Questions Asked on
April 15, 2013

chemistry
What is the balanced formula for Solid iron 3 oxide reacts with hydrogen gas to form solid iron and liquid water?
asked by sarai 
English
1. Which of the following would not be a good strategy for delivering a speech? Make sure your presentation equipment is running properly. *Start talking over the audience to quiet them down. Use correct grammar and wellformed sentences. Look directly at
asked by Cassie 
ap chemistry
Rank the compounds CH3OH CH3CH2OH CH3CH2CH2OH in terms of increasing evaporation rate. 1. CH3CH2CH2OH < CH3OH < CH3CH2OH 2. CH3OH < CH3CH2CH2OH < CH3CH2OH 3. CH3OH < CH3CH2OH < CH3CH2CH2OH 4. CH3CH2OH < CH3CH2CH2OH < CH3OH 5. CH3CH2CH2OH < CH3CH2OH < CH3OH
asked by cheri 
Math
Rob colored 1/4 of a rectangle. What is another way to name 1/4?
asked by Quan 
chemistry (electrochemistry)
1) For the following electrochemical cell Cu(s)Cu2 (aq, 0.0155 M)Ag (aq, 1.50 M)Ag(s) write the net cell equation. Calculate the following values using standard potentials as needed. Eo cell and dGo for each
asked by Andrew 
Alg 1
What are the approximate solutions of 2x^2 x + 10 = 0 In working this, I came up with a negative (79) under the radical sign. Can I take the sq rt of a negative? my choices are: 2, 2.5 1.97, 2.47 2.5, 2 No solution I think it is no solution. Is this
asked by Jane 
chemistry
net ionic equations for Ca(NO3)2 +NaPO4
asked by chris 
Math
the ratio of circumference of a circle to its diameter is 22:7. what is the circumference of a curcle of the diameter 15.6m?
asked by Silvanus 
physics
A skier starts from rest at the top of a hill. The skier coasts down the hill and up a second hill, as the drawing illustrates. The crest of the second hill is circular, with a radius of 39.6 m. Neglect friction and air resistance. What must be the height
asked by Anonymous 
Physics
An electric space heater draws 15.5 A from a 120 V source. It is operated, on the average, for 4.0 h each day. (b) How much energy in kWh does in consume in 30 days? (c) At 11 per kWh, how much does it cost to operate the heater for 30 days?
asked by Billy 
Science
Some herbicides, such as 2, 4D are believed to make plant cells divide more rapidly than normal. Why would this kill plants? Why might this be dangerous to humans if it had the same effect on human cells?
asked by Josh 
chemistry
A current of 3.78 A is passed through a Pb(NO3)2 solution for 1.40 hours. How much lead is plated out of the solution?
asked by Andrew 
Physics
A 9 kg hanging weight is connected by a string over a pulley to a 5 kg block sliding on a flat table. If the coefficient of sliding friction is 0.2, find the tension in the string.
asked by Lex 
physics
In the sport of skeleton a participant jumps onto a sled (known as a skeleton) and proceeds to slide down an icy track, belly down and head first. In the 2010 Winter Olympics, the track had sixteen turns and dropped 126 m in elevation from top to bottom.
asked by Anonymous 
math
how to do pre algebra pizzazz page e 28
asked by drew 
math
An apple orchard has an average yield of 36 bushels of apples per tree if tree density is 26 trees per acre. For each unit increase in tree density, the yield decreases by 2 bushels per tree. How many trees per acre should be planted to maximize the yield?
asked by Brandi1234 
Chemistry
only one of each of the following pairs of reactants undergoes a reaction. Complete and balance the equation for the reaction that occurs. NaCl (aq) + BaCl2 (aq) > Na2SO4 (aq) + BaCl2 (aq) > NO3^ (aq) + OH^ (aq)+ Al (s) > CO3^2 (aq) + OH^ (aq)
asked by Melanie 
Programming in c++
Draw a flowchart and Write a program that asks the user to enter students grades. The program should stop reading when the use enters ‘*’. In addition, your program should print the number of students got each grade. The grades can be A, B, C, D, and
asked by alhan 
ap chemistry
Benzene is a hydrocarbon that is commonly used as a commercial solvent. However, it is carcinogenic; i.e., accumulations in the body can cause cancer. What is the vapor pressure of benzene at 29C? The normal boiling point of benzene is 80.0C and its
asked by cheri 
Trig
Solve the multipleangle equation. (Enter your answers as a commaseparated list. Let n be any integer. Enter your response in radians.) sec 9x = 2
asked by Ashley 
chemistry
What is the vapor pressure at 23 ¢ªC of a solution of 1.20 g of naphthalene, C10H8, in 25.6 g of benzene, C6H6? The vapor pressure of pure benzene at 23 ¢ªC is 86.0 mmHg; the vapor pressure of naphthalene can be neglected. Calculate the vapor pressure
asked by george 
Chemistry
calculate the minimum number of grams of C3H8(g) that must be combusted to provide the energy necessary to convert 3.36 kg of H2O from its solid form at 10.0°C to its liquid form at 80.0°C
asked by Jeff 
physics
In the sport of skeleton a participant jumps onto a sled (known as a skeleton) and proceeds to slide down an icy track, belly down and head first. In the 2010 Winter Olympics, the track had sixteen turns and dropped 126 m in elevation from top to bottom.
asked by Anonymous 
Geometry Part 2
Janine made a cylindrical vase in which the sum of the lateral area and area of one base was about 3000 square centimetres.The vase had a height of 50 centimetres .Find the radius of the vase.Explain your method you would use to find the radius .
asked by Karen 
Marketing, Business
Southern Alliance Company needs to raise $25 million to start a new project and will raise the money by selling new bonds. The company will generate no internal equity for the foreseeable future. The company has a target capital structure of 55 percent
asked by Managerial Finance 
Chemistry
A gas occupies a volume of exactly 500mL at STP. What would it occupy at exactly 70 degrees celsius and 400 mm of pressure?
