Questions Asked on
January 27, 2011

Chemistry
Many power plants produce energy by burning carbonbased fuels, which also produces CO2. CO2 is a greenhouse gas, so overproduction can have negative effects on the environment. Use enthalpy of formation data to calculate the number of moles of CO2 (g)
asked by Harold 
chemistry
A crystalline material containing 30 grams of barium chloride crystals was placed into an oven at 400 degrees c and heated for two hours. It was then cooled and weighed. the new mass was less than before it was heated, containing 20 grams if barium
asked by eric 
physics
A stationary 1.67 kg object is struck by a stick. The object experiences a horizontal force given b F = atbt^2, where t is the time in milliseconds from the instant the stick first contacts the object. If a = 1500 N/ms and b = 20N/ms^3, what is the speed
asked by sandhu 
Chemistry help please!!!
Experimental Procedure, Part F. A 1.0 mL volume of 0.010 M H2SO3 is added to a mixture of 12 drops of 0.01 M HIO3, 8 drops of deionized water, and 1 drop of starch solution. A color change in the reaction mixture occured in 40 seconds. a. Assuming 25
asked by john 
physics
What is the kinetic energy of a 20 kg dog that is running at a speed of 7.3 m/s (about 16 mi/h)?
asked by Shay 
math
Where does the graph of x2  x  2 = y cross the xaxis?
asked by Asher 
Chemistry
For a solution that is 0.20 M HCN(aq) with a Ka=4.9x10^10 a. calculate the [H+] b. calculate the [OH] c. what's the pH? Please show your work on how to solve it. Thank you
asked by Sharon 
geometry
the diagonals of a rectangle are 8 units long and intersect at a 60 degree angle. Find the dimensions of the rectangle?
asked by eddie 
Chemistry!
1. Write balanced equations for each of the following processes. a. Chromium 51, which targets the spleen and is used as a tracer in studies of red blood cells, decays by electron capture. b. Iodine131, used to treat hyperactive thyroid glands, decays by
asked by Sharon 
STUDY UNIT: MAIN IDEAS
Both Greta and Fred were on the bus that arrived in Pittsburgh. Fred was glad to be home. He looked forward to visiting with old friends. Greta, on the other hand, dreaded seeing her old boyfriend. She already missed her days in New York City. 2. What can
asked by shamso 
ap chemisrty
When heated, cyclopropane is converted to propene. Rate constants for this reaction at 470°C and 510°C are k = 1.10 104 s1 and k = 1.02 103 s1, respectively. Determine the activation energy, Ea, from these data.
asked by sandra 
Math
Two Boats left the harbour at the same time. One travelled at 10km/h on a bearing of N47°E. The other travelled at 8km/h on a bearing of N79°E. How far apart were the boats after 78 mins? Round the distance to the nearest tenth of a kilometer. Use
asked by helpisneeded 
physics
a hockey puck rebounds from a board. the puck is in contact with the board for 2.5 ms. dertermine the acceleration of the puck over the time interval. V(i) = 26 m/s...at angle of 22 degrees. V(f) = 21 m/s...at angle of 22 degrees. a=?
asked by ali 
Physics
A basketball is shot from an initial height of 2.4 m with an initial speed (v0 = 12 m/s) directed at an angle (35 degrees) above the horizontal. Additional information: Height of the basket is 3.05 m
asked by Kyo 
chemistry
Ammonia reacts with oxygen gas to form nitrogen monoxide and water. At constant temperture and pressure, how many of nitrogen monoxide can be made by the reaction of 800. ml of oxygen gas?
asked by jack 
chemistry
How much heat is associated with converting 100 g of steam at 112 degrees C to ice at 5.3 degrees C
asked by Josh 
Physics
Two blocks are arranged as shown. The pulley can be considered to be massless, and friction is negligible. M1 is four times more massive than M2. M1>0(Pulley) V V (down direction) V M2 If the system is released from rest, how far will M1 travel in 0.523
asked by Megan 
Chem
What would be the resulting molarity of a solution made by dissolving 21.9 grams of KCl in enough water to make an 869milliliter solution?
asked by Brittany 
physics
The max speed of a 3.1 kg mass attached to a spring is .68 m/s and the max force exerted on the mass is 11N. What is the amplitude of motion on the mass? What is the force constant of the spring? And what is the frequency of oscillation?
asked by fred 
math/science
If a fish can swim short distances at 48km/h, how long would the fish take to reach a smaller fish that is 3m away?
asked by bo 
physics 2
1)what potential differences must be applied across across a 1500 resistor in order that the resulting current be 50.mA?
asked by Raisalam Sultan 
Chemistry
The reaction of fluorine with ammonia produces dinitrogen tetrafluoride and hydrogen fluoride. 5 F2(g) + 2 NH3(g) N2F4(g) + 6 HF(g) (a) If you have 73.7 g NH3, how many grams of F2 are required for complete reaction? b) How many grams of NH3, are required
asked by Kelsey 
Elementary Math
What if we made a pattern by joining pentagons? If the length of each side of the pentagon is 1 unit, then what would be the perimeter of n pentagons joined together? Note: The perimeter is the distance around the outside of the figure.
asked by Lily 
Math
A pole vaulter cleared the bar at 490 cm. Convert 490 cm to meters using a unit multiplier
asked by Lizzie 
chemistry
he decomposition of nitrogen dioxide at a high temperature is second order in this reactant. NO2(g) NO(g) + 1/2 O2(g) The rate constant for this reaction is 3.40 L/mol·min. Determine the time needed for the concentration of NO2 to decrease from 2.30 mol/L
asked by sandra 
Chemistry
Calcium carbonate reacts with phosphoric acid to produce calcium phosphate, carbon dioxide, and water. 3 CaCO3(s) + 2 H3PO4(aq) Ca3(PO4)2(aq) + 3 CO2(g) + 3 H2O(l) How many grams of phosphoric acid react with excess calcium carbonate to produce 3.47 g
asked by Katie 
physics
A clump of soft clay is thrown horizontally from 30.63 m above the ground with a speed of 30.0 m/s. Where is the clay after 3.8 s? Assume it sticks in place when it hits the ground
asked by lala 
Physiology
Pure gold has a density of 19 g/ml. If you bought a gold ring and found it had a volume of 0.3 ml and it weighed 5.7 grams, is it real gold? Show me your calculation
asked by Jerome 
Chemistry
What will be the final temperature of the water in an insulated container as the result of passing 6.00g of steam at 100.0 degrees Celsius into 100.0g of water at 24.0 degrees Celsius?
