# 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

91,718 questions, page 760-
## Science

An escalator is moving downward with a uniform speed of u. A man of mass m is running upward on it at a uniform speed of v. If the height of the escalator is h, the work done by the man in going up the escalator is?

*asked by Dawn on December 8, 2011* -
## algebra

the officejet printer can copy lisa's dissertation in 18 min. the laserjet printer can copy the same document in 20 min. if the two machines work together, how long would the take to copy the dissertation

*asked by nono on September 20, 2009* -
## Math

Daniel and Imee shared a bag of rice in the ratio 4:5.Daniel receives 16 kg of the rice . What was the mass of the bag of rice that was shared? My work: 4:5-16/9=1.77777777778/1.8 =1.8*9=16.2 kg Is it correct

*asked by Jovanni on July 19, 2016* -
## Physics

A tennis player hits a tennis ball (m = 0.0550 kg) with a force of 32.2 N over a time interval of 0.22 s. If the ball as a velocity of 42.2 m/s before being hit and 87.8 m/s after being hit, how much work did the tennis player do?

*asked by Kevin on March 28, 2018* -
## math

the officejet printer can copy lisa's dissertation in 18 min. the laserjet printer can copy the same document in 20 min. if the two machines work together, how long would the take to copy the dissertation

*asked by nono on September 20, 2009* -
## math

Three friends each have some ribbon. Carol has 42 inches of ribbon, Tino has 2.5 feet of ribbon, and Baxter has 1.5 yards of ribbon. Express the total legth of ribbon the three friends havein inches, feet and yars. **We are learning to use Unit Rates &

*asked by kymy on December 12, 2014* -
## History

1) How was Nixon appeal to Middle America a strategized? a) He tried aggressively to gain the majority of his support for protesters and aimed his campaigns towards them. b) He highlighted the salient issues that plagued and concerned many less outspoken

*asked by Rebecca on May 13, 2015* -
## Physics

Tarzan plans to corss a gorge by swinging in an arc form a hanging vine. If his arms are capable of exerting a force of 1400 N on the rope, what is the maximum speed he can tolerate at the lowest point of his swing? his mass is 80 kg and the vine is 4.8 m

*asked by Physics on September 6, 2009* -
## Algerba

Find slope and y-intercept of following equation y=-3 x -2 knowing the slope of intercept 5 formula is y=mx+b slope is m or -3 y=-3 or m (0) -2 m=slope 5 5 y-intercept = let x=o solve for y y=0-2 y=-2 You can tell by inspecting the equation in the y = mx +

*asked by Trusthim2 on February 28, 2007* -
## Environmental Science

Consider the population situation in Italy or Germany; very low birth rates, an aging population, and eventual decline in overall numbers. For this week's individual work, please write a 1-2 page paper (counting body text only, not title or reference

*asked by James on May 9, 2013* -
## English

I forgot to add a sentence on tragedies. Thank you. 1)The tragedy is the oldest and oce most popular form of drama. It consists of a dramatic work in which events move to a tragic conclusion. 2) Classic tragedies were generally introduced by a prologue

*asked by Henry2 on October 2, 2011* -
## business law

at issue in the twenty-first century is the trade-off between the necessity of writers, musicians, artists, and movie studios to profit from their work and the free flow of ides for the public benefit. Move and music industry participants claim that

*asked by tam on April 27, 2012* -
## college chem

The cation M2+ reacts with NH3 to form a series of complex ions as follows: M2+ + NH3 M(NH3)2+ K1 = 102 M(NH3)2+ + NH3 M(NH3)2 2+ K2 = 103 M(NH3)2 2+ + NH3 M(NH3)3 2+ K3 = 102 A 1.0 × 10–3 mol sample of M(NO3)2 is added to 1.0 L of 15.0 M NH3 (Kb = 1.8

*asked by richard on April 24, 2011* -
## Human Biology

Starting with the right ventricle of the heart, describe the function of the heart and the movement of the blood through the pulmonary and systemic circuit. Include a description of gas exchange within the lungs. Now consider what happens if Jake starts