asked by Lidia 
Maths
A bag contains 10 red marbles, 10 green marbles, 10 yellow marbles and 10 blue marbles. You reach into the bag and grab a marble, then reach into the bag and grab a second marble. The probability that the second marble is the same color as the first marble
asked by Ian 
math
what is 63% rounded to the nearest whole percent.
asked by meka 
Physics
When a man, who weighs 650 N, stands on a particular trampoline, its springy surface shifts downward 0.1 m. If he bounces on it so that its surface shifts downward 0.28 m, how hard is it pushing up on him?
asked by 
Geometry
The grade of a road or a railway road bed is the ratio rise/run, usually expressed as a percent. For example, a railway with a grade of 5% rises 5 ft for every 100 ft of horizontal distance. 1. The Johnstown, Pennsylvania, inclined railway was built as a
asked by Stacey 
Calculus
The Ehrenberg equation gives the relationship between the weight W (in kilograms) and the height h (in meters) of a child between the ages of 5 and 13 years old. a. Research to find the Ehrenberg equation. b. Find the relationship of a child of the height
asked by Deen 
geometry
A cone has a circular base, a perpendicular height equal to 21cm, and a semivertical angle of 30degrees. Calculate the slant height of the cone. Find the area of its base.(take pie to be 22/7)
asked by Londie munyai 
Physics
36.A 50.0kg block and 100kg block are connected by a string. The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between the 50kg block and incline is 0.250. Determine the change in the kinetic energy of the 50kg
asked by Noor 
Physics
When you put water in a kitchen blender, it begins to travel in a 6cmradius circle at a speed of 2 m/s. How hard must the sides of the blender push inward on 0.004 kg of the spinning water?
asked by 
english
1. hero:_____::actor:actress 2. police officer:______::conductor:orchestra
asked by Hayden 
Math
if the last digit of a weight measurement is equally likely to be any of the digits 0 through to 9.what is the probability that the last digit is greater than or equal to 5 ?
asked by kayla 
Finding the distance
Find the distance d(P1,P2) between the points P1 and P2 P1=(1,5);P2=(2,4) d(P1,P2)=
asked by Mary 
Algebra 2...
Each of the points on the graph represents the position of a rider on The Screamer. Draw a diagram of each rider's position on a unit circle and describe where the rider is. **********This is problem 838 from CPM. i need help...
asked by Anonymous 
Math
A container holds 12 red marbles, 10 blue marbles, and 14 green marbles. You will randomly select two marbles without replacement. Fill in the probabilities on each branch of the tree diagram. Use the boxes with the fraction bars already provided. Use
asked by Annie 
Science
1.You notice green scum floating on the surface of a pond. How can you tell whether these organisms are plants? 2.Explain, using an example how water may become polluted 3.Why is conservation important today? 4.Most people drive cars and heat their homes
asked by CONATY 
chemistry
Which of the following statements about proteins is true? The simpler an amino acid is, the more likely it is to be generated within the body. The source of a protein (mammal, fish, or poultry) has little effect on nutritional value. All of these are true.
asked by asap 
math
The figure below depicts a racetrack with ends that are semicircular. The length of the track is 880 ft (1/6 mi). Find l and r so that the area of the rectangular portion of the region enclosed by the racetrack is as large as possible. (Round your answers
asked by Brandi1234 
chemistry
how does an increase in pressure affect the following reaction? C2H2(g)+H2(g) C2H4(g)
asked by Anonymous 
Alg 1
The quadratic formula and the discriminat. The daily production of a company is modeled by the function p=w^2 + 75w  1200. The daily production, p, is dependent on the number of workers w, present. If the breakeven point is when p=0, what are the least
asked by Jane 
Physics
A satellite is orbiting the earth just above its surface. The centripetal force making the satellite follow a circular trajectory is just its weight, so its centripetal acceleration is about 9.81 m/s2 (the acceleration due to gravity near the earth's
asked by 
Mathematics
the perimeter of a rectangular field is 140m. If the length is increased by 15m and the breadth is decreased by 5m, the length will become 3 time the breadth. find the length and breadth of the field.
asked by Toni 
Chemistry
Give the equation for the base hydrolysis of methyl benzoate by KOH. What are the 2 types of molecules being formed in this reaction?
asked by Ashley 
ap chemistry
What amount of energy is required to com pletely ionize 26.9 grams of carbon atoms in the gas phase (C(g)) if the ionization energy of C(g) is 1086 kJ/mole? Answer in units of J
asked by cheri 
chemistry
A solution was prepared by dissolving 0.834 g of sulfur, S8, in 100.0 g of acetic acid, HC2H3O2. Calculate the freezing point and boiling point of the solution. (Use the table from the textbook.)
asked by george 
Chemistry
If a small stream of liquid A was strongly deflected by a charged object, liquid B was moderately deflected, and liquid C was weakly deflected rank the liquids in order of polarity. (Assume densities and charges are all equal.)
asked by Faith. (pls Help 
Physics
A 50g tennis ball is thrown with a velocity of 12 m/s. It strikes a wall and rebounds with a velocity of 10 m/s. a) What is the ball's initial and final momentum? b) what is the impulse on the ball? c) Thje ball is in contact with the wall for .10 second.
asked by Jack 
physics
A 2.4kg cart is rolling along a frictionless, horizontal track towards a 1.3kg cart that is held initially at rest. The carts are loaded with strong magnets that cause them to attract one another. Thus, the speed of each cart increases. At a certain
asked by Anonymous 
maths urgent
The sum of two opposite angles of a parallelogram is 150 degree .find the measure of each of its angles.
asked by anoynomous 
chemistry
An activation energy of 2.0 eV is required to form a vacancy in a metal. At 800¡èC there is one vacancy for every 10^4 atoms. At what temperature will there be one vacancy for every 1000 atoms?
