
Science HELP!!
LCL is the height where air has cooled to the dew point. We can calculate LCL using temperature and dew point at the surface. Like temperature dew point also decreases with height because of decreasing pressure. Dew point drops at the "dew Point Lapse Rate
asked by Danger girl on March 11, 2009 
math
suppose that oil spilled from a tanker and spreads in a circular pattern whose radius increases at a constant rate of .5 feet per second. find a function f that models the radius of the oil spill as a function of time r=f(t) with t measured in seconds.
asked by Crystal on March 11, 2013 
algebra
A water faucet is located in one corner of Juan's garden. He wants a garden hose long enough to reach the farthest corner of the garden. The garden is rectangular with sides of 10 feet and 15 feet. How long should the garden hose be? Show your work
asked by Alexius on December 1, 2012 
physics
Bar AB has length L, constant thickness d, and a width that tapers linearly from 3d at its fixed end (A) to d at its free end (B; see the figure below). The bar is homogeneous with mass density ρ and Young's modulus E. When hung vertically as shown in the
asked by Donkey on June 23, 2014 
General chem lab
This involves Enthalpy of Neutralization: A student determined the calorimeter constant of the calorimeter. Using a plotted line. The student added 50ml of cold water to 50 ml of heated water in a Styrofoam cup. The initial temperature of the cold water
asked by Toni on March 24, 2007 
Math
1.5gal/min=?qt/h Help!!!! First thing you need to do is figure out how many gallons an hour it is. Since there are 60 minutes in an hour and it's going at 1.5 gallons a minute, we can multiply 1.5 * 60. That's 90 gallons per hour. Now, just figure out how
asked by Elyssia on April 12, 2007 
Physics
If a Wire Resistance is 10 ohm at 0 DegC and the same wire Resistance becomes 15 ohm at temperature 100 DegC, then at what temperature the wire Resistance will be 30 ohm? Temperature coefficient of the wire material is 0.0047.
asked by SIDDHARTHA on March 17, 2017 
physics
In the Figure the pulley has negligible mass, and both it and the inclined plane are frictionless. Block A has a mass of 1.3 kg, block B has a mass of 2.7 kg, and angle è is 26 °. If the blocks are released from rest with the connecting cord taut, what
asked by chirayu on March 23, 2009 
algebra
5. 16t2 gives the distance in feet a freefalling object falls in t seconds. 16t2 + 10t gives the distance an object falls in t seconds when it is thrown down with an initial velocity of 10 feet per second. Use this polynomials to: a. Find how far a wallet
asked by leigh on July 3, 2011 
math
The length of a rectangular room is two feet less than three times its width. The area of the rectangle is 176 square feet. a) Write an algebraic equation to model this problem. b) Solve the equation to find the dimensions of the rectangle. Another tutor
asked by Aspen on January 28, 2018 
Geometry
Please check for me .Thanks A building cast a shadow 23 feet long when the angle of the sun is 52 degree. Find the height of the building to the nearest integer. Let X be the height of the building Tan 52 degree =x/23 23 tan 56 =294feet x = 23 tan 52 =
asked by DANIELLE on June 20, 2007 
Algebra
The period of time the pirate ship ride at a carnival takes to complete one cycle swinging to and fro is represented by the formula below for L feet long and T seconds. Find to the nearest hundredth of a second the period of time it takes the ride to swing
asked by Amy on May 20, 2011 
Calculus
A home owner wants to fence in his yard of 600 sq. feet. Three sides are to be constructed with chain link fence at a cost of 3.25 per linear feet. The fourth side is to be constructed with a wood stockade fence at a cost of $5.45 per linear foot. A) what
asked by Jen on December 7, 2015 
Chemistry
0.5g of MG ribbon is reacted with 100ml of 1M HCL. The initial temperature of HCL is 20.4 degrees celsius. After the reaction the highest recorded temperature is 40.7 degrees celsius. Calculate the molar enthalpy of MG. I tried to find mol from HCl and
asked by Jacob on October 17, 2016 
Chemistry
What is a method for determining the specific heat for a metal like sodium which reacts with water? You could heat it and let it come to an equilibrium temperature inside a calorimeter. or you could put it in a liquid such as kerosene and observe the heat,
asked by Brown on February 28, 2007 
thermodynamics
