Questions Asked on
May 18, 2011

physics
if one resistor is removed from a parallel circuit, the total current will 1) decrease b) increase c) remain the same and the current flowing through each of the remaining branches ____________________. removing one resistor makes total resistance greater.
asked by Sejul 
College Physics
Two shuffleboard disks of equal mass, one orange and the other yellow, are involved in a glancing collision. The yellow disk is initially at rest and is struck by the orange disk moving with a speed vi. After the collision, the orange disk moves along a
asked by Josh 
Algebra
Miguel is choosing between two exercise routines. In Routine #1, he does only running, burning 15 calories per minute. In Routine #2, he burns 12 calories walking. He then runs at a rate that burns 12 calories per minute. For what amounts of time spent
asked by Rachal 
math
In his algebra class, Rob has scores of 79, 85, 81, and 65 on his first four tests. To get a grade of C, the average of the first five tests must be greater than or equal to 70 and less than 80. Solve an inequality to find the range of scores that Rob can
asked by jack 
Algebra II
1) write an equation for a circle with the center (2,0) and radius sqrt 11 2) Find the common ratio in the geometric sequence : 7, 28, 112 .... 3) In a recursive formula, each succeeding term is formulated from the next term. a) true b) false 4) find the
asked by Bread 
Geometry
4 balls each with a radius 1 inch fit snuggly into a 2x2x8 inch box. Is the total volume left over inside the box greater than or less than the volume of a fifth ball? Justify answer. I got as far as figuring the volume of box is 32 cubic inches I'm not
asked by JOY 
physics
The engine weighs 4500 newtons and it is lifted 1.5 meters up by the block and tackle system. To accomplish this, the mechanic must apply a force of 225 newtons while pulling a total of 37.5 meters of chain through the block and tackle pulley system What
asked by Anonymous 
physics
A man weighs 645 N on Earth. What is his mass?
asked by Daniel 
Chemistry
The temperature of a 2.0 g sample of aluminum increases from 25 to 30 degrees celcius. How many joules of heat energy were added? Specific heat of Aluminum is .9
asked by Nichole 
College Physics
A 7.00 g bullet, when fired from a gun into a 1.00 kg block of wood held in a vice, penetrates the block to a depth of 8.00 cm. If the block had instead been at rest on a frictionless horizontal surface, to what depth would the bullet have penetrated?
asked by Josh 
Trigonometry
Find the angle of elevation of the sun when a tower 100m high casts a shadow of 120 meter long?
asked by fakku 
math
Find all the points having an xcoordinate of 9 whose distance from the point (3, 2) is 10. (9, 6), (9, 10) (9, 13), (9, 7) (9, 12), (9, 8) (9, 2), (9, 4)
asked by jack 
ipc
A skydiver jumps out of a hovering helicopter, so there is no forward velocity. Ignore wind resistance for this exercise. 1. What is the skydiver's acceleration? (2 points)
asked by sarah 
Chemistry
When 1.187g of a metallic oxide is reduced with excess hydrogen, 1.054g of the metal is produced. How do you determine what the metal oxide is?
asked by Josh 
Algebra
The function h is is defined below. h(x)=48x^2+ 12x  16 Find all values of x that are NOT in the domain of h. If there is more than one value, separate them with commas. I'm lost.
asked by Rachal 
Chemistry
What is the molarity of a sodium hydroxide solution if 38 mL of the solution is titrated to the end point with 14 ml of .75M sulfuric acid?
asked by Christian 
math final studying
beth scored 75 on her first math test. she scored 20 % higher on her next math test. what did she score on the second test?
asked by cat 
medical billing & coding
Anyoen have any ideas on how to do the final exam for the pennfoster course? There are 4 and I am at a total lost on where to start.. don't want you to do the work for me just need someone to send me into the right direction
asked by Anji 
Algebra
Miguel is choosing between two exercise routines. In Routine #1, he does only running, burning 15 calories per minute. In Routine #2, he burns 12 calories walking. He then runs at a rate that burns 12 calories per minute. For what amounts of time spent
asked by Rachal 
Chemisty
What is the Net Ionic Equation for the following: a.) NH4Br, NaOH b.) Li2CO3, HClO4 c.)Pb(NO3)2, Kl
asked by Jessica 
maths
my daughter studying in 2nd standard this is the project work i don't understand, please show me the answer. make a chart to represent nos 115 using small objets
asked by steffy 
math
how is basic math used in the medical office?
asked by toni 
physics
if one resistor is removed from a parallel circuit, the total current will 1) decrease b) increase c) remain the same and the current flowing through each of the remaining branches ____________________.
