# 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 659-
## World History Answer Check (Ms. Sue)

1. What were some of the difficulties faced by the new Latin American republics? A: Some of the difficulties faced by the new Latin American republics were the domination of society by the landed elites and persistent inequality. Large estates remained a

*asked by Victoria on October 29, 2014* -
## physics (please check work)

Four identical particles, each with mass m, are arranged in the x,y plane like a cross. They are connected by light sticks to form a rigid body. If m=2.0kg and a=1.0 m the rotational inertia of this array about the y axis is: work: I know that I= mr^2

*asked by susane on December 9, 2006* -
## Physics

So I had an exam today and one of the questions is bugging me. Our professor is out of town for a few days, so we had a proctor and I still can't figure it out using my notes. It was a question about two carts and deals with momentum. Cart A is at rest

*asked by Kate on July 11, 2011* -
## Physics

So I had an exam today and one of the questions is bugging me. Our professor is out of town for a few days, so we had a proctor and I still can't figure it out using my notes. It was a question about two carts and deals with momentum. Cart A is at rest

*asked by Kate on July 11, 2011* -
## college physics

an atwood machine is constructed by mounting a well-lubricated pulley (not necessarily a ring/disc), whose radius is 6.00cm on an axle and passing a rope over the pulley. Each end of the rope is attached to a different mass of 3.0 kg and 2.0kg so they both

*asked by kim on June 25, 2013* -
## English

okay I'm a little lost on this one :/ which choice correctly completes the sentence? -Gently, they ______ the tiny eggs back in the nest. *set had setted sat had sat(this one looks like it could work too) how do I know if the sentence is in present or past

*asked by ski on January 13, 2015* -
## English

Looking for interesting volunteer work? How about taking children at an orphanage? Children are wating for yor help. You can be their friend! Where: at Chicago Orphanage When: every Sunday Tel 051-123-4567 (Are the poster for volunteers grammatical? Would

*asked by Tom on October 27, 2009* -
## Anthropology

I need some serious Assisting. PLEASE!!!!I am doing a project on gender and gender roles including identities and the equality and inequality. The Culture is Native American. I need help a.s.a.p. This is my last week in this class. Please, please help me.

*asked by jimmy on February 17, 2015* -
## L.A

Which of the following is the best definition of stage directions? A. Notes on how to write the story B. Notes on how the work is to be staged and prformed C. Notes on how to place props and lightning. D. Notes on how to build the set to match the

*asked by Anonymous on March 3, 2015* -
## Psychology

"I just can't make myself study ahead for a test. I work better under pressure. Perhaps it is the fear associated with waiting until the last minute that gets me going." This approach to motivation is best explained by: A. incentive approaches. B.

*asked by Angela on June 19, 2013* -
## world history

1)Who became Da vinci,s rival in Florence? -Michelangelo 2)What was the mistake Leornardo made with his work the last Supper? -leornardo chose to sit Judas in with the rest of the disciples 3)What was the name Da Vinci gave to his appertentice? Can you

*asked by nick on January 31, 2012* -
## physics

The height of a horse is sometimes given in units of "hands". Why was this a poor standard of length before it was redefined to refer to exactly 4 in.? And your thinking is...? I noticed my neighbor's hands, a small woman, are pretty little. We will be

*asked by anonymous on September 6, 2006* -
## Geometry

1. Graph the quadrilateral with vertices C(-9,4), D(-4,8), E(2,6), and F(-3,2). What specific shape is it? 2. Include the work with explanations of how you solved this. 3. List at least 2 other ways you could have proved this. You do not have to prove

*asked by Rachel on March 29, 2011* -
## Calculus

The question is, if f(x) is equal to the series from n to infinity of a sub n times (x-7)^n for all n, find a formula for a sub 10. (I apologize for typing it out in the way that I did, but it was the only way I could. I don't quite understand what is

*asked by David on December 10, 2007* -
## physics

What is the minimum work needed to push a 800 kg car 860 m up along a 9.0 degree incline? Ignore friction. Then assume the effective coefficient of friction retarding the car is 0.22. I have no idea where to start this problem

*asked by Anonymous on March 1, 2010* -
## Calculus I

Sand falls from a hopper into a conical pile with radius equal to half its height. The sand is poured at a rate of 3 m^3 each minute. How fast is the radius increasing after 10 minutes? Need help with the set up and work through of the problem.

