Sunday

June 26, 2016
**Physics**

Two blocks M1 and M2 are connected by a massless string that passes over a massless pulley as shown in the figure. M1 has a mass of 8.25 kg and rests on an incline of 73.5°. M2 rests on an incline of 15.5°. Find the mass of block M2 so that the system is in equilibrium...
*Wednesday, October 14, 2015 by meg*

**U.S. History **

1. Explain why Secretary of State James G. Blaine convened the Pan-American conference in 1889. A: James Blaine convened the Pan-American conference because he wanted to create a customs union between Latin America and the United States. A customs union would require American ...
*Tuesday, October 13, 2015 by Victoria*

**chemistry**

A reaction mixture of 4.0 mL of 0.002 M SCN- and 5.0 mL of 0.002 M Fe3+ is diluted to 10.0 mL with 0.1 M HNO3 to form the blood-red FeNCS2+ complex. The equilibrium molar concentration of the FeNCS2+ determined from a standardization curve is 1.5x10^-4 mol/L. Calculate, in ...
*Tuesday, October 13, 2015 by Anonymous*

**Algebra 2 **

Solve each system 6x-2y=10 3x-2=y
*Monday, October 12, 2015 by Sam *

**Algebra 2**

Solve each system 6x-2y=10 3x-2=y
*Monday, October 12, 2015 by Sam*

**Accounting**

In its first month of operations, Giffin Company made three purchases of merchandise in the following sequence: (1) 260 units at $5, (2) 360 units at $7, and (3) 460 units at $8. Assuming there are 160 units on hand at the end of the period, compute the cost of the ending ...
*Monday, October 12, 2015 by Allie*

**math**

Find conditions on k that will make the following system of equations have a unique solution. To enter your answer, first select whether k should be equal or not equal to specific values, then enter a value or a list of values separated by commas. Then give a formula in terms ...
*Monday, October 12, 2015 by Excel*

**Chemistry**

I am told to find the "Total heat capacity of the system in the Calorimeter" All I have is this equation: Csys=Ccal+Csol What is this Csys? and how do I figure out how to use this equation? Thankyou
*Monday, October 12, 2015 by Adam*

**Algebra 2**

Solve each system 3x-9y=3 and 2x=16-y
*Sunday, October 11, 2015 by Eric*

**Algebra 2**

Solve each system 6x-2y=10 and 3x-2=y
*Sunday, October 11, 2015 by Eric*

**Math**

Need help on writing a system of equations. I can figure it out without the systems but now sure how to write a systems of equations not knowing how many the box can hold. Dark chocolates cost $0.25 each and milk chocolates cost $0.15 each. Tom wants twice as many dark as milk...
*Sunday, October 11, 2015 by Brandi*

**Georgia History**

which of the following effects of the french and indian war most contributed to smuggling in the colonies? increased taxes from the crown enforcement of the navigation acts presence of british soldiers in the colonies removal of the spanish from flordia which economic system ...
*Saturday, October 10, 2015 by john*

**Biology **

I put them in order, but am not sure. Please take a look? Question: Put the following events of the adaptive immune response in the order they occur. (c) You cut yourself and bacteria enter the wound. (f) A dendrite near the cut phagocytizes some bacteria and uses MHC proteins...
*Friday, October 9, 2015 by Anonymous*

**Physics **

Three blocks are located on a horizontal frictionless table. They are connected by a massless cord, as shown in the figure, and pulled to the right. The masses of the three blocks are m1 = 38 kg, m2 = 37 kg, and m3 = 17 kg. a.) The pulling force is equal to T3 = 45 N. What is ...
*Thursday, October 8, 2015 by Carly*

**Geometry**

Set up a system to solve. Two angles are supplementary. Three times one angle is equal to the other angle minus 16. Find the angles. The answer is x= 41 and y= 139. How did they get the answer?
*Thursday, October 8, 2015 by ashley*

**Geometry**

Set up a system to solve. Two angles are complementary. Four times one angle is equal to the other angle plus 10. Find the two angles.
*Thursday, October 8, 2015 by ashley*

**Go Math grade 6**

What is the result of the problem below? Thanks What is the problem system?The Webster family is planning a barbecue for one hundred people. The Webster family needs one plastic plate for each person at the barbecue. The Stop and Shop store and Market Place Store both sell ...
*Thursday, October 8, 2015 by Lemi*