Which of these statements are in accord with the three laws of thermodynamics? AThe entropy of the universe never decreases BA nonspontaneous process can occur if it is coupled to a process which is sufficiently spontaneous CThe temperature of the
asked by anonymous on April 29, 2007 
chem
Two metals of equal mass, A and B, both at a temperature of 25 degrees celsius, are placed in separate but identical beakers of cold water. Metal A has a larger specific heat than metal B. Metal A is in Beaker 1, and metal B is in Beaker 2. Which beaker
asked by lynn on July 1, 2011 
Math 117b
describes h(x), the height of a part of a rollercoster track,where x is the horizontal distance in feet from the center of this section of the track. The towers that support this part of the track are the same height and are 150 feet apart .Which is the
asked by Stacey on August 18, 2013 
chemistry
Surface tension explains which of the follow ing phenomena? I) A piece of aluminum foil floating on a lake II) A bowling ball sinking more slowly through molasses than through water III) Separating ethanol from water by distillation IV) Water beading on a
asked by Bob on November 14, 2010 
statistics HELP!
A data set includes body temperatures of healthy adult humans for which 98.1F and s= 0.56F. What is the best point estimate of the mean body temperature of all healthy humans? Using the sample statistics, construct a confidence interval estimate of the
asked by Jenny on December 16, 2014 
Physics
A 0.0475 kg ice cube at −30.0°C is placed in 0.577 kg of 35.0°C water in a very well insulated container. The latent heat of fusion of water is 334 kJ/kg, the specific heat of ice is 2092 J/(kg · K), and the specific heat of water is 4184 J/(kg · K).
asked by Art on January 25, 2016 
Geometry
A camper attaches a rope from the top of her tent 4 feet above the ground to give it more support if she steaks to rope to the ground 6 feet from the middle of her tent about how long is the rope from the ground to her tent
asked by Ayden on March 8, 2019 
math (opt) math 2
A flagstaff of placed at one corner of a rectangular playground 40m long and 30m wide. If the angle of elevation of the top of flag staff from the opposite corner of 30°, find height of the flagstaff. (The question is complete and I have cross checked the
asked by A GOODSTUDENT on September 10, 2016 
math
Martha is covering kitchen shelves with shelving paper. She has 6 shelves that are each 1 ¾ feet long. She buys 13 ¼ feet of shelving paper of the correct width. Which equation can be used to determine how much paper she will have left over? would that
asked by treshia on October 15, 2014 
Trigonometry
The diameter of the wheel is 165 feet, it rotates at 1.5 revolutions per minute, and the bottom of the wheel is 9 feet above the ground. Find an equation that gives a passenger's height above the ground at any time t during the ride. Assume the passenger
asked by Anonymous on July 18, 2013 
math
An angry construction worker throws his wrench downward from a height of 128 feet with an initial velocity of 32 feet per second. The height of the wrench above the ground after t seconds is given by S(t)= 16t^2  32t + 128. a) What is the height of the
asked by Casey on January 3, 2011 
MATH
Bobbie wants to plant a flower garden in her yard. She raked out the circular garden area shown below. Now she wants to estimate the area of the garden. Bobbie knows that her rake is 5 feet long. Which estimate is closest to the area in square feet of the
asked by ASAP PLEASE on April 24, 2017 
Water Treatment
Based on the treatment scheme, what type(s) of raw water is / are being treated? Groundwater River water Riverbank filtrate Lake water Infiltrated river water please post answer
asked by Naifaru on October 19, 2013 
math
A woman is sitting in a boat at anchor on a lake. Her boat bobs up and down once every 2.0·s. She notices that when the front of her 3.0·m long boat is at one wave crest, a second crest is at the middle of her boat, and a third is at the end. What is the
asked by confused on December 8, 2011 
Physics
A woman is sitting in a boat at anchor on a lake. Her boat bobs up and down once every 2.0·s. She notices that when the front of her 5.0·m long boat is at one wave crest, a second crest is at the middle of her boat, and a third is at the end. What is the
asked by Shae on March 4, 2018 
Physical
At t = 0 s time a stone is thrown from the top of a cliff above a lake. Another stone is thrown down from the same point , 1.6 s later , with a initial velocity of 32.0 m / s. The two stones hit the water in one instant. Determine the cliff height.