*asked by Mike on March 2, 2015* -
## Spanish

Compared to the rest of the children in the world, children in Costa Rica ____ . a. are very literate*** b. remain uneducated c. are worldly, but literate d. have short school years Just checking my work:) *** - My Answer Thanks, Kaai97

*asked by Kaai97 on November 9, 2015* -
## General Chemistry

The work done when a gas is compressed in a cylinder like that shown in Figure 6.5 is 351 J. During this process, there is a heat transfer of 269 J from the gas to the surroundings. Calculate the energy change for this process. Not sure how to do this

*asked by Shayla on June 15, 2010* -
## english

i have to give an "listed action list" on a proposal im doing about "improving reading habitats in children" what does that mean and how would i write that? i came up with a plan as if i was starting a reading program. would it just be completed sentences

*asked by lauren on May 31, 2018* -
## grammar

okay I'm a little lost on this one :/ which choice correctly completes the sentence? -Gently, they ______ the tiny eggs back in the nest. *set had setted sat had sat(this one looks like it could work too) how do I know if the sentence is in present or past

*asked by ski on January 13, 2015* -
## maths (jnv arihant) work and time

a man agrees to build a wall 132 ft long in 36days and employees16men.after 20 days he find that only 60ft of wall is finished.how many more men all how working 6 as many hrs,will be require that the work might be finished in time?

*asked by Anonymous on April 16, 2016* -
## History

I figured out that "We Can Work it Out/Day Tripper" were the first two music videos, they were released as the same single. I am having trouble finding a way to watch this original music video. I could not find any on Youtube besides a montage of photos

*asked by Cassie on March 27, 2009* -
## college math.

write an algebraic expression for the given information. The area of a rectangle whith sides "b" yards and b-6yards. Area of a rectangle is: A=LW When I work the formula I put this: A= LW A=B*(B-6) This seems to be the right answer, just want to make sure.

*asked by Rick on August 14, 2010* -
## Physic

John carries a 200 N suitcase up three flights of stairs (a height of 10 m) and then pushes it with a horizontal force of 50 N at a constant speed of 0.5 m/s for a horizontal distance of 35 meters. How much work does Ben do on his suitcase during this

*asked by Help me on April 6, 2016* -
## leadership

problem statement: Management was informed that staff needs to be reduced. What are three goals that can be used for this problem statement in the nursing field using patient-centered, facilitate the work must increase productivity, quality, and customer

*asked by mossey on May 19, 2015* -
## Calculus

Determine the work done by force f=[1,4] in newtons for an object moving along the vector d =[6,3] Okay i found the vector equation and then the parametric and now i have no clue what do please help :) One more thing there a question that say given the

*asked by Sunny on June 17, 2012* -
## physics

A skier of mass 74.6 kg is pulled up a slope by a motor-driven cable. How much work is required to pull the skier 63.3 m up a 39.0◦ slope (assumed to be frictionless) at a constant speed of 2.0 m/s? The acceleration of gravity is 9.81 m/s 2 . Answer in

*asked by paula on January 29, 2015* -
## English

Which of the following is a fragment a.because we had tickets. b.running past first base. c. Athletes understanding the purpose of practice. d. all of the above. I am think d Which of the following is a fragment? A.Here are the answers to the math

*asked by Anonymous on November 18, 2014* -
## Math

If the stem-and-leaf plot shows kilometers walked by participants in a charity benefit walk. How do I determine how many people participated in the walk and how many of the walkers traveled more than 14 kilometers? I don't want the answer. I just want to