asked by ali 
Chem 103
a piece of gold is heated to 100 degrees celsius. A piece of copper is chilled in an ice bath to 0 degrees celsius. Both pieces of metal are placed in a beaker containing 150 g of water at 20 degrees celcius. Will the temperature of the water be greater
asked by Anonymous 
stats
Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p. 1) n = 128, x = 93; 90 percent
asked by t 
Geometry Part 2
A highway makes an angle of 6 with the horizontal.This angle is maintained for a horizontal distance of 5 miles.To the nearest hundredth of a mile, how high does the highway rise in this 5 mile section?Show the steps you use to find the distance.
asked by Karen 
statistics
A specific study found that the average number of doctor visits per year for people over 55 is 8 with a standard deviation of 2. Assume that the variable is normally distributed. 1. Identify the population mean. 2. Identify the population standard
asked by Cam 
Chemistry
The number of moles of KMnO4 required to react with 5 moles of H2O2 in acidic medium is ?
asked by Clandestine 
U.S/history AP
he War of 1812 also called the second The war of American Independence or by its opponents the derisive 1 () . U.S.declared war on Britain because they did not recognize our neutrality and interfered with our freedom of the 2()shipping My answers
asked by joy 
precalculus
Solve 7 cos(2 theta) = 7 sin^2(theta) + 3 for all solutions 0 less than or equal to theta less than 2pi. Solve 7 sin(2 w)  4 cos(w) =0 for all solutions 0 le w lt 2pi
asked by marie darling 
Geometry Part 2
A forest ranger spots a fire from a 28 foot tower.The angle of depression from the tower to the fire is 11.To the nearest foot,how far is the fire from the base of the tower?Show the steps you use to find the solution.
asked by Karen 
k
Two wires parallel to each other and separated by a distance d carry different currents; they exert a force with magnitude F on each other. (a) The wires carry current in opposite directions. If the current carried by both wires is divided by five and the
asked by physics 
Enlglish
Scheherazade, supposedly the author of 1001 Arabian Nights, avoided execution by entertaining her husband, a king, each night with a new story. If he liked her tale, the legend goes, she was allowed to live for another day.Is this sentece correct... if not
asked by Tianna 
chemistry
What is the molality of a solution which contains 20.0 g of cane sugar, C12H22O11 dissolved in125g of water?
asked by george 
geometry
For a cone, if the radius was quadrupled and the slant height was reduced to one sixth of its original size, what would be the formula to find the modified surface area?
asked by Courtney 
calculus
A man 2m tall walks away from a lamppot at 1m/s. If te lampatop the post is 5m above the ground, how fast is te tip of is sadow moving? How fast is the length of his shadow changing?
asked by y 
English
1. This time only the members of Group One can answer the questions. 2. This time only the memvers in Group One can answer the questions. (Which preposition should I use? Can we use both prepositions? Which one is commonly used?) 3. Group One members only
asked by rfvv 
physics
A semitrailer is coasting downhill along a mountain highway when its brakes fail. The driver pulls onto a runaway truck ramp that is inclined at an angle of 19.0° above the horizontal. The semitrailer coasts to a stop after traveling 170 m along the
asked by Anonymous 
ap chemistry
Benzene is a hydrocarbon that is commonly used as a commercial solvent. However, it is carcinogenic; i.e., accumulations in the body can cause cancer. What is the vapor pressure of benzene at 29C? The normal boiling point of benzene is 80.0C and its
asked by Anonymous 
Physics
Vector A is described as having magnitude 7 and angle 30degress. Which is an equivaent statement of magnitude and angle of vector A? (Note: All angles are measured counterclockwise from xaxis.)
asked by Eaden 
life orientation
Name two community organization that are involved in giving redress to pollution
asked by mary duba 
Chemistry
In the reaction, K2Cr2O7 +14 HCl > 2KCl + 2CrCl3 + 3Cl2 + 7H2O how many moles of HCl act as reducing agent in balanced chemical equation?
asked by Clandestine 
ap chemistry
Use the ClausiusClapeyron equation to cal culate the temperature at which pure water would boil at a pressure of 434 torr. The heat of vaporization of water is 41276 J/mol at 100C. Answer in units of C
asked by cheri 
MAths
Consider a digital clock. The first time after midnight when the three digits are all prime numbers is 2:22 am. What is the last time before 10:00 am, when the three digits on the clock are all prime numbers? Details and assumptions If you determine that
asked by Ian 
stoiciometry (chemistry)
calculate the theoretical yield of Cu when 53.2g Cu2S react with oxygen. (balanced equation is CU2S+02>2Cu+S02) Please help me figure this homework out. I just dnt get how to get the theoretical yeild. I want to know to be able to do the rest right. Thanks
asked by lila 
Grammar
Rewrite the paragraph below, correcting errors in verb usage. (1) History books have learned us many facts about Sir Francis Drake.(2)Much of Drake's fame lays in his having sailed around the world.(3)What he done was amazing.(4)In 1577, sailing from
asked by Anonymous 
Physics
A pinball machine has a spring with spring constant of 125N/m. A 65g ball is placed on the spring and the spring is compressed 5cm. How far along the playing surface makes a 15 degrees angle with the horizontal? ignore friction. How to do this using
asked by Sash 
Poetry
"New World" by N. Scott Momaday. What might the three times of day represent?
asked by Anonymous 
U.S/history AP
1 .one of the ways that white southerners tried to keep blacks from voting.1st way they did this .This rule said that could only vote if your ancenstor voted in 1860.a.k.a. (MISSISSIPPI Plan). 2.as white southerners regained control of
asked by joy 
chemistry
The question I am having trouble with is: Scientists originally were uncertain whether the oxygen gas produced during photosynthesis came from CO2, H2O, or from both. How could radioisotope tracers be used to settle that question? Chemistry  DrBob222 6CO2
asked by Madison 
physics
A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional force (a nonconservative force) acts on her. The student has a mass of 74 kg, and the height of the water slide is 12.6 m. If the kinetic frictional force does
asked by Anonymous 
chemistry
Arginine vasopressin is a pituitary hormone. It helps regulate the amount of water in the blood by reducing the flow of urine from the kidneys. An aqueous solution containing 21.6 mg of vasopressinin 100.0 mL of solution has an osmotic pressure at 25 ¢ªC
asked by george 
chemistry
A solution was prepared by dissolving 0.834 g of sulfur, S8, in 100.0 g of acetic acid, HC2H3O2. Calculate the freezing point and boiling point of the solution. (Use the table from the textbook.)