asked by Sejul 
Physics
The helicopter view in the figure below shows two people pulling on a stubborn mule. Assume that F1 is 130 N, and F2 is 65 N. The forces are measured in units of newtons (N). (a) Find the single force that is equivalent to the two forces shown. In both
asked by anne 
Physics
An ostrich runs north in a straight line for 21 meters. She then turns around and runs 25 meters back toward her nest (south) on the same path. What is her displacement?
asked by Daniel 
Physics
A car experiences an average acceleration of 5.00 km/hr/s for 3.50 sec. What is the change in velocity of the car?
asked by Daniel 
math
If (3, b) is a point on the graph of 3x  2y = 17, what is b? 4 4 11/3 23/3
asked by jack 
Biology
Among protostomes, which morphological trait has shown the most variation? A. Type of symmetry (bilateral vs. radial vs. none) B. Type of body cavity (coelom vs. Pseudocoelom vs. acoelom) C. Number of embryonic tissue types (diploblastic vs. triploblastic)
asked by axb 
chemistry
Oxygen can be produced by the thermal decomposition of mercuric oxide: 2 HgO(s) → 2 Hg(l) + O2(g) How many liters of O2 are produced at 50.0°C and 0.947 atm by decomposition of 57.0 g of HgO?
asked by Mike 
physics
Three identical resistors are connected in series to a battery. The voltage drop across one of the resistors is ___ times the voltage of the source.
asked by Sushmitha 
English
Thank you very much for helping me rephrase it. I wonder if you could help me express the message Eliot wants to convey through his poem. What do the dried tubers symbolize? Thank you. 1) Eliot, however, prefers the winter because it lets men leave in
asked by Henry1 
Programming
Here is the question that I need help to write the code for the following program in Visual Basic 2010. I am trying to write the code but it has a run time error. If your could helps me to write the code it would be greatly appreciated. Q. Write a program
asked by Solomon 
physics
if three resistances in parallel circuit are all equal, the total resistance is ___ the resistance of any on branch.
asked by Sushmitha 
Physics
A scaffold of mass 50kg and length 5m is supported in a horizontal position by a vertical cable at each end. A window cleaner of mass 70kg stands at a point 2m from one end. Determine the tension in the nearer cable and also the farther cable.
asked by Physics 
Math
A number cube is rolled 60 times. How many times would you expect to roll a 5?
asked by Andrea 
phy
Calculate the density for a rectangular block using the following measurements. Length: 2.70 cm, Width: 1.10 cm, Height: 9.09 cm, Mass: 72.17 g. Round your answer for density to 2 decimal places. Include the correct unit for density. Show your work
asked by irtaza 
physical science
what reaction do you get when adding 3 tespoons of Na2S2O3 to 50 ml of boiling water
asked by Siphesihle 
physics.
resistors of 30 ohms and 60 ohms are connected in parallel and joined in series to a 10 ohm resistor. the circuit voltage is 180 volts I need to find 1)the voltage of the parallel circuit 2)the resistance of the complete circuit 3)the voltage across the 10
asked by Nilan  please help 
COM
What steps must be taken prior to writing an effective persuasive essay? How will those steps contribute to the effectiveness of your final paper?
asked by Joseph 
COMP100
Downloading resources from the Web is beginning to be fairly common. What do you think the legal issues are when doing this? Should people expect to give up property rights to material they have created when they post it on the Web? Why or why not?
asked by SONJA 
government
A colony of a country that followed mercantilism during the 17th century would NOT be encouraged to develop __________.Select one of the options below as your answer: A. farming B. fishing C. slavery D. its own form of government
asked by leidy 
science
if a plane drops a bomb, does the bomb fall straight down, or behind or forward?
asked by janet 
goverment
The Enlightenment idea of “natural rights” is that _________. Select one of the options below as your answer: A. monarchs rule by divine right B. people have natural rights that governments cannot arbitrarily take away C. ethical principles are capable
asked by leidy 
math
(10x  1)^2 Does it = 100x + 1
asked by Fin 
math
find the slope: (2,2) (3,6)
asked by jack 
Physics
In a sound wave, we find a location and time when the density fluctuations are at a maximum. At this same location and time ... a) Pressure fluctuations and displacement are minimum. b) Pressure fluctuations and displacement are maximum. c) Pressure
asked by Brandy 
comp100
Office 2007 gives users the opportunity to jazz up the document with templates, WordArt and other graphics. Do these items add to or detract from the look of a Word document? For what types of documents might it be inappropriate?
