Questions Asked on
April 11, 2010

Physics
The range of human hearing extends from approximately 20 Hz to 20000 Hz. Find the wavelength of these extremes when the speed of sound in air is equal to 343 m/s.
asked by Lena 
physics
What is the linear speed of a point: a) on the equator, b) on the Arctic Circle (latitude 66.5 degrees N), c) at a latitude of 45.0 degrees N, due to the Earth's rotation? a relevant equation is v=rw, but I'm not sure how to apply it to the equation
asked by Alessandra 
Chemistry
Calculate the temp at which the reaction (2POCL3(g) > 2PCl3(g)+O2(g))would become spontaneous. Given: DH= +572kJ and DS= 179 J/K. Would the answer be 298 K? I found DG to be 518.658 kJ, and then plugged in all the values to DG= DHTDS. Or, should I ignore
asked by Anonymous 
ALGEBRA
What is the vertex of a parabola? How do you determine the vertex of the parabola?
asked by GGIFT 
Physics
The pressure gauge on a tank registers the gauge pressure, which is the difference between the interior and exterior pressure. When the tank is full of oxygen (O2), it contains 9.00 kg of the gas at a gauge pressure of 40.0 atm. Determine the mass of
asked by Tmurg 
math
Dana takes a sheet of paper, cuts a 120degree circular sector from it, then rolls it up and tapes the straight edges together to form a cone. Given that the sector radius is 12 cm, find the height and volume of this paper cone.
asked by hodna 
chemistry
what is the volume of 62.3 g of nitrogen gas at STP
asked by karen 
geometry
A triangle has a 56degree angle, formed by a 10inch side and an xinch side. Given that the area of the triangle is 18 square inches, find x.
asked by yadlay 
physics
How fast does water flow from a hole at the bottom of a very wide, 3.7 m deep storage tank filled with water? Ignore viscosity.
asked by Anonymous 
Calculus
The rate of growth of the profit is approximated by P'(x)=xe^(x^2) where x represents time measured in years. The total profit in the third year that the new technology is in operation is $10,000. 1.Find the total profit function 2. what happens to the
asked by Sarah 
math
Barbara knows that she will need to buy a new car in 4 years. The car will cost $15,000 by then. How much should she invest now at 10%, compounded quarterly, so that she will have enough to buy a new car? Round to the nearest cent.
asked by Dexter 
math
A counterclockwise quarterturn Q about the origin is applied to the point (x, y). What are the coordinates of the image point? Answer in the form Q(x, y) = (ax + by, cx + dy).
asked by yadlay 
managerial economics
A firm uses a single plant with costs C= 160 +16Q +.1Q2 and faces the price equation P= 96 – .4Q. a) Find the firm’s profitmaximizing price and quantity. What is the profit? b) The firm’s production manager claims that the firm’s average cost of
asked by J 
Social Studies
1.Why is " elastic clause' an appropriate name for Clause 18 of Section 8 of Article l? 2.Think about what it mean to "express" something. Which powers  delegated or implied  could also be referred to as expressed powers? Why? 1.Elastic Clause is the
asked by Shadow 
Chemistry
Which of the following is an exothermic process? ice melting boiling soup water evaporating condensation of water vapor mixing ammonium thiocyanate and barium hydroxide and witnessing a temperature drop I'm torn between ice melting and the last one.
asked by Anonymous 
Advanced Accounting
Estimated and Actual Goodwill Passion Company is trying to decide whether or not to acquire Desiree Inc. The following balance sheet for Desiree Inc. provides information about book values. Estimated market values are also listed, based upon Passion
asked by Tina 
physics
A father pulls his young daughter on a sled with a constant velocity on a level surface through a distance of 10 m, as illustrated below. If the total mass of the sled and the girl is 35 kg and the coefficient of kinetic friction between the sled runners
asked by Anonymous 
math/geometry
Jamie rides a Ferris wheel for five minutes. The diameter of the wheel is 10 meters,and its center is 6 meters above the ground. Each revolution of the wheel takes 30 seconds. Being more than 9 meters above the ground causes Jamie to suffer an anxiety
asked by sally 
geometry
A segment that is a units long makes a Cdegree angle with a segment that is b units long. In terms of a, b, and C, find the third side of the triangle defined by this SAS description. You have done numerical versions of this question. Start by finding the
asked by sally 
geometry
Find the third side of a triangle in which a 4.00inch side and a 6.00inch side are known to make a 56.0degree angle. Round your answer to three significant digits.
asked by hodna 
chemistry
the reaction of aluminum metal (Al) with oxygen (O2) forms Al2O3. What is a balanced equation for this redox reaction. What are two half reactions to show how many electrons are gained or lost by each species?
asked by cathy 
Chemistry
The molecules water (H2O) and methane (CH4) have similar masses, but methane changes from a gas to liquid at 161 degrees C. Water becomes a gas at 100 degrees C. what could account for the difference?
asked by Jack 
Chemistry
Calculate the pH at the equivalence point of 25.0 mL of a 0.100 M acetic acid, CH3COOH, titrated with a 0.100 M sodium hydroxide, NaOH. Ka of acetic acid is 1x10^5
asked by Anonymous 
physics
A 40cm diameter wheel accelerates uniformly from 240 rpm to 360 rpm in 6.5s. How far (linearly) will a point on the edge of the wheel have traveled in this time?
asked by Lilith 
physics
If the angular quantities θ,ω,α were specified in terms of degrees rather than radians, how would the kinematics equations for uniformly accelerated rotational motion have to be altered?