asked by Michel on November 25, 2015 
English
help with participles The rude person, shoving others aside, went to see the manager. Would the participle be shoving The lake, frozen solidly, looked like a huge mirror. Would the participle be frozen?
asked by Anonymous on February 26, 2014 
Help with Science
1. Which of the following is an example of an environmental pressure? A. The air pressure in the atmosphere. B. A lake that is gradually running out of water. C. A fight between two members of the same species. D. Breeding between two members of the same
asked by Lilstar on November 17, 2013 
chemistry
Reactions in which a substance decomposes by losing CO are called decarbonylation reactions. The decarbonylation of acetic acid proceeds as follows: CH3COOH(l)= CH3OH(g)+ CO(g. By using data from Appendix C in the textbook, calculate the minimum
asked by Anonymous on February 14, 2012 
Physics
2 moles of ideal gas are in a cylinder container with crosssectional area 1*10^2 m^3. Cylinder is fitted with a light, movable piston that is open to atmosphere, where pressure is 10^5 PA.A 50KG MASS PLACED ON PISTON KEEPS IT IN mechanical equilibrium
asked by Grace on January 13, 2011 
Physics
A lead ball, with an initial temperature of 25.0oC, is released from a height of 125.0 m. It does not bounce when it hits a hard surface. Assume all the energy of the fall goes into heating the lead. Find the temperature (in degrees C) of the ball after it
asked by Jake on February 7, 2019 
physics
A 100 g aluminum calorimeter contains 250 g of water. The two substances are in thermal equilibrium at 10°C. Two metallic blocks are placed in the water. One is a 50 g piece of copper at 84°C. The other sample has a mass of 58 g and is originally at a
asked by Annette on April 29, 2013 
Physics
A lead ball, with an initial temperature of 25.0oC, is released from a height of 96.0 m. It does not bounce when it hits a hard surface. Assume all the energy of the fall goes into heating the lead. Find the temperature (in degrees C) of the ball after it
asked by Lindsay on March 30, 2008 
chemistry
9.) 250.0g of copper at 100.0 degrees C are placed in a cup containing 325.0g of water at 20.0 degrees C. Assume no less to the surroundings. What is the final temperature of the copper and water? So far I have used q=mc times delta t but I cannot find C
asked by mhaidar9108 on February 10, 2008 
Classical mechanics
In the lecture, we discussed the case of an isothermal atmosphere where the temperature is assumed to be constant. In reality, however, the temperature in the Earth's atmosphere is not uniform and can vary strongly and in a nonlinear way, especially at
asked by JuanPro on January 10, 2014 
4th grade Math
Miguel would like to figure out how many blocks he would need to build the 25th dragon without actually building it. He knows that there is a pattern to his hexagon dragons. Can you write a rule in words or a math expression that Miguel can use to figure
asked by minhtrang on October 4, 2011 
math
Mikhail used 220 inches of wire to make this figure. this figure is made up two identical triangles,a 15 inch by 12 inch rectangle and a square of side 19 inches.Whatis the length of one side of each triangle if allthe sides of the triangles are equal in
asked by Carla on November 5, 2014 
Math
A park has a rectangular playground area that has a length 66 feet and width of 42 feet. The park department has 75 yards of fencing material. Is there enough fencing material to enclose the playground area. Explain
asked by Anonymous on May 18, 2015 
Math
Player B longest home run distance is 500 feet there are 5280 feet in one mile how many home runs will player B need to hit at his longest distance for the total to be greater than 1 mile
asked by Zach on August 10, 2016 
math
A flagpole casts a shadow that is 30 feet long. At the same time, a man standing nearby who is 6 feet tall casts a shadow that is 60 inches long. How tall is the flagpole to the nearest foot?