*asked by Alina on April 25, 2012* -
## Physics Please someone help please

A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7°C. What was the original temperature of the water? -.135(4186)(Tf-38.7)=.034(840)(Tf-21.6)

*asked by Akbar on April 26, 2012* -
## physics Classical Mechanics

Hi, Greco. I am using the following formula to solve Ballistic Missile: sqrt(5*G*m_1/4*r_1). Given the following: m_1=5*10^24kg; r_1=6000;alpha=30 degrees;r_2=(5/2)r_1; G= 6.674*10^-11kg/m^3s^-2. I thought I did it correctly using the proper formula. My

*asked by Hil on December 8, 2013* -
## math

Use the table to estimate how long it took Stella Pajunas to type 100 words # of words: 36 72 108 144 180 216 # of sec: 10 20 30 40 50 60 Its a nice linear line, so no statistical estimation technique required. For every 10 seconds, Stella can type 36

*asked by Susie on January 30, 2007* -
## Geometry

A plane is heading west at 200 mph. The wind is blowing S30°W at 25 mph. 1. What is the ground speed of the plane? 2. When you solve the triangle, what is the smallest angle? 3. What is the largest angle of the triangle? 4. What is the remaining angle? 5.

*asked by Amber on June 4, 2012* -
## Algebra

A candy cane 30 cm high has a circumference of 3 cm. The red “ribbon” makes exactly 4 complete turns round the candy cane while its two ends touch the cane's top and bottom. How long is the ribbon in cm? It doesn't make any sense to me. Can somebody

*asked by Alexandra on February 1, 2011* -
## calc

what is the derivative of sinx- cosy = 0 in its simplest form? I got to the point y'=-consx/siny, but I wasn't too sure. This could probably simplified further. help! You're supposed to treat y as a function of x and differentiate it implicitly. We have

*asked by lil on September 27, 2006* -
## chemistry Please who helps me stpe by step

2gm of mixture hydrated sodium carbonate na2c03 /OH20 and sodium bicarbonate was dissolved in water and made up to 250cc. 25cc of this solution was titrated, using methyl orange as indicator and 22.5cc of 0.087N hcl were required for neutralization.

*asked by ken on June 21, 2014* -
## Chemistry

How can I suggest a reason for the deviation for the pH of 4 M HCl? As my answer I put, The pH of 4 M HCl is negative because a molarity of an acid solution greater than 1 produces a negative pH. A negative pH means that the concentration of H+ or H3O+

*asked by Meche on March 7, 2007* -
## Chemistry

Sucrose hydrolyzes into glucose and fructose. The hydrolysis is a first order reaction. the half life for the hydrolysis of sucrose is 64.2min at 25C. How many grams fo sucrose in 1.25L of a 0.389M solution are hydrolyzed in 1.73hrs? I started off by

*asked by Chem on December 25, 2010* -
## Chemistry

Acetylsalicylic acid (C9H8O4) is a monoprotic acid commonly known as "aspirin." A typical aspirin tablet, however, contains only a small amount of the acid. In an experiment to determine its composition, an aspirin tablet was crushed and dissolved in

*asked by Anonymous on September 22, 2013* -
## Chemistry

1. What is the minimum volume of hot water needed to dissolve 0.200g phenacetin? How much phenacetin will remain in that volume of water once it cools? 2. Why is it important that all the solid dissolves in the hot solvent, before the solution is cooled?

*asked by Cassie on September 24, 2012* -
## APChem

"The osmotic pressure of a saturated solution of strontium sulfate at 25C is 21 torr. What is the solubility product of this salt at 25C (Hint: calculate molarity from the colligative properties eqn of osmotic pressure and use it in the equilibrium

*asked by Kiki on March 17, 2010* -
## Chemestry

A 5.000g sample of a dry mixture of potassium hydroxide, potassium carboate and potassium chloride is reacted with 0.100 L of 2.00-molar HCl solution. A 249.0 mL sample of dry carbon dioxide gas, measured at 22.0 degree Celsius and 740.0 torr, is obtained