asked by SONJA 
math
what is the amount of space, in cubic units, occupied by a threedimensional object?
asked by kaye 
Life orientation
five ways in which teenage prapnance problem impacts on community.
asked by Malesela 
earth
planet is in circular orbit around the Sun. Its distance from the Sun is 2.9 times the average distance of Earth from the Sun. What is the period of this planet, in Earth years?
asked by Anonymous 
physics
A vector has a magnitude of 18.2 cm and makes an angle of 129.0° with the positive xaxis. What are the x and ycomponents of this vector
asked by need help 
Physics
Two displacement waves are added resulting in constructive interfernce and these waves have the same period T = 1.00 s are described mathematically by: y1 = (3.0 m) cos[ 2ðt/T + ð ] y2 = (1.00 m) cos[ 2ðt/T + 2ð ] (i) What is the resultant displacement
asked by Emily 
geometry
in application problems, a horizontal line of sight is used as a reference line. an angle measured above the line of sight is called an angle of ____, and an angle measured below the line of sight is called an angle of depression.
asked by kaye 
Physics
Which of the following are not transverse waves? a) Wind (Airy) waves on the ocean. b) Water ripples in a small pool. c) Microwaves inside a microwave oven. d) Vibrations travelling on the string of a guitar. e) Radio waves travelling through space. f)
asked by Brandy 
physics
resistors of 30 ohms and 60 ohms are connected in parallel and joined in series to a 10 ohm resistor. the circuit voltage is 180 volts I need to find 1)the voltage of the parallel circuit 2)the resistance of the complete circuit 3)the voltage across the 10
asked by Nilan  please help 
physics
resistors of 30 ohms and 60 ohms are connected in parallel and joined in series to a 10 ohm resistor. the circuit voltage is 180 volts I need to find 1)the voltage of the parallel circuit 2)the resistance of the complete circuit 3)the voltage across the 10
asked by Nilan  please help 
Chemistry
What happens to the color of the FeCl2 when the equivalence point is reached?
asked by Anonymous 
English
Discuss any areas related to citing sources that you find confusing or difficult understand or apply. In your responses to others offer suggestions to help understand the issue.
asked by Jasmine 
math final studying
the distance between bases on a baseball feild is 90 feet.if 3 players hit home runs during a game and each runs around all 4 bases what is the total distance the player run?
asked by cat 
history
what la governor use state money to pay for world's fair
asked by daisy 
social studies
Who had the smoothest transition from communism
asked by jessica 
n
boys to girl ratio 5:4 if there was 27 students how many biys were there?
asked by Anonymous 
physics
if three resistances in parallel circuit are all equal, the total resistance is ___ the resistance of any on branch.
asked by Sushmitha 
Physiology
Suppose you were to grind up and homogenate a pancreas. Do you think it would be possible to isolate insulin from this hemogenate? ( Hint: remember that the pancreas is also an exocrine gland, producing pancreatic juice) Explain your answer
asked by Amy 
Trigonometry
The angle of elevation of the sun is 20 degrees. At the same time,how long is the shadow cast by a building 50 meter high?
asked by fakku 
math final studying
an architect is building a model of a tennis court for a new client. on the model the court is 6 inches wide and 13 inches long. an official tennis court is 36 feet wide. what is the length of the court?
asked by cat 
Chemistry
In chem lab we did an experiment with two rods, one that was martensite (one that made a thud sound) and the other austenite (one that made a ping sound). We put both of the rods in N2 and another time we put it in boiling water. Each time the rod would
asked by ChemGeek 
science
what allows water to change to all three states (liquid,gas,solid)
asked by amy 
english
Identify the indirect object in the following sentence: Fernando read Miguel a bedtime story.
asked by davis 
phys
An astronaut drops an object from rest (relative to the planet) on a planet alpha (having the same radius as of earth) from an altitude of one radius above the surface. When the object hits the surface its speed is 3.98 times what it would be if the same
asked by ayyashi 
english
What is the subject of the following sentence? Please help me figure this out! a. Please b. help c. me d. You (implied)
asked by davis 
Algebra
Austin is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices. Company A charges $104.00 and allows unlimited mileage. Company B has an initial fee of $65.00 and charges an additional $.60 for
asked by Rachal 
the American journey
1.why were immigrants and african americans hired to build the transcontinental railroad?A.they lived near the railroad?B.they were extremely skilled.C.they would work for very low wages.D.all of the above
asked by joe 
English
I'm finding it difficult to paraphrase (word by word) the poem "The Cruellest Month" by Eliot. I'll include it here in the hope you can have a look at it and help me rephrase it. 1) April is described as the cruellest month since it breeds (stirs/awakens)
asked by Henry1 
sew
When making alterations, as many alterations should be made when?
