A 50/50 blend of engine coolant and water (by volume) is usually used in an automobile\'s engine cooling system. If your car\'s cooling system holds 4.00 gallons, what is the boiling point of the solution?
83,914 results, page 86

algebra 1
Solve the following system of linear equation using any algebraic method. 2x+5y=3 X3y=7 
algebra 1
Solve the following system of linear equation using any algebraic method. 2x+5y=3 X3y=7 
algebra 1
Solve the following system of linear equation using any algebraic method. 2x+5y=3 X3y=7 
Physics
If 9.30 x 10^5 J of energy are transferred to 2.00kg of ice at 0 deg C, what is the final temperature of the system? 
Physics
If 9.30 x 10^5 J of energy are transferred to 2.00kg of ice at 0 deg C, what is the final temperature of the system? 
Science
Which planet has the strongest winds in the solar system and the Great Dark Spot? 
algebra
without graphing is each system independent, dependent, or consistent? x3y=0 xy=4 please someone help me 
algebra
which matrix represents the system of equations below. 2x7y=3 7x6y=12 not sure how to figure this out. 
algebra
Express the system as an augmented matrix and solve using Gaussian elimination. x=+2y+z=3 2y+3z =2 x+2z = 1 
algebra
Solve the system of equations by first expressing it in matrix form as and then evaluating. a). 3x2y=5 4xy =10 b). 3x 2y =2 4x y = 3 
sociology cultural
Compare and contrast the kinship and marriage system of the Kaluli and the Minangkabau. 
Algebra
Using the substitution method, what is the value of a in the solution to the system of equations below? a=3b+7 4a+9b=70 
Math
Solve the following system of equations using the cross multiplication method,ax+by=ab;bxay=a+b 
U.S. Government and Politics
Can anyone help me on this question?? Describe how our Federalist system works in America. /:) 
Chemistry
What is the change in internal energy of a system that does 7.02 kj of work and absorbs 888 j of heat? 
history
the firdst fully developed american factory system emerged in the what industry 
science help!!!
Explain how your respiratory system could help guard your body against pathogens that are in the air. 
Math 2 questions
Use the substitution method to solve each linear system: x+3y+1=0 3xy+1=0 4x3y=13 2x+y=4 Please help, thanks:):)!!!! 
Algebra
What is the solution of the linearquadratic system of equations? {y = x^2 + 5x  3 {y  x = 2 So confused about how to do this any help is appreciated. 
math
Which quadrant does the solution of the system fail? x+y=4 2xy=2 Please help I don't know what to do. I don't what the answer, just want to be guided to it! Thank you (: 
Civics
What role do precedents play in our legal system? Help would be appreciated!! :) 
Math
I'm struggling with system applications word problems. Can some please explain on how to do it? Thanks 
Algebra 1 Answer Check (Reiny)
Factor each trinomial. 1. x^2 + 6x + 5 A: (x + 1)(x +5) 2. x^2  7x  12 A: (x  3)(x  4) Solve each system by substitution. 3. 2x  y = 1; x  y = 2 A: (3, 5) 
Physical Science
The entropy of an isolated system always do what when natural processes occur? 
american history
under America's second party system, the whigs stood for? 
Physics
The maximum kinetic energy of a massspring system in SHM is equal to 
MATH
Which of the following ordered pairs represents the solution to the system of equations below? 3x+2y=2 7x3y=7 [8.EE.8.b] A. (2, 4) B. (4, 7) C. (7, 14) D. (8, 13) 
anatomy
How does coronary artery disease affect normal homeostasis of the cardiovascular system 
science
How does coronary artery disease affect normal homeostasis of the cardiovascular system 
Anatomy
How does coronary artery disease affect the normal homeostasis of the cardiovascular system 
Statistics
How would I solve each system by substitution? I know basically what to do, but I keep getting stuck. Thanks! 1)x=2y 3x2y=1 2)2x+3y=1 x=y13 
Analytical CHM 300
which rating system gives the analyst the most information? 
Economics
The key feature of a market system is A. competition. B. profit. C. demand. D. supply. 
Algebra 2
solve each system of equation 3x+5y+2z=4 2x2y+3z=4 x+y+z=0 *could you show work because I want to learn how you got this answer 
college algebra
hw to solve equation in the real number system, x^4 +12x^3 +10x^29x+9x+22=0 
college algebra
how to solve equation in the real number system, x^4 +12x^3 +10x^29x+9x+22=0 
law
Are the juvenile courts doing enough to change the treatment of juveniles in the justice system? 
Algebra 2
Solve Quadratic System x^2+y^2=2 x^26y=10 Please SHOW WORK I'm having trouble 
math
Determine if each system has one, two, or no solutions. (Show your work  3 marks each) a)y=2x^22x+1 and y=3x5 b)y=x^2+3x16 and y=x^28x18 
math
Determine if each system has one, two, or no solutions. (Show your work  3 marks each) a)y=2x^22x+1 and y=3x5 b)y=x^2+3x16 and y=x^28x18 
Anthropology
Where, if any, would you find a working kinship system within the United State 
help last one asap ss
In 3–5 sentences, describe the apportionment system for state legislative districts. 