**Geometry**

set up a system to solve. Two angles are supplementary. Twice one angle is equal to the other anlge minus 36. Find both angles.
*Thursday, October 8, 2015 by ashley*

**algebra**

Two lines, C and D, are represented by the following equations: Line C: y = x + 5 Line D: y = −2x − 1 Which of the following options shows the solution to the system of equations and explains why? (−2, 3), because the point does not lie on any axis (−2...
*Wednesday, October 7, 2015 by anan*

**dynamics**

A helical spring of stiffness k is cut into two halves and a mass m is connected to the two halves. The natural time period of this system is found to be 0.5 s. If an identical spring is cut so that one part is one-fourth and the other part three-fourths of the original length...
*Wednesday, October 7, 2015 by mpho*

**Science**

Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly**** Scientists use models of natural systems because they like to use art in science. ...
*Tuesday, October 6, 2015 by Shalee ^~^*

**Pre Calculas**

7. For the function defined by: f(x)= {x^2, x<=1} {2x+1, x>1} a. evaluate f(0) 8. Solve the following system of equations algebraically. Verify your solution either graphically or by using matrices. 3x-y=0 5x+2y=22 9. Solve the following system of equations algebraically...
*Tuesday, October 6, 2015 by Bob*

**Pre Calculas**

7. For the function defined by: f(x)= {x^2, x<=1} {2x+1, x>1} a. evaluate f(0) 8. Solve the following system of equations algebraically. Verify your solution either graphically or by using matrices. 3x-y=0 5x+2y=22 9. Solve the following system of equations algebraically...
*Tuesday, October 6, 2015 by Ryan*

**programming in basic**

1 If four statements are entered with the same statement number, the computer will accept the ______ statement with the duplicate statement number first second third fourth 2 ______ is a valid BASIC number? 567890100 200,000 $65 1.05E+09 3 Data provided using the ______ ...
*Tuesday, October 6, 2015 by stephen*

**Pre Calculas**

Im really struggling and need help with this 1. One of the tables below contains (x,y) values that were generated by a linear function. Determine which table, and then write the equation of the linear function represented by the Table #1 x 2 5 8 11 14 17 20 y 1 3 7 13 21 31 43...
*Monday, October 5, 2015 by Ryan*

**Physics**

Two blocks connected by a rope of negligible mass are being dragged by a horizontal force F (Fig. P5.45). Suppose that F = 75.0 N, m1 = 14.0 kg, m2 = 19.0 kg, and the coefficient of kinetic friction between each block and the surface is 0.098. a)Determine the tension T. b)...
*Monday, October 5, 2015 by Ali *

**Art History**

A. Pyramid B.Propaganda C.Babylonians D.Cuneiform E.Gudea of Lagash F.Ziggurat G.Amorites H. Clay I.The Sumerians J.Mesopotamia 1. Ancient region of Southwest Asia between the Tigris and Euphrates rivers. 2. They invented the wheel 3. Sumerian writing system 4. A semitic group...
*Monday, October 5, 2015 by dee*

**Science **

1. Which component of the technological system is achieved when an automobile airbag inflates? A. Input B. feedback C. process D. output I think the answer is D. Output. Possibly C. Process. Please help. It will be greatly appreciated. Thank you for your time!!!
*Sunday, October 4, 2015 by BabyCakes101*

**Science **

1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
*Sunday, October 4, 2015 by Shalee ^~^*

**Distributed Management System**

what is the crow's foot ERD of this problem?
*Sunday, October 4, 2015 by Karen*

**Physical Chemistry**

A saturated solution of Na2SO4, with excess of the solid, is present at equilibrium with its vapor in a closed vessel. (a) How many phases and components are present? (b) What is the number of degrees of freedom o the system? Identify the independent variables. Suppose that ...
*Saturday, October 3, 2015 by Jessica*

**Physics**

You testify as an expert witness in a case involving an accident in which car A slid into the rear of car B, which was stopped at a red light along a road headed down a hill (Fig. 1). You find that the slope of the hill is Ɵ = 120 , that the cars were separated by ...
*Saturday, October 3, 2015 by Jo*

**Math**

Earth is represented on a map of a portion of the solar system so that its surface is the circle with equation x squared + y squared + 8x + 6y - 3575=0. A weather satellite circles 0.4 unit above Earth with the center of its circular orbit at the center of Earth. Find the ...
*Friday, October 2, 2015 by Anonymous*

**chemistry**

Raising the temperature of a reacting system increases the rate of the reaction, but does NOT increase the:
*Thursday, October 1, 2015 by ray*

