4 r^2+4r+6=0, r=(16 +/- Sqrt(4^2-4(1)(6)))/2(1) r=(16 +/- Sqrt(-8)) r=8 +/- Sqrt(2)*i,

*asked by COFFEE on July 10, 2007* -
## Chemistry

The glass panels of a sky roof need to be coated in order to screen out ultraviolet radiation (10-400 nm wavelength) but without color distortion in the visible spectrum. Candidate coating materials are gallium nitride (GaN) with a band gap,Eg, of 3.2 eV,

*asked by Odesa on December 14, 2012* -
## Algebra A

write a short story problem that can be solved in one step. Write an equation that represents the problem. Name the property used to solve the problem, and then solve the problem. can anyone give me the problem and the name of the property? ASAP HELP

*asked by Lesley R on January 25, 2019* -
## CHEMISTRY........

i TRIED TO DO IT, BUT MY ANSWERES ARE WRONG. Please show work and explain. 1. If 29.0 L of methane, CH4, undergoes complete combustion at 0.961 atm and 140°C, how many liters of each product would be present at the same temperature and pressure? 2 If air

*asked by Anonymous on October 10, 2013*

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