asked by george 
geometry
ABCD is a quadrilateral with ∠ADC=∠ACD, ∠ACB=∠ABC and CD=7. If triangles ADC and ABC have perimeter 51 and 59, respectively, what is the value of BC?
asked by Ian 
physics
If only conservative forces are acting, total mechanical energy (KE + PE) is not necessarily conserved. True or False?
asked by kelsi 
Calculus 1A
I am so confused! The problem is: Verify the given linear approximation at a=0. Then determine the values of x for which the linear approximation in accurate to within 0.1. LN(1+x) ≈ x I found f(0) = 0 and f'(0) = 1 I have an equation: LN (1+x) (.1) < x
asked by Mary 
chemistry
Given the chemcal equation:2 Ca+O2>2 CaO,if 2 moles of CaO are formed in this reaction,then 2 moles of O2 must have reacted. True or False?
asked by Kimberly 
Life orientation
5 ways in wich the environmental/human factor impacts on the community
asked by Gomotsegang monama 
ecc
Arginine vasopressin is a pituitary hormone. It helps regulate the amount of water in the blood by reducing the flow of urine from the kidneys. An aqueous solution containing 21.6 mg of vasopressinin 100.0 mL of solution has an osmotic pressure at 25 ¢ªC
asked by george 
chemistry
A solution was prepared by dissolving 0.834 g of sulfur, S8, in 100.0 g of acetic acid, HC2H3O2. Calculate the freezing point and boiling point of the solution. (Use the table from the textbook.)
asked by george 
physics
For nonconservative forces, the work done does depend upon the path taken. True or False?
asked by kelsi 
algebra 1
Simplify using long division(please show work so I understand) 1.Divide (728x^2+4x^336x)by (x3) 2.Divide (8b^36) by (2b1)
asked by Jan 
Chemistry
a 20.0ml sample of HCL solution is placed in a flask with a few drops of indicator. If 30.0ml of a 0.240 M NaOH solution is needed to reach the endpoint, what is the molarity of the HCL solution?
asked by Ashleigh 
chemistry
Given the chemcal equation:2 Ca+O2>2 CaO,if 2 moles of CaO are formed in this reaction,then 2 moles of O2 must have reacted. True or False?
asked by Kimberly 
Chemistry
If a small stream of liquid A was strongly deflected by a charged object, liquid B was moderately deflected, and liquid C was weakly deflected rank the liquids in order of polarity. (Assume densities and charges are all equal.)
asked by Faith. (pls Help 
statistics
It takes approximately 15 minutes to code one record. How many personnel hours would be needed to code 1,424 discharges for the month?
asked by dee 
Mathematics
using the compound interest formula find the principal that will yield a compound interest of n$410 in 2 years at therate of 5 % per annum
asked by Toni 
algebra 1
x^24x21=0 how do you solve this
asked by li 
physics
The work done by nonconservative forces is equal to the total change in kinetic and potential energy. True or False?
asked by kelsi 
Macroeconomics
Graph the following aggregate supply and demand curves (be sure to draw to scale). Real GDP (in $ trillions) Price Level Supplied Demanded Increase / Decrease 100 4 16 110 10 15 140 14 12 200 15 6
asked by Richard 
Chemistry
If the molecule triglyceride underwent base hydrolysis, what 4 products would you obtain? Give the condensed formulas.
asked by Ashley 
us history
Why did Johnson request the Tonkin Gulf Resolution
asked by Bri 
Grammar
Rewrite the paragraph below, correcting errors in verb usage. (1) History books have learned us many facts about Sir Francis Drake.(2)Much of Drake's fame lays in his having sailed around the world.(3)What he done was amazing.(4)In 1577, sailing from
asked by Anonymous 
U.S/history AP
laws that kept white southerners in a superior position over Blacks.Many allowed "vagrant" black to be picked up and then their fine paid by a white who would then use them as labor until they had repaid the moneya type of economic
asked by joy 
Grade 12 Calculus
6. The forward motion of a space shuttle, t seconds after touchdown, is described by s(t) = 189t − t^3 , where " is measured in metres. a) What is the velocity of the shuttle at touchdown? b) How much time is required for the shuttle to stop completely?
asked by Fadak 
physics
A radio station on the surface of the earth radiates an EMwave with an average total power of 50 kilowatts. Assuming the transmitter radiates equally in all directions (not in real life), find the amplitudes Emax and Bmax detected by a satellite at a
asked by Dan 
Chemistry
Calculate the pH at the equivalence point when 50 mL of 0.098 M propionic acid is titrated with 0.340 M NaOH. I tried solving for the volume of NaOH and them using the total volume and then plugging it in to [H+][A]/[HA] and used the Ka value for
asked by Maddie 
science
Calculated how many grams of methane (CH4) are in a sealed 80 mL flask at room temperature (22ºC) and 780 mm Hg of pressure. Show all your work.
asked by bob 
Economics
A decrease in the income tax rate _Increases_____ the value of the multiplier? That was my answer. Increases?
asked by Linda 
Alg 1
Reasoning: The equation 3x^2 + bx + 3 = 0 has one real solution. What must be true about b? I think it is: b must be the same as 4(a)(c). What are your thoughts?
