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?
84,678 results, page 87

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 
Sociology
How does the twoparty system in the United States affect political involvement? 
Mathematics C 8th grade
Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2.4 h, and Car B traveled the distance in 4 h. Car A traveled 22 mph faster than Car B. How fast did Car A travel? _______MPH 
physics ( please help me)
a railroad handcar is moving along striaght, fricionless tracks. In each of the following cases the car initially has a total mass (car and contents of magniude 4.00 m/s^1. Find the final velocity of the car in each of the three cases. A) a 40.0 kg mass is thown sideways out ... 
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... 
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? 
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 ... 
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 ... 
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... 
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.? 
science
suppose your mom is boiling water near the window where did the mist came from and why was tehre mist on the window 
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? 
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 ... 
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  ... 
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 ... 
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 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... 
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... 
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 (... 
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 
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 ... 
Business Statistics
The U.S. Dairy Industry wants to estimate the mean yearly milk consumption. A sample of 16 people reveals the mean yearly consumption to be 60 gallons with a standard deviation of 20 gallons. a. What is the value of the population mean? What is the best estimate of this value... 
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 ... 
physics
An 0.90 kg object is attached to one end of a spring, and the system is set into simple harmonic motion. The displacement x of the object as a function of time is shown in the drawing. With the aid of these data, determine the following values. I got a,b,d,e right. for C, I ... 
Chemistry
describe the preparation of 12 mL of a 0.050 M solution of each of the halogens, using the reactions in the preceding question. Available to you are solid Ca(OCl)2; 0.20 M solutions of NaCl, NaBr, NaBrO3, and CuSO4; a 0.40 M solution of NaI; a 0.50 M solution of H2SO4; ... 
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 ... 
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? 
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... 
geometry
you just got a n ew dirt bike with really advanced four stroke engine that burns fuel efficiently and you wonder what kind of gas mileage you are getting. like most dirt bikes your new machine has no odometer to record the miles traveled.The rear tire's outside diameter is ... 
Colonies in the Wilderness
Describe the system of government in Canada in 1791. The system of government of Canada in 1791 ws a colonial government. It placed power in the hands of a small group of rich and influential men. It was known as oligarchy. It had a legislative assembly, an appointed governor... 
Social Studies
19. Select a new deal program that helped improve the lives of South Carolinians. explain what the program improved and how it helped the people of South Carolina. 20. Explain how rationing affected the people on the home front during World War II. How did this behavior help ... 
Chemistry
If the radiation of an automobile contains 12L of water, how much would the freezing point be lowered by addition of 5 kg of prestone (glycol, C2H4(OH2))? How many kg of zerone (methyl alcohol, CH3OH) would be required to produce the same result? assume 100% purity . 
construction
A swimming pool is 120' long,45' wide and 10' deep.How long would it take to fill with water if your maximum fill rate was 15 gallons per minute? 
Math
A faucet is leaking at a rate of 4.2 milliliter per minute. How many gallons of water does the faucet leak per day? Use 1 L = 0.26 gal. Explain how you solved this problem 
PHYSICS (what is a dynamic equation????)
A car of mass Mc is connected to mass m2 by a string. The string passes over a solid cylindrical pulley, which has a frictionless bearing, of radius R and mass M. when the system is released from rest the string doesn't slip, the car moves down the incline, and m2 moves upward... 
physics
A long horizontal hose of diameter 4.6 cm is connected to a faucet. At the other end, there is a nozzle of diameter 1 cm. Water squirts from the nozzle at velocity 20 m/sec. Assume that the water has no viscosity or other form of energy dissipation. a) What is the velocity of ... 
physics
A truck of mass 8000 kg is accelerating at 5.0 m/s2 up a hill of inclination 4 degrees to the horizontal. The friction forces on the truck add up to 550 N. a) Draw a neat FBD of the truck indicating all the forces acting on it. b) What force does the truck exert against the ... 
Algebra1
3. Jackson bought a car for $11,000.00. After 2 years, the value of the car is $7,860.00. If the value of the car depreciated linearly, how much did the car depreciate each year? 
Physics
Let your car have a mass of 825 kg. Your car is moving at a speed of 3.08 m/s when it strikes a parked car and stops in 0.21 s. What force did the parked car exert on it to stop it that quickly? 
math
If the digits of a number may be any one of 0 through 9 (except the first digit cannot be zero), and the system of alternating signs of coefficients is used to create a polynomial, what is the least number m of real zeros the polynomial can have? What is the greatest number M ... 
math
If the digits of a number may be any one of 0 through 9 (except the first digit cannot be zero), and the system of alternating signs of coefficients is used to create a polynomial, what is the least number m of real zeros the polynomial can have? What is the greatest number M ... 
math
If the digits of a number may be any one of 0 through 9 (except the first digit cannot be zero), and the system of alternating signs of coefficients is used to create a polynomial, what is the least number m of real zeros the polynomial can have? What is the greatest number M ... 
chemistry
what is the molecular mass of a solute if a solution containing 150 g of that solute and 1.0 kg of water has a boiling point of 102.0 degree c? (Kb= 0.512 degree C/m) 
calculus
The region A is bounded by the curve y=x^25x+6 and the line y = x + 3. (a) Sketch the line and the curve on the same set of axes. (b) Find the area of A. (c) The part of A above the xaxis is rotated through 360degree about the xaxis. Find the volume of the solid generated... 
chemistry
A solution of ethanol, C2H5OH, is prepared by dissolving 25.0 mL of ethanol in enough water to give a total volume of 250.0 mL. What is the percentbyvolume concentration of ethanol? 
Integrated Chem/Phys
If the density of a 225g stuffed plush toy is 1.25g/cm^3 and the water volume in a glass is 25 ml, find the new level of water after the toy is pushed under water. I know that D=m/v so 1.25=225/v so 1.25/225=v so I got .005 which cannot possibly be right. I am obviously doing ... 
physics
The heating element of a water heater in an apartment building has a maximum power output of 29 kW. Four residents of the building take showers at the same time, and each receives heated water at a volume flow rate of 12x105 m3/s. If the water going into the heater has a ... 
Chemistry
Calculate the radius of a vanadium atom, given that V has a BCC crystal structure, a density of 5.96 g/cm3, and an atomic weight of 50.9 g/mol. I used this equation: density = (2)*(atomic weight) / (volume of unit cell)*(Avagodro's #) rearranged to find the volume of the unit ... 
Chemistry
Calculate the radius of a vanadium atom, given that V has a BCC crystal structure, a density of 5.96 g/cm3, and an atomic weight of 50.9 g/mol. I used this equation: density = (2)*(atomic weight) / (volume of unit cell)*(Avagodro's #) rearranged to find the volume of the unit ...