**Physics**

In the design of a rapid transit system, it is necessary to balance the average speed of a train against the distance between station stops. The more stops there are, the slower the train's average speed. To get an idea of this problem, calculate the time it takes a train ...
*Wednesday, September 30, 2015 by Anonymous*

**Math**

Hello, I need to use a matrix to solve this but am stumped on how to do it. All I need is a little nudge to push me in the right direction. Please help. Thank you You have been hired as a consultant for Crazy Al’s Car Rentals, a new car rental agency in the city of ...
*Wednesday, September 30, 2015 by Andres*

**Social Studies**

1. TO which system of governemt is the feral system most similar? A. the unitary system, ecause both place most powers with legislature B. the conferal system, because both spilt powers among the state and national governemnts C. the unitary system, because both concentrate ...
*Wednesday, September 30, 2015 by HELPPP*

**Math**

Not Urgent But Please Check My Answer: A pencil at a stationery store costs $1, and a pen costs $1.50. Stella spent $21 at the store. She bought a total of 18 items. Which system of equations can be used to find the number of pencils (x) and pens (y) she bought? I think it is ...
*Wednesday, September 30, 2015 by Nina*

**Chemistry**

Hello! I really need help with this. Name the following salts according to the old -ic, -ous system and the stock system. a. CrS b. Cr2O3 c. CrI3 X 6H20 d. CuCl e. CuI2 f. CuBr2 x 4H20 g. HgCl2 h. Hg2Cl2 i. Fe (OH)3 I am totally lost. I don't know how to name these. I have...
*Tuesday, September 29, 2015 by Rebecca*

**Social Studies**

May you please check if my answer is correct? Why did the system of feudalism arise during the Middle Ages? (1 point) to develop an economic system to determine jobs within a city to defend the countries from attacks to organize the household of noblemen A is my answer
*Tuesday, September 29, 2015 by Dorathy*

**health**

What three processes does food undergo in the digestive system
*Tuesday, September 29, 2015 by christian*

**Chemistry**

I cannot understand how the mass of the system has changed. There's no need for you to do my work please just explain it to me! :) thanks so much A scientist placed copper powder into a crucible and heated it until all of the copper reacted. The resulting product was ...
*Tuesday, September 29, 2015 by nicole*

**algebra**

solve the system using elimination 2x-5y=8 x-3y=-1 please explian step by step
*Monday, September 28, 2015 by sarah*

**Simple Harmonic Motion**

A mass 1.2 kg of is attached to a spring and placed on a friction-less air track. Initially the mass is resting in equilibrium. A 10-gram bullet is fired into the mass to initiate oscillatory motion. The bullet hits the mass from the left side at a speed of 120 m/s at t=0 and ...
*Monday, September 28, 2015 by Jay*

**SCIENCE**

which of the following allows a plant's vascular system to work as a transport system? A. a plant's vascular system is made up of specialized cells that move around the plants as it grows. B. a plant's vascular system is made up of specialized cells that are ...
*Monday, September 28, 2015 by I NEED HELP FAST!*

**Science**

Why do scientists use models of natural science? A) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly B) Scientists use models of natural systems because they like to use art in science. C) ...
*Monday, September 28, 2015 by Grace*

**Social Studies**

Can you please check my answers. What caused the rise of the feudal system in Japan? In your answer, explain what a feudal system is. 5 points The cause of the Japanese feudal system was the rising of the Shogun and large imperial Daimyo. The feudal system is a single major ...
*Monday, September 28, 2015 by Dorathy*

**physics**

The potential energy (in J) of a system in one dimension is given by:2 3 U(x) = 5 − x + 3x − 2xWhat is the work done in moving a particle in this potential from x = 1 m to x = 2 m? Whatis the force on a particle in this potentialat x = 1 m and x = 2 m? Locate the ...
*Sunday, September 27, 2015 by freddy*

**algebra**

solve the system by substitution x+y=9000 .06x+.15y=1215 .06x+.15(x-9000)=1215 .06x+.15x-1350=1215 .21x-1350=1215 x-1350+1214.79 x+2564.79 don't look right? where did I go wrong
*Sunday, September 27, 2015 by john*

**Social Studies**

What was a great contribution of the Islamic golden age? West African trading empires traded what commodities? Why did the Bantu-speaking people migrate? How did Kilwa and Aksum become powerful? How did the Inca keep records? What did the Maya farmers do when the soil wore out...
*Sunday, September 27, 2015 by Animegirl*