asked by Jane 
physics
A projectile of mass 0.817 kg is shot straight up with an initial speed of 25.5 m/s. (a) How high would it go if there were no air resistance? (b) If the projectile rises to a maximum height of only 9.14 m, determine the magnitude of the average force due
asked by Anonymous 
English
1. There are five pictures on the pages. Look at the picture on the left page in the middle.....Let's go clockwise. What are they doing? They are playing music together. 2. Let's go around clockwise. 3. Let's go round clockwise. (There happened an error in
asked by rfvv 
CALCULUS
A cat walking down the street at a speed of 1 1m/s passes 2 m from a post on which there is a lamp 6 m above the ground. How fast is the distance between the cat and the lamp increasing 3 s later?
asked by rim 
U.S/history AP
1)practice in the south of borrowing the money necessary to plant a crop against that future crop.The money was loaned at excessively high interest rates and kept most white and black southerners in perpetual debt. my answer 1croplien economy
asked by joy 
chemistry
At 1225 kpa, the temperature of a hot air balloon is about 500 degrees Celsius and is inflated to 200 cubic centimeters. Upon descending the pressure is decreased to 9 atm and 300 degrees Celsius. What is the new volume? Round to the nearest whole number,
asked by sarah a 
chemistry
Given the chemcal equation:2 Ca+O2>2 CaO,if 2 moles of CaO are formed in this reaction,then 2 moles of O2 must have reacted. True or False?
asked by Kimberly 
Pre Calc
simon goes to the playground to play on the swings. The length of each swing is 1.75m. What is the distance travelled on one swing, from max height to the next max height if the central angle of the swing is 1.4 rad?
asked by Dano 
physics
An object with a charge of +6.0 µC is 0.30 m from a second object and experiences an attractive force of 1.80 N. What is the magnitude of the charge on the second object? (µC = 1.0 × 106 C) (Answer: 3.0 µC) The answer is provided but I don't know how
asked by traevon 
Finance
Rick has a credit card that charges 19% interest compounded monthly. What is the true annual rate of interest for Rick's credit card?
asked by Anonymous 
math
Graph the function f(x)=61/(x+4)^2 using transformations. State: a.the domain b.the range c.the asymptotes i do not get this at all, i am totally lost! please help!!!
asked by jenny 
U.S/history AP
Segration laws passed in the south that replaced the BLack Codes after Recontruction.They separated Blacks(and many whites) were allowed to build homes on a small acreage and farm the land my answer Jim crow laws
asked by joy 
Math
Lois brought 6 gallons of milk for the soccer team they drank 10 quarts of the milk. How many quarts of milk were left over ?
asked by Isaiah 
chemistry
Given the chemcal equation:2 Ca+O2>2 CaO,if 2 moles of CaO are formed in this reaction,then 2 moles of O2 must have reacted. True or False?
asked by Kimberly 
chemistry
Name three sodium salts that produce weak bases in aqueous solution.
asked by alex 
physics
A wagon is being pushed by a small child along a sidewalk. If the wagon has a mass of 8kg, a coefficient of friction of 0.3 and is accelerating at 0.2m/s what force is the child applying
asked by Rosie 
Finance
You know that the aftertax cost of debt capital for Bubbles Champagne is 4.1 percent. Assume that the firm has only one issue of fiveyear bonds outstanding. The bonds make semiannual coupon payments and the marginal tax rate is 30 percent. a. Calculate
asked by elh009 
american literature
in the legend of sleepy hollow part of the exposition includes describing the legend behind.
asked by artesho 
Science  reproduction
Hey. Well ummm I have a very awkward question. You see, Me and my best friend were just thinking about what it would be like to be a snake. Then we talked about it. And talked and talked. And eventually we started talking about snake doing... Umm... You
asked by AngelWolfAssassin 
calculus
Suppose that x=x(t) and y=y(t) are both functions of t. If x^2+y^2=26 and dx/dt=−2 when x=1 and y=5, what is dy/dt? help??????
asked by june 
stats
Thirty random students took the final. If the sample mean was 86 and the standard deviation was 9.2 construct a 99 percent confidence interval for the mean score of all
asked by t 
ecc
A solution was prepared by dissolving 0.834 g of sulfur, S8, in 100.0 g of acetic acid, HC2H3O2. Calculate the freezing point and boiling point of the solution. (Use the table from the textbook.)
asked by george 
U.S/history AP
revivalist of the great Awakening.Younger,less prosperous,wanted predestination,no denominations,believed man was sinful and in a return to old religious ways. my answer Deism
asked by joy 
math statitics
The makers of the MAGNETIZER Engine Energizer System (EES) claim that it improves gas mileage and reduces emissions in automobiles by using magnetic free energy to increase the amount of oxygen in the fuel for greater combustion efficiency. Following are
asked by Tyra 
science
Electrical current generally increases as voltage increases. true false I think it is False..?
asked by Cassie 
algebra 2
Find two negative numbers such that the sum of their squares is 170 and twice the square of the first minus 3 times the square of the second is 95
asked by aaron 
soc
According to the text, which of the following theories reflects the understanding of a marriage as a relationship that provides, among other things, sexual companionship?
asked by Anonymous 
language arts & writing
My apartment has 2 bedrooms. My apartment has 1 1/2 bathrooms. a)comma b)and c)or d)but e)because
asked by melissa 
Math
I need to change this expression to postfix form. (12*A^22*A+31)/(4*A+6) I know how to do this except for the squaring part. I got stuck. This is my try. 12 A 2 ^ * 2 A *  31 + 4 A * 6 + / When I test this in a calculator, it gives different results.
asked by Sara 
life orientation
described the pratice of high risk sexual behavior amongs the adolescene
asked by bev 
Geometry Part 2
State whether the transformation of a Preimage and Image circles appears to be a rigid motion?Explain
asked by Karen 
5th grade math
I don't get it! /is 20 times 5/6 greater than or less than 20
asked by Sky 
Math
Suppose that you invest $6384 in an account that earns interest at an APR of 4.6%, compounded monthly. Determine the accumulated balance after 9 years.