asked by Charlie 
math
Solvefor y: x2 = a2 + b2 − 2aby
asked by sally 
vector
For any two numbers a and b, the product of a−b times itself is equal to a2−2ab+b2. Does this familiar algebraic result hold for dot products of a vector u − v with itself? In other words, is it true that (u − v) • (u − v) =
asked by sarah A 
chem101
if 23.74ml of 0.01470M NaOH are required to completely neutralize 25.00ml of gastric juice,calculate the concentration of the hydrochloric acid[in g/L]in stomach gastric juice
asked by kabelo 
math/trig
What graph is traced by the equation (x, y) = (5sin 12t , 6−5 cos 12t)?Think of another equation that will produce the same graph. Use your calculator to check.
asked by sally 
Chemistry
What is the purpose in calculating formal charges? What physical forces create the three dimensional structure of a molecule?
asked by Johannie 
Physics
your friend says that the equivalent (combined) resistance of resistors connected in series is always more than the resistance of the largest resistor. Dou you agree?
asked by Don 
Math
Devon’s bike has wheels that are 27 inches in diameter. After the front wheel picks up a tack, Devon rolls another 100 feet and stops. How far above the ground is the tack?
asked by Johny G12 
AP Chemistry
Consider ammonia, what is the pH of a buffer solution prepared by adding 15.0 g of ammonium chloride to 5.00L of 0.200 M ammonia? ( the K for NH3 is given to me 1.80 x 10 to the power of 5)
asked by Yamani 
math
A gardener measures the tallest of his prizewinning sunflowers and finds that the height is 60 in. The sunflower was 52 in. tall the last time the gardener measured it.
asked by jim 
chemistry
how many moles of solute are contained in each solution? 250 mL of a 0.55 M NaNO3 solution? 145 mL of a 4.0 M HNO3 solution? 6.5 L of a 2.5 M HCl solution?
asked by cathy 
Trignometry pls help
1. The radius of the circumscribed circle of the triangle ABC is 15 cm. Given that B is a 49degree angle, find the length of side AC. 2. The radius of the circumscribed circle of the triangle ABC is r cm. Given that B is a âdegree angle, find the length
asked by Sally K 
college
American Tire and Rubber Company sells identical radial tires under the firm's own brand name and private label tires to discount stores. The radial tires sold in both submarkets are identical, and the marginal cost is constant at $10 per tire for both
asked by vvbnv 
science
Even if you didn't know these were cities of the US, how could you tell from the temperature curves that they were all in the northern hemisphere?
asked by Anonymous 
Physics
Suppose at a concert a singers voice is radio broadcast all the way around the world before reaching the radio you hold to your ear . How long does this take . __ seconds I don't understand thisss ! Help me !
asked by Grace 
math
Attendance records at a school show the number of days each student was absent during the year. The days absent for each student were as follows: 8 2 4 3 2 7 6 0 9 3 3 4 2 4 6 Create a dot plot for this data
asked by KiKi 
math
Given a vector u, the familiar absolutevalue notation u is often used for its magnitude. Thus the expressions u•u and u2 both mean the same thing. What exactly do they mean?
asked by sarah A 
physics
a rock group is playing in a club. Sound emerging outodoors from an open door spreads uniformly in all directions. If the decibel level is 70 dB at a distance of 1.0m from the door, at whiat distance is the music just barely audible to a person with a
asked by Teah 
Economic
A Giffin good is not correctly described by which of the following? A)A Giffin good must be an inferior good. B)A Giffin good must be such that the income effect and the substitution effect move in opposite directions, and the income effect outweighs the
asked by Dina 
Physics
Dolphins of the open ocean are classified as Type II Odontocetes (toothed whales). These animals use ultrasonic "clicks" with a frequency of about 54.9 kHz to navigate and find prey. a. Suppose a dolphin sends out a series of highpitched clicks that are
asked by Jon 
Trig
Find all solutions w between 0 and 360, inclusive: (a) cosw = cos(−340) (b) cosw = sin20 (c) sinw = cos(−10) (d) sinw < − 1 2 (e) 1 < tanw
asked by Sally K 
6th grade science
what are 2 examples of organisms interacting with abiotic factors in the Mono lake ecosystem?
asked by Linda 
physics
A person exerts a force of 45.0 N on the end of a door 84.0 cm wide. What is the magnitude of the torque if the force is exerted: a) perpendicular to the door, and b) at a 60 degree angle to the face of the door?
asked by Lilith 
Calculus
The rate of growth of the profit is approximated by P'(x)=xe^(x^2) where x represents time measured in years. The total profit in the third year that the new technology is in operation is $10,000. 1.Find the total profit function 2. what happens to the
asked by Sarah 
Calculus
The rate of growth of the profit is approximated by P'(x)=xe^(x^2) where x represents time measured in years. The total profit in the third year that the new technology is in operation is $10,000. 1.Find the total profit function 2. what happens to the
asked by Sarah 
calculus II
(A) 2 students are sharing a loaf of bread. Student A eats half of the loaf, then student B eats half of what remains, then student A eats half of what remains, and so on. How much of the loaf will each student eat? (B) 2 students are sharing a loaf of
asked by Harold 
Chemistry
If you add 2.50 mL of .150 M HCl to 100 mL of a buffer consisting of .100 M CH_3COOH and .200 M CH_3COONa, what will be the change in pH? (Ka of CH_3COOH is 1.7 x 10^5).