asked by iker on March 26, 2019 
Math
Player B longest home run distance is 500 feet there are 5280 feet in one mile how many home runs will player B need to hit at his longest distance for the total to be greater than 1 mile
asked by Zach on August 10, 2016 
Math
A .Lyza has a 9inch board. She wants to measure the length of a small rug in feet. How can she do this? B. she finds that the 9inch board fits 4 times along the rug length. How many inches is this ?______ how many feet?______
asked by Raines on January 21, 2016 
Physics
Consider an ideal gas enclosed within a container with a moveable piston and a valve through which additional ideal gas can be added to the container. Which one of the following actions may not result in an increase in pressure? Increase the temperature,
asked by Sam on July 20, 2014 
physics
If the specific heat of water = 4190 J/kg /°C and a total of 120g of hot water at 95°C is poured into the calorimeter, resulting in a final equilibrium temperature of 73°C, how many joules of heat are lost by the water? 11061.6 If the specific heat of
asked by Shay on April 1, 2013 
Science
In a gas kept at a constant temperature, all molecules move with the same speed. True or False? I believe that is true because the pressure would be equal if the temperature is so the molecules would have the same speed.
asked by Hilda on May 5, 2008 
Chemistry
At a certain temperature, the equilibrium constant, Kc, for this reaction is 53.3. At this temperature, 0.300 mol of H2 and 0.300 mol of I2 were placed in a 1.00L container to react. What concentration of HI is present at equilibrium?
asked by Paul on January 19, 2013 
Introduction to Chemistry
Hydrogen gas has a pressure of 765mm Hg, a volume of 355mL,and a temperature of 22 degrees C. What is the new volume of this gas if the pressure is 5.1atm,and at a temperature of 48degrees C?
asked by Renee on April 22, 2014 
Chemistry
The volume of a sample of oxygen is 300.0mL when the pressure is 1.00 atm and the temperature is 27.0 degrees C. At what temperature is the volume 1.00 L and the pressure 0.500 atm?
asked by Kaitlin on May 31, 2011 
Chemistry
a.) How much energy is needed to heat 20.0mL of water from room temperature to 40.0°C? b.) How much energy is released when 20.0mL of water is cooled from initial temperature to 10.0°C?
asked by Faye on March 14, 2019 
Math
On a winter's day, 9 degrees Fahrenheit is th highest temperature recorded. Which inequality represents the temperature, t, in degrees Fahrenheit, at any time on this day?
asked by Asya on January 13, 2015 
Chemistry
C2H6 > 2CH3 at a temperature where the halflife is 21 minutes. If the initial concentration is 8.0 mM, what would the concentration be after 46.0 minutes? How long would it take to convert 95% of C2H6 at this temperature?