asked by Maria 
Business Finance
Fjord Luxury Liners has preferred shares outstanding that pay an annual dividend equal to $6 per year. If the current price of Fjord preferred shares is $181, what is the aftertax cost of preferred stock for Fjord? (Round intermediate calculations to 4
asked by elh009 
chemistry quick homework help
A sample of Freon12 (CF2Cl2) occupies 2.507 x 101 L at 291 K and 2.518 x 102 kPa. Find its volume (in L) at standard temperature and pressure (STP).
asked by will.i.am 
Name
I have a project, and I'm doing an italian restaurant. I have to pick a name for my restaurant. I was thinking of calling it Little Italy, but isnt there a restaurant with that name?
asked by Celest 
calculus
Determine the maximum and minimum of each function on the given interval. a) = 2x^3 − 9x^2 ,−2 ≤ x ≤ 4 b) = 12x − x^3 , x∈ [−3,5]
asked by Alexandra 
math
Determine all the possible values of x where 0 deg is more than or equal to x and x is more or equal to 360 deg such that i'm not sure the solution, please correct it, sin x sec x  3 sin x = 0 the solution: sin x 1/cos x  3 sin x = 0 sin x  3 sin x =
asked by choi2463 
algebra 1
Choose the equation that could be used to find three consecutive integers whose sum is 99
asked by Montereus 
business communication
What suggestions would you offer a new employee to help them effectively communicate with your team and/or teams in your workplace when meeting facetoface, sending an email, and during a team meeting?
asked by cathy 
chemistry quick homework help
A gas occupies 359 mL at 501.4 Torr and 24.1 °C. When the pressure is changed to 441.8 Torr, what temperature is needed to maintain the same volume?
asked by will.i.am 
Jerry Mahura Secondary
Outline and explain the objectives of fencing a farmland
asked by Tumelo Tonyane 
Maths
Please help me. P and Q are two gun placements 1250m apart. T is a target. The angles TPQ and TQP are 73 degree 24' and 68 degree 5' respectively. Find the distance P to the target T.
asked by Shane 
Life orientation
Air pullution environmental or human factor that caeses ill health,accidents,crisis and disasters.
asked by Nombuso 
english
how to do i do good on a ela multiple choice comprehension test. like can you give me some tips?
asked by tom 
algebra 1
Simplify the rational expressions,if possible.State the excluded values,if any. 1.5x5/10x^225x+15 2.w^2+6w+9/2w^218
asked by Jen 
life oriantation
Identify and describe three environmental health hazards that cause ill health,crises and disasters
asked by Anonymous 
maths
Calculate the amount at a rate of rs 1200 per month.with effect from 1st august 2000 till 1st april 2013 at a rate of 11% interest per annum
asked by prashant 
Life orientation
Identify 5 practices in contravention of the basic conditions of employment act ?
asked by Charles malatjie 
Science
Describe how burning fossil fuels has created an imbalance in the carbon cycle.
asked by HELPMEASAP! 
Maths :(
41 different balls are drawn from a bag containing balls numbered 1,2,…,300. The probability that the number of odd balls drawn is larger than the number of even balls can be expressed as ab where a and b are coprime positive integers. What is the value
asked by Ian 
Life orientation
Idemtify 3 enviromental health hazards that causes ill health,accidents,crises and disaster within a community in South Africa and globally.include evidence that is current of the identified issues
asked by Gift 
language arts & writing
My apartment has 2 bedrooms. My apartment has 1 1/2 bathrooms. a)comma b)and c)or d)but e)because
asked by melissa 
health and wellness
what are some of the most important elements of health and wellness? explain your response in 150 300 words
asked by gail 
calculus
A water trough is 8 cm wie at the top, 50 cm wie at the bottom and 40 cm deep and 3 m long. Water is poured in at 1500cm ^3/s how fast is the water level rising when itis 20 cm deep?
asked by rim 
Science
Electrical current generally increases as voltage increases. true false I think this is true?
asked by Cassie 
science
Suppose we initially had n qubits in the state ψ⟩=∑x∈{0,1}nαxx⟩, on which we were going to perform Fourier sampling (i.e. perform Hadamard transform H⊗n and sample). Unfortunately, a clumsy lab assistant mistakenly applied X to one of the
asked by elviria 
chemistry
A 3.00 Liter tank containing 225 grams of oxygen gas was heated to 100 degrees C. How much pressure must the tank be able to withstand to avoid explosion of the tank?
asked by sarah a 
Algebra
Find the vertex, maximum or minimum,and if the concave is up or down. Y= 3x54x+241
asked by Samantha 
Chem
If a small stream of liquid A was strongly deflected by a charged object, liquid B was moderately deflected, and liquid C was weakly deflected rank the liquids in order of polarity. (Assume densities and charges are all equal.)
asked by Faith. (pls Help 
analogies
what are analogies? whats analogy for spread?
asked by storm 
math
A bag contains 5 green marbles, 3 yellow marbles and 2 red marbles. What is the probability of picking three green marbles from the bag without replacement?
asked by meoow 
Science
Why are some Protista able to move faster than others
asked by Anonymous 
Calculus
Convert the curve to an equation in rectangular coordinates: x=(t+2); y=2sqrt(t)
asked by Liz 
calculus
Find the center (h,k) and radius r of the circle with the given equation. 4(x+4)^2 + 4(y6)^2 = 324
asked by Quarie 
Maths
How many integer values x satisfy the inequality 2
asked by Ian 
Maths
A tower T is observed from two points A and B which are 240 metres apart. The angle TAB is found to be 57degree and the angle TBA is 78degree. Find the distance of the tower from A.
asked by Shane 
physics
In attempting to pass the puck to a teammate, a hockey player gives it an initial speed of 2.82 m/s. However, this speed is inadequate to compensate for the kinetic friction between the puck and the ice. As a result, the puck travels only onehalf the
asked by Anonymous 
l.o
name two community organizations that are involved in supporting or giving redress to ill health on water population
asked by sandile 
pre algebra
what is the simplest form ? 50x to the 4th over 12x
asked by jackson 
Geometry Part 2
A triangle has side lengths 10,15,and 7.Is the triangle acute,obtuse,or right?Explain.