asked by Jason 
geometry
if two cones are similar and the ratio between the lengths of the radii is 7:3, what is the ratio of their surface areas
asked by viri 
Math
The four bases of a baseball diamond form a square 90 feet on a side. The shortstop,S, is in a position that is 50 feet from second bases and forms a 15 degree angle with the base path as shown. Find the distance between the shortstop and first base to the
asked by Joline 
geometry
The perimeter of a triangle, its area, and the radius of the circle inscribed in the triangle are related in an interesting way. Prove that the radius of the circle times the perimeter of the triangle equals twice the area of the triangle.
asked by sarah A 
Grammar
In the sentence "Yellowstone National Park is one of the largest national parks in the U.S." is the prepositional "of the largest national parks" modifying "one"? If so, is the prep phrase being used as an adjective or adverb. I say "adverb" because "is"
asked by Susan 
Physics
A baseball thrown at 25.0m/s strikes a catcher's mitt and slows down to rest in 0.500 s. What is the magnitude of the ball's acceleration? I'm having trouble finding the process of figuring out this question. Help?
asked by Sioraf 
Finance
What's the net present value (NPV) of this replacement project? The old equipment has a book value of $200,000 (year 0) and a current salvage value of $300,000 (year 0). It is being depreciated on a straightline basis. It has four more years of
asked by Herb 
Macroeconomics
suppose that this year's money supply is $500b, nominal gdp is $10trillion, and real gdp is $5trillion, what is the price level and velocity of money? and if velocity is constant and the economy's output rises by 5% per year, what will happen to nominal
asked by Liyyah 
chemistry
Which would produce greater number of moles of product: a certain amount of hydrogen gas reacting with oxygen gas to make water, or the same amount of hydrogen gas reacting with nitrogen gas to make ammonia? Why?
asked by tay 
physics
Two masses, m1= 1 kg and m2 = 2kg, collide. the first mass has a velocity of .95 m/s east, then 50 degrees NE. The second mass is stationary and then moves off 40 degrees SE. What are the velocities of the two masses after the collision?
asked by lisa 
HUM/205
I need help with an exhibit about early Chinese and Japanese civilizations
asked by Felisha 
physics
A .7m diameter wheel accelerates uniformly from 160rpm to 280rpm in 4.0s. Determine: a)it's angular acceleration, and b)the radial and tangential components of the linear acceleration of a point on the edge of the wheel 2.0s after it has started
asked by Lila 
Algebra college
The polynomial 0.041h0.018a2.69 can be used to estimate the lung capacity,in liters,of a female with height H,in centimeters,and age a,in years.Find the lung capicity of a 60year old woman who is 190 centimeters tall
asked by Terry 
calculus
A car is travelling at 90mph when its brakes are fully applied, producing a constant deceleration of 22 ft/sec2. Find the distance covered by the car before it comes to a stop. (Remember: 60 mph equals 88 ft/sec.)
asked by Garrett 
PHYSICS
What is the inductance of a coil if the coil produces an emf of 8.20 V when the current in it changes from 28.0 mA to +31.0 mA in 45.5 ms?
asked by JOSE 
PHYSICS
The magnetic field inside an airfilled solenoid 39 cm long and 2.0 cm in diameter is 0.85 T. Approximately how much energy is stored in this field?
asked by JOSE 
8th grade
what was the ultimate result of Zheng Hes voyages of discovery in the 1400?
asked by paul 
accounting
A company uses a sales journal, purchases journal, cash receipts journal, cash disbursements journal, and general journal. A perpetual inventory system is used. The following transactions were completed by the company during the current month of October:
asked by ZUHAL 
geometry
if two cones are similar and the ratio between the lengths of the radii is 7:3, what is the ratio of their surface areas
asked by viri 
Chemistry
If 0.433 mol of gaseous CS2 and 1.62 mol of gaseous H2 are reacted according to the balanced equation at 454 K and in a 40.0 L vessel, what partial pressure (atm) of gaseous CH4 is produced? CS2(g) + 4H2(g) > CH4(g) + 2H2S(g) Molar Mass (g/mol) CS2 76.143
asked by Luc 
physics
Suppose a record turntable rotates at constant angular velocity. a) Does a point on the rim have radial and/or tangential acceleration? b) If the turntable's angular velocity increases uniformly, does the point have radial and/or tangential acceleration?
asked by Vita 
economics
Explain using a diagram the effect of the sugar price rise on sales of bakery products.
asked by Sidney 
geometry
An isosceles triangle has two 10.0inch sides and a 2winch side. Find the radius of the inscribed circle of this triangle, in the cases w = 5.00, w = 6.00, and w = 8.00.
asked by Johny G12 
physics
In the frictionless apparatus m1=1.7kg a)What is m2 if both masses are at rest? b) How about if both masses are moving at constant velocity?
asked by kanesha 
chemistry
calculate [h3o] in solutions. 0.040 of HCl and 0.080 HOCl. 2. calculate OH for the solutions of 0.0063 ba (OH)2 and 0.0110 of BaCl2
asked by anonymous 
communication
Scholars agree that our basic emotions are happiness and anger. True or False
asked by Hannah 
algebra
how to identify property or rule used in (15+23)+7=15+(23+7)
asked by tianna 
math
T he weights (in pounds) of a group of high school students are listed below in a stemandleaf plot.
asked by Anonymous 
chemistry
Two aqueous solutions are mixed: 50.0 mL of 1.60×10−2 M H2SO4 and 50.0 mL of 3.75×10−2 M NaOH. what is the PH of the following solution?
