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

1. algebra 1

Solve the following system of linear equation using any algebraic method. 2x+5y=3 X-3y=7
2. algebra 1

Solve the following system of linear equation using any algebraic method. 2x+5y=3 X-3y=7
3. algebra 1

Solve the following system of linear equation using any algebraic method. 2x+5y=3 X-3y=7
4. 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?
5. 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?
6. Science

Which planet has the strongest winds in the solar system and the Great Dark Spot?
7. algebra

without graphing is each system independent, dependent, or consistent? -x-3y=0 x-y=4 please someone help me
8. algebra

which matrix represents the system of equations below. -2x-7y=3 7x-6y=12 not sure how to figure this out.
9. algebra

Express the system as an augmented matrix and solve using Gaussian elimination. x=+2y+z=3 2y+3z =2 -x+2z = 1
10. algebra

Solve the system of equations by first expressing it in matrix form as and then evaluating. a). 3x-2y=5 4x-y =-10 b). 3x -2y =-2 4x -y = 3
11. sociology cultural

Compare and contrast the kinship and marriage system of the Kaluli and the Minangkabau.
12. 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
13. Math

Solve the following system of equations using the cross multiplication method,ax+by=a-b;bx-ay=a+b
14. U.S. Government and Politics

Can anyone help me on this question?? Describe how our Federalist system works in America. /:)
15. Chemistry

What is the change in internal energy of a system that does 7.02 kj of work and absorbs 888 j of heat?
16. history

the firdst fully developed american factory system emerged in the what industry
17. science help!!!

Explain how your respiratory system could help guard your body against pathogens that are in the air.

19. Algebra

What is the solution of the linear-quadratic system of equations? {y = x^2 + 5x - 3 {y - x = 2 So confused about how to do this any help is appreciated.
20. math

Which quadrant does the solution of the system fail? x+y=4 2x-y=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 (:
21. Civics

What role do precedents play in our legal system? Help would be appreciated!! :-)
22. Math

I'm struggling with system applications word problems. Can some please explain on how to do it? Thanks
23. 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)
24. Physical Science

The entropy of an isolated system always do what when natural processes occur?
25. american history

under America's second party system, the whigs stood for?
26. Physics

The maximum kinetic energy of a mass-spring system in SHM is equal to
27. MATH

Which of the following ordered pairs represents the solution to the system of equations below? -3x+2y=2 7x-3y=7 [8.EE.8.b] A. (2, 4) B. (4, 7) C. (7, 14) D. (8, 13)
28. anatomy

How does coronary artery disease affect normal homeostasis of the cardiovascular system
29. science

How does coronary artery disease affect normal homeostasis of the cardiovascular system
30. Anatomy

How does coronary artery disease affect the normal homeostasis of the cardiovascular system
31. Statistics

How would I solve each system by substitution? I know basically what to do, but I keep getting stuck. Thanks! 1)x=2-y 3x-2y=1 2)2x+3y=-1 x=y-13
32. Analytical CHM 300

which rating system gives the analyst the most information?
33. Economics

The key feature of a market system is A. competition. B. profit. C. demand. D. supply.
34. Algebra 2

solve each system of equation 3x+5y+2z=4 2x-2y+3z=-4 x+y+z=0 *could you show work because I want to learn how you got this answer
35. college algebra

hw to solve equation in the real number system, x^4 +12x^3 +10x^2-9x+9x+22=0
36. college algebra

how to solve equation in the real number system, x^4 +12x^3 +10x^2-9x+9x+22=0
37. law

Are the juvenile courts doing enough to change the treatment of juveniles in the justice system?

39. math

Determine if each system has one, two, or no solutions. (Show your work - 3 marks each) a)y=2x^2-2x+1 and y=3x-5 b)y=x^2+3x-16 and y=-x^2-8x-18
40. math

Determine if each system has one, two, or no solutions. (Show your work - 3 marks each) a)y=2x^2-2x+1 and y=3x-5 b)y=x^2+3x-16 and y=-x^2-8x-18
41. Anthropology

Where, if any, would you find a working kinship system within the United State
42. help last one asap ss

In 3–5 sentences, describe the apportionment system for state legislative districts.
43. Algebra

Need help solving the system of inequalities and equations graphically for this problem. Please help! 6y=9(x-6) 3(2y+5x)=-6
44. law

what are some examples of successful or unsuccessful criminal justice system services
45. Political Science

Does the representation system in the U.S. Senate still make sense today? Why or why not?
46. american history

How did the spoils system affect politics during the Gilded Age?
47. chemistry

Raising the temperature of a reacting system increases the rate of the reaction, but does NOT increase the:
48. 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
49. 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
50. Socialsl studies

Who created a caste system that separated Indians into groups?
51. Algebra

2. What is the value of x in the solution to the system of equations below? 15x – 12y = 13 30x + 9y = 4
52. Health

The functional unit of the nervous system is.. A. The Neuron B. The Brain*** C. A reflex D. The cerebrum
53. Mathematics

Does the figure of a star have rotational system? if it does find the angle of rotation?
54. science

write down the possible terms of one electron system corresponding to n=2
55. 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.

solve the system. x=2-y and 3x+3y=6 parallel coincident 4,-2 1,1 I chose the last one and its incorrect
57. Physics

An object of area 15sqcm and height 2 cm has a mass of 50g. what is its density in SI system
58. 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
59. 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!
60. maths(Quantitative Method)

Write the augmented matrix corresponding to the system of equation. 2a-3b+c=1 -a+b-4c=3 3a-b=2
61. Gaussian Elimination Method

Write the system of equations as an augmented matrix. Then solve for x and y. 5x-4y=12 -5x+3y=9
62. 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 4x-2y=10 y=2x-5 the correct answer?
63. Gauss-Jordan elimination

Write the system of equations as an augmented matrix. Then solve for x and y. -3x+3y=-21 3x+2y=-4
64. Math

Can someone please help me with my open needed question Solve the system by substitution -X-y-z= -8 -4+4y+5z =7 2X+2z= 4
65. natural science/bio

flow diagram of circulatory and respiratory system combined
66. 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
67. biology

describe the pathway of blood through the prts of the earthworms circulatory system
68. History

How did the system (unitary government) help Qin Shi Huang control the country?
69. geography

what will be a good hook for an essay about ancient india and the caste system? help
70. Health

2. Which main body system is responsible for breaking down food for energy?
71. Math

Which statement justified the given ordered pair as a solution to the system of equations (-1, -13), (y=3x-10), (y=-2x-15)
72. math

which matrix represents the system of equations below -12x-13y+13z=15
73. Math help again!

Solve each system of inequality by graphing 17)y>-x+5 y<3x-4 Can someone help me on this i just don't understand it that well
74. 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 ...
75. 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?
76. 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 co-distills 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-...
77. 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 ...
78. 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?
79. 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...
80. 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℃)
81. science

How much hot air in SCFM is needed to heat up water from 60F to boiling point. The hot air is 350F.
82. 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.?
83. 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 ...
84. 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...
85. 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 ...
86. science

suppose your mom is boiling water near the window where did the mist came from and why was tehre mist on the window
87. 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...
88. 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 - ...
89. 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 ...
90. 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 ...
91. 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 ;)
92. 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?
93. 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 ...
94. 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?
95. physics

in an emergency stop to avoid an accident, a shoulder-strap 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 ...
96. 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 (...
97. 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 ...
98. 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
99. 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...
100. 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...