*asked by Catherine on May 13, 2016* -
## human resources

As a manager, you are in charge of making the staffing decisions to handle this new project. You will have to assess the skills and competencies of your current 20-person team in terms of the demands of the new project. Since none of your current team has

*asked by kimberly on April 19, 2010* -
## chem

Fe(s) + Cu^2+(aq)--> Fe^2+(aq) +Cu(s)(1) 2Fe(s) + 3Cu^2+(aq)--> 2Fe^3+(aq) +3Cu(s) (2) suppose that you use 1.110 g of Iron in this experiment what is the minimum volume of 1.0M of copper sulfate solution that you should add? Hint: since you don't know

*asked by cindy on September 17, 2007* -
## chemistry -IMPORTANT-

we have to make an instrctinal packet showin relationships between moles and concentration. i cant find the following 1)how is the number of moles dissolved in a set amount of solvent related to the molarity? 2)how to determine the amount of solvent in

*asked by lyne on February 12, 2009* -
## Algebra

John takes one hour more than Rikki to rake the leaves from their yard in the fall. If the two work together, they can rake the leaves in 2 hours. How long does it take John, working alone, to rake the leaves? Round to the nearest tenth of an hour.

*asked by Anonymous on September 28, 2017* -
## physical chemistry

2 liters of N2 at 0 degree Celsius and 5 atm pressure are expanded isothermally against a constant pressure of 1 atm until the pressure of the gas is also 1 atm. Assuming the gas to be ideal, what are the values of work,delta E, delta H, and q for the

*asked by lyn on September 29, 2012* -
## Physics

A gardener pushes a mower at a distance of 900 m while mowing the yard. The handle of the mower makes an angle of 40.0 with the ground. The gardener exerts a force of 35.0 n along the handle of the mower. How much work does the gardener do in mowing the

*asked by Thomas on January 26, 2015* -
## algebra

Jacob and Robert work at a restaurant. On Friday night, Jacob earns $12 per hour and Robert earns $7.50 per hour in addition to $15 in tips. Which graph shows the amount of money earned by Jacob and Robert?

*asked by Na on December 19, 2017* -
## Statistics

Given that x is a normally distributed random variable with a mean of 28 and a standard deviation of 7, find the following probability: P(x

*asked by Anonymous on October 9, 2012* -
## Math

You work 40 hours/week for 52 weeks and are given the option to be paid hourly or to go on salary. In which situation will you earn the most? • $30,000/year • $15.00/hour • $30,000/year with a 10% bonus • $15.00/hour and a $2,000 bonus at the end

*asked by Anonymous on April 2, 2015* -
## Physics

A weight lifter is bench-pressing a barbell whose weight is 710 N. He raises the barbell a distance of 0.65 m above his chest then he lowers it at 0.27 m. Determine the work done on the barbell by the weight lifter during:a.)the lifting phase and b.) the

*asked by Amiel on March 18, 2015* -
## Physics 1

You are to drive to an interview. The interview is at 11:15 a.m. You plan to drive at , so you leave at 8:00 a.m. to allow some extra time. You drive at that speed for the first , but then construction work forces you to slow to for . What would be the

*asked by Alex on September 11, 2014* -
## math

Simone measures the width of one cardboard strip as 1/2 yd. A second cardboard strip measures 5/6 yd in width. Estimate the combined width of the cardboard strips. A. about 1/2 yd B. about 1 yd C. about 1 1/4 yd D. about 1 1/2 yd I don't understand which

*asked by Pepsi on December 11, 2017* -
## Chemistry

One of the largest diamonds ever found, weighing 0.621 kg, was discovered in South Africa in 1905. The carbon alloptropes graphite and diamond have densities of 2267 and 3515 kg/m3 respectively. At a temperature of 1700K and a pressure of 12.0 x 109

*asked by TS on August 23, 2018* -
## Art

Writeacher, I need your help to rephrase a few sentences. Thank you. 1) Eveline imagines the reactions of people at work when she has gone. Miss Gavan would be glad because she has always had an edge on her (I need to rephrase this). 2) On her turn, she