asked by anonymous 
Math
Find the most general function f such that f′′(x) = 16 cos 4x .
asked by Garrett 
chemistry
What stoichiometric concentration of the indicated substance is required to obtain an aqueous solution with the pH} value shown below? aniline (C6H5NH2) for PH of 8.90
asked by anonymous 
communications
This is homework for communications class, and I'm not sure what the hell I need to do. I need to get a good grade, because I'm not doing to well. Please help. Here is what to do. Using I language Practice using I language. Use it at work, school, home
asked by marie 
Mat 116
substitution method 7x +9y= 19 x=255y ___________ 7(255y)+9=19 17535 +9=19 175 175 _______________ 26y= 156 y=6 substitute for x x=255y x=255(6) x=2530 x=5 now substitute 7x+9y=19 7(5)+ 9(6)=19 30+56=19 19=19 his part is wrong I believe
asked by Robin 
Economics
Multiple choice 1. If the friend offers to pay you $1 five years from today, the net present value will: A)be higher than $1. B)depend upon the interest rate offered. C)be equal to zero since you don't have the dollar. D)not be important in understanding
asked by Dina 
Circle geometry!
A circular tunnel, 20 m in diameter is blasted through a mountain. A 16 m wide road isto be constructed along the floor of the tunnel. What is the maximum height of the tunnel to the nearest meter?
asked by Anonymous 
Chemistry
Calculate the average translational kinetic energy (kJ/molecule) for a molecule of NH3 at 431 K, assuming it is behaving as an ideal gas. I understand how to figure out the kJ/mole, but I don't understand how to get the kJ/molecule that this question is
asked by Luc 
Social Studies
1.Do you think the special powers of the Senate or those of the House of Representatives are more important? What is this question asking me? It is asking me who power do I think is more important between the Senate and the House of Representatives? Thanks
asked by Shadow 
chem
The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN) has an absorbance of 0.520. If a trial's absorbance is measured to be 0.275 and its initial concentration of SCN– was 0.00060 M, the
asked by Adam 
Physics
Suppose at a concert a singers voice is radio broadcast all the way around the world before reaching the radio you hold to your ear . How long does this take . __ seconds I don't understand thisss ! Help me !
asked by Grace 
PHYSICS
What is the inductance L of a 0.40 m long airfilled coil 3.2 cm in diameter containing 10,000 loops?
asked by JOSE 
Algebra
Solve the system of equation by graphing. Then classify the system. 3x + y = 4, 4x + 5y = 24. Solution: Infinitity many solutions, no solution, System inconsistent/ consistent, Equation dependent/ independent.
asked by B.B. 
chemistry
two solutions are mixed: 100.0 mL HCl(aq) with p 2.20 and 100.0 mL of NaOH}(aq) with pH} 11.20. What is the pH} of the resulting solution?
asked by anonymous 
Calculus
"Evaluate the following indefinite integrals: "S" (3x^2 2)/(x^3  2x + 1)^3 dx" We're practicing the substitution rule, and I know how to do it, but I don't know what/how to substitute in this question. btw: "S" is the integral sign.
asked by Stuck 
College Algebra
How do you solve L=2.43*9.0^0.3326 to get the wingspan of a pelican in feet?
asked by Bobbie 
History
I don't understand why the US's aid to China during the Chinese Civil War was considered to be wasted. Why would that be?
asked by Montana 
math
to change a fraction to a percent first write the______equivalent of the fraction parallel unit price rate isosceles decimal
asked by Anonymous 
geometry
if two cones are similar and the ratio between the lenghts of the radii is 7:3, what is the ratio of their surface areas
asked by viri 
math
Solve x^2+2x4=0 When i try to factor this problem out I cant get it to work. Is this a no solution problem
asked by jen 
trig
Verify the Identity: sec(x/2)=the square root of (2 tanx/(tanx sinx))
asked by Tina 
History
The US sent aid and assistance to China, much of it beig wasted by BLANK. When General BLANK told Truman that the United States could not affect the results of the Civil SWar, America became less interested in supporting the nationalists. What could be the
asked by Montana 
chem101
a 0.1M NaOH solution has been prepared for you.Describe how you would prepare 1 litre of the same solution
asked by kabelo 
english
What must we do to truly understand ourselves?essay. please help me with changes if any are required in the following essay on the above topic. Understanding oneself is an ongoing process, one that occurs as we change – new jobs, marriage, become
asked by yatharth 
Chemistry
Compare the properties of elements and compounds. Give two examples of each, including one example that exists in the human body. Explain the atomic nature of one element and one compound found in human body.
asked by Ashlee 
chemistry
help balance this redox equation: HNO3 + Zn(s) NO(s) + ZnO ...i know i need H2O and possibly H+
asked by omar 
history
what do you think the European Union gives more attention to: promoting democracy in formerly Communist countries, growing the economy of the lessdeveloped countries, or environment?
asked by silkie 
Mat 116
what is the domain of p? p(x)=x²2+7 I do not know how to do this problem. Please help!
asked by Loren 
English
Understanding oneself is an ongoing process, one that occurs as we change – new jobs, marriage, become parents... The best and easiest way to understand our self is to figure out our likes and dislikes. In the future, this helps us to take decisions of
asked by Yatharth 
social studies
can someone help me find a website for this timeline, please. create a timeline tracking the following major themes/paradigm shifts in American history from the beginnings of the Cold war in 1945 to the end of the Cold war in the early 1900's
asked by dellaine 
Chemistry
Which will produce a decrease in entropy? dissolving sodium chloride in water dissolving oxygen in water sublimation of naphthalene is it the third option, sublimation?