asked by lisa 
Chemistry
What is the freesing point for ethanol and methane
asked by Mariama 
math
a dollar bill has an area of 15.86 square inches. if a dollar bill is 2.6 inches long, how wide is t?
asked by charolette 
physics
for 2 metal bars with one twice as large as the other of same alloy, which produces longer wavelength? highest frequency? highest velocity?
asked by susie 
Chemistry
What is the freesing point for ethanol and methane
asked by Mariama 
geometry
Find the length of segment AG in the figure if the prism is 8 ft by 9 ft by 12 ft.
asked by molly 
Chemisrty
Temp c KBr 20 65 40 80 60 90 80 100 100 110 At 100 C, 10.5 g KBr/10gH2O = 105 g/100 g (just multiply the top and the bottom by 10 to give you 100 g H2O) B) Since the solubility at 100C is actually 110, no, it isn't saturated (105 is less that 110). C) Yes,
asked by Monster 
physics
If the initial velocity of the car in the previous problem (the car accelerates at 5.00 km/hr/s for 3.50 sec) is 22.6 km/hr, what is the final velocity of the car?
asked by Daniel 
Chemistry
Are these balanced and are my products correct? 3HNO3(aq)+Al(OH)3(s) = Al(NO3)3+3H2O(l) Na2CO3(s)+H2SO4(aq) = H2O(l)+CO2(g)+Na2SO4(aq) I just wanted someone to look this over and see if I did it right
asked by Monster 
math
The sides of a triangular lot are represented by x, 2x, and 3x + 2. Find each side if the perimeter is 362 feet.
asked by Kay 
biology
compare the size of a guard cell to the size of a chloroplast. does the guard cell have room for more chloroplast
asked by Anonymous 
Chemisrty
Calculate the amount of solute needed to make the solution .50kg of a 18% (m/m) KOH solution
asked by Monster 
business math
Greg will need $218,000.00 in 15yrs for college bills, how much does he have to invest today @8% compounded semiannually?
asked by vivian 
History
which of the followin was true of the Jusiciary act of 1801?
asked by Anonymous 
Business Math
Earl wants to retire to San Diego when he is 65, he is now 50. He will need $300,000.00, how much would he have to invest today @6% interest compounded semiannually to meet his goal?
asked by vivian 
phy 101
the velocity of a body performing simple harmonic motion is given as what
asked by chuksmezie 
physics
if one resistor is removed from a parallel circuit, the total current will 1) decrease b) increase c) remain the same and the current flowing through each of the remaining branches ____________________. removing one resistor makes total resistance greater.
asked by Sejul 
math final studying
a triangular road sign has a height of 8 feet and a base of 16.5 feet.how much larger in area is this sign than one with a height of 4 feet and a base of 8.25 feet?
asked by cat 
logic
I need help proving these arguments using rules of inference, please. (S>B) > (SvK) (Kv~D) ~ (H>S) ~S.W / ~H ~A > (B>~C) ~D > (~C >A) D v ~A ~D
asked by Elaine 
math
there is a water reservoir beneath a circular garden to supply a foutain in the garden.the reservoir has a 26inch diameter.the garden has a 12foot diameter. how much of the garden does not contain the waer reservoir?
asked by charolette 
chemistry
the human body obtains 2000 kj from a candy bar. if this energy were used to vaporize was at 100 degrees celcius, how much water in liters could be vaporized? ??(assume that the density of water is 1.0g/ml)
asked by brittney 
7/8 math
What is a trinomial(as opposed to binomials and mononomials)?
asked by Squid 
calculus
write it in the form of a+ib (1+i)^2 (1i)^3
asked by mimi 
Social Studies
Why do so many Asian countries speak English or French?
asked by Scott 
english
Which of the following pronouns shows possession? they  them  her  its
asked by davis 
math
Change the number sixteen to an improper fraction Change the number twentyeight hundredths written as an improper fraction, decimal, and mixed number.
asked by derrius 
science
what is conduction
asked by shely 
chemistry
i do not understand how to do these and i have a question on my test tomorrow on this stuff can someone explain to me how to do this? for each of the following molecules draw the lewis structure, determine the shape, determine the polarity, and determine
asked by brittney 
physics  need help
Resistors of 30 ohms and 60 ohms are connected in parallel and joined in series to a 10 ohm resistor. The circuit voltage is 180 volts. Find: the voltage of the parallel circuit the voltage across the parallel circuit the current through the 10 ohm
asked by Nilan 
physics
A 2.00 kg blob of Gak, moving at 4.0 m/s, strikes a motionless figure skater in the back and sticks. The skater, with the Gak on her back, glides off at 0.160 m/s. Calculate the skater’s mass.