Algebra
Need help solving the system of inequalities and equations graphically for this problem. Please help! 6y=9(x6) 3(2y+5x)=6 
law
what are some examples of successful or unsuccessful criminal justice system services 
Political Science
Does the representation system in the U.S. Senate still make sense today? Why or why not? 
american history
How did the spoils system affect politics during the Gilded Age? 
chemistry
Raising the temperature of a reacting system increases the rate of the reaction, but does NOT increase the: 
Math
Solve the following system of equations using substitution. What is the value of y? 2x+3y=105 x+2y=65 a. 15 b. 25 c. 40*** d. 65 
Math
Solve the following system of equations using substitution. What is the value of Y? 2x+3y=105 x+2y=65 A. 15 B. 25 C. 40 D. 65 
Socialsl studies
Who created a caste system that separated Indians into groups? 
Algebra
2. What is the value of x in the solution to the system of equations below? 15x – 12y = 13 30x + 9y = 4 
Health
The functional unit of the nervous system is.. A. The Neuron B. The Brain*** C. A reflex D. The cerebrum 
Mathematics
Does the figure of a star have rotational system? if it does find the angle of rotation? 
science
write down the possible terms of one electron system corresponding to n=2 
Geometry
Find the points of intersection of the line X+Y=5, and the circle x^2+y^2=25 by solving the system of equations. 
Math(HELP PLEASE )
solve the system. x=2y and 3x+3y=6 parallel coincident 4,2 1,1 I chose the last one and its incorrect 
Physics
An object of area 15sqcm and height 2 cm has a mass of 50g. what is its density in SI system 
math
solve the system of equations algebraically for real values of x and y { x+y=16 x^2+y^2=128 a. (6,6) b. (8,6) c. (9,8) d. (8,8) e. no solution 
science
which of the following is an example of a model? a. The solar system b. a globe c. a planet d. a padlock Thanks! 
maths(Quantitative Method)
Write the augmented matrix corresponding to the system of equation. 2a3b+c=1 a+b4c=3 3ab=2 
Gaussian Elimination Method
Write the system of equations as an augmented matrix. Then solve for x and y. 5x4y=12 5x+3y=9 
precalculus
Which of the following shows an inconsistent system of equations? ________________________________________ 4x  2y = 10 ; y = 2x  5 3x + 2y = 1 ; 2x  3y = 1 2x + y = 2 ; y = 2x  2 3x + 4y = 5 ; 6x + 8y = 10 Is 4x2y=10 y=2x5 the correct answer? 
GaussJordan elimination
Write the system of equations as an augmented matrix. Then solve for x and y. 3x+3y=21 3x+2y=4 
Math
Can someone please help me with my open needed question Solve the system by substitution Xyz= 8 4+4y+5z =7 2X+2z= 4 
natural science/bio
flow diagram of circulatory and respiratory system combined 
Algebra
How many solutions does the system of equations have? x=4y+4 and 2x+8y=8 A. one B. two C. infinitely many D. none 
biology
describe the pathway of blood through the prts of the earthworms circulatory system 
History
How did the system (unitary government) help Qin Shi Huang control the country? 
geography
what will be a good hook for an essay about ancient india and the caste system? help 
Health
2. Which main body system is responsible for breaking down food for energy? 
Math
Which statement justified the given ordered pair as a solution to the system of equations (1, 13), (y=3x10), (y=2x15) 
math
which matrix represents the system of equations below 12x13y+13z=15 
Math help again!
Solve each system of inequality by graphing 17)y>x+5 y<3x4 Can someone help me on this i just don't understand it that well 
holy school
H2 S + HNO3 > NO + H2 O + S 150 g of hydrogen sulfide are dissolved in 3500 mL of water. a. What is the molarity of the hydrogen sulfide solution? b. How many grams of sulfur can be produced from 50 mL of this solution? c. 22.4 L of nitrogen monoxide gas are ... 
physics
Water at 29.0 °C is sprayed onto 0.188 kg of molten gold at 1063 °C (its melting point). The water boils away, forming steam at 100.0 °C and leaving solid gold at 1063 °C. What is the minimum mass of water that must be used? 
Organic chemistry
Limone (MW 136g/mol) is a pleasant smelling liquid found in lemon and orange peels. The boiling point of limonene is 175 ˚C, but it codistills with water at 97.5 ˚C. If the vapour pressure of water at 97.5˚C is 690 mmHg, what percent (by mass) of the steam... 
math
The life of automobile voltage regulators has an exponential distribution with a mean life of six years. You purchase an automobile that is six years old, with a working voltage regulator and plan to own it for three years. a)What is the probability that the voltage regulator ... 