**Social Studies**

What was a great contribution of the Islamic golden age? West African trading empires traded what commodities? Why did the Bantu-speaking people migrate? How did Kilwa and Aksum become powerful? How did the Inca keep records? What did the Maya farmers do when the soil wore out...
*Sunday, September 27, 2015 by Animegirl*

**science**

A system is a group of connected parts that work together as one to produce a particular result. Let’s say that you go to the Smoothie station and get a banana strawberry smoothie. Describe the main parts of this system- input, process, and output. ...
*Sunday, September 27, 2015 by Helpppppppppppppppp Plzzzzzzzzzzz*

**Economics**

When XYZ firm entered the market for good two years back, it kept the price of its product low to attract customers away from its leading competitor. The firm has now established itself and has a market share of 20 percent. The management of XYZ is is planning to increase ...
*Sunday, September 27, 2015 by Cole*

**Computer Science**

0 down vote favorite I have to print: Ain't no sunshine when she's gone It's not warm when she's away. Ain't no sunshine when she's gone And she's always gone too long Anytime she goes away. How would I used methods to print these no loops? Would ...
*Saturday, September 26, 2015 by Jake*

**Criminal Justice/White Collar Crime**

Excessive billing can take several forms. What are retainers? A. Patients paying directly for services such as calls, refills, and conferences that Medicare considers covered. B. Contracts for services that exceed Medicare limits. C. Up-front fees for services covered by ...
*Saturday, September 26, 2015 by Pat*

**algebra 2**

How does writing equivalent equations help you solve a system of equations?
*Friday, September 25, 2015 by cj*

**Algebra**

You go to the doctor and he gives you 13 milligrams of radioactive dye. After 20 minutes, 4.5 milligrams of dye remain in your system. To leave the doctor's office, you must pass through a radiation detector without sounding the alarm. If the detector will sound the alarm ...
*Thursday, September 24, 2015 by Marina*

**Georgia state history **

which of the following actions does not describe land ownership in royal georgia? A: Women were allowed to own property.****** B: The largest land grants were limited to 500 acres. C: The headright system was used to determine the size of the grant. D: Land could be inherited...
*Thursday, September 24, 2015 by Sara*

**AP Chemistry **

Hey guys! I'm stuck on some study guide problems... (On the bottom of this, I put what answers make sense to me) A) A factor that affects the speed of heterogeneous reactions but not of homogeneous reactions is 1)nature of reactants 2)concentration of reactants 3)area of ...
*Wednesday, September 23, 2015 by Allie *

**s.s**

How has Britain’s political system impacted Canada’s political system
*Wednesday, September 23, 2015 by lili*

**socials**

How has Britain’s political system impacted Canada’s political system (e.g., how, to a great extent, it’s modelled on it in the type of government we have, legal system, etc.)? Make sure to also include the influence of the English Bill of Rights and John Locke
*Wednesday, September 23, 2015 by mmmmm*

**science**

Help me please looked everywhere T- the skeletal system consists of 206 bones H- helps protects the body E- S-support K- E- L-ligaments E- T-tendons A- L- S-skeleton Y- S-shape and structure T- E-exercise M-
*Tuesday, September 22, 2015 by Anonymous*

**Calculus 3! ASAP please**

1.A given line is described by the system of equations x=2t+7; y=-3t+4; z=5-t; find the equation of a line parallel to the given line and which contains the point (1,1,0). 2.Let a=<0,6,2> and b=<0,2,4>, then the component of a parallel to b is given by? - the ...
*Tuesday, September 22, 2015 by Sally*

**, science,**

GOT STUCK PLEASE HELP LOOKED AT EVERY WEBSITE T- the skeletal system consists of 206 bones H- helps protects the body E- S-support K- E- L-ligaments E- T-tendons A- L- S-skeleton Y- S-shape and structure T- E-exercise M-
*Monday, September 21, 2015 by erc33*

**science**

acrostic poem for "THE NERVOUS SYSTEM" please help been trying all day can get it
*Monday, September 21, 2015 by ben54*

**science**

I need help on a acrostic poem for nervous system. Anyone please do tomorrow
*Monday, September 21, 2015 by benj*

**History**

Which of the following was not one of the underlying causes of the Panic of 1893? the failure to build enough railroad lines to satisfy market demands the weaknesses of the American banking system the withdrawal of British funds from American investments the falling prices of ...
*Monday, September 21, 2015 by jackie*