asked by Jason 
Chemistry
what volume of 1.015mol/L magnesium hydroxide is needed to neutralize 40.0mL of 1.60mol/L hydrochloric acid. Can you work it out please? Thanks!
asked by paul 
Chemistry
Complete combustion of 7.70 g of a hydrocarbon produced 23.7 g of CO2 and 10.9 of H2O. What is the empirical formula of the hydrocarbon? I first calculated the moles of both the carbon dioxide and the water, but I have no idea where to go from there. Any
asked by Student 
Trig
The diameter of the wheels on your car (including the tires) is 25 inches. You are going to drive 305 miles today. Each of your wheels is going to turn by an angle of how many degrees.
asked by Anonymous 
Spanish
8. "Soy generoso" a. ¿De dónde eres? b. ¿Cómo eres? c. ¿Qué tal? d. ¿Cómo te llamas? B? 10. ¿Te gusta____? a. tampoco b. está c. nadar d. nada C? 11. El profesor ______, y el estudiante ________. a. termina las clase / empieza la clase b. enseña
asked by mysterychicken 
chemistry
What volume does a mixture of 14.2g of helium and 21.6g of hydrogen gas occupy at 28 degrees celcius and .985atm?
asked by jack 
12th grade chemistry
If the reaction below proceeds with a 96.8% yield, how many kilograms of CaSO4 are formed when 5.27 kg SO2 reacts with an excess of CaCO3 and O2? 2 CaCO3(s) + 2 SO2(g) + O2(g) 2 CaSO4(g) + 2 CO2(g)
asked by Matt 
history
a.Which statement about lynchings in the South in the 1890s is true? 1. Lynchings decreased compared to the Reconstruction era. 2. Leaders of lynch mobs tended to come from the wealthy ruling class. 3. Lynchings and acts of violence against blacks
asked by bre 
physics
An automobile weighing 15000n crashes into a wall with a velocity of 5m/sec. If the car moves .15m before coming to a stop, what average force does the car exert? on the wall?
asked by bird 
Chemistry
what volume of 1.015mol/L magnesium hydroxide is needed to neutralize 40.0mL of 1.60mol/L hydrochloric acid. Can you work it out please? Thanks!
asked by paul 
physics
A putting green is located 240ft horizontally and 64ft vertically from the tee. What must be the magnitude and direction of the initial velocity if a ball is to strike the green at this location after a time of 4 seconds?
asked by Jonathan 
physics
A car moving at 10m/s when it begins to be accelerated at 2.5m/s^2. (a)How long does the car take to reach a speed of 25m/s? (b) How far does it go during this period
asked by Ashley 
physics. need help fast
A 5kg bullet fired from a gun at 725m/s becomes embedded in a .50kg block of wood that is free to move along a surface and the coefficient of friction .355 between the surface and block of wood. find the distance it slides acroos the table.
asked by ricki 
Physiology
What is the volume of 0.23 kg of pure water?
asked by Jerome 
physics
The anchor shackle supports a cable force of 600 lb. If the pin has a diameter of 0.25 in., determine the average shear stress in the pin.
asked by Jazmin 
physics
A student presses a book between his hands, as the drawing indicates. The forces that he exerts on the front and back covers of the book are perpendicular to the book and are horizontal. The book weighs 30.0 N. The coefficient of static friction between
asked by brian 
Government high school
A G.P has 6 terms. If the 3rd and 4th terms are 28 and 56 respectively,find: (a) the first term (b) the sum of the G.P
asked by Olawale azeez 
Geography
explain how Western Europe's physical geography affects its climate, settlement patterns, culture, and economy. Can anyone give me a website link to go to for this information?
asked by Katy 
joe has a mass of 50 kg and sally has a madphysics
joe has a mass of 50 kg and sally has a mads of 30 kg. they sit in class with a separation of 0.5 meters. Find hhe gravitational attraction between joe and sally
asked by david 
Chemistry;
for a solution of the weak base, 0.075 M ethylamine C2H5NH2(aq), the hydroxide ion concentration (OH) is 6.6x10^3 M. Assume that temperature is constant and volumes are additive. a. Write the equilibrium dissociation equation. b. What's the pH of 0.075 M
asked by Sharon 
Algebra
Compute the value of the discriminant and give the number of real solutions to the quadratic equation. 2x^2+5x7=0 Discrimnant= number of real solutions=
asked by Jessica 
math
what is 0.775 rounded to nearest cent
asked by tee 
business
compare the organizational and procedural process needed to manage information in a small business and medium business and a large global business
asked by LaTasha 
history
a. Which statement about the Ku Klux Klan during Reconstruction is NOT true? 1. Southern governments never created policies that resulted in the arrest of members. 2. They attempted to stop blacks from using their right to vote. 3. Blacks and whites who
asked by bre 
chemistry
how can i make saturated CuSO4.5H2O saturated solution.Please tell temperature also?
asked by csrl 
chemistry
A solution is prepared by mixing 5.00 grams of compound Z (molar mass 15.00 g/mol) in 100.0 ml of water. The density of the solution is 1.09 g/ml. Calculate the molarity of the solution
asked by Angela 
algebra
a motorboat can maintain a constant speed of 11 miles per hour relative to the water. The boat makes a trip upstream to a certain point in 21 minutes; the return trip takes 1 minutes. That is the speed of the current?
asked by shelby 
U.S history
how did Wilsonian idealism turned the war into an ideological crusade that inspired fervor and overwhelmed dissent
asked by kenneth 
Physical science
A ball thrown upward reaches a height of 13m. How much time did it take to get to this height? How much time will take to fall to the ground?
asked by Ashley 
physics
A motorcycle, initially traveling at a speed of 14 m/s, slows down (decelerates) at a rate of 3.5 m/s2 for 2 s. How far does it travel during that time?
asked by Kristen 
Statistics
Given a mean of 60 and a standard divation of 7, what percentate of scores ae 73 or less? What is the formula for determining this value?
asked by Tom 
Chemistry
Please help me with these questions: 1. Consider the equation:2Na+ 2H2O>2NaOH +H2 If 92.0g of sodium is reacted with 76.0g of water until the reaction goes to completion, which reactant will remain and in what quantity? A: I know that H20 is the
asked by Sally 
math
please explain how to get the answer to this question. five students make the following guesses on the number of jelly beans in a jar: 72, 78, 68, 60 and 84. the guesses were off by 14, 2, 4, 6 and 10 (not in order). how many jelly beans are in the jar?