asked by Karen 
Calculus
Light is absorbed when it passes through a glass window. If r% of light is absorbed by a glass with thickness w , then the percent of light that is absorbed by a piece of glass with a thickness nw of for any natural number n is modeled by the following
asked by Deeno 
Life orientation
In 1015 lines critically discuss 5 ways in which hiv/aids environmental problem impacts in de community.
asked by Sylverster 
Algebra
simplify and write in standard form (2p^2p)+(7p^4+P^3+2p)
asked by Joe 
Algebra 1
Give an example of an equation and its solution.
asked by Montereus 
Grade 12 Calculus
State the absolute maximum value and the absolute minimum value of each function, if the function is defined on the interval shown. {I CANNOT POST THE GRAPH SO CAN SOMEONE EMAll ME AT miss.a.parker at hot mail(. com) SO I CAN EMAIL IT TO THEM SO YOU CAN
asked by Alexandra 
Math
What is (a+b) to the third power?
asked by Carol 
Math
What is the probability that a multiple of two will occur with one roll of a twentysided die numbered from 120?
asked by meoow 
algebraic systems
ok, so im stumped on this bonus system. there is a hint that the prof. gave that said that all coefficients are 1 or 1. can someone do this and explain how you did it? a + b + c + d + e + f + g + h + k + m = 27 a – b + c + d + e + f + g + h + k + m = 23
asked by chris 
U.S/history AP
During french and Britsh fighting Washington declared that U.S.would not choose sides even though Hamilton wanted to support the British and Jefferson the French due to the FRANCOAMERICAN ALLIANCE. my answer Treaty of Alliance
asked by joy 
chemistry university
A 179 mL solution of a copper complex with a molecular weight of 491.9 g mol1 was made. The absorbance of the solution at 638 nm wavelength was 0.376 using a 1 cm cuvette. It is known that this copper complex has a molar absorptivity (extinction
asked by angela 
Chemistry
Write the name and chemical formula of an amphoteric ion.
asked by alex 
English
1. There are five pictures on the pages. Look at the picture on the left page in the middle.....Let's go clockwise. What are they doing? They are playing music together. 2. Let's go clockwise. 3. Let's go around clockwise. 4. She is digging the ground to
asked by rfvv 
Pre cal part 2
Simon decides to swing higher. If the distance travelled on one swing is 3.5 m what would be the central angle in degrees?
asked by Dano 
chem
A sample of sulfur hexafluoride gas (SF6) occupies a volume of 1.200 Liters at 7.067 x 101 oC. Assuming the pressure is constant, what will the final temperature be (in o C) if the volume is increased to 7.110 Liters?
asked by will.i.am 
English
Can someone check these questions, please? Thank you in advance In Shelley's Frankenstein, what are the traits that remind us of a Gothic novel? 2)Discuss the concepts of beauty and youth as portrayed by Lord Henry in chapter 2 of O. Wilde's The Picture of
asked by John 
Maths
Iam stuck.Please anyone help me. P and Q are two trees 490m apart beside a river. F is a flagpole on the other side of the river. If angle PQF=43 degree and angle QFP = 36 degree, Find the distance PF.
asked by Shane 
English
1. Her family is having a barbecue party. The person has put a piece of meat on the barbecue. A girl is carring some fish on the plates. 2. Each person is cooking meat on the barbecue. Her family is having a barbecue. That person is barbecuing some meat.
asked by rfvv 
Marketing
1. How should Cathay develop and market its global image without diminishing its local/regional identity as the Hongkong (and China) carrier? 2. Should cathay focus on China by attempting to develop it further or instead focus on the overall global
asked by wendy 
Math
A customer is buying a $100 drill and two $15 drill bit stes. The customer uses a $50 gift card for a portion of thier bill. How much cash will the customer pay (before taxes)?
asked by Natasha 
chemistry
Determine the mole fractions of both substances in a solution containing 36.0 g of water and 46.0 gof glycerin, C3H5(OH)3?
asked by george 
life orientation
Identify and describe 3 environmental health hazards that cause ill health,accidents,crises and or disasters within communities in South Africa and globally
asked by lebohang 
Grade 12 Calculus
Determine the absolute extrema of each function on the given interval. Illustrate your results by sketching the graph of each function. a) = − 4 + 3 , 0 ≤ ≤ 3 b) = − 1 , 0 ≤ ≤ 2
asked by jam 
Bio
How do Schwann Cells initiate Myelination and is Myelination only initiated by these cells. Does anyone have any websites where i can find this information. I am confused on how it initiates it.
asked by Rebekah 
math
how tall is a telephone pole if it cast a shadow 24 feet long
asked by Leia 
math
Determine all the possible values of x where 0 deg is more than or equal to x and x is more or equal to 360 deg such that i'm not sure the solution, please correct it and how to find the x value, 2 tan x  1 = cot x solution: (sec x 1)(sec x + 2) = 0 sec
asked by choi2463 
MATH
Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March
asked by TIM 
chemistry
determine the concentration of the salt water Express the concentration in both molarity in grams per liter
asked by Elihu 
math
what is the general term of this sequence 1,2,4,8....4096
asked by tshepo kobe 
U.S/history AP
welthy dutch settlers in New York. Given money and land to set up feudal system. my answer New Netherlands
asked by joy 
Math
What is the median, mode, range of 17, 47, 12, 13, 12?
asked by Thea 
Math
For a Normal distribution with mean, mu=2, and standard deviation, sigma = 4, 70% of all observations have values between x and y . (Round to 4 decimal places.)
asked by Jackie 
math
on the test had 50 items gertrude got 34 out of the first 40 correct. if she received a grade of 80% on the test how many of the last 10 did she have correct
asked by emanuel 
English
Discuss the society in Brave New World as a utopia. What should i make my thesis be??? Please help im so lost.