*asked by Frank on May 7, 2012* -
## Math

A punch recipe says to mix 4 cups pineapple juice, 8 cups orange juice, and 12 cups seltzer in order to make 18 servings of punch. A) How many cups of each pineapple juice do you need to make 108 cups of punch? I would appreciate it if you can show me how

*asked by Cle on January 6, 2015* -
## physic

Somebody please show me how to get to the answer key for this question.I have been stuck at this question for days. Two black holes (the remains of exploded stars), separated by a distance of 10.0 AU(1 AU = 1.50 ✕ 10^11 m), attract one another with a

*asked by joy on February 23, 2018* -
## Math

The 24 students in Ms.Cleary's homeroom are surveyed. They are asked which of the several prices they pay for a ticket to the school fasion show Results: $1.00-20 $1.50-20 $2.00-18 $2.50-15 $3.00-12 $3.50-10 $4.00-8 $4.50-7 A. There are 480 students in the

*asked by Staci on October 12, 2010* -
## economics

You are a painter, and the price of a gallon of paint increases from $3.00 a gallon from 3.50 a gallon. your usage of paint drops from 35 gallons a month to 20 gallons a month. perform the following: 1. compute the price elasticity of demand for paint and

*asked by annie on June 19, 2011* -
## Critical Thinking Quiz phi 103

Surveys show that people who use calorie information to decide which foods to eat consume on average 100 calories less than they would if they didn’t check calorie information before eating. Strangely though, people who use calorie information in this

*asked by Anonymous on December 4, 2011* -
## miccoeconomics

you are a painter, and the price of a gallon of paint increases from $3.00 a gallon to $3.50 a gallon. your usage of paint drops from 35 gallons a month to 20 gallons a month. perform the following. compute the price elasticity of demand for paint and show

*asked by pam on November 21, 2010* -
## Social Studies

1.What did the states hope to gain under the Articles of Confederation? A. a strong central government B. freedom, independence, and a firm league of friendship C. a powerful gorvernment D. a strong court system 2.Which of the following BEST describes the

*asked by Jaycee on January 19, 2012* -
## Algebra 1

I am not good at these kinds of problems, so if anyone could show me how to do this, it would be great. Currently, there are about 270 million people in the U.S. The EPA set a goal of 35% of solid waste recylced by the year 2009. The estimate is that by

*asked by Tibby on January 24, 2008* -
## math

help with solving a magic square http://www.jiskha.com/display.cgi?id=1125461237.1125498843 MAGIC SQUARES Magic squares, those seemingly innocent looking collections of numbers that have fascinated so many for centuries, were known to the ancients, and

*asked by nicholas on June 5, 2007* -
## math homework

Problem Design an experiment that uses color to modify human behavior. I. Understand the Problem (a) Discuss how the graph of wavelengths versus eye sensitivity relates to this problem. Answer: (b) Write down a hypothesis for this problem. Answer: II.

*asked by sherri on October 9, 2008* -
## math

a person with no more than $15,000 to invest plans to place the money in two investments. one investment is high risk, high yield: thfe other is low risk, low yield. at least $2,000 is to be plaaced in the high-risk investment. furthermore, thfe amount

*asked by diana on September 7, 2009* -
## To Taylor: raising money

Here's your last post: "Posted by Taylor on Thursday, March 27, 2008 at 5:58pm in response to Work and Family Life (WFL). Thank you, but yes my teacher DOES want me to raise real money. Car washes-- In this weather?? Bake sales-- How would I get the bake

*asked by Ms. Sue on March 27, 2008* -
## Socials

for the question like 2 days ago. About world war I and World war 2 announcement. I think I may be wrong because people were happy to go to ww1 they thought it be fun and easy money but ww2 they had to go no choice. they need to step out of depression only

*asked by Mohammad on November 14, 2011* -
## Physics

1. A steam engine converts 150 kg of water completely to steam. The process involves transfer of 4 x 10^8 J as heat. If steam escaping through the safety valve does 2 x 10^8 J of work against outside atmosphere, the net change in the internal energy is: a.