asked by kristin 
physical science
A system gives off 196 kJ of heat to the surroundings and the surroundings do 4.20 x 10³ kJ of work on the system. What is the change in internal energy of the system?
asked by joeneshea 
Algebra 1
I'm graphing linear inequalities...it says I need to do: y5 How do I do this?
asked by Rachel 
math
The masses of newborn children are normally distributed with a mean of 3.4 kg and a standard deviation of 0.8 kg. A newborn is at risk if the baby'd mass falls in the lowest 4%. These babies have a mass of less than ____?
asked by PLEASE HELP 
geometry
PLEASE HELP ME! i have this homework due tomorrow and i only have 1 question left and am sooo desperate for an answer: The diameter of the Dome of the Rock in Jerusalem is 20m. If it is plated with gold that is 5cm thick, find the cost of plating the dome
asked by CJ 
PreAlgebra Math
A bank teller is counting his money and notices that he has an equal number of tens and twenties. He also had $147 in other bills. If the total value of the bills he has is $1,167, how many tens and twenties does he have What would be the equation in
asked by Leah 
Education Psychology
Steve ponders a math problem that asks for the number of handshakes if six people at a meeting shake hands just once with each other. The problem then asks for the number of handshakes if there are n people. Steve arrives at the correct answers after a
asked by Rhonda 
Math
A refrigerated truck leaves a rest stop traveling at a steady rate of 56 mi/h. A car leaves the same rest stop 1/4 h later followinf rhe truck at a steady rate of 64 mi/h. How long after the truck leaves the rest stop wil the car overtake the truck. In
asked by Please help 
algebra
Suzies flower shop estimates that supplies cost for one month will be given by the polynomial 3x^2+7x3. She estimates the utilities costs for one month is given by 5x+2 Find and simplify an expression that would estimate suzie's total cost for one month.
asked by lisa 
geometry
francisco designed a triangular garden surrounded by three square gardens. the area of garden c (the largest garden) is 400 sq. ft. and the length of a side of garden b is 12 ft. find the lengths of all sides of the triangular gardens and find the areas of
asked by david 
chemistry
How many milliliters of 1.9 M HCl must be transfered from a reagent bottle to provide 24 g HCl for a reaction?
asked by kayla 
physics
what is the magnitude of the electric field produced by a charge of magnitude 8.00 uC at a distance of 1.00 m?
asked by courtney 
chemistry
f you have 150 milliliters of water and it freezes, how many grams of ice do you have?
asked by KelseiNatalie 
Calculus
Consider a car whose position, s, is given by the table (s) 0 0.2 0.4 0.6 0.8 1 (ft) 0 0.3 1.4 3.8 6.5 9.6 Find the average velocity over the interval 0
asked by Anonymous 
U.S history
Analyze Wilson’s attempt to forge a peace based on his Fourteen Points and explain why developments at home and abroad forced him to compromise.
asked by Asher 
English
How does the quotation A lie told often enough becomes the truth by Lenin relate to A Street Car Named Desire by Tennessee Williams and Death of a Salesman by Arthur Miller
asked by Mike 
physics
What is the resistance of 6.2mi of copper wire with a diameter of 0.57mm ? The answer is suppose to be in Kohm for the resistance i got 656.9 ohm but don't know how to convert it in to kohm
asked by Cassie 
algebra
The force of gravity is inversely proportional to the square of the center of the earth. if you weigh 120 lbs on the surface of the earth, how much would you weigh 250 miles above the surface? (Earth's radius = 4000 miles)
asked by scott 
Chemistry
Will Zinc react with Zn(NO3)2, Cu(NO3)2,Pb(NO3)2, Mg(NO3)2, AgNO3, Al(NO3)3, or Fe(NO3)3
asked by Jenn 
Organic Chem
What is the monomeric unit of a chain of molecules joined by peptide bonds? Answer:?? If anyone can help answer this question. Thank you.
asked by John 
Math
2/3q + 5 = 3/4
asked by Miley 
Chemistry 2
An aqueous solution has a vapor pressure of 81.1 at 50 . The vapor pressure of pure water at this temperature is 92.6. What is the concentration of in mass percent?
asked by Jesse 
chemistry
A student graphs the data from the experiment to determine how pH affects reaction rate and finds that the slope of a line through the data for pH = 7 is 5 seconds per absorbance unit. What has he/she done wrong?
asked by Billy 
Com 220
How does the author of “A Nation Apart” organize information to build his argument? He organizes the information by first presenting problems of China's economic issues. He then goes on to show you some statistics from his sources and quotes the
asked by David 
geometry
How do you solve r(raised to the third power)=288?
asked by Anonymous 
PHYSICS NEED HELP FAST
A 5kg bullet fired from a gun at 725m/s becomes embedded in a .50kg block of wood that is free to move along a surface and the coefficient of friction .355 between the surface and block of wood. find the distance it slides acroos the table.
asked by ricki 
Chemistry
An unknown element Q has two known isotopes: 61Q and 62Q. If the average atomic mass is 61.4 amu, what are the relative percentages of the isotopes?
asked by Sam 
UsHistory
"The individual can be free only when the power of one governmental branch is balanced by the other two" Baron de Montesquieu, 1735 This idea is best illustrated by which aspect of the US government?
asked by Anonymous 
U.S history
Describe America’s economic and military role in WW1
asked by kenneth 
physics
A 5kg bullet fired from a gun at 725m/s becomes embedded in a .50kg block of wood that is free to move along a surface and the coefficient of friction .355 between the surface and block of wood. find the distance it slides acroos the table.
asked by Anonymous 
Chemistry
To an initially evacuated 50.0L container maintained at 155C were added 3.20g of gaseous xenon and 4.00g of gaseous fluorine. A spark was used to initiate reaction between xenon and fluorine, and gaseous xenon hexafluoride was the sole reaction product.
asked by Angie 
math
Mr. Miller teaches a class with 15 boys and 5 girls. If he randomly chooses a student from the class, what is the probability that the student chosen is NOT a boy? A) .25 B) .33 C) .50 D) .75
asked by Asher 
Spanish
1. Me gusta hablar por teléfono. _______ a. Soy trabajador b. Soy callado c. Soy sociable d. Soy antipático C? 2. Jaun no es serio. Es ______. a. paciente b. atrevido c. gracioso d. prudente C? 3. Rosa es atrevida, no es ____. a. prudente b. callado c.
asked by mysterychicken 
ap physics
a man is on the ground level on a compressed spring. the man has a mass of 60kg and the spring is compressed 0.5 and has a spring constant of 500nm. a)what is the maximum height will the man achieve and the spring decompresses? B)find the velocity right
asked by Steph 
Chemistry
Given the reaction system; 2 NO (g) + O2 (g) > 2 NO2 (g) Write a brief explanation for each of the following statements in terms of the collision model and/or reactions mechanisms. (1)Increasing the concentration of NO (g)makes the reaction go faster.
asked by Michael 
Calc.