asked by Anonymous 
geometry
An isosceles triangle has two 10.0inch sides and a 2winch side. Find the radius of the inscribed circle of this triangle, in the cases w = 5.00, w = 6.00, and w = 8.00. And Write an expression for the inscribed radius r in terms of the variable w , then
asked by Johny G12 
UOP. PSY210
"What is the biomedical approach as well as the psychodynamic, humanisticexistential, behavior, and cognitive approaches to psychotherapy. How do they work with and explain four essential characteristics:" AxiaCollege, UOP PSY210 Class) 1. Systematic
asked by Corinna 
chemistry
Given a sufficient supply of nitrogen gas, how many moles of ammonia gas will be produced from 10.8 moles of hydrogen gas?
asked by jhennel 
Algebra
a. The sales representative informs you that there are 56 houses for sale with two floor plans still available. Use x to represent floor plan one and y to represent floor plan two. Write an equation that illustrates the situation
asked by Ray 
social studies
If then clauses If an air mass originates over an ocean.... if an air mass originates over an continent... If a large body of water is cooler than the land next to it... If a large body of water is warmer than the land next to it...
asked by anna 
Grammar
What's an consonant?
asked by Gary 
Ecology
Menge and colleagues performed experiments in which they exposed some populations of mussels to sea stars and excluded sea stars from other mussel populations. Suppose that the sea star population consists of 20 individuals and the two populations of
asked by Hannah 
Math
Could someone please help me with this. I am confused. Math is a weak point for me. Solve the system of equations by graphing. Then classify the system. 9x6y=30, 6x9y= 30. The solution is? Consistent or inconsistent, dependent or independent? How would
asked by B.B. 
Circle geometry
A chord is 6.0 cm from the centre of a circle of radius 10 cm. How long is the chord to the nearest tent of a centimeter???
asked by Anonymous 
chemistry
these are my three thermochemical equations 2Cu(s)+S(s) give Cu_2S(s) delta H 79.5 KJ S(s)+O_2 give SO_2(g) 297 KJ Cu_2S(s)+2O_2(g) give 2CuO(s)+SO_2(g) how i calculate standard enthalpy of formation in Kj per mol of CuO(s)? please don't give the answer
asked by mohd 
Business
How did U.S. manufacturers become vulnerable to offshore outsourcing
asked by Anonymous 
English
How does the the notion of colonization impacts on your postmodern or fluid notions of personal idenity?
asked by Anthony 
Chemistry II
The equlibrium constant Kc for the reaction: has the value of 4.00 at 500K. If a mixture of 1.00 mol CO and 1.00 mol H2O is allowed to reach equilibrium at this temperature in a 1.00L flask, calculate the equilibrium concentrations of each species in the
asked by curtis 
Chemistry
Calculate the temp at which DG for a reaction (with/ DH= 19.9 kJ/mol and DS= 55.5 J/kmol) will be equal to 0. Is the correct answer 358.56 K?
asked by Anonymous 
chemistry
Why will the pH of pure water at 25 degree celcius be equal to 7.0 ?
asked by Lizzy 
physics
A merry go round has a radius of 3.5 meters. How far does a child standing at the edge travel (path length) if the wheel is rotated 13.0 radians?
asked by nate 
PHYSICS
If the current in a 100 mH coil changes steadily from 25.0 A to 10.0 A in 375 ms, what is the magnitude of the induced emf?
asked by JOSE 
Mat 116
Solve the system by graphing 8x6=18 6y8x=18 divide 1 equation by 2 4x3y=9 divide 2 equation by 2 4x3y=9 this makes both equation dependent slope intercept of two equation 4x3y=9 3y=4x+9 this makes this consistent. Just helping if I can.
asked by Robin 
English
I have to write a poem based off "Stop being a chicken. Be yourself" And I can't think of something to write about. Do you have any ideas?
asked by Kelsie 
psychology
How much time and energy can you invest in making sure you aren't guilty of the fundamental attribution error or the selfserving bias?
asked by Boo79 
8th grade
what are large groups of stars, gas, and dust held together by gravity?
asked by risa 
Economic
The market for Good X can be depicted with the following demand and supply equations: Demand: P = 50 – 1/2Q Supply: P = 1/3Q Where P is price per unit and Q represents quantity in units. Policy makers plan on imposing a $1 per unit tax on this good.
asked by Dina 
Algerbra
imagine you are at a gas station filling your tank with gas. the function c(g) represents the cost c of filling the gas tank with g gallons. given the equation c(g)=3.03(g) A. what does the number 3.03 represent B.find c(2) C.Find C(9)
asked by Anonymous 
English
good title for a paper on traditional and online learning?
asked by Mary 
Chemistry
Hey guys I was wondering if you guys know the answer to this: Which of the following is NOT true of colligative properties? Colligative properties are... A. independent of the chemical identity of the solute. B. responsible for lowering the vapor pressure
asked by Alex 
Chemistry
Ok so you have 50mL of sucrose and 977mL of buffer solution  after equilibrium the concentration of sucrose is 0.48M  what is the concentration before hand? How do you do this??