asked by tj 
Ecology bio
What is meant by "high quality" and "low quality" litter? What impact does litter quality have on decomposition rates?
asked by Stephany 
science
Ok, your suppose to make a rule and I don't know what the answer is.. ok, the question is : If an object weighs x newtons, how much force is needed to lift it up?
asked by Emma 
calculus
calculate the area bounded between the parabola y=x2, the straight line y=(x/2)+2, line x=1 and the yaxis.
asked by rajiv n. 
college chemistry
Which is faster, a bullet with a velocity of 1100. feet per second, or Superman traveling at 1100. miles per hour? Provide the correct velocity for either Superman or the bullet in scientific notation with the correct number of sig figs. You must use the
asked by Mickelle 
Math
What is 42 + x = x^2? How do I solve for X? Thanks
asked by Shadow 
geometry
An observatory has the shape of a right circular cylinder topped by a hemisphere. The radius of the cylinder is 8 ft and its altitude measures 26 ft What is the approximate surface area of the observatory? Round to the nearest foot. Show all work to
asked by Nicey 
chemistry
A saline solution was prepared by dissolving 5.45 g sodium chloride to 96.77 g water. What is the concentration in weight percent for this saline solution?
asked by James 
chemistry
A solution was prepared by adding 0.5283 g of sodium hydroxide to a 50 mL volumetric flask. What is the concentration of sodium hydroxide in moles per liter?
asked by James 
chemistry
A solution was prepared by adding 0.5283 g of sodium hydroxide to a 50 mL volumetric flask. What is the concentration of sodium hydroxide in moles per liter?
asked by James 
math
what is 42 5/12 minus 27 7/12 equals
asked by red 
Physiology
Indicate whether the following would increase or decrease during exercise.? 1.activity of the sympathetic nervous system 2.urine FORMATION 3.vasodilation of blood vessels in the skeletal muscles 4. stroke volume 5.venous return 6.activity of the vagus
asked by ivy 
math
what is 42 5/12 minus 27 7/12 equals
asked by red 
physics
If three identical resistors are connected in series to a battery, the resistance of the combination will be ___ times the resistance of any one of the resistors.
asked by Nabil 
Geometry
A square is circumscribed about a circle. What is the ratio of the area of the circle to the area of the square? A. 1/4 B. 1/2 C. 2/π D. π/4
asked by Peter 
physics
A 50 ohm lamp and a 10 ohm electric iron are connected in series to a generator delivering 120 V. The current through the lamp and the iron is ___ The voltage ccross the lamp is ___ The voltage drop acrowss the iron is ___ How do I set these up? Thank you.
asked by Kriti 
chemistry
Using a pipet, 25 mL of a 0.1205 M HCl solution was placed in a 100 mL volu metric flask and the flask filled to the mark with water. What is the concentration of the new solution?
asked by James 
chem
How many grams of potassium permanganate (KMnO4) should be added to a 100 mL volumetric flask to prepare a 0.02505 M solution when the flask is diluted to the mark with water?
asked by Amber 
Physiology
Indicate the site of the following activity in the digestive system (mouth, esophagus, stomach, small intestine, large intestine, liver, gall bladder, pancreas). 1.breakdown of cholesterol by formation of bile acid 2. principal site of formation of folic
asked by ivy 
Physiology
Clotting disorders are common, complex and affected by a variety of medications or mechanisms. Match the mechanism to the description. a. coumarin b. EDTA c. aspirin d. factor VIII deficiency e. tissueplasminogen activator (TPA) f. heparin 1.inhibits the
asked by ivy 
science
What is the average velocity of the argon atoms in the gas phase at 75°F?
asked by Mike 
critical thinking
how can the concept of national identity both unite and divide people
asked by jamie 
math
Multiply in the indicated base 12 x 5 4 5 _________________
asked by Anonymous 
Physics
A conduction heat wave is caused to pass through a metal bar of average temperature Tmean = 38.0 ¢XC, altering its temperature sinusoidally with an amplitude of Ti = 3.00 ¢XC. The equation which gives the temperature, T(x,t), of the metal bar at any
asked by Matt 
Physiology
For discussion of endocrine disorders 1.Diabetes insipidus Hormone affected? Too much or too little? 2.Graves’ disease Hormone affected? Too much or too little? 3.Acromegaly Hormone affected? Too much or too little? 4.Addison’s disease Hormone
asked by ivy 
math
the base of a rectangular prism is congruent to the base of a pyramid. The height of the pyramid is 3 times the height of the prism. Which figure has a greater volume? Explain. I'm terrible with these kind of word problems. If you could explain that would
asked by audrey 
chemistry
list the five general chemcial reactions. for each one list the: reactants and its name products and its name and balance the equation then graph the results...
asked by HELP?? 