Evaluate the definite integral. S b= sqrt(Pi) a= 0 xcos(x^2)dx I'm not sure if this is right? u= x^2 du= 2xdx du/2= xdx S (1/2)cos(u) S (1/2)*sin(x^2) [0.5 * sin(sqrt(Pi))^2]  [0.5 * sin(0)^2] 0  0 = 0, so zero is the answer?
asked by CMM 
Statistics
Given a mean of 60 and a standard divation of 7, what proportion of scores is between 45 and 78? What is the formula for determining this proportion?
asked by Tom 
Chemistry
If each tablet of a dietary supplement contains ~20 mg of iron how many tablets should we analyze to provide ~.50g of Fe2O3?
asked by Courtney 
Math
Use factorization to simplify the given expression in part (a). Then find the indicated limit in part (b). (a) 3x3 + 9x2 + 9x + 3 x4 + x3 + x + 1 (b) lim x → −1 3x3 + 9x2 + 9x + 1 x4 + x3 + x + 1
asked by Arthur 
Algebra 1
Write an equation of the line containing the point and perpendicular (4,8);2x+5y=4. I still don't get it. I really appreciate your help.
asked by Esther 
trig
convert to degrees, minutes and seconds 3pi/2 radians can u plz help
asked by Cas 
Math
Rupert flew 3/16 of the way around the world but George flew 4/9 as far as Rupert. How far around the world did George Fly?
asked by Z 
Algebra
A theater group made appearances in two cities. The hotel charges before tax in the second city were $1,000 lower than in the first. The tax on the hotel bill was 5% in the first city and 4% in the second. After the trip, the total tax paid on
asked by Jessica 
Chemistry
If the mass of isolated Fe2O3 were .300 g, what is the average mass of iron per tablet?
asked by Courtney 
Precalc
How to solve for x: 2^(2x) + 2^(x) 12 = 0 Steps too I tried solving this but I ended with ln(12) / 2ln(2) + ln(2) but the real answer is supposed to be ln(3) / ln(2) or 1.585
asked by Amy 
spelling
brother:mother::fly:?
asked by catherine 
chem
a solution of A (molar mass 100g/mol) and B (molar mass 1.10 x 10^2 g/mol) is prepared by mixing equal masses of the two. Find the mole fractions of each component in solution
asked by Angela 
algebra 2
2X^49X^3+3X^2X5=0 Given that one root is 2+i, solve the equation. So far I have it set up like this: 2X^49X^3+3X^2X5/X^24X+5 I don't know how to get the answer, I know that I have to use long division but when I started to try it I kept getting
asked by Jessica 
7th grade math: Pythagorean Thereom
If the sum of the sides of a right triangle is 49 inches and the hypotenus is 41 inches, then what would be the other two sides?
asked by hollistergurl 
Math
8( b + 3) = 4b  4
asked by Spider 
English
I need a sentence with the word tree
asked by Akhona 
HELP
Calculate the change in energy when 665.0 g of CH3OH(g) completely reacts at a constant temperature of 300 K and constant pressure of 0.95 atm. R = 8.314 J/mol*K and R = 0.08206 atm*L/mol*K So i used the formula change in energy = change in H  nRT
asked by Chemistry 
algebra 2
2X^49X^3+13X^2X5=0 Given that one root is 2+i, solve the equation. So far I have it set up like this: 2X^49X^3+13X^2X5/X^24X+5 I don't know how to get the answer, I know that I have to use long division but when I started to try it I kept getting
asked by Jessica 
physics
a student does 314 J of work in moving a desk 2.1 m. What was the magnitude of the applied horizontal force?
asked by amber 
Math
2/3q + 5 = 3/4 I still do not know how to find the asner to do this
asked by Matherz 
finance
As you respond to this discussion question, think about the various ways you have purchased products and comment on the pro's and con's from your personal experiences.
asked by pooh 
math
my teacher gave me exam review booklets and there is something i don't understand.. the question is : Find the slope of a line that passes through the points (9,3) and (7,1). if someone can please explain to me how to solve this it would help majorly !
asked by HELP exam review ! 
Math
what is the GCF and the LCM fo 107555 could you please explain to me how to do this. Thank you
asked by Steve 
Algebra
Solve the system: 3xy+z=3 x+y+2z=0 5x+3y+2z=2 x= y= z=
asked by Joe 
MATH
The eaves of a roof sloping at 23° overhand the walls, the edge of the roof being 75 cm from the top of the wall. The top of the wall is 5.4 metres above the ground. What is the height above the ground of the edge of the roof, to the nearest centimeter?
asked by Rin 
algebra
a cube has a side length of 4x3, express its volume as a polynomial
asked by cory 
physics
A 1790kg car is traveling with a speed of 15.6 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 78.4 m?
asked by brian 
Spanish
18. ________ ¿tocas la guitarra? a. Miguel b. Juan y Carlos c. Felipe, Ana y Barbara d. Señora Carreras A? 19. Me gusta ir a las cuatro y _______ a. cuarto b. cuarta c. quinta d. séptima I don't really understand this one.. 22. ¿Qué quiere hacer ____
asked by mysterychicken 
Math
Find all real number solutions to (cubed root 3x8)1=0 If there is more than one solution, separate them with commas. If there is no solution, answer as "No solution."
asked by Hannah 
Geometry
The diagonal of a rectangle is 24 inches. The width is 15 inches. What is the area?
asked by Brandon 
Math Algebra 2
Evaluate p²  r² for p = 10, r = 4 and t = 5.
asked by Arkee 
RADICAL EQUATIONS
PLEASE HELP! I have the steps down and an answer..just need the correct one. 6/8 = 8/y  1/2 The LCM here is 8y, so I multiply on both sides by 8y. 8y times 6/8 = 8y times 8/y  8y times 1/2. After canceling out, I have 6y = 64  4y. Combine like terms. 2y
asked by AMY 
math
find the difference (6x^23x9)(2x^2+8x+3)
asked by Nick 
chemistry
how many grams of ethenol do i need to burn in excess oxygen in order to recover 5.0 g of h2o in a 75% yield
asked by david 
Math EASY
Say that I saw my mark in gym. I am at 83% right now. In the following last 2 days before the term ends, I get 3/5 and 5/5. What percent (grade) am I at right now?
asked by Monica 
Career Plans
Would geologist be a career itself? or is it know as geoscientist?
asked by Anonymous 
Spanish!!