asked by Sarah 
The Heart
What is the relationship between fitness level and recovery HR after submaximal exercise? I was thinking the more fit you are, the faster your HR will drop back to what it is when you're resting. If you're unfit, it'll take longer for that HR to go down
asked by Lena 
Anatomy (The Heart)
What is the relationship between fitness level and recovery HR after submaximal exercise? I was thinking the more fit you are, the faster your HR will drop back to what it is when you're resting. If you're unfit, it'll take longer for that HR to go down
asked by Lena 
Global History
Turning point of world war 2 and the causes of world war 2.
asked by Melanie 
Algebra 1
x+9y=8 (1) x=39y (2) x (39y)+9=8 3x 9y +9y=8 3x = 8 x= 2.6 Is this correct?
asked by Zack 
science
an unknown metal has a volume of 20cm^3 and a mass of 54g. Identify the metal
asked by Matthew 
HCA 210
CheckPoint: Interview a Health Care Professional · Post a 200 to 300word response to the following: Interview a health care professional and summarize his or her responses to the following questions: · · What are the educational, licensing, or
asked by Tine 
General Chemistry
if lead nitrate was added to sodium nitrate, how could one get the lead ions out of the sodium nitrate?
asked by Alex 
Chemistry
Is there an equation used to fond remaining pressure When CS2 at partial pressure 1930 torr reacts with H2 at partial pressure 8650 torr at constant volume and constant temperature according to the balanced equation, determine the partial pressure (atm) of
asked by Tokey 
Chemistry
Is there an equation used to fond remaining pressure When CS2 at partial pressure 1930 torr reacts with H2 at partial pressure 8650 torr at constant volume and constant temperature according to the balanced equation, determine the partial pressure (atm) of
asked by Tokey 
adult education
summarizes the processes of allergic reaction
asked by Anonymous 
Social Studies
I need help looking for an interview with Amelia Earhart, written or audio/visual, for a research paper. This is the last citation I need, and I cannot find a direct interview. Please help.
asked by Brittany 
Calculus
How can i find f''(x) of the function f(x)= 2(cosx)(sec^2x)
asked by lala 
mat/116 week 9 final exam
what is the like term of 11c+4d9c7d=
asked by micky 
business
) FIVE JOBS ARE SCHEDULED IN TWO MACHINES IN A MANUFACTURING SHOP. AL FIVE JOBS ARE TO UNDERGO PROCESSING IN BOTH THE MACHINES SEQUENTIALLY PROCESSING TIMES IN MINUTES JOB NO MACHINES1 MACHINE 2 1 4 7 2 6 3 3 2 3 4 7 7 5 8 6 A) IDENTIFY THE BEST SEQUENCE
asked by MANISH 
English
Name five of the six points you should check in practicing your speech.
asked by JamesMichael 
Mat 116
substitution method 7x +9y= 19 x=255y I read over all the problems I do not see any errors I can find. Please point this out! After this I have another problem 0.1
asked by Robin 
Precalculus
NEED HELP!! Find all numbers t such that cos^1 t = sin^1 t.
asked by jh 
Chemistry
which produces the greatest entropy increase? melting the solid heating the solid heating the liquid heating the gas vaporizing the liquid is it melting the solid?
asked by Anonymous 
physics
In the frictionless apparatus m1=1.7kg What is m2 if both masses are at rest
asked by Anonymous 
Management of Information Sy
Assignment: Hardware Replacement Project The IT department is implementing a new CRM solution to its corporate offices. The hardware currently in use is out of date and will not support the CRM application. The hardware must be replaced prior to
asked by Chris 
Chemistry
What is the pH of a solution in which 25 mL of .10 M NaOH is added to 15 mL of .10 M HCl? I have calculated the amount of moles of each, but I'm not really sure where to go from there. Thanks!
asked by Hannah 
Mat 116 Final
if linear graph shows 1 marked on y and the second mark is directly on 2x then the answer is m= 1/2
asked by Loren 
algebra
7r3s=18 3r+7s=16 Solve by the elimination method, please.
asked by Marty 
Mat 116 Final
x+3y=6 I did it like x + 3y = 6 ____________ x*(1) +3*(2) ?6 1 6 6 Also, (1,2) intercepts (3,6) Am I correct. If so. then solution for x = 1
asked by Loren 
business
How to write a 200  300 paper on the new product development phases on a new cleaning product
asked by linda 
Math
Solve for x: 3^(x+1)=2^x This is what I have so far... (x+1)log3 = xlog2 ...and now I'm stuck. Help plz? Thanks!
asked by Nikki 
Finance
ROI & NPV: wireless ordertracking system I need to identify the ROI and NPV of the wireless ordertracking system. Here is the information I have been given:  The acquisition cost is $35,000 paid at the time of installation.  It reduces the wait staff
asked by jackie 
calculus
If the graph of f passes through the point (1, 0) and the slope of the tangent line at(x, f(x)) is 4x − 3, find the value of f(2).
asked by Garrett 
calculus
FIND DISCONTINUITES OF F(X)=X+1/X^364
asked by QUEEN 
math
the______ relates to a price to some common unit parallel unit price rate isosceles decimal
asked by Anonymous 
algebra
(6a^3bc^5)(3a^4b^2c^3) simplify
asked by Chloe 
HCS/539
What advertising, publicity, and sales promotion tools might be combined to market a new health care product and service? Provide examples.
asked by DIANE 
calc
Consider a function f : {R}^2 \to {R}^2 for which f(4, 4) = (3, 3) and f{D}f(4, 4) = (5 4) (3 0)
asked by John 
math
Construct a boxandwhisker plot for the set of numbers. 348, 234, 146, 384, 247, 487, 276, 221, 303
asked by stacy 
Business
What is the net present value (NPV) of this replacement project? The old equipment has a book value of $200,000 (year 0) and a current salvage value of $300,000 (year 0). It is being depreciated on a straightline basis. It has four more years of
asked by Herb 
ETH
is it difficult to accurately measure prejudice?