asked by Rachel on December 2, 2011 
Chemistry (Check)
A sample of helium has a volume of 521 cc at a pressure of 75 cmHg and a temperature of 18 degrees C. When the temperature is increased to 23 degrees C, what is the volume of the helium? Vf = .530 L
asked by Anonymous on November 13, 2015 
Chemistry
For the reaction below, an analysis of an equilibrium mixture is performed at a certain temperature. N2(g) + 3 Cl2(g) 2 NCl3(g) It is found that [NCl3(g)] = 1.9 101 M, [N2(g)] = 1.4 103 M, and [Cl2(g)] = 4.3 104 M. Calculate K for the reaction at this
asked by Larry on January 8, 2012 
Calc
The temperature at any point in the plane is given by the function T(x,y)=100/(x^2+y^2+1). Find the direction of the greatest increase in temperature at the point (3,2). What is the magnitude of the greatest increase? Could someone help me with this,
asked by Amanda on February 28, 2011 
physics
An object of mass M = 924 g is pushed at a constant speed up a frictionless inclined surface which forms an angle è = 50 degrees with the horizontal as shown in the figure below. What is the magnitude of the force that is exerted by the inclined surface
asked by m2a on October 10, 2009 
physics
An object of mass M = 924 g is pushed at a constant speed up a frictionless inclined surface which forms an angle è = 50 degrees with the horizontal as shown in the figure below. What is the magnitude of the force that is exerted by the inclined surface
asked by m2a on October 10, 2009 
stastistics
1. In investigating growth of Japanese beetles, biologists predicted the size (in millimeters) of female beetles from daily temperature (in degrees) and age (in days). The regression equation is: size(hat) = 6.51 0.002temperature 0.01age Which is
asked by jamal on February 3, 2012 
math
bystander at the Pegasus Parade, is lying on his back and observing a large balloon of a cartoon character, floating directly above Broadway Street. He is located 32 feet from a point on the street directly beneath the balloon. To see the top of the
asked by luis on May 22, 2014 
(11) Chemistry  Science (Dr. Bob222)
In the following hypothetical reaction A + B → C + D, the equilibrium constant, Keq is less than 1.0 at 25°C and decreases by 35% on changing the temperature to 45°C. What must be true according to this information? A. The ΔH° for the reaction is
asked by Ana on May 7, 2014 
CHEMISTRY
A GAS OCCUPIES A VOLUME OF 584 ML AT A PRESSURE OF 12.01K PA AND A TEMPERATURE OF 303K. whEN THE PRESSURE IS CHANGES, THE VOLUME BECOMES 477ML. IF THERE HAS BEEN NO CHANGE IN TEMPERATURE, WHAT IS THE NEW PRESSURE? ........ PLEASE HELP ME WITH THIS
asked by TIFFANY on January 8, 2007 
calculus
Boyle's law states that if the temperature of a gas remains constant, then PV = c. Where P is the pressure, V is the volume, and c is a constant. Given a quantity of gas at constant temperature, if V is decreasing at a rate of 13 in.^3/s, at what rate is P
asked by Hussain on May 2, 2010 
physics
Outside air generally contains some water vapor (typically 12% by mass). Does it take more, less, or the same heat to raise the temperature of 1kg moist air than is needed to raise the temperature of 1kg dry air by the same amount?
asked by Todd on February 8, 2011 
Calculus Help
The formula C =5/9(F − 32), where F ≥ −459.67, expresses the Celsius temperature C as a function of the Fahrenheit temperature F. Find a formula for the inverse function. What is the domain of the inverse function? (Enter your answer using interval
asked by Mello on February 19, 2014 
calculus
A person's temperature is f (t) degrees Fahrenheit t days after the start of a tendays sickness and f(t)=98.6+1. 2t0.12t^2, 0 is less than or equal to t, and t is less than or equal to 10. find the rate of change of the temperature when the person has
asked by KZAA on August 10, 2014 
chemistry
A block of copper of unknown mass has an initial temperature of 66.7 ∘ C . The copper is immersed in a beaker containing 95.5g of water at 20.6 ∘ C . When the two substances reach thermal equilibrium, the final temperature is 26.0 ∘ C .What is the
asked by k on July 2, 2014 
Physics
You have a brass ring of inside diameter 10.00 cm that is at 20.0oC. You want to slip this ring over an aluminum rod that is at 20.0oC and has a diameter of 10.01 cm. a. To what temperature do you have to heat the ring to slip it over the rod? b. Once you
asked by David on December 4, 2014 
Physics