Physical Science (H)
A container of milk holds 3640 g of milk. The density of the milk is 1.02 g/mL. What is the volume of the milk in the container? 
Chemistry
The air in a cylinder of a diesel engine occupies 1.00 L at 30 degrees celsius and 1.00 atm. What is the pressure in the cylinder when the air is compressed to 0.0714 L (14:1 compression ratio) and heats to 480 degrees celsius? When the fuel explodes in the compression chamber... 
Chemistry
Calculate the heat capacity of a sample of radiator coolant if a temperature rise from 5 to 107℃ requires 932 J of heat. My work: c=q/mΔT c=932J/(?)(107℃5℃) 
science
How much hot air in SCFM is needed to heat up water from 60F to boiling point. The hot air is 350F. 
chemistry
For a 0.50 molal solution of sucrose in water, calculate the freezing point and the boiling point of the solution. Please list each step.? 
maths
Help me and show rough work please . First question:A cup holds 150 millilitres. How many cups of tea can be poured from a full teapot which holds 1.5 litres? 2. Put in order of size, smallest first: 2.2, 2.22, 2.199 3. Mom bought two pillows and paid with a €20 note. If ... 
Chemistry
You are asked to prepare a temperature bath that freezes at 25 degrees C, using only water and ammonium sulfate. a. How many grams of ammonium sulfate would you need to prepare this bath if you start with 500 grams of water? b. What would the boiling point (degrees C) of this... 
accounting
A company that uses perpetual inventory system made the following cash purchases and sales: January 1 Purchased 100 units at $10 per unit. February 5: Purchased 60 units at $12 per unit. March 16: Sold 40 units for $16 per unit. Prepare general journal entries to reord the ... 
science
suppose your mom is boiling water near the window where did the mist came from and why was tehre mist on the window 
physics
A car traveling 30 k/h suddenly speeds up to 60k/h.What can you conclude from this information? (A) There was a change in the potential energy of the car. (B) No work ( in its scientific meaning) was done on the car. (C)The car will take four times longer to come to a complete... 
Chemistry
Concentration 15.8 mg/L Final Volume 100.0 mL What is the concentration of phosphate in the original lake water sample if the unknown lake water sample in the option has been diluted by taking 25.0 mL of lake water and diluting it to the indicated final volume? •Chemistry  ... 
physics
A pendulum is formed of a particle of mass 100g suspended from the end of an inextensible string of negligible mass and of length L=100cm. The pendulum is shifted by an angle of 60 degrees from its equilibrium position about a horizontal axis passing through the other end of ... 
physics
A pendulum is formed of a particle of mass 100g suspended from the end of an inextensible string of negligible mass and of length L=100cm. The pendulum is shifted by an angle of 60 degrees from its equilibrium position about a horizontal axis passing through the other end of ... 
science
Fill in the blank... The amount of volume an object displaces in water is _____(less than/equal to/grater than) the volume of the object. please help cazz im going to have a test tommorrow about this ;) 
math
An 80% acid solution is to be mixed with a 30% solution to get 90 gallons of a 50% solution. How many gallons of each solution are needed? 
physics
A car, mass  1950 kg, accelerates at +2.33 m/s (squared). Find the magnitude of the normal force acting on the car. If later, when the car is cruising at 26.5 m/s, the driver applies a force of magnitude 10,000 N to stop the car. What is the distance it takes for the car to ... 
math
Sam bought a new car for $26,500. The car depreciates approximately 13% of its value each year. A) What is the decay factor for the value of this car? b) Write an equation to model the decay value of this car? c) What will the value of the car be in 10 years? 
physics
in an emergency stop to avoid an accident, a shoulderstrap seat belt holds a 60kg passengr firmly in place. if the car was initially travelling at 90km/h and came to a stop in 4.5s along a straight, level road, what was the average force applied to the passenger by the seat ... 
physics
Force, Work, and Rotation Question? Please Help!? You are sitting on a stool that is free to rotate without friction, and you are holding a 2.0 kg weight in each hand (ignore friction and all forces external to you + weights system). Also ignore your own moment of inertia (... 
Chemistry
Please help me answer this question; The goal of the recrystallization procedure is to obtain purified material with a maximized recovery. For each of the following, explain why this goal would be adversely affected. a) In the solution step, an unnecessarily large volume of ... 
Physics
The relative density of mercury is 13.6. Find the ratio of the mass of mercury of a certain volume to that of water having tem times the volume of mercury 
science
which of the following would decrease the human ecological footprint? 1) using bottled water instead of tap water 2) using public transportation instead of riding in a car 3) buying books instead of borrowing from the library 4) using hot water instead of cold to wash clothing... 
Maths: A Cup of Coffee Anyone??? :)
Hey Guys, It's that time of the term again when all exams are popping up!! I'm just wondering if you'd be able to help me with this maths question that I'm a bit stuck on. What we have to basically do is find out whether a cup of coffee will stay hotter longer when the milk is...