Can You Check My Answers?? Questions:: 1.¿Qué enciendes cuando tienes calor? 2.¿Qué apagas cuando tienes frío? 3.¿Qué usas en tu cama cuando hace frío? 4.¿Dónde están las cosas muy frías en tu cocina? 5.¿Dónde está tu ropa? 6.¿Qué hay en
asked by NEEDS HELP!! 
Precalc
Solve for x log[1/3](x^(2) + x)  log[1/3] (x^(2)  x) = 1 Steps too please. so far I tried this and I got 3 = (x+1) / (x1) I asked this question before, but what would x= ?
asked by Amy 
Math
How do I figure out the GCF and the LCM of these three numbers 1055 and 45
asked by Jasper 
ecomerce business
A store specializing in collectible china and plates has decided to move into ebusiness. However, the store is unsure about how to get the word out about its new site and has hired your team to assist it. Brand and identity: What are the pluses and
asked by Linda 
Chemistry
The order is given for an injection of 120mg of x and 10mg of y. On the shelf you have 50mg/mL of x and 75mg/mL of y. what will be the total volume in your syringe?
asked by John 
Math
A 26 inch ribbon is cut into three pieces. One piece is 12 inches. The remaining two pieces must have one piece two inches longer than the other. How long is the shortest piece of ribbon?
asked by Iris 
Algebra 2
The PTO has raised $1800 to help pay for a trip. They ask that there be one adult for every five students attending. Adult tickets cost $45 and student tickets cost $3. If the group wants to take 50 students, how much will each student need to pay so the
asked by Julia` 
Help
Is there a website that will help me solve this? I can't find anything. I'm coming up with x=1/3 but I feel I'm doing it wrong. Find all real number solutions to (cubed root 3x8)1=0 If there is more than one solution, separate them with commas. If there
asked by Hannah 
gr.10 History
What were Robert Laird Borden's successes, failures and overall view of Canada? I know that he was the most successful Prime Minister,and I also know that he adopted conscription, and he was indispensable to the war effort. I don't know what his failures
asked by Rebecca 
Career Plans
Does this make sense? My Plan A is to do something with geology. I take deep interest in learning about Earth's structure and about the universe. Exploring and discovering solution connecting with earth would be very intersting. I would somewhat be able to
asked by Anonymous 
Bobpursely
Bobpursely would you mind looking at my physics post. Just provide me with the formulas.
asked by Anonymous 
Physics please help!!
A man with mass m =96.4 kg (weight = 212.1 lbs is walking towards a patio at 2.00 m/s (4.47 mph) when, at the last moment, he realizes the sliding glass door is closed. He puts out his hand suddenly to stop himself, and comes to a halt in 90.0ms. Find the
asked by Megan 
algebra
decide whether each trinomial is a perfect square. if so, factor it. x^2  4x + 4 how do i solve this?? i don't understand the method..
asked by brooke 
math
Where does the graph of x2  x  2 = y cross the xaxis?
asked by Asher 
PHYSICS NEED HELP FAST
someone swings down pendulem and rescue the lady in distress by grabbing her. inelastic collision at the equallibrium point o fthe pendulem. his mass is 90kg her mass is 50kg. what is the masimum height of the oppsite legde that he. he is standing on a 10m
asked by ricki 
math
Rectangle ABCD is 12 inches long and has a perimeter of 54 inches. Rectangle LMNO is similar to rectangle ABCD and is 2.4 feet long. What is the width of the rectangle LMNO?
asked by scott 
math
write an equation that represents the problem.The automatic tennis server holds 110 balls that shoot out one at a time.Andres 3 friends took turns hitting 27 balls each.Andre hit the remaining balls.How many balls did Andre hit?
asked by mike 
Math
write an equation of the line containing the given point and parallel to the given line (9,9); 3x5y=8
asked by Brittni 
math
1.Robin has a certain number of dimes in his pocket. If the dimes were pennies, he would have $1.08 less than he has now. How many dimes does he have in his pocket?
asked by kc 
Health
I need an example of a health fraud item/ product. I need to find one product that has health fraud and that I can write 150 words about. I tried searching on google but cant find anything/ don't know what to search. do you know of any products? thanks
asked by hannah 
PHYSICS NEED HELP FAST
A 5kg bullet fired from a gun at 725m/s becomes embedded in a .50kg block of wood that is free to move along a surface and the coefficient of friction .355 between the surface and block of wood. find the distance it slides acroos the table.
asked by ricki 
physics
A Corvette, initially traveling at a speed of 6 m/s, speeds up (accelerates) at a rate of 0.2 m/s2 for 3 s. How far does it travel during that time? I tried d=vi*t.2*t^2 but I did not get the correct answer
asked by Kristen 
French
Hi, all! I'm trying to right a small and simple paragraph in french. This is what I'm trying to say: Yesterday, I read an article "Skills and Accuracy in Criminal Profiling" by Richard N. Kocsis in English. I liked it a lot because law is my favourite
asked by Kat 
Anthro/Soci/Psych
What is "material pop culture"? I am supposed to write a question on my exam that explains how Canada has a culture through multiculturalism, social insitution and material pop culture thanks!
asked by Dawn 
math
a farmer needs to buy fencing to go around his garden. The garden is a 20 by 15 rectangle . How much fencing will he need?
asked by mo 
Biology
What is the relationship between an increase in light intensity and photosynthetic rate in leaves from a corn plant? How does this relationship compare with the tomato plants?
asked by Jessica 
biology
well i need to know why these equation equals 2Mol the equation is: 116g por litro es 2M and 11.6g en 100mL is 2M
asked by klariss 
Chemistry
What mass of 3.0 wt% H2O2 solution is required to provide a 25% excess of reagent for the following reaction with 12 dietary iron tablets that contain ~15 mg of iron per tablet?
asked by Courtney 
Algebra 1
a train leaves a city heading west and travels at 50 miles per hour. three hours later, a second train laeves from the same place and travels in the same directionat 65 per hour. how long will it take for the second train to overtake first train?
asked by Jasmine 
Calculus
Under what conditions for f'(x) and f''(x) can a graph be "straight" without being horizontal? (I'm learning critical points and points of inflection...) Thank You.
asked by Steven B. 
