Questions Asked on
March 19, 2013

Algebra
Determine whether each sequence is arithmetic or geometric. Find the next three terms. 14, 19, 24, 29, . . . A.geometric, 34, 39, 44 B.arithmetic, 32, 36, 41 C.arithmetic, 34, 39, 44 D.The sequence is neither geometric nor arithmetic. I think this is C...?
asked by Cassie 
Chemistry
Which solution below has the highest concentration of hydronium ions? pH = 9.82 pH = 12.6 pH = 7.93 pH = 3.21 pH = 7.00
asked by DrewS 
Chemistry
The Keq for the equilibrium below is 5.4 × 1013 at 480.0 °C. 2NO (g) + O2 (g) ↔ 2NO2 (g) What is the value of Keq at this temperature for the following reaction? NO2 (g) ↔ NO (g) + 1/2 O2 (g) The Keq for the equilibrium below is 5.4 × 1013 at 480.0
asked by DrewS 
AlgebraB2
1. What are the coordinates of the vertex of the graph? Is it a maximum or minimum? 3. How is the graph of y = –2x2 – 4 different from the graph of y = –2x2? (1 point) 4. Graph the function. Identify the vertex and axis of symmetry.
asked by Jennifer W. 
Chem
How many grams of Ni would be electroplated if a constant current of 7.2 amperes is passed through a solution of NiSO4 for 90.0 min?
asked by George 
Arithmetic
A box in a college bookstore contains books, and each book in the box is a history book, an English book or a science book. If onethird of these books are history books and onesixth are English books, what fraction of the books are science books? A. 1/3
asked by Peltier 
Physics
A stretched string fixed at both ends is 2.0 m long. What are the three wavelengths that will produce standing waves on this string? Name at least one wavelength that would not produce a standing wave pattern, and explain your answer. I REALLY NEED HELP I
asked by Rubi Red 
Chemistry
A 30.0ml sample of 0.165 M propanoic acid is titrated with 0.300 M KOH. What is the pH at 5 ml of added base, at 10 ml of added base?
asked by Annie 
Chemistry
A coffee cup calorimeter contains 25.0 grams water at 23.8 C A 5.00g sample of an unknown metal at an initial temperature of 78.3 C was dropped into the calorimeter. The final temperature of mixture was 46.3 C. Calculate the specific heat of the metal. The
asked by J 
chem
How many grams of NH4Cl must be added to 0.560 L of 1.90 M NH3 solution to yield a buffer solution with a pH of 8.50? Assume no volume change. Kb for NH3 = 1.8 105. i am confused as how to find the grams?
asked by hannah 
Math
Quentin has 18 unit cubes. How many different rectangular prisms can he build if he uses all of the cubes.
asked by Paige 
Physics
Two identical metal spheres have charges of q1 and q2. They are brought together so they touch, and then they are separated. (a) How is the net charge on the two spheres before they touch related to the net charge after they touch? (b) After they touch and
asked by Jayflord 
chemistry
Based on the following reaction 2A + 3B > A2B3, if 1 mole of A is reacted with 2 moles of B, explain how you would determine which of the two substances is the limiting reactant.
asked by Guy 
statistics
A service station has a pump that distributes diesel fuel to automobiles. The station owner estimates that only about 3.2 cars use the diesel pump every 2 hours. Assume the arrivals of diesel pump users are Poisson distributed. a. What is the probability
asked by maria 
math
fill in the blank to make the expression a perfect square v^216v+
asked by mace 
Algebra
What are the domain and range of the function y=2square root 3x+45? A.x>=4/3;y>=5 B.x>=4/3;y>=5 C.x=5 I think it is A...?
asked by Cassie 
chemistry
Calculate whether or not a precipitate will form if 1.40 mL of 0.62 M NH3 are added to 4.4 L of 1.0 103 M FeSO4.
asked by Annie 
Chemistry
Calculate the pH of the 0.20 M NH3/0.25 M NH4Cl buffer. I calculated the pH to be 9.15 What is the pH of the buffer after the addition of 10.0 mL of 0.10 M HCl to 72.5 mL of the buffer?
asked by Cam 
Algebra
What are the first four terms of a geometric sequence if the common ratio is 10 and the first term is 4.5? A.4.5, .45, .045, .0045 B.4.5, 9.0, 13.5, 18.0 C.4.5, 14.5, 24.5, 34.5 D.none of the above I think this is D...?
asked by Cassie 
Chemistry
59.0 mL of a 1.80 M solution is diluted to a total volume of 268 mL. A 134mL portion of that solution is diluted by adding 171 mL of water. What is the final concentration? Assume the volumes are additive.
asked by Robert 
Chemistry 2 Lab
Calculate the degree of ionization of acetic acid in solution 1 through 3? All I am giving is the pH... pH of solution 1= 3 pH of solution 2= 3.5 pH of solution 3= 5 Then, I did this... HC2H3O2 (aq) + H2O (l) equals H3O+ (aq) + C2H3O2 (aq) Ka= 1.7 E 5
asked by Robby 
Calculus
If a snowball melts so that its surface area decreases at a rate of 4 cm2/min, find the rate at which the diameter decreases when the diameter is 12 cm.