Physiology
Match the hormone or regulatory mechanism to digestive function.? a. Enterokinase b. gastrin c. intestinal cells of Cajal d. cholecystokinin e. CFTR f.enteric nervous system 1._______ this hormone contributes to the secretion of pancreatic juice 2._______
asked by ivy 
Special Education
What are the benefits of having an Intelligence Integration Training level 1 certificate?
asked by Marcia 
Physiology
Indicate the effect of the hormone on the response (increase, decrease, no effect)? 1.__________________ effect of secretion of insulin on blood glucose levels 2.__________________ effect of secretion of ADH on blood pressure 3.__________________ effect of
asked by ivy 
science
whats the reactant of 2,4D with ethanol
asked by maria 
physics
A hydrogen atom, when vigorously perturbed, can emit light with a frequency of 6.16 × 1014 Hz. When the same light from hydrogen atoms in a distant galaxy is observed on earth, the frequency is 5.21 × 1014 Hz. Calculate the speed at which the galaxy is
asked by Joan 
Math
Solve: y=3x+7 y=4x2
asked by Liann 
MATH
the base of a rectangular prism is congruent to the base of a pyramid. The height of the pyramid is 3 times the height of the prism. Which figure has a greater volume? Explain. I'm terrible with these kind of word problems. If you could explain that would
asked by audrey 
criminal justice
Prepare a 6–8 slide PowerPoint presentation that addresses the following questions: •What are some of the ways that organized crime impacts you and a community and/or city (of your choice) directly? (This element will account for 20% of your grade.)
asked by nancy 
Tables
How to do a table with fractions,decimals,and percents
asked by Brenda 
science
i had to make up an experiment for school. but my teacher said it wasn't an experiment. my hypothesis is that there is a relationship between divorce rates and teens school grades. how do i make this into an experiment. please help!
asked by Todd L 
MATH
make an inputoutput table for the equation y= x2 using the domain 0,1,2 and 3. Tell whether the table represnts a function. How do you do this?
asked by audrey 
geometry
you are to design, draw and label the dimensions of 3 boxes that will hold enough detergent to do 18 loads of laundry. Each scoop of detergent does one load. The size of the scoop is 3in.x2in.x2in. all work must be shown on the work page. At the bottom of
asked by Aaron 
physical
That's the best aneswr of all time! JMHO
asked by ZDdTtysKUWIZhG 
chemistry
Calculate the equilibrium constant for 2CH3OH(l)+3O2(g)>2CO2(g)+4H2O(l) by using standard reduction potentials?
asked by KAyla 
biology
do mutations form new or old genes????
asked by alexis 
geometry
Triangle ABC is a right triangle such that m angle B= 90 degrees. If AC= 12 and BC=9, what is the perimeter of triangle ABC ? round to the nearest tenth.
asked by Misty 
Physics
Suppose the stone is thrown at an angle of 32.0° below the horizontal from the same building (h = 49.0 m) as in the example above. If it strikes the ground 69.3 m away, find the following. (Hint: For part (a), use the equation for the xdisplacement to
asked by jim 
Math
the nature camp students are lunch at the lodge. They sat at an even number of tables. There were 5 students sitting at one table, and an equal number of students sitting at each of the other tables. How many students were sitting at each of the other
asked by Joe 
ENGLISH!!
is i a verb or noun?
asked by nicole 
Algebra 1a
What the answer for this? 3 more than the quotient of a number and 2
asked by Melissa 
Algebra 1a
What the answer for this? 3 more than the quotient of a number and 2
asked by Melissa 
math
A cooking pot used in the cafeteria weighs 64 pounds when it is filled with soup. How much would a smilar pot witha scale factor of 1/2 weigh when filled with the same soup? would you just do 64 divided by 2? If not then what do i do?