*asked by Helen on December 20, 2015* -
## Chemistry

I don't understand how to work out the volumes of weak acid and strong base to mix to make 1L of buffer when given the concentrations of weak acid and strong base (in my case 0.160M NaOH and 0.200M H3PO4) and the pH required (7.00). Specifically the

*asked by Sarah on March 30, 2008* -
## Calculus

The following table shows the percentage of the U.S. Discretionary Budget allocated to education in 2003, 2005, and 2009 (t=0 represents 2000) Year t 3 5 9 Percentage p(t) 6.8 7 6.2 (a) Compute and interpret the average rate of change of P(t) (b) Over the

*asked by Ellen on September 24, 2014* -
## Chemistry

I don't understand how to work out the volumes of weak acid and strong base to mix to make 1L of buffer when given the concentrations of weak acid and strong base (in my case 0.160M NaOH and 0.200M H3PO4) and the pH required (7.00). Specifically the

*asked by Sarah on March 30, 2008* -
## Business

The Smart Chips Company specializes in developing first-of-its-kind microchips;yet its market share has been hurt by "clone" microchips. The Robbins text outlines requirements for Value Chain Management. In 4-6 paragraphs discuss how you would put these

*asked by Joan on July 7, 2010* -
## Math (calculus) (mean values)

A company introduces a new product for which the number of units sold Ss given by the equation below, where t is the time in months. s(t) = 155(7-(9/(2+t))) a) Find he average rate of change of s(t) during the first year. I got the answer to be 1395/28 b)

*asked by Ray on December 10, 2016* -
## Math radical equations

Please show me how to do these step by step because I have a test tomorow and I need to understand how to do these questions : 1. M-1 under the square root sign +5= m-2 2. 3n+10 under the square root = n+4 3. K-9 under the square root - (k under square

*asked by Grey on October 7, 2014* -
## algebra

A jet travels at a rate of 798 mi/hr. with the wind. Going against the wind, the jet travels at a rate of 762 mi/hr. What is the rate of the jet in still air and the the rate of the wind? please show how the equation should be set up

*asked by chris on May 26, 2012* -
## English

Please revise the following. thank you. Professor Abdullah Ahmed An-Naim’s, discussion about Islam, Shari ‘a and freedom of belief cleared all of the many false aspects I had about Islam. He first began his discussion by explaining to the audience the

*asked by Jenny on April 25, 2008* -
## Technology

please check these: 1. During which of the following time periods was copper discovered and agriculture advanced to the point where people did not have to depend on native vegetation and animal life to survive? a. Iron Age b. Stone Age c. Bronze Age d.

*asked by y912f on October 23, 2009* -
## Math 4th grade

How can you find the problem solve for this one.. I did in my own way.. I found that answer was not same as what I had... it is 486lbs...Need your help so I can explain to my students. Thanks here is the question: The food stand at the zoo sold 2,514

*asked by Mrs. Ramirez on September 14, 2016* -
## Physics

Hi I am absolutely stumped on this question. A loudspeaker is placed between two observers who are 110 m apart, along the line connecting them. If one observer records a sound level of 60.1 dB and the other records a sound level of 74.9 dB, how far is the

*asked by Joey on November 28, 2008* -
## Physics

Hi I am absolutely stumped on this question. A loudspeaker is placed between two observers who are 110 m apart, along the line connecting them. If one observer records a sound level of 60.1 dB and the other records a sound level of 74.9 dB, how far is the

*asked by Joey on November 28, 2008* -
## Physics

Hi I am absolutely stumped on this question. A loudspeaker is placed between two observers who are 110 m apart, along the line connecting them. If one observer records a sound level of 60.1 dB and the other records a sound level of 74.9 dB, how far is the

*asked by Joey on November 28, 2008* -
## Algebra 2 A

Franco is adjusting a satellite because he finds it is not focusing the incoming radio waves perfectly. The shape of his satellite can be modeled by mc024-1.jpg, where x and y are modeled in inches. He realizes that the static is a result of the feed

*asked by Nino on April 12, 2015* -
## College Algebra

Why am I still not getting this one even after going back through websites and notes? Please explain in detail so I know for next time. Two angles are complementary. The sum of the measure of the first angle and one-fourth the second angle is 62.25