Math
7x = 33  4x
asked by Matherz 
Spanish (URGENT)
Habia una vez hay un conejo pequeno. El no estaba contento. Queria mirar como les otros animales. Cuando él vio Mr. Bushy Tail, la ardilla, él quise una cola que se parecio las ardillas. Entonces, él vio Mr. Porcupine y el quise (quills). Entonces él
asked by John 
math
given AB and AD are tangents of C, and the m
asked by Anonymous 
English
Can you please check if everything is correct? Thank you very much. 1) Hamlet wonders whether he should make a stand against his sea of troubles or leave things as they are. 2) He believes that both active and passive resistance is bound to meet failure.
asked by Franco 
Math
what is the square feet of a box with two sides of 2 2/3 x 2 2/3 each?
asked by Josh 
English
Can someone explain to me the following answer: swan cow spider mice Why doesn't the mice belong here?
asked by marky 
English
Which is correct? You should never believe ( these kind, these kinds ) of stories. Think the correct answer is ( these kinds)
asked by Brett 
Adult College
Discuss generally the role of planning in each of the three levels of positive behavior support (PBS).
asked by Tara 
physics
A 49kg bungee jumper has fallen far enough that her bungee cord is beginning to stretch and resist her downward motion. Find the force (magnitude and direction) exerted on her by the bungee cord at an instant when her downward acceleration has a magnitude
asked by brian 
Algebra 2
my roots are (1+isq.root2)(1isq.root2) I then used long division: X^44X^3+4X^29/X^2X4 I got the answer X^28X+32 with a remander of 119. Where did I go wrong?
asked by Jessica 
algebra
what is 2z^2
asked by kelly 
adult education
Why does the chosen developmental theorist appeal to you? Relate the chosen theory to a recent or upcoming developmental stage or phase in your own life.
asked by leah 
Geometry
The area of a circle is 72pi. What is the circumference?
asked by Brandon 
Career Plans
Would doctor be a career? Like what does it mean specifically by careers? Does it mean jobs?
asked by Anonymous 
English
Hello! What could I do as a lead in activity with two 5th graders? We have a 45 minute lesson tomorrow and I want to break the ice with a funny game. The topic is not important. Does anyone have something that lasts for 10 minutes?
asked by tee 
10th grade Chemistry
Will Na2CrO4 react exactly the same as Na2CrO7 when mixed with Pb(NO3)2
asked by Jenn 
Chemistry
All the noble gases except helium crystallize with fcc structures. Derive an equation relating the atomic radius to the density of an fcc solid of given molecular weight and apply it to deduce the atomic radii of the noble gases.
asked by Anonymous 
Precalc
Solve for x log[1/3](x^(2) + x)  log[1/3] (x^(2)  x) = 1 Steps too please. so far I tried this and I got 3 = (x+1) / (x1)
asked by Amy 
English
Can you please check these sentences about Hamlet? Thank you. 1) Hamlet wonders whether he should make a stand against his sea of troubles or leave things as they are. 2) He believes that both active and passive resistance is bound to meet failure. 3)
asked by Franco 
Chemistry
Ok this is my last hope, I totally don't get this question. Suppose you have one beaker of H2O at a certain mass and temperature and another beaker of H2O at a different mass and temperature. You then pour these two beakers into one separate beaker. How do
asked by John 
English
I forgot to include the following sentences. Can you check them please? Thank you 1) The medieval perspective of death, which saw death as a liberation from the prison of the body is countered by the Renaissance one, which was doubtful about (?) the
asked by Franco 
English
How does this quotation  Man's best possession is a sympathetic wife  by Euripides (484 BC  406 BC), Antigone relate to A Street Car Named Desire by Tennessee Williams and Death of a Salesman by Arthur Miller
asked by Mike 
physics, I'm stuck
In an aortic aneurysm, a bulge forms where the walls of the aorta are weakened. If blood flowing through the aorta (radius 1.0 cm) enters an aneurysm with a radius of 2.5 cm, how much on average is the blood pressure higher inside the aneurysm than the
asked by trace 
algebra
what is the inverse ƒ(x) = x2  9
asked by Asher 
algebra
polynominal An appliance company sells x machines total revenue R in dollars, given by polynominal R=221.19x0.2x^2. What is revenue from sale of 273 machines. I do not know what I am suppose to multiply first. Please help.
asked by Shirley 
PHYSICS NEED HELP FAST
someone spinns with an angular velocity of 4.55rad/s with arms held out. his rotational inertia is 2.7kgm^2. whn the he pulls his arms in his angular velocity increases to 7.60rad/s. what is his rotary ek?
asked by ricki 
business
What are the advantages of an organization existing as a single business entity?
asked by april 
math
1.Robin has a certain number of dimes in his pocket. If the dimes were pennies, he would have $1.08 less than he has now. How many dimes does he have in his pocket?
asked by kc 
englishPlease help me!!!
"Most Americans would follow a thinker rather than become one themselves." Please help me explain that sentence, and also give me examples!!!who is a thinker?? in what situation do they follow the thinker, and why????
asked by Vivian 
Algebra 1
In 1920 the record for a certain race was 45.1 sec. In 1960, it was 44.3 sec Let R(t)the records in the race(t)=the numbeer of years since 1920. Thank you for your help.
asked by Esther 
5th math
what is the average number of hot dogs sold? 12,12,13,17,21,22,22,22,22,30,32,37. please! show me this how to solve this problem? my last question for today.thank you very much without your help . it;s impossible to understand this problem.
asked by pat 
5th math
Mr. davison has 30 students in his class . He has four more girls than boys. How many boys are in Mr. Davision class? can you please check my answer? I got 11 boys . does it sound about right ?