asked by audrey 
Calculus  Integration by Parts
Please help me solve this integration problem. I don't understand how to do it. Thank you! ∫e^(2x)*sin(2x)dx
asked by Emma 
meaning of a word(quick) thanks
Left unabated, obesity will surpass smoking as the leading cause of preventable death in America What is a another word for surpass
asked by Karan 
math
Given the following sets, select the statement below that is NOT true. A = {l, a, t, e, r}, B = {l, a, t, e}, C = {t, a, l, e}, D = {e, a, t}, E = {t, e, a}
asked by kozy 
English
Just a question. Can you say: She is going to be two in two days'time (or in two days) I'm going to Sicily in a month's time. Is "time" optional? Thank you
asked by Henry1 
chemistry
A quantity of 2.20 mol of CaCl2 are dissolved in 1.00 L of water. What is the freezing point of this solution at 1 atm of pressure?
asked by Anonymous 
chemistry
A quantity of 2.20 mol of CaCl2 are dissolved in 1.00 L of water. What is the freezing point of this solution at 1 atm of pressure?
asked by Anonymous 
Phy 131
A child operating a radiocontrolled model car on a dock accidentally steers it off the edge. The car's displacement 0.65 s after leaving the dock has a magnitude of 8.4 m. What is the car's speed at the instant it drives off the edge of the dock?
asked by MacBook 
economics
explain the importance of the following terms in the u.s. free enterprise system:a)profit motive, b)voluntary exchange, c)private property rights, and d)competition
asked by ivonna 
MATH!!!
A cooking pot used in the cafeteria weighs 64 pounds when it is filled with soup. How much would a smilar pot witha scale factor of 1/2 weigh when filled with the same soup? would you just do 64 divided by 2? If not then what do i do?
asked by audrey 
business
What are the 5 types of employment groups?
asked by Shannon 
Math
12 is what percent of 48
asked by Lauren 
Math
In a 1/2 mi relay, each runner runs 1/8 mi. How many runners are on the team?
asked by Jessie 
Algebra
The polynomial function is defined by f(x)=4x^4+2x^38x^5x+2. Use a calculator to find all the points (x,f(x)) where there is a local maximum. Round to the nearest hundredth.
asked by Rachal 
math
solve the equation for x. write the solution set . x2 + 12x = 0
asked by aj 
Chemistry
How many d electrons are there in MnO4? please explain.
asked by Bob 
Quantum Physics
A proton is confined in an atomic nucleus of size 2 fm. Determine the fundamental limit on the uncertainty of any prediction for the measurement of the momentum of the proton in the nucleus.
asked by Olivia 
SraJMcGinFrench
Sra sorry, the exercise was supposed to be in the past, the instructions were wrong, it should have said, tell what you did at the restaurant. So the teacher told me to put it in the past. Could you please look it over, thanks so much:) And sorry for the
asked by Sydney 
social studies
history of social studies in africa,britain and america
asked by helen 
English
Thank you very much. Could you check these sentences about the interior monologue. 1) The American psychologist William James coined the phrase “stream of consciousness” to define the continuous flow of thoughts and sensations that characterize the
asked by Henry1 
Math
Write the perfect squares that are greater than 70 and less than 120.
asked by Andrea 
Math
On Saturday, 124 customers went into the Sandwich Shop. Of those customers, 1/4 ordered the lunch special. How many customers ordered the lunch special?
asked by Jessie 
physics
A particle moves along the x axis. It is initially at the position 0.280 m, moving with velocity 0.080 m/s and acceleration 0.240 m/s2. Suppose it moves with constant acceleration for 3.10 s. (a) Find the position of the particle after this time. (b) Find
asked by John 
social studies
How did the Battle of Bunker Hill make the colonists more confident in declaring independence from Britain?
asked by Kellyy 
Math
If two number cubes are rolled, what is the probability of getting at least one even number?
asked by Christine 
Health
What is the main idea of the film "supersize me" and the reason of the movie
asked by Anwar 
speach esay : YOU ARE PRESIDENT OF ENGLISH LANGUA
speach esay : YOU ARE PRESIDENT OF ENGLISH LANGUAGE SOCIETY YOU HAVE BEEN ASKED TO GIVE A SPEACH TO THE MEMBERS OF YOUR SOCIETY ON ''THE IMPORTANCE OF HAVING GOOD ENGLISH''?
asked by SOLOMON 
math
1/2x+1/3x+1/4x+1/5x=77 whats x?
asked by sam 
math
solve the equation for x. write the solution set x2100x=0
asked by aj 
Math
Simply. 3 + 4(q + 3) + 4q
asked by Tiffany 
Health & Social Care
describe how you would communicate sensitive information to an individual knowing the information was likely to cause them distress
asked by S.Abraham 
math
John bought n objects, each costing n cents. The change he received from his $10 bill was less than $1 and consisted of only two denominations of coins. What was the minimum number of coins that John could have received?