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

Find the orbital speed of a satellite in a circular orbit 3.70×107 m above the surface of the Earth. v = 3030 m/s So I've been trying to solve this problem for some time now and haven't figured it out. What I did is find orbital radius, use that to find

*asked by Alvin on December 1, 2016* -
## Physics

*asked by Joey on November 28, 2008* -
## Force if Distance is Doubled (Physics 11th Grade)

Two like-charged balloons, placed at a distance of .5 meters, experience a repulsive force of .32 N. What is the force if the distance between the two balloons is doubled? If you use Coulomb's Law, the equation used to find .32 N was Force = the constant

*asked by Angela on February 25, 2011* -
## Chemistry

Which letter of the term that is NOT a representative particle of a substance. a)molecule b)atom c)grain d)formulaunit Was ist der "Grain"? what is the representative particle for the substance moelcular compounds? an can you show me how you got the

*asked by Chris on February 2, 2007* -
## english

Relax. The kid’s been delivering the paper for, how long? Three, four years maybe? And not once has she missed us. The paper will be here, just wait and see. She’s just been delayed for some reason. a) true beyond a reasonable doubt b) probably true c)

*asked by Matt on April 14, 2008* -
## algebra

Researchers use formula f(t) = Pe^rt to model the population of fruit flies growing exponentially after t days. Measurements show that f(0) = 30 and f(5) = 1620 a) Find a function of the form f(t) = Pe^rt that models the fruit fly population after t days.

*asked by Anamaria on October 31, 2011* -
## Art

This painting is called "Girl in a Southern German Folk Costume" 1. How did the designers of this German folk dress use the principles of art? A. The designer repeats colors throughout the apron to create unity B. The designer uses different colors to

*asked by Anonymous on April 3, 2015* -
## computer science(Algorithm)

An m X n YOUNG TABLEAU is an m X n matrix such that the entries of each row are in sorted order from left to right and the entries of each column are in sorted order from top to bottom. Some of the entries of YOUNG TABLEAU maybe ¡Þ, which we treat as

*asked by Traxx on October 21, 2010* -
## SS Checj My ANSWERS Please

Part A What is the basic independent unit of world politics? a) country b) province c) nation* d) organization Part B Which of the following groups is an example of the basic unit you selected in the previous question? a) people who share a common language

*asked by I like Cats on October 6, 2016* -
## fifth grade math

How many decimal places are in the product of a number with decimal places to the hundredths multiplied by a number with decimal places to the tenths? A) 2 B) 3 C)4 D)5 Is it C-4 ? If not, please explain how i can solve .. thank you :)

*asked by nikki on December 1, 2015* -
## math

Solve the following equations giving any roots in terms of pi in the .......? interval -2pi ≤ 0 ≤ 2pi. a) 2cos²Θ + sin²Θ = 0 b) 2cos²Θ + sin²Θ = 1 c) 2cos²Θ + sin²Θ = 2

*asked by raj on October 29, 2007* -
## Math

Each car in a rental fleet is either red or white, and there are 75 cars total. There are three more white than twice the number of red cars. How many cars are white? A) 24 B) 47 C) 48 D) 51 How do I solve this?

*asked by Anonymous on February 16, 2018* -
## Calculus

Determine whether the series is convergent or divergent. If it is convergent, find its sum. If it is divergent, enter NONE. sum from 1 to infinity of 1/e^2n. It is convergent, but I do not know how to solve for the sum.

*asked by Sandy on April 3, 2014* -
## Algebra

Solve for y in terms of x . Determine if y is a function of x . If it is, rewrite using notation and determine the domain. xsquared+12x-3y+9=0 is it xsquared + 12x +9=3y f(x)=xsquared + 12x + 6=y ?

*asked by Nicole on September 7, 2008* -
## Math

In a family six members eat meat; five members eat fish while two eat both. Calculate the number of members in the family. How do we solve these ones? Hints please...