*asked by Denise on October 9, 2014* -
## Physics

skier of mass 79 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to pull him 80 m up a 30° slope (assumed frictionless) at a constant speed of 3.4 m/s? 1 J (b) What power (expressed in hp) must a motor have to perform this

*asked by Muriel on February 26, 2014* -
## Physical Science

In which of these processes is an element of matter changes into a completely different element.....nuclear fusion, nuclear fission, neither, or both? Please note that we don't do students' homework for them. Once YOU have attempted to come up with a

*asked by Gina on March 29, 2007* -
## writing a bussines letter

Your local bank made a mistake on your printed checks. Additionally, the bank charged you for the checks, even though the order was supposed to be complimentary for customers opening a new account. How would you draft a letter that allows your irritation

*asked by Anonymous on November 3, 2007* -
## Healthcare Communication Strategies

I am trying to write a paper on Communication Theory, which was due last night, I got majority of it done but I am stuck, can you help me to finish it please, I currently work In a Primary Care Clinic on a Naval Base, and in this paper I need include how

*asked by Kerri on September 14, 2010* -
## statistics

An airline has a policy of booking as many as 17 persons on an airplane that can seat only 16. (Past studies have shown that only 89% of the booked passengers actually arrive for a flight.) Find the probability that if an airline books 17 persons, not

*asked by Jana on June 12, 2013* -
## Physics-Help Please!!!

A 31.0 kg crate, initially at rest, slides down a ramp 2.6 m long and inlined 14 degrees with the horizontal. Using the work-kinetic energy theorem and disregarding friction, find the velocity of th crate at the bottom of the ramp

*asked by Matt on February 3, 2011* -
## Physics

A 31.0 kg crate, initially at rest, slides down a ramp 2.6 m long and inlined 14 degrees with the horizontal. Using the work-kinetic energy theorem and disregarding friction, find the velocity of th crate at the bottom of the ramp.

*asked by Matt on February 3, 2011* -
## physics

A team of dogs drags a 81.2 kg sled 3.12 km over a horizontal surface at a constant speed.The coefficient of friction between the sled and the snow is 0.172. The acceleration of gravity is 9.8 m/s^2 Find the work done by the dogs. Answer in units of kJ.

*asked by Maria on December 9, 2015* -
## thermodynamics (dont know what to do)

a piston cylinder device initially contains 10lb of acetylene at 70F. the piston is free to move to maintain 1000 psia on the gas. how much WORK is done by the gas as it is headed to 300F. (draw pv diagram)

*asked by adrian on January 17, 2018* -
## Physics

A person having a mass of 60 kilogram exerts a horizontal force of 200N in pushing a 90kg object a distance of 6 meter along a horizontal floor. He does this at constant velocity in 3 seconds. The work done by this person in joules

*asked by Mirza on July 7, 2018* -
## Physics

A 31.0 kg crate, initially at rest, slides down a ramp 2.6 m long and inlined 14 degrees with the horizontal. Using the work-kinetic energy theorem and disregarding friction, find the velocity of the crate at the bottom of the ramp

*asked by Matt on February 3, 2011* -
## Math

Ms.Sue would you mind checking my work? ----------------------------------------- Paulo has $145 his saving account. He earns $36 a week mowing lawns. If Paulo saves all of his earnings, after how many weeks will he have $433 saved? My answer~ 8 weeks

*asked by Anonymous on January 8, 2014* -
## psychology

Whether you're persuaded by a message will primarily depend on which factor? a.) your preception understanding of the recipient of the message b.) your characteristics, including your personality and intelligence c.) whether your receive the message while

*asked by alisha s on April 7, 2011* -
## Physics

A cannon is fired horizontally from atop a 40.0 m tower. The cannonball travels 180 m horizontally before it strikes the ground. With what velocity did the ball leave the muzzle? Okay so this is my work for this problem. please help If I did something

*asked by Alexandra on September 13, 2014* -
## Physics

A 0.245kg ball is thrown straight up from 2.20m above the ground. Its initial vertical speed is 8.80m/s. A short time later, it hits the ground. Calculate the total work done by the force of gravity during that time.