**physics**

the tallest volcano in the solar system I the 23 km tall Martian volcano, Olympus Mons. An astronaut drops a ball off the rim of the crater and that he fee fall acceleration of the ball remains constant throughout he ball's 23 km fall at a value of 3.3 m/^. (We assume that...
*Monday, September 21, 2015 by luma*

**Religion **

what are the advantage of monarchy system that israel wanted to have "just like the other nations" ?
*Monday, September 21, 2015 by tim*

**physics **

Knowing that in most all movement situations the mass of the system stays constant, how do you get the momentum of a system to change?
*Sunday, September 20, 2015 by kat*

**Criminal Justice**

White-collar crime became a focus in the American criminal justice system in which century?
*Friday, September 18, 2015 by Micky*

**english**

In less than 50 words, write a summary in which you describe the caste system of India. Base your summary on what you read about life in the district where the Dalit caste lives. (Use your own words and do not copy sentences from the article). (10 marks)
*Wednesday, September 16, 2015 by sfiso*

**Science**

A farmer wants to determine if a new fertilizer gives her a better crop yield than her old fertilizer. She spreads the old fertilizer in field A, which has a brand new irrigation system. She spreads the new fertilizer in field B, which has an irrigation system that will be ...
*Tuesday, September 15, 2015 by Sara*

**history**

X= least important cause or consequence with explanation why A,B, C = least important cause or consequence, with explanation why Y= your assertion statement can someone plz explain what the thesis formula means and how to use it my topic is Analyze the Impact of the Atlantic ...
*Monday, September 14, 2015 by sarah*

**Calculus**

Find the limit as x approaches infinity. sqrt(81x^2 + x)− 9x. I've worked this two different ways and have gotten 0 and 1/9, neither of which is the right answer according to the homework system??
*Monday, September 14, 2015 by kelly*

**science**

What is the importance of questioning in the SQ3R system? 1.) Questioning helps you read the material quickly. 2.) Questioning keeps your brian actively trying to find answers while you are reading. 3.) Questioning helps you identify questions that will be on the test. 4.) ...
*Monday, September 14, 2015 by HELP PLZ*

**college physics**

You step onto a hot beach with your bare feet. A nerve impulse, generated in your foot, travels through your nervous system at an average speed of 124 m/s. How much time does it take for the impulse, which travels a distance of 1.60 m, to reach your brain?
*Sunday, September 13, 2015 by jess*

**Computer Science Principles**

I need to know what's wrong with my code and it's supposed to be in the Next-Line blocking style. import java.util.Scanner; public class AreaOfCircle{public static void main(String[] args) { double PI = 3.14159;double get_this; double v; Scanner keyboard = new Scanner(...
*Sunday, September 13, 2015 by Charlie*

**ENGLISH**

Formal essay topic sentence guidelines: 1.) Topic sen. must be debatable, or, at the very least, worthy of discussion. They should not present straight facts with which most people would readily agree, nor should they be general statements about life. 2.) Topic sen. should ...
*Saturday, September 12, 2015 by Emily*

**probability**

An installation technician for a specialized communication system is dispatched to a city only when three or more orders have been placed. Suppose that orders follow a Poisson distribution with a mean of 0.25 per week for a city with a population of 100,000, and suppose that ...
*Saturday, September 12, 2015 by poisson*

**MATH HELP**

A consistent system of equations is a system with __________. the same line parallel lines intersecting lines and lines that have the same slope intersecting lines and lines that have the same equation
*Thursday, September 10, 2015 by Oscar*

**physics**

In the (Figure 1) the coefficient of static friction between mass mA and the table is 0.42, whereas the coefficient of kinetic friction is 0.17. Ignore masses of the cord and the (frictionless) pulley. What minimum value of mA will keep the system from starting to move? What ...
*Thursday, September 10, 2015 by Allie*

**Ed Tech**

Before katie turns in the paper she typed she wants a peer to review it and give her feedback. katie uses her all in one printer to scan her edit,prints, and send them to her friend. An all in oneprinter is -Input device -Output device -Data storage device -Operating system
*Thursday, September 10, 2015 by Elizabeth*

**math**

In 2014, Timmers, Inc. (a retail clothing company) sold 102,300 units of its product at an average price of $100.00 per unit. The company reported estimated returns and allowances in 2014 of 1.5 percent of gross revenue. Timmers actually purchased 109,500 units of its product ...
*Thursday, September 10, 2015 by Ryan*