asked by pat 
PHYSICS NEED HELP FAST
A 5kg bullet fired from a gun at 725m/s becomes embedded in a .50kg block of wood that is free to move along a surface and the coefficient of friction .355 between the surface and block of wood. find the distance it slides acroos the table
asked by ricki 
Graduation Requirements
in order to meet graduation requirements a student must demonstrate all of these traits except for.. being able to pass a physical test having sound nutritional habits understanding emotional health management making postive health choices Would it be
asked by Anonymous 
5th math
how do you divide 302 by 33,593? how do you divide 67 by 48,384? show me step by step pleae! if you can?
asked by pat 
Math
A manufacturer can produce 8,500 units for a total profit of 47,600.00 dollars, but if he increases his production to 11,500 units, then his profit becomes $65,600.00. It follows that his fixed cost is? and his net profit per unit produced is?
asked by Mark 
Chemistry
I'm sorry I'm just really confused by ionization energies and the heat of formation. Could you explain how to set up this problem? Use the data (kJ) for ionization energies, electron affinities and heats of formation to find the lattice energy of Fe3O2(s)
asked by Marissa 
math
32x+4=21
asked by carl 
math
how many 16 and 15 in 319?
asked by ryan 
Gym
how do you get 24 by using numbers 112 by going up,down,and diagonal and by using addition
asked by Caitlin 
Math
Imagine you are in the market for a new home and are interested in a new housing community under construction in a different city. The sales representative informs you that there are 56 houses for sale with two floor plans still available. Use x to
asked by Anonymous 
chemistry
when should the temperature be recorded for an experiment in order to determine the boiling point?
asked by Zeenat 
LEARNING SKILLS
Suppose you're just beginning to study the information in your third shipment of material. When can you expect the next shipment to be sent? A. When you submit a certain number of examinations in your current shipment B. When you call DIALAQUESTION® and
asked by Anonymous 
physics
Explain why the occupants in a running car observe objects on the roadside as though they are running backwards.
asked by Kate 
biology
1What are the various types of blood cells seen circulating within the body and how are they distinguished from each other? What impact do they have on the immune system.
asked by Anonymous 
ART
i need to describe my public identity by drawing. can you please give me some ideas? please? i want to know your public identity so that i understand mine. i don't know anything ... but is it ok if i say, i catch the bus to school everyday and i like
asked by Trace 
com170
I believe this paragraph below is a Analysis I have to pick between summary,analysis, synthesis, and evaluation can you tell me if i am right and if not which one and why? 1. Alice Doe’s article discussed overlooked tax deductions. It talked about some
asked by angela 
Algebra
Find the midpoint M of the line segment joining the points C = (4,5) and D = (2,1). I got (1,3) can you check me? Thanks
asked by Jessica 
Paralegal
Been reading on to contracts. What is the simplest way to do it without any complications but still understandable to read or process?
asked by Anonymous 
Reference Letter
Hey Im trying to write a Reference letter, and Im kind of having trouble starting off. I have to imagine myself as an adult who knows me as a student.Then I have to create a made up letter of reference for myself based on what I hope someone would honestly
asked by Jenny 
math
A manufacturer can produce 8,500 units for a total profit of 47,600.00 dollars, but if he increases his production to 11,500 units, then his profit becomes $65,600.00. fixed cost is? net profit per unit produced is?
asked by Mark 
Algebra 2
Can you please help me simplify this problem? It probably is an easy problem but I do not understand the way my teacher taught it. 1/ [1+(1/ x2)]
asked by Aura 
math
a school production ended at 8:06 p.m. the production lasted 1 hour 32 minutes.at what time did the production begin?
asked by shakayla 
MATH
STATE THE SLOPE AND YINTERCEPT OF THE EQUATION 5X2Y=10
asked by S 
English
Which is correct? You should never believe ( these kind, these kinds ) of stories. Think the correct answer is ( these kinds)
asked by Brett 
math
3.4 + (5x1.7) for x=2.2
asked by Jace 
MATH
A dartboard has the numbers 3, 6, 9, 12, 15, 19, 21, 25, 27, and 30 on it. What is the fewest number of darts that could be thrown if two darts tcannot land on the same number and if the sum of the scores must be 50?
asked by Diana 
Career Plans
What are some career plans to do with science? I really enjoy chemistry and geology. What are some career plans to do with English? Socials? I like math, but I don't like precalculus, I can do some bits of algebra, what does a civil engineer need?
asked by Anonymous 
science
how do hydrogen bonds relate to the transfer off heat from the equator towards the poles of earth
asked by lulu 
lit
i need chapter summaries of the book The Quiet American by graham greene
asked by bill 
trig
simplify (3x^25x+4)(5x^2+7x7)
asked by j. 
Hinduism
What are the seven definitions of Hinduism according to the Indian government. The text is confusing
asked by SueAnn 
Science
Calculate the change in temperature with respect to height for the following, Height (KM) MidLattitude Temp (C) 0 15 11 56 16 56
asked by Linda 
Adult College
Describe two planning processes typically used in programs for children, youth, and families.
asked by Tara 
5th grade math
i need help with fraction 3/53/15= ? PLEASE SHOW ME HOW TO DO THIS PROBLEM,THANKS!!
asked by pat 
world literture
How do the villagers respond to the spider girl? What do you think their response symbolizes  how does it relate to the rest of the story?
asked by tika 
Math correct or not
9y + 13 < 14 answer: y < 3?
asked by Spider 
research
What is the most controllable method of increasing the precision of or narrowing the confidence interval
asked by Anonymous 
science
A baseball player throws a ball vertical upwards describe this motion of ball in words
asked by Anonymous 
computers
When you press the power button on your computer, it doesn’t turn on. There is nothing…silence…absolute zero. There are no beeps, no whistles, nothing. The monitor is getting power and the power strip is turned on. 1.Draw a diagram of the wiring
asked by bob 
algebra
I need help solving and graphing the equation. y= 7+3
asked by Mara 
Algebra
I am to find the equation of the axis of symmetry and the coordinate of the vertex of the graph of each function. I don't undertand y=2x^2+4
asked by Bart 
physics
how much energy was released by a 60 kg cannon shooting an 8 kg projectile horizontally at 50m/s?
asked by michael 
U.S history
Describe America’s economic and military role in the war
asked by kenneth 
physics
in 35s, sam lifts his 8 kg case from the floor to .8m above the ground (in his arms) carries it 24m across the room(at the same height), and puts it on a conveyor belt 1.8 m above the floor. at this point, the machine raises the bag 13 more meters in a
asked by jessie 
Chemistry
It says to perform the following calculations and express your answers in the correct units and number of significant figures. 2.8g/6.86 times 10^3 l 45.68g +3.8 g 1423 mL  40mL
asked by Tangerine 
chemistry
f you have 150 milliliters of water and it freezes, how many grams of ice do you have?