*asked by Kristen on October 20, 2013* -
## Science

I need some answers for my science essay... We have a research report and I cannot find these answers ANYWHERE. The sport I chose for the assignment was Quidditch (awesome, right?) and I cannot find work for a bludger, quaffle, golden snitch, or players. I

*asked by Rain on May 26, 2011* -
## physics

A skier of mass 74 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to pull him 90 m up a 30° slope (assumed frictionless) at a constant speed of 3.0 m/s? J (b) What power (expressed in hp) must a motor have to perform this

*asked by monic on October 12, 2012* -
## Physics

A car of mass 1000 kg moving with a velocity of 30m/s applies break and stop after 3s. Find the magnitude of retarding force, the distance travelled by the car before it came to rest and the work done by the breaking force.

*asked by Priyanshu on October 27, 2016* -
## Math

Hi. The question I'm having problems with: Write the body of an iterative function to compute n!, where n! = n(n-1)(n-2)...1. Then, analyze this function where the work unit is the multiplication operation. I think I have the first part, but I'm confused

*asked by Iah on May 3, 2007* -
## Physics

A 0.157kg ball is thrown straight up from 1.81m above the ground. Its initial vertical speed is 10.40m/s. A short time later, it hits the ground. Calculate the total work done by the force of gravity during that time.

*asked by Anonymous on March 9, 2013* -
## Math

Find the point of intersection between y=2-(1/2)x and y=1+ax. (a=alpha sign). You answer will be a point in the xy plane whose coordinates involve the unknown a . My work so far: I set the two equations equal to each other because they intersect.

*asked by SC on October 8, 2009* -
## english

Which of the following sentences contains an error? A) The student's attitude did not help her succeed. B) How many students are you planning to hire? C) Student's need to work hard if they want to receive good grades. D) Students' votes are important in

*asked by davis on May 21, 2011* -
## Math

A woman has money in two accounts. One account pays 7% annual interest, whereas the other pays 15% annual interest. If she has $1,500 more invested at 15% than she does at 7% and her total interest for a year is $1,545, how much does she have in each

*asked by Chris on November 1, 2014* -
## Physics

An object of mass M is subject to two constant forces: F1, pointing in the x-direction, and F2, pointing in the y-direction. Show that the motion is one of constant acceleration. Find the magnitude and direction of this uniform acceleration. (Use the

*asked by Ama on April 3, 2017* -
## MATH

THERE are six times as many cats at the Orange County Animal Shelter than dogs. Let (c)represent the number of cats at the shelter. Which expressions show the number of dogs at the shelter. a. 6c b. 6+c c. c divided by 6 d. 6-c My answer is C. Is this

*asked by vera on February 10, 2013* -
## Calculus

The following definite integral gives the area of the region between the graph of the function f(x) = Icosx - x^2I (I=modulus), the x-asis, and the lines x=-2 and x=2. the integral of mod cosx - x^2 from -2 to 2. Describe a different region whose area is

*asked by Alex on May 19, 2015* -
## statistic

A lottery ticket has a grand prize of $28 million. The probability of winning the grand prize is .000000023. Based on the expected value of the lottery ticket, would you pay $1 for a ticket? Show your calculations and reasoning clearly.