**U.S Government**

What does policymaking system mean?
*Wednesday, September 9, 2015 by Lesly Roman*

**Algebra**

An algebra teacher is writing a test. There will be two types of questions: multiple-choice and open-ended. The multiple-choice questions take 3 minutes to complete and the open-ended questions take 12 minutes to complete. There must be at least 3 open-ended questions, at ...
*Tuesday, September 8, 2015 by Charlie*

**Algebra**

Choose all correct answers. Which of the following ordered pairs are solutions of the system, y =x-4 (6,3) (4,0)*** (3,-1)***** (2,-4) Please help
*Monday, September 7, 2015 by Bubbles*

**problem solving**

for a parallel structure of identical components, the system can succeed if at least 1 of the components succeeds. Assume that components fail independently of each other and that each component has a 0.19 probability of failure. A) unusual to see 1 component fail? B) unusual ...
*Monday, September 7, 2015 by john*

**Gen edu 499 quiz critical thinki**

The very large increase in allergies over the last thirty years is due to the great success of immunizations administered over this time period. Since immunizations have nearly eliminated life-threatening diseases such as polio, the human immune system increasingly targets ...
*Sunday, September 6, 2015 by Lisa *

**Operating System**

How would you rank the principle of concurrency? Explain the design issues for which the concept of concurrency is relevant.
*Sunday, September 6, 2015 by Monique*

**politics**

James Bryce believed that the Constitution was a fine example of: A. mass democracy at work. B. development of an oligarchical system of government. C. an incrementally improved system not far removed from the Magna Carta. D. a governing system that encouraged the ...
*Friday, September 4, 2015 by bev*

**mechanics: spring problem**

You drop a block from rest from a height h=3 m. The block lands on the spring at height h1 = 1.5 meters (spring constant = 160Nm) and compresses it 0.5 m before the block and spring momentarilty come to rest. (The spring then pushes the block upward.) What is the mass of the ...
*Thursday, September 3, 2015 by student1618*

**mechanics: simple harmonic oscillation**

Consider an ideal spring that has an unstretched length ℓ and a spring constant k. Suppose the spring is attached to a mass m that lies on a horizontal frictionless surface. The spring-mass system is compressed a distance of x_0 from equilibrium and then released with an...
*Thursday, September 3, 2015 by student1618*

**mechanics**

Dylan hangs a calendar on a refrigerator with a magnetic hook. Unfortunately, the magnet is too weak, so the magnet and calendar slide down the side of the refrigerator to the floor with an acceleration of magnitude 3ms2. If the coefficient of sliding friction between the ...
*Thursday, September 3, 2015 by student1618*

**Biology**

Justify why it is important to scientists to have a universal system of measurements. What does this mean? Can someone help explain it to me? I'm doing some research but I'm still confused. Please help? Thanks
*Thursday, September 3, 2015 by SkatingDJ*

**math**

Please help. mr trocki is the groundskeeper for a vacation resort. he has programmed the sprinkler system to run at night in three different zones. The sprinklers turn on at midnight and run until 7am. the fist zone runs every 90 minutes, the second zone turns on every 40 ...
*Wednesday, September 2, 2015 by Hannah*

**Math**

mr trocki is the groundskeeper for a vacation resort. he has programmed the sprinkler system to run at night in three different zones. The sprinklers turn on at midnight and run until 7am. the fist zone runs every 90 minutes, the second zone turns on every 40 minutes, and the ...
*Wednesday, September 2, 2015 by Hannah*

**Math (functions)**

If we have the function f(x) = (ax + b) / (cx + d) with a,b,c,d real numbers for which values of a,b,c,d is the following true f(f(x)) for all x I do a whole lot of algebra and get that that a,b,c,d must satisfy some conditions : c*(a+d) = 0 (d^2) - (a^2) = 0 -b *(a+b) = 0 ...
*Wednesday, September 2, 2015 by Anonymous*

**Algebra 2**

The Ferris wheel in the figure has a radius of 68 feet. The clearance between the wheel and the ground is 14 feet. The rectangular coordinate system shown has its origin on the ground directly below the center of the wheel. Use the coordinate system to write the equation of ...
*Wednesday, September 2, 2015 by alleykatt38*

**Math**

Express the number in words in the pakistani system 35946312789
*Wednesday, September 2, 2015 by Noor*