asked by Maura 
calculus
assume that during the first 3 minutes after a foreign substance is introduced into the blood,the rate R'(t) at which new antibodies are produced(in thousands of antibodies per minute) is given by R'(t)=t/(t^2+1) where t is in minutes.find the total
asked by tan 
Chem
Hypobromous acid,HOBr, has acid ionization constant of 2.5 X 10^9 at 25 Celsius . What is the pOH of a 0.63 M HOBr solution? A4.40 B3.87 C5.20 D9.60 E10.13 I'm getting two answers between A or B
asked by Chemistry 
Physics
Two small charged spheres hang from cords of equal length L and make small angles angle1 and angle2 with the vertical. (a) If Q1 = Q, Q2 = 2(Q) and m1 = m2 = m, determine the ratio angle1/angle2. (b)If Q1 = Q, Q2 = 2(Q) and m1 = m,and m2 = 2(m), determine
asked by Jayflord 
Physics
George pushes a wheelbarrow for a distance of 12 meters at a constant speed for 35 seconds by applying a force of 20 newtons. What is the power applied to push this wheelbarrow? A. 1.2 watts B. 3.4 watts C. 6.9 watts D. 13 watts
asked by fredrick 
math
Rectangular cards,2 inches by 3 inches,are cut from a rectangular sheet 2 feet by 3 feet.What is the greatest number of cards that can be cut from the sheet?
asked by Anonymous 
Statistics
The weight of adult green sea urchins are normally distributed with a mean 52g and standard deviation 17.2g? A. Find the percentage of adult green sea urchins with weighs between 50g and 60g My answer/work: normalcdf (50, 60, 52, 17.2) = .225, 23% B.
asked by Anonymous 
biomechanics
peter, a 100 kg baketball player, lands on his feet after completeing a slam dunk and then immediately jumps up again to celebrate his basket. when his feet frist touch the floor after the dunk, his velocity is 5 m/s downward, and when his feet leave the
asked by Anonymous 
Chemistry
What is the concentration of C2O4^2 in a 0.370M oxalic acid solution? Ka1=5.6x10^2 and Ka2=5.1x10^5
asked by V 
Physics
Three Point charges have equal magnitudes, two being positive and one negative. These charges are fixed to the corners of an equilateral triangle. As the drawing shows(a) The charge at any one corner experiences forces from the charges at the other
asked by Jayflord 
math
frank cut a pie into 10 equal slices there are only 3 slices left what is the measure of the angle for the 3 slices that are left?
asked by nikki 
AlgebraB2
1. What is the value of n so that the expression x² + 12x + n is a perfect square trinomial? (1 point)6 36 72 144 2. What are the solutions of the equation x2 + 4x = 96? (1 point) 2, –48 –12, 8 –2, 48 12, –8 3. What are the solutions of the
asked by Jennifer W. 
Speed'Distance'Time
Find out the distance covered when, speed is 960 km/hour and time is 1 hour 50 minutes.
asked by Michelle 
sciencemath
Suppose a laboratory has a 31 g sample of polonium210. The halflife of polonium210 is about 138 days. How many halflives of polonium210 occur in 966 days? How much polonium is in the sample 966 days later?
asked by Anonymous 
PreAlgebra
What association would you expect if graphing height and weight?
asked by Madison 
Physics 11  Dynamics
While standing on a horizontal frictionless surface a 50.0 kg student pushes against a wall with an average force of 125 N to the right for 0.110 s. Calculate the velocity of this student at 1.110 s. My answer: Vf = 0.275 m/s My solutions book has Vf =
asked by Samuel 
Chemistry
Solution x has a pH of 4.35. Solution y has 10 times high [OH] compared to solution x. Solution z has a pH 4.0 units higher than that of solution x. calculate the ration of [H3O+] between solutions x&y and between x&z. What is the pH of solutions y and
asked by mary 
chemistry
How many moles of water are produced by the complete combustion of 14.4g of C5H12?
asked by Moyer 
Math
Someone tossed a coin 80 times.The coin landed on heads 60 times. Is the experimental probability greater than or less than theoretical probability?
asked by Taya 
Trigonometry
Two wheels are rotating in such a way that the rotation of the smaller wheel causes the larger wheel to rotate. The radius of the smaller wheel is 4.4 centimeters and the radius of the larger wheel is 20.9 centimeters. Through how many degrees wil the
asked by Katelyn 
home economics
Janet Home went to Citizen Bank. She borrowed $7,000 at a rate of 8 percent. The date of the loan was September 20. Janet hoped to repay the loan on January 20. Assuming the loan is based on ordinary interest, Janet will pay back interest on January 20:
asked by Anonymous 
Physics
Three Point charges have equal magnitudes, two being positive and one negative. These charges are fixed to the corners of an equilateral triangle. As