*asked by Kim on August 27, 2010* -
## chemistry

Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.150 M HClO(aq) with 0.150 M KOH(aq). The ionization constant for HClO is 4.0x10^-8. pH before the addition of any KOH? pH after the addition of 25 mL of KOH? Please show the

*asked by Francesca on March 10, 2015* -
## Can someone please help

Can someone show me how to find the sum of this equation and put it in it's simpliest form? (x^2)/(x^2-25)+(7x+10)/(x^2-25) They have a common denominator: x^2-25 which can factor to (x+5)(x-5) The numerator will add to x^2+7x +10 which can factor to

*asked by Jojo on May 23, 2007* -
## differential equations

Consider the 2nd order differential equation: x''(t)=-x-A(x^2-1)x'(t) x(0)= 0.5 x'0)= 0 ''= 2nd order,'= 1st order where A is a positive constant.As the value of A increases this equation becomes increasingly stiff. Convert this equation to two first-order

*asked by Rikki on November 16, 2011* -
## Math

A cylinder is inscribed in a cone as shown in the diagram below. The cone has a height of 8cm and a fixed radius of R cm. The cylinder has a radius of x cm and a height of h cm. Show that the volume of the cylinder is maximised when x=kR, where k is a

*asked by Isabel on November 29, 2016* -
## science

julie carried out a chemical reaction using magnesium and an acid the products of the reaction were magnesium chloride and hydrogen. julie collected a test tube of the hydrogen. describe what she should do to show that it was hydrogen.

*asked by chloe on March 23, 2011* -
## science project

I am doing a project where I have to start with a solid, show is turning into a liguid and then a gas..Can I use butter as a solid, melt it in cookies, and then bake the cookies showing that it turns into a gas (or by smell of butter in cookies). Thank you

*asked by Karen on November 24, 2007* -
## Statistics

A lottery ticket has a grand prize of $28 million. The probability of winning the grand prize is .000000023. Based on the expected value of the lottery ticket, would you pay $1 for a ticket? Show your calculations and reasoning clearly.

*asked by Casey on August 29, 2010* -
## Math

Can someone help or show me how to do this problem? On a scale drawing of a house plan the master bathroom is 1 1/2 inches wide and 2 5/8 inches long. If the scale of the drawing is 3/16 inches=1 foot, what are the actual dimensions of the bathroom?

*asked by Max on February 6, 2016* -
## science

julie carried out a chemical reaction using magnesium and an acid the products of the reaction were magnesium chloride and hydrogen. julie collected a test tube of the hydrogen. describe what she should do to show that it was hydrogen.

*asked by chloe on March 23, 2011* -
## science

julie carried out a chemical reaction using magnesium and an acid the products of the reaction were magnesium chloride and hydrogen. julie collected a test tube of the hydrogen. describe what she should do to show that it was hydrogen.

*asked by chloe on March 23, 2011* -
## English

I have to write a 500-750 word essay using exemplification as a method of development. This is my first draft. Can someone proof read this for any errors and help let me know the areas that I need to work on. Do you think this is a good Exemplification

*asked by Sandy on September 16, 2014* -
## Physics-VASTS

The Mass Budget: Mars Reconnaissance Orbiter Repair Mission Operational Concept Math Problem: The Mars Reconnaissance Orbiter (MRO) has encountered a failure in its High Resolution Imaging Science Experiment (HiRISE) camera. Mission Case: As the HiRISE

*asked by red on March 7, 2013* -
## Math Accounting

Determine the proposal’s appropriateness and economic viability. For all scenarios, assume spending occurs on the first day of each year and benefits or savings occurs on the last day. Assume the discount rate or weighted average cost of capital is 10%.

*asked by Greg on April 9, 2014* -
## English (essay question)

Hi, I'm doing an assignment which requires me to choose two of Mark Twain's quotes (from a certain page) and answer the following questions: 1. What is the essential cultural observation or situation being satirized? What clues lead you to this conclusion?

*asked by Max on March 7, 2018* -
## Theory of Vibration

(1) The time for vibration of a viscous-damped spring mass system having a mass of 20kg is 0.30s. When the mass is stationary the upper end is made to move vertically downward at a velocity of 100mm/s. neglecting the mass of the spring and taking the

*asked by Apanpa1 on August 30, 2008* -
## math,help

Can someone help me understand the following in terms that i can understand because i've read the book,definitions i've done research and i am new with this and i still don't understand.The teacher is hopeless at explaining that's why i am here for help.