asked by KelseiNatalie 
English
How many adjectives are in this sentence? That glossy, red apple rolled out of the grocery bag and across the smooth table.
asked by Catherine 
Maths
1/3[22(x8)+1=19.Show working
asked by Anonymous 1 
Costs and Awards
Find two programs that interest you at Education Planner and complete the chart below for each program. Hint: After searching for your programs (in the search engine at the top of the webpage), under the Planning Information section on the left side of the
asked by *Karley*<3 
MAth
Find the critical numbers, increasing intervals, xvalues where f has an inflection point, and where the graph is concave down from the equation f(x)=2x^43x^310x^2+20
asked by Tyler 
college algebra
what is the sum 1500sqrt(2)+1450
asked by felicia 
English
I know this because, a student told me that the whole class likes working in pairs or groups. Is this sentence correct or should it have this ; after because
asked by Mm 
Chemistry
a container holds 0.450 qt of liquid. How many milliliters of lemonade will it hold?
asked by JOhn 
mass to grams
A hummingbird has a mass of 5.90×10−3 {\rm kg}. What is the mass of the hummingbird in grams?
asked by Anonymous 
Spanish
What is the answer to the question in Spanish Para ti tiene que cocinar la langosta con mucha mantequilla?
asked by Harmony 
english
What is the main idea of the shepards daughter
asked by Anonymous 
Exponents
x^(2) = 9 solve for x Steps too I first squared the x on both sides and I was left with x^(1) = 3,3 but then what would the answer be for x? the answer is supposed to be 1/3, 1/3 but I don't know why
asked by Amy 
algebra
write each square as a trinomial: (11t^2  2)^2 (22t^4 + 44 + 4)
asked by brooke 
Calc.
Evaluate the indefinite integral. Please check my work? Not sure if I am doing this correctly. S= integral symbol S x^3*sqrt(x^2 + 1) dx u = x^2+1 x^2= u  1 du = 2xdx du/2 = xdx 1/2 S x^2 * x sqrt (x^2 + 1) du 1/2 S (u  1) * sqrt (u) du multiply square
asked by CMM 
history
how do religions having common geographical origins tend to share somewhat common codes of behavior and view of the nature and reason for existence?
asked by jamie 
Pyschology
Provide an example of how one domain of development affect or impact the other two domains
asked by Starlin 
english
Is it selfmonitor or self monitor
asked by Mm 
Algebra
can someone show me how or explain to me how to get the slope of 2x +3y=7
asked by Tracie 
algebra
write an inequity in terms of x for no less than $8,000 and no more than $12,000
asked by Leina'ala 
MATH
10*9*8*7*6*5*4*3*2*1 = 10! Can this be true?! Why or why not? Im totally confused with this. Miley would like your help, please and thank you
asked by Miley Cyrus<33> 
math 9 helppp
concert tickets are for sale online. there is a handline fee of $3.50 added to the cost of every tickets. if you uy 7 tickets and the total comes to $385 what is the cost of one ticket before the handling fee is added? the answer is $51.50 but i got 51 i
asked by lee 
English
In what way does Roger Ebert do his criteria in Harry Potter and the Sorcerer’s Stone? I know that an effective evaluation is that the writer explains the criteria on which he or she bases the evaluation. In what ways does ROGER EBERT do this?
asked by Fellon 
Algebra B
x4/x+3 = x1/x+2 Solve the equation for x. Thank you
asked by Nancy 
enginireiring
How fast can a Farrari FXX go?
asked by alex 
Math
2 mi.x _ = _ ft.?
asked by Isaiah 
Chemistry
8.76g of aluminum sulphide is added to 0.0350L of 0.250mol/L lead(II)nitrate solution. calculate the maximum mass of precipitate, PbS that can form
asked by paul 
engineering
How fast can a Farrari FXX go?
asked by alex 
Algebra
Solve for w. 8(3/w+1)=(7/w+2)
asked by Jennifer 
MATH
HOW MANY 1FT TILES ARE NEEDED TO COVER A 15FT BY 25 FT PATIO
asked by CLEO 
chemistry
convert 4.37 moles of NaOH to grams.
asked by Amanda 
Human Geography
I have to make a list of five different names of settlements, rivers, hills, subdivisions, or any other features in the landscape of my home region which I have done: Frenchman Bay, Altona Road, Petticoat Creek, Rouge Valley and Liverpool next I have to
asked by toponymy 
Math help once again
y = log x If y = 10, then what is x? How do I figure this one out? Miley is confused.
asked by Miley Cyrus<33> 
Photography
Suppose you have three negatives: an overexposed one, an under exposed one, and a correctly exposed one. Which would require the longest exposure during contact printing?
asked by Emily 
math
hey, this is my first time using this site so I'm not sure what I'm doing exactly! So i need a REALLY simple way how to convert fractions into a percent! i be confused!! :(
asked by Emily 
Anthro/Soci/Psych
I also have to write a question for my exam on "is it appropirate for social sciences to use the word 'abnormal' with mental illnesses. Explain" I just need help with comming up with points i was going to say no becauae it is just like any other illness
asked by Dawn 
probability and statistics.
So here I am trying to do my prob/stat homework and I keep coming across this word that I don't understand. The word is "inferior". My book has no glossary and I cannot find a definition that makes sense.Can somebody help me understand?
asked by penny lane 
Precalc
2^(x) = 0 what should x be to get 0?
asked by Amy 
arithmetic
can you show me how to do 5/6 x 4
asked by don 
algebra 2
2X^49X^3+3X^2X5=0 Given that one root is 2+i, solve the equation. So far I have it set up like this: 2X^49X^3+3X^2X5/X^24X+5 I don't know how to get the answer, I know that I have to use long division but when I started to try it I kept getting
asked by Jessica 
8th Grade Math
I have an input output table, but I can't figure out the rule. Input: 1, 2, 5, 7, 10 Output:5, 15,?, ?, ?
asked by Robin 
math
what is the percent of 3 over 8?
asked by Jnm 
Algebra
Is there anybody out there that can give me the answer to this problem I have tried but I can't get it. I really need to turn in my work. Thank you (4,8); 2x+5y=4
asked by Esther