asked by Ronnie 
History
According to Smedley Butler what the are reasons the US has intervened in countries like CUba, Haiti, Mexico, Nicaragua, the Dominican Republic, and CHina?
asked by Taylour 
social studies
How and why are hate groups protected by the constitution?
asked by Melanie 
history
Name one event during each decade 1950s, 1960s, 1970s, 1980s, and 1990s, which had an overriding influence on U.S. culture, economy, or governmental policy within that decade.
asked by susan marshall 
statistics
A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for their fathers. She has found that for the general population the distribution is skewed to the right, the mean degree of affection
asked by Anonymous 
physics
Using gauss's law,calculate the electricfield at a distance r=20cm from a point charge q=4microcoulomb.
asked by Ayodele 
Mat 116 Final
Is it true when the problem says solve x= then it is one number, or fraction. The test does say below where it is looking for an answer will say type integer, or fraction. Then I get myself confused when it says 7x = 56 I figured this is dividing 56 by 7
asked by Loren 
social studies
How should difficult issues like plagiarism be addressedand why would these techniques be appropriate?
asked by Angela 
Mat 116
0.5x+1
asked by Robin 
math
Conduct an interview to find out how someone else responds to the question, “Why is a negative number times a negative number a positive number?” Write a report describing your findings.
asked by kelly 
chem
) I need to convert water vapor pressure 2.3 cm of Hg into cm of H2O. Density Hg= 13.6 gm/cm3 and Density H20 = 1.0 gm/cm3.......
asked by gene 
college
The first class in a relative frequency table is 50–59 and the corresponding relative frequency is 0.2. What does the 0.2 value indicate?
asked by josh 
math
Find vertex, the line of symmetry, and the maximum or minimum value of f(x). f(x)= (1/4) (x+3)^2 +9
asked by jen 
French
Can someone please help me correct this? It's about restaurants and foods at my college. I'd really appreciate some help, thanks! Avant d'aller à l'université, j'ai mangé beaucoup d'aliments à Martinsburg, WV. Quand j'étais jeune, j'ai mangé les
asked by Sara 
4th grade
what's lists of Indian possession?
asked by tammy 
Travel and Tourism  NYC and Tokyo
What can local and national governments do to assist the tourism industry in both cities? I need some suggestions.
asked by AL 87 
Math
I do not understand how to decide which method would you use to determine whether this proportion is true or false? 19/6=4/27
asked by Bart 
PHYSICS!!
A 618 g sample of water at 73◦C is mixed with 478 g of water at 34◦C. What is the final temperature of the mix ture? Assume no heat loss to the surround ings. Answer in units of ◦C.
asked by Perla 
Mat 116
3/4x= 5/6 3/4 + 3/4= 5/6+ 3/4 x=  1/12 Is this right Please help!
asked by Robin 
business law
When the judge advisories juriors the rule of laws that apply to a case what is this called
asked by Anonymous 
English
On a Works Cited page, If I have 2 articles, they don't give an author name but says by: Associated Press and CNN Wire Staff, do I put that in the author place or do I skip that and start with the title. Thanks in advance.
asked by Sue 
math!
18 years and 6 months is 18.5 BUT is?: 18 years and 3 months = 18.3 or 18.4???
asked by Thara! 
General Math
A company had 66 fewer employees in July 2005 than July 2004. If this represents 5.5 percent of decrease, how many employees did the company have in July 2005?
asked by Michael Rawls 
science 7
1o plant based products used weekly. Classify them into plant for food and plant for fiber
asked by sally 
chemistry
what happens if you add more borax to a slime receipe
asked by DEBBIE 
Math
Design a rational function with the following characteristics: three real zeros, one of multiplicity 2; yintercept 1; vertical asymptotes x=2 and x=3; oblique asymptote y=2x+1.
asked by I Need Help 
algebra
Kayla wants to buy snack that weigh 1 kilogram How much she'll have to pay if she buy food in bulk. t=total price p=price per kilogram
asked by Elise 
chemistry
Why will the pH of pure water at 25 degree celcius be equal to 7.0 ?
asked by Lizzy 
Chemistry
why should heating a content containing Zn and HCl be heated in fume hood.
asked by Rita 
physics
The force produced by Earth's gravity on a 70 kg man standing on the moon is more than 0.5 N True or False?
asked by nate 
Literacy
Find three writing assignments and evaluate them based on the Six Trait Writing Rubric
asked by Anonymous 
Algebra 1
5 [54(9918)] 5[54 +99 +19] 5 [ 153+19] 5[172] 860 f(x)=2x²5x How can I simplify 860 to fraction? I know something like  860/100
asked by Zack 
Tokyo
I need to think of 5 strategies that Tokyo should do to solve the issues caused by earthquakes. any ideas?
asked by AL 87 
2nd grade
The main type of carbohydreat present in vegetable is as well as some and sugar
asked by Maggie 
Math
Determine all values of x and y, such that xy, x/y and xy are all equal.