*asked by jacky on March 21, 2007* -
## history essay please help!

How does the growth of the world's population today compare with its growth 100 years ago? Explain why the changes have taken place. My essay: Today's world population growth compared to the population growth 100 years ago is a big, big difference. The

*asked by andrew on November 14, 2014* -
## Prac Exer For Intruc Pack 4

Warniing question's may cuase headache. EXAMINATION NUMBER: 04281800 1. A person with a square face shape and a rectangle body shape has what bodyline? A. Straight C. Soft-straight B. Sharp-straight D. Soft-straight II 2. A suit with rounded lapels and a

*asked by Anonymous on July 21, 2012* -
## Physics

9. Figure shows an aluminium wire of length 60 cm joined to a steel wire of length 80 cm and stretched between two fixed supports. The tension produced is 40 N. The cross-sectional area of the steei wire is 1.0 mm2 and that of the aluminium wire is 3.0

*asked by Vandit on December 18, 2016* -
## Reading

Many people are fascinated by outer space. School children learn about our solar system in school. Tv and radio announcers tell us what to watch for in the night sky. They tell us when the planets are brightest and whcih ones we can see with the naked eye.

*asked by Scott on November 3, 2010* -
## physics

A 60 kg skier leaves the end of a ski-jump ramp with a velocity of 26 m/s directed 23° above the horizontal. Suppose that as a result of air drag the skier returns to the ground with a speed of 19 m/s, landing 8.3 m vertically below the end of the ramp.

*asked by mary on June 9, 2009* -
## Chem 125

Three bulbs are connected by tubing, and the tubing is evacuated. The volume of the tubing is 27.0 mL. The first bulb has a volume of 37.0 mL and contains 5.65 atm of argon, the second bulb has a volume of 250 mL and contains 2.16 atm of neon, and the

*asked by Marisa on October 16, 2016* -
## Physics

Electric Field of Two Charges : 15.0 points A point charge is located at x=0, and a point charge is placed at on the -axis of a cartesian coordinate system.The goal of this problem is to determine the electric field, , at various points along the -axis.

*asked by P on February 24, 2013* -
## physics

In the following diagram, the hanging mass is 3.5kg, and the box has a mass of 1.5kg. If the force of the box with the surface is 0.80N, a) find the acceleration of the masses b)determine the force of tension in the string The diagram shows a box on a

*asked by codyramsz on November 9, 2011* -
## History

why do scientists believe the discovery of the Clovis spear points in Washington is significant A. They are the only evidence of ancient humans in the pacific northwest *my answer* B. They prove that ancient farmers were also great hunter's C. They show

*asked by i hate math and who cares what me first name is on March 7, 2019* -
## PHYSICS

Hi! I have some questions from a study guide in my physics class, and they give me the answer, but I have to show how to get the answer. I did most of them, but need help with this. All I need is a formula, please. :)Thank you! Here it is: A skier with a

*asked by Anna on March 14, 2013* -
## maths

I am really facing difficulty in maths. I do my best to improve in maths but after entering in the examination hall during my exams, i just get confused. please help The proper name for the subject is mathematics or just "math" for short. Calling it

*asked by devendri on June 14, 2006* -
## Phyiscs

A lbock is given an intial speed of 4.0 s^-1 m up the 22 degree plane How far up the plane will it go ok I got this to be something like 2.2 about i understand this i need help on this how much time elapses before it returns to tis starting point? Ignore

*asked by Physics on July 11, 2009* -
## Physics

A quarterback throws a pass at an angle of 40 degrees above the horizontal with an initial speed of 20 m/s. The ball is caught by the receiver 2.55 seconds later. Determine horizontal velocity, vertical initial velocity, the distance ball was thrown, and

*asked by JoseF3 on October 4, 2015* -
## Calculus Please Help

Hello I'm reposting this question because right now it's at the bottom and I don't think I will get an answer. Assume that the follwing function gives the position of an object at time t. Find the velocity indicated by setting up and evaluating a limt