A car skidded on a roadway that has a coefficient of friction with the road of 0.7. A police officer measured the skid marks and noted them to be 100 feet long. Two years later at trial, the lawyer for the driver argues that the officer did not measure the
asked by Hassan on April 28, 2015 
Math
1) A rectangular rug has a length of 231 centimeters and a width of 166 centimeters. What is the area of the rug in square meters? Explain how you determined the correct number of significant digits for your answer. 2) Christina swims 2400 feet in 16
asked by Anonymous on September 27, 2017 
algebra
you want to build a playhouse for your sister in your backyard. You have the blue print which show the playhouse is 13 feet long and 12 feet wide. you want to change the dimension such that the lenght will be decreased and the width will be increased by
asked by sue on October 15, 2014 
Chemistry
Ethanol (C2H5OH) boils at a temperature of 78.3oC. What amount of energy, in joules, is necessary to heat to boiling and then completely vaporize a 28.6 g sample of ethanol initially at a temperature of 10.8oC. The specific heat of ethanol is approximately
asked by John on October 7, 2011 
chemistry
(a) A person drinks four glasses of cold water (3.0°C) every day. The volume of each glass is 2.5x10^2 mL. How much heat (in kJ) does the body have to supply to raise the temperature of the water to 37°C, the body temperature? (b) How much heat would
asked by Amber on November 14, 2011 
Health Question
Can you please help with this question? Heat stroke is a life threating condition because: 1. the child sweats profusely and becomes dehydrated. 2. the child's body temperature is elevated and unregulated. 3. the child's body fluctuates between high and
asked by Sherylin on April 17, 2007 
Chemistry
Ethanol (C2H5OH) boils at a temperature of 78.3oC. What amount of energy, in joules, is necessary to heat to boiling and then completely vaporize a 13.1 g sample of ethanol initially at a temperature of 11.1oC. The specific heat of ethanol is approximately
asked by Carrie on October 6, 2011 
thermochem
A meal is 8000kJ. If all the energy is converted to heat, how much iced water with a temperature of 0 degrees must a person drink to maintain body temperature of 37 degrees? How do I solve this  using the fact that 1mL water by 1 degree is 4.2Joules? Heat
asked by Cole on February 6, 2012 
Chemistry
Ethanol (C2H5OH) boils at a temperature of 78.3oC. What amount of energy, in joules, is necessary to heat to boiling and then completely vaporize a 22.8 g sample of ethanol initially at a temperature of 16.5oC. The specific heat of ethanol is approximately
asked by tanner on October 6, 2011 
physics
A window has a glass surface of 2686 cm2 and a thickness of 7.4 mm. Find the rate of energy transfer by conduc tion through this pane when the temperature of the inside surface of the glass is 66◦F and the outside temperature is 77 ◦F. Assume the
asked by Beatles Lover on July 8, 2013 
chemistry
A plastic cylinder full of acetylene (C2H2) has a rigid volume of 2.92 L and a pressure of 1.80 atm at 20 °C. The cylinder can only withstand a pressure of 5 atm. Left inside a hot car where the temperature can reach 50 °C, is there danger of the
asked by Anonymous on June 20, 2012 
college chem
Ethanol (C2H5OH) boils at a temperature of 78.3oC. What amount of energy, in joules, is necessary to heat to boiling and then completely vaporize a 20.0 g sample of ethanol initially at a temperature of 13.6oC. The specific heat of ethanol is approximately
asked by john on October 4, 2011 
math (more trig)
how could you do this problem? tinyurl 39jlf9 (sorry i cant get it to post because it is an internet address i cant seem to figure it out and it seems like there is not enough information or maybe i didn't pay attention in class i was able to get the one
asked by jacob on April 30, 2007 
Physics
A heat engine using a monatomic gas follows the cycle shown in the pV diagram to the right. The gas starts out at point 1 with a volume of 233 cm3, a pressure of 235 kPa, and a temperature of 317 K. The gas is held at a constant volume while it is heated
asked by Bob on April 22, 2019 
Algebra;distance problem
2. An express and local train leave Gray’s Lake at 3 P.M. and head for Chicago 50 miles away. The express travels twice as fast as the local, and arrives 1 hour ahead of it. Find the speed of each train.