asked by Mary 
math
Give the equation of the circle with center at (0, 2) and radius = 5
asked by Lori 
Grammar
What is the simple subject of this sentence "Behind the curtains, Devon was hiding from his sisters"
asked by Gary 
english
dangerous and overcrowded prisons could make it difficult for Mexico to put more narcotics smugglers behind bars under a $1.4 billion United States funded crackdown on drug trafficking experts say. paraphrased please..help need thanks
asked by mike 
algebra
Give the equation of the circle with center at (0, 2) and radius = 5
asked by Lori 
Ecology
Across various sites within the rainforest of Panama, different species of trees are found with little overlap among sites. Based on this species turnover, Panama’s rainforest is best described as having _______ diversity a) low gamma b) low alpha c) low
asked by Hannah 
Calc
lim 81x/9square root of x X>81
asked by Adam 
chem101
what is the function of an indicator in a titration
asked by kabelo 
Algebra 1
3+6x
asked by Zack 
Biology
We cut a slice of the target gene from the gel which ran electrophoresis. And then purified the gene from the gel by using GelM column, WN buffer and WS buffer. After these steps, we ran another electrophoresis of the purified gene and there was no band
asked by Holly 
College Algebra
Convert to decimal notation 5.268*10^8
asked by Terry 
physics
what is the most important element for creating a magnetic field. and why? Moving charges..... right?
asked by alex 
algebra
0.7x+2 less < than 1.5x5 Thanks for the help
asked by Terry 
chemistry
Explaain the effect of a decrease in pressure on the solubility of each type of solute in a liquid solvent: gas and solid?
asked by cathy 
matt/116
two angles are complementary. The sum of the measure of the first and the onefourth of the second angle is 62.25 degrees find the measures of the angle.
asked by tay 
5th grade
First Think of a database, then think what could happen if a record had a mistake in it
asked by Hishaam 
chemistry
Why will the pH of pure water at 25 degree celcius be equal to 7.0 ?
asked by Lizzy 
social studies
How do teams determine when a paper is good enough?
asked by Angela 
Economic
Outline the stated sirection of recent monetary policy in the U.S
asked by Sam 
English
I am still working on this poem. And I'd like to know ur opinion about it. Its a magic box poem. The magic box I will put in the box Hugs and kisses from my family The daylight brought from the sun and My parent’s blessings I will put in the box The
asked by Sara 
ALLENDALE HIGH
WHAT IS A PRONOUN
asked by DEE 
Grammar
What's the difference between a and an
asked by Gary 
Grammar
What is an simple subject?
asked by Gary 
chem
i forgot how to figure out percent composition, can anyone help me out?
asked by blue 
math
questions 2125 match one definition cmparing denominate numbers with different units is it parallel unit price rate isosceles decimal
asked by Anonymous 
math
a triangle is____if two angles have the same measures parallel unit price rate isosceles decimal
asked by Anonymous 
8th grade
what is 3x4*%+11cubed?
asked by imi 
business law
What is awarded in a civil trial?
asked by Anonymous 
social studies
what were the reasons for the atomic weapons in 1945? what impact did the advent of atomic weapons have on the course of American and world history?
asked by dellaine 
Mat 116
Solve using multiple principle. 7x=56 The solution x= 8 or x= 7(8)= 56
asked by Robin 
grammar
what does an simple predicate mean
asked by gary 
math
square root of 48a^2b
asked by jen 
economic
Outline the stated sirection of recent monetary policy in the U.S
asked by Sam 
Gen Chem
Ok, how about this one? A solution contains ammonium ions and calcium along with some anions, how would you separate the ammonium ions from the calcium??
asked by Alex 
Writing
What is the word to say when you don't know what to say?
asked by Gary 
General Math/Algerbra
New Car depricate an average of 28% in the first year of use. What would an $18,000 car be forth after 1 year?
asked by Michael Rawls 
math
lines are ____if they never intersect parallel unit price rate isosceles decimal
asked by Anonymous 
algebra 1
(1,3) and (2,4) is m= 1/2
asked by Zack 
American History
what were the elements of urban liberalism?
asked by Lou 
cjs 250
any references to the topic: can any target environment be perfectly stably or predictable?
asked by sasha 
7th grade
if you take apart 5x5x5 cube and build a pyramid with the same cubes, with each layer of the pyramid being a square and the top ending as a 1x1x1. How many tiers can you make?
asked by tia 
algebra
4(w3)=12, Help Please.
asked by bobby 
social studies
What were the findings of the Nye Committees?
asked by Lacy 
computers
First think of a database then think what could happen if a record had a mistake in it
asked by Hishaam 
education
what are some interruptive factors in a classroom?
asked by amanda 
crt /205
it taks someone with a really big heart to give to our charity, and you seem like someone who cares more than most. I'd like to know which fallacy that fits under
asked by tnkrbll 
Algebra II
I'm trying to factor this and I just can't figure it out. Help? r^4 s^4  81
asked by Nick 
social studies
how and why did the global influence of the U.S. and the Soviet Union change between 1946 and the end of 1962?
asked by dellaine 
University calculus
if g(x)=the integral sign (with sin(x^2) on top and 10 at bottom) (1+t) dt, find g'(sqr root pie/2)
asked by Sonia 
Solve and Graphing Inequalities
x>4, and 2x/6
asked by Michael Rawls 
math
7y49 / y7 _____ _____ 4 14y divide and simplify
asked by jen 
home economics
vegetable have a very high contentof
asked by Maggie 
chem
i forgot how to figure out percent composition, can anyone help me out?
asked by blue 
CJS 250
can any target environment ever be perfectly stable or predictable? why or why not?
asked by Sasha 
algebra 1
(1,1),y=x4
asked by bill