*asked by Catherine on February 17, 2011* -
## Math

At an annual flower show, 6 different entries are to be arranged in a row. a) How many different arrangements of the entries are possible? b) If the owners of the 1st, 2nd, and 3rd place entries will be awarded prizes of $100, $50, and $25 respectively,

*asked by Jennifer on March 25, 2007* -
## biology

Why would a pedigree help determine if a trait is X-linked? It would show which sex in a family is affected, unaffected, and the carrier for a trait. Pedigrees are not useful tools for determining X-linked inheritance. It can measure how likely an X-linked

*asked by help on April 18, 2019* -
## algebra

The value, v, of a shopkeepers inventory software program is given by v= -1/2t+5, where t is the number of years since the shopkeeper bought the program. What is the program worth four years after it is 1st purchased. Plot the point with the given t-value,

*asked by anonymous on May 13, 2011* -
## Algebra 2

At the ruins of Caesarea, archaeologists discovered a huge hydraulic concrete block with a volume of 945 cubic meters. The block's dimensions are x meters high by 12x - 15 meters long by 12x - 21 meters wide. What is the height of the block? Can someone

*asked by Krystal on October 9, 2013* -
## As physics

How do you calculate the braking distance? driver reaction time=0.6s initial speed of car=30ms-1 speed*2= distance*4 Please show all the steps and the equations you used in words the question states initial speed*2 is equal to = distance*4 If you need

*asked by Jan on November 30, 2017* -
## Math help understand

Have world problem and I don't get it please explain step by step simplify and show me as many ways as possible cause one might be easier than other !! A bicycle travels at constant speed of 15km/hr. Bus starts 195km behind bicycle and catches up to

*asked by Annie on March 20, 2014* -
## math

A cylinder is rolled three complete revolutions to create a rectangular shape 32 inches long and 12 inches wide. Write an expression for the area of the rectangle in terms of the diameter of the cylinder. Show how you could use this expression to find a

*asked by Anonymous on February 19, 2015* -
## Math

Pedro and Ivan raced each other in a 24-mile bike race. After 2o minutes, Pedro traveled 5 miles. Ivan had spent the 20 minutes travelling at a rate of 16 miles per hour. Which person was in first place after 20 minutes? Use words and/or numbers to show

*asked by Amy on November 9, 2017* -
## 1 Out Of 100 Math Trick HELP PLEASE!!!

1. Choose a number between 1 and 100. 2. Multiply the number by 5. 3. Add 15 to the number. 4. Divide the number by 5. 5. Subtract the original number. How does this work, please help!

*asked by Em8 on September 29, 2017* -
## Science

which property of nutrients shows that they are a type of matter? A. Nutrients are colorful B.Nutrients can do work C. Nutrients contain energy D. Nutrients have mass

*asked by Anne on March 2, 2014* -
## Physics

A wheel has a coonstant rotational acceleration of 3.0 rad/s^2. During a certain 4.0 s interval, it turns through an angle of 120 rad. Assuming that the wheel starts from rest, how long is it in motion at the start of the 4s interval. I just need help in

*asked by laura on December 4, 2006* -
## Chemistry

I've been trying to figure out how to go about answering this question and don't even know where to start. Any help would be greatly appreciated The oxidation of NH3 to NO in the Ostwald process must be very carefully controlled in terms of temperature,

*asked by Jess on March 20, 2019* -
## physics

The ballistic pendulum is a device used to measure the speed of a fast-moving projectile such as a bullet. The bullet is fired into a large block of wood suspended from some light wires. The bullet is stopped by the block, and the entire system swings up

*asked by zianna on August 30, 2012* -
## Economics

4.20 Diamonds clearly satisfy less important needs than water, which is essential to life. Yet according to market prices, the essential commodity, water, is worth less than the less essential commodity, diamonds. Why would a vital com-modity such as water

*asked by Karla on January 26, 2010*

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