asked by Therese on July 27, 2008 
Physics
A golf ball rolls off a horizontal cliff with an initial speed of 12.2 m/s. The ball falls a vertical distance of 17.3 m into a lake below. (a) How much time does the ball spend in the air? (b) What is the speed v of the ball just before it strikes the
asked by Justin on June 18, 2013 
physics
A golf ball rolls off a horizontal cliff with an initial speed of 14.1 m/s. The ball falls a vertical distance of 14.0 m into a lake below. (a) How much time does the ball spend in the air? (b) What is the speed v of the ball just before it strikes the
asked by chelsea on January 31, 2012 
math
Julian is interested in building a new house. Three architects have given him plans. The first plan is for a house that will be 2,250 square feet. The total cost of the house will be $281,250. The second plan is for a house that will be 2,400 square feet.
asked by jaz on October 29, 2010 
geometry
Julian is interested in building a new house. Three architects have given him plans. The first plan is for a house that will be 2,250 square feet. The total cost of the house will be $281,250. The second plan is for a house that will be 2,400 square feet.
asked by kaitlynne on October 11, 2010 
geometry
Julian is interested in building a new house. Three architects have given him plans. The first plan is for a house that will be 2,250 square feet. The total cost of the house will be $281,250. The second plan is for a house that will be 2,400 square feet.
asked by Anonymous on November 17, 2010 
math
Julian is interested in building a new house. Three architects have given him plans. The first plan is for a house that will be 2,250 square feet. The total cost of the house will be $281,250. The second plan is for a house that will be 2,400 square feet.
asked by Anonymous on January 19, 2011 
geometry
Julian is interested in building a new house. Three architects have given him plans. The first plan is for a house that will be 2,250 square feet. The total cost of the house will be $281,250. The second plan is for a house that will be 2,400 square feet.
asked by jane on March 7, 2011 
MATH
Julian is interested in building a new house. Three architects have given him plans. The first plan is for a house that will be 2,250 square feet. The total cost of the house will be $281,250. The second plan is for a house that will be 2,400 square feet.
asked by Anonymous on May 15, 2011 
5th Gr Math
Mikail used 220 inches of wire to make this figure. The figure is made up of 2 indentical triangles, a 15 inch by 12 inch rectangle & a square of side 19 inches. What is the length of 1 side of each triangle if all the sides of the triangles are equal in
asked by Ryan on November 12, 2012 
math
Which hill described in the table is the steepest? (Table) Street: Horizontal (ft): Vertical Rise (ft): Dixie Hill 60 20 Bell Hill 60 40 Liberty Hill 60 30 A. Bell Hill; it rises 2/3 foot for every 1 foot of horizontal travel. B. Dixie Hill; it rises 1
asked by anonymous on May 4, 2015 
Math
Which hill described in the table is the steepest? (Table) Street: Horizontal (ft): Vertical Rise (ft): Dixie Hill 60 20 Bell Hill 60 40 Liberty Hill 60 30 A. Bell Hill; it rises 2/3 foot for every 1 foot of horizontal travel. B. Dixie Hill; it rises 1
asked by Anonymous on May 4, 2015 
ChemistryDrBob222
I got an answer of 1.34 x 10^3 KJ/mol. A 10.00 mL aliquot of 0.100 M NaOH is added to 15.00 mL of 0.100M HCl in a coffee cup calorimeter. The initial temperature of the two dilute liquids were both 25.0 degrees C and the final temperature of the mixture
asked by Nevaeh on March 14, 2016 
Physics
A sound wave is traveling in warm air when it hits a layer of cold, dense air. If the sound wave hits the cold air interface at an angle of 23 degree angle, what is the angle of refraction? Assume that the cold air temperature is 10 degrees C and the warm
asked by melissa on December 13, 2012 
College Algebra
Ken and Kara are 27 miles apart on a caml lake paddling toward each other. Ken paddles at 4mph, while kara paddles at 7 mph. How long will it take them to meet?
asked by ALGY on August 31, 2010
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