*asked by Christopher on May 30, 2014* -
## world history

Drag and drop words and phrases to complete the sentences. emperor, legal, Justinian’s Code, patriarch, Pax Romana, religious, the Apian Way, Twelve Tables. The Byzantine empire drew on the long _______ tradition of the Roman empire. This included the

*asked by meow meow kit kat on March 22, 2019* -
## world history

Drag and drop words and phrases to complete the sentences. emperor, legal, Justinian’s Code, patriarch, Pax Romana, religious, the Apian Way, Twelve Tables. The Byzantine empire drew on the long _______ tradition of the Roman empire. This included the

*asked by meow meow kit kat on March 22, 2019* -
## Science

Please check my answers (at the bottom) with these questions. 1. An apple quickly changes color when exposed to air. This demonstrates a ________. (1 point) physical property chemical property physical change all of the above 2. When a chunk of dry ice is

*asked by Annabelle Hartz on May 7, 2013* -
## sociology

How does the mass media play a role in socialization? Consider the last time you viewed a television show, a movie, listened to a radio broadcast, or read an article from a newspaper or journal. Who was the intended audience? What factors might determine

*asked by wanda on February 6, 2010* -
## Physics

We're in class with a SIL decibel meter up front, and everyone is screaming at the top of their lungs, hooting and shouting and pounding on their desks, shooting off firecrackers, its Phys 1240 gone wild...and the meter is reading a reasonably steady sound

*asked by Quick question on March 31, 2011* -
## Pre-Calculus

Driving down Bald Mountain in Wyoming, Bob dean finds that he descends 1600 feet in elevation by the time he is 2.5 miles (horizontally) away from the high point on the mountain road. Find the slope of his descent (Hint: 1 mile = 5280 feet) After

*asked by Caroline on January 10, 2013* -
## word problem

jonah and his,friends go apple picking. jonah fills 5 baskets. each basket holds 15 apples. if 4 of jonahs friends pick the,same amount, how many apples do jonah and his friends pick in all? please solve,the problem.

*asked by stephie on October 22, 2012* -
## Math

In middle school computer club, 3/8 of the members are girls. Of the girls in the club, 2/5 are 6th-graders. Write and solve an equation to find the fraction of the members of the club that are 6th-grade girls.

*asked by Jaden on March 29, 2016* -
## Math

1.A restaurant surveys 60 of its customers about their new menu. 48 of the customers that take the survey prefer the new menu. A.Which value is unknown in this problem: the part, percent, or whole? B.Write and solve the proportion to find the percent of

*asked by Francis on April 16, 2015* -
## maths

the distance covered by a falling ball varies as the square of the time taken. If a ball falls through 1800m in 15seconds,calculate the distance when the time taken is 15seconds and the time taken for is distance of 648m.solve using variation

*asked by chinaemerem on April 25, 2017* -
## Math (One Step Inequalities)

It costs $100 to join a fitness center plus a monthly fee. You spent $700 last year at the fitness center. How much was the monthly fee? Write and solve an equation to determine the monthly fee.

*asked by arinoodle on January 23, 2019* -
## math

the same cereal costs $3.99 per box at one store, $3.25 at another store and $3.59 per box at the third store what is the average price per box of cereal? solve using an algebra form. I know how to get the answer but what algebreic form would i use?

*asked by jill on November 7, 2011* -
## Math- Algebra

5. A box can hold a maximum of 60 comic books. If comic books are bundled together in groups of 8, write and solve an inequality to find the maximum number of bundles of comic books that the box can carry.

*asked by Harish on January 28, 2016* -
## Maths,variation

the distance covered by a falling ball varies as the square of the time taken. If a ball falls through 1800m in 15seconds,calculate the distance when the time taken is 15seconds and the time taken for is distance of 648m.solve using variation

*asked by Gift on February 11, 2018* -
## Precalculus 2

Similiarly to a question I asked previously I took the same approach. the problem is: what value(s) of theta solve the following equation? cos(theta)sin(theta) - 2 cos(theta) = 0? I let Cos theta = X and sin theta = X unfortunately I end up with something

*asked by Greg on November 14, 2012*

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