asked by Diana 
Math Geometry
Geometry Question: Prove the symmetric Property for congruence of triangles. Given: ∆ABC≅ ∆DEF Prove: ∆DEF≅ ∆ABC
asked by Reigel 
calculus
Evaluate xy when x=57 and y=29
asked by Anonymous 
science
my daughter has a science project she is in 7th grade what should she do
asked by Jenifer 
Math
Hi, my name is Jane:). Math is my worst subject ever, so it surprised me how I'm in the advanced class! The teacher doesn't exactly explain things well and I'm not easily understanding the lessons. He told me if I don't turn in this packet we'll have
asked by Jane 
Physics of materials
Gaseous nitrogen has a density of 1.17 kg/m3 and liquid nitrogen has a density of 810 kg/m3. [The relative molecular mass of nitrogen is 28.0] What is the mean volume per nitrogen molecule in each case? What is the mean separation between nitrogen
asked by Francesca 
physics
three resistors of 10, 15, and 20 ohms are connected in parallel to a source of current. In which resistor is the current greatest How do I set this up?
asked by Katie 
algebra
(1.) Solve. Then graph ¡Á+8>2 The solution set {¡Á¡Á>blank} (2.) Solve. Then graph a+1¡Ü17
asked by sammyg 
algebra
Solve using the addition principle 2¡Á+3¡Ü¡Á+5 The solution set is {¡Á¡Á¡Ü blank }
asked by Faye 
physics
five resistors of 30 ohms each are connected in parallel across a 120 volt line. the combined resistance of the five resistors is ___ ohms. The total current in the circuit is ___ amperes. The current in each branch is ___ amperes. How do I set these up:?
asked by please help 
FRENCH
Another exercise. You just completed a month long family stay in Provence. Tell where you went and what you did, each week. Week 1: nous sommes allés à Provence, et nous avons traversé le Pont du Gard. Nous sommes allés à AixenProvence et nous avons
asked by Sydney 
Chemistry
What is the pH of a solution prepared by mixing 50.0 mL of 0.010 mol/L HCl(aq) and 50.0 mL of 0.010 Ca(OH)2(aq)? Assume the temperature is 25 degrees celsius, where Kw = 1.0 x 10^14 at 25 degrees celsius.
asked by iYeon 
Life orientation
In 1015 lines critically discuss 5 ways in which the human or enviromental problem impact on the community,provide relavant sources to support your claims.
asked by Gloria 
physics
inserting a resistor in series with a combination of two or more resistors in parallel will ___ the voltage across the parallel circuit
asked by Sejul 
Chemistry
What is the definition of Combined Gas Law? I can't find it in my book anywhere.
asked by Kevin 
riddles
what do you call twin boys?
asked by Lucy 
English/Grammar
Write several sentences describing a recent interaction with a friend or family member about personal finance or credit cards. Use at least five different pronouns in your sentences. Identify ALL pronouns by parenthesizing them. (I) recently had a talk
asked by Angelina 
Life Orientation
Discuss 5 ways in which the human or environmental problem xenophobia impacts on the community.
asked by Juliet 
Chemistry
What is the definition of GayLussac's law?
asked by Kevin 
math
9 divided by 1/6=??? I tried but I just couldn't get it!
asked by Jess 
phys
Find the acceleration due to gravity on a planet whose mass is four times the mass of Earth and whose radius is half the radius of Earth (g is the acceleration due to gravity on Earth).
asked by ayyashi 
math
24 divided by 4/5=??? I tried but i just could not get it.
asked by Jess 
home economics
Gear strategy has managed to improve the livelihood of the poor in south africa
asked by Anonymous 
science
how do hurricanes form?
asked by audrey 
algebra
during pratice a softball pitcher throws a ball whose height can be modeled by the equation h=16tsquared+24t+1 where h=height in feet and t=time in seconds. how lond does it take for the ball to reach a height of 6 feet?
asked by tenzing 
geometry
How do you go about drawing a 1/4 mile running track?
asked by AJ 
Physics
An astronaut takes a space trip to newly discovered palnet X. measurements from earth indicate that: Mx=3Me and Rx=2Re. What is the acceleration of gracity gx on this planet as a multiple of ge?
asked by anne 
math
factor the following trinomail w^189w^9y^5+14y^10
asked by john 
literature
how do i do an essay on supernatural forshadowing in julius ceasar's death.
asked by corterious 
Math
Simifly the product.3x^2a^2(2a^3 + ab  x)
asked by Mitchie