asked by Nancy 
Chemistry
A balloon contains 2000mL of helium gas at 300K what is the new volume in mL at 600K
asked by Ashley 
life orientation
discuss 5 ways in which the human or environmental problem impacts on the community
asked by njabulo 
food and nutrition
what are the steps in baking of cake?
asked by princess 
maths
argument for3+4i
asked by Anonymous 
Life orientation
In 1015 lines critically discuss 5 ways in which the hiv/aids environmental problem impacts on the community.
asked by Sylverster 
math
There are 100 runners, each given a distinct bib labeled 1 to 100. What is the most number of runners that we could arrange in a circle, such that the product of the numbers on the bibs of any 2 neighboring runners, is less than 1000?
asked by nima 
math
how many quarts are in a liter
asked by Garret 
maths
Solve for x: (x+1)/(x3)>0.
asked by anoynomous 
math
find the verticle, horizontal, and oblique asymptotes, if any, for the given rational function: g(x)=x^481/3x^29x I feel like such a dork becaue i have no clue how to do this, can someone please help me????
asked by sally 
Life orientation
In 1015 lines critically discuss 5 ways of hiv/aids which the environmental problem impact in the community.
asked by Sylverster 
ecc
Describe how you would make up3.2 g of a 5.00% aqueous solution of NaCl(i.e. find masses of the components that need to be mixed).
asked by george 
ecc
Describe how you would make up3.2 g of a 5.00% aqueous solution of NaCl(i.e. find masses of the components that need to be mixed).
asked by george 
Physics
A 200g box is moving on a table with velocity of 23m/s. There is a coefficient of friction of 0.032 between the table an the box. A force pushes the box for 1.2m which increases the velocity to 28m/s. Calculate the force that was applied. How do we solve
asked by Sash 
Grade 12 Calculus
Determine the velocity and acceleration as functions of time, t, for s(t) = 45t − 5t^2, where s(t) represents the distance as a function of time. (Hint: velocity and acceleration correspond to the first and second derivatives of the distance)
asked by alex 
Chemistry
3.00 g of H2 reacts with 200.0 g of AgCl. what is the yield?
asked by Jeff 
Grade 12 Calculus
Evaluate each of the following. Show all your calculations. a) f'(3) if f(x) = x^4 − 3x b) f' (−2) if f(x) = 2x^3 + 4x^2 − 5x + 8 c) f" (1) if f(X) = −3x^2 − 5x + 7 d)f" (−3) if f(x) = 4x^3 −
asked by mandy 
biology
i am researching an article and am having trouble understanding the title. can someone please explain to me in simple terms: Deficiency of a Betaarrestin2 signal complex contributes to insulin resistance. so what is a beta arrestin 2 signal complex?
asked by sara 
business communication
What do you consider to be the most important features of an effective communication? Explain your choices
asked by cathy 
Math
Given that the equation x^2(3x) has 3 real solutions of k, give the set of possible values for k.
asked by Ashley 
social studies
charlemagne did to make his empire large and better
asked by bello 
life orientation
discuss 5 ways in which the human or environmental problem impacts on the community
asked by njabulo 
math
a man sell two articles at the same price on one he earn 25% profit and on other he incures 25% loss overall he gets?
asked by vaidehi 
english
what is the pronoun and antecedent in this sentence. Scientists have tried to teach sign language to chimps, but Kaatu could not learn it.
asked by jill 
science
______________ can prevent some bacterial cells? 7th grade science please help meeeee ms sue help me please thanks
asked by lola 
Grade 12 Calculus
Determine the absolute extrema of each function on the given interval. Illustrate your results by sketching the graph of each function. a) f(x) = x^2 − 4x + 3 , 0 ≤ x ≤ 3 b) f(x) = (x − 1)^2 , 0 ≤ x ≤ 2
asked by james 
Grade 12 Calculus
Determine the maximum and minimum of each function on the given interval. a) = 2x^3 − 9x^2 ,−2 ≤ x ≤ 4 b) = 12x − x^3 , x∈ [−3,5]
asked by sam 
Italian American Foods
What are some common italianamerican foods? lasagna? chicken parmasean? pizza?
asked by Celest 
math
express the following as a single logarithm log2+log3+log4
asked by kathrine 
physics
the mass of the ball is 0.43kg and the weight of the player is 900N.the player is at rest.whAt is the normal force exerted on the exerted?
asked by Anonymous 
Transportation and Cargo Security
The need for transportation security in a global transportation industry.
asked by Lisa Ling 
Math
When you are adding variable with exponents, do you add the exponents too? What would ab2 + 2ab2 =
asked by Kelley 
life orientation
discuss 5 ways in which the human or environmental problem impacts on the community
asked by njabulo 
life orientation
discuss 5 ways in which the human or environmental problem impacts on the community
asked by njabulo 
SIGA
A slope measurement 858.25m and a slope angle of 4 degress.Find the horizontal distance
asked by SHEM 
Life orientation
In 1015 lines critically discuss 5 ways in which HIV/AIDS environmental problem impacts on the community.
asked by Sylverster 
Algebra 1
Solve for y=x5
asked by Emily 
Math
a group of students ate a whole pie each student ate exactly 1/5 of the pie how many students shared the pie
asked by Phillip 
Literature
Which of the following sentences is correct? (1 point) When the lions approach, the herd of buffalo run toward the river for safety. When the lions approach, the herd of buffalo runs toward the river for safety. When the lions approach, the herd of buffalo
asked by Rebekah 
ecc
Describe how you would make up3.2 g of a 5.00% aqueous solution of NaCl(i.e. find masses of the components that need to be mixed).
asked by george 
physics
how many sulfer molecules are in 1g of sulfer?
asked by Anonymous 
physics
what is the concept of pressure
asked by Anonymous 
science
______________ can prevent some bacterial cells? 7th grade science please help me.
asked by lola 
math
x 65 ft. ____ = _______ 3 ft. 39 ft.
asked by bianca 
Livingston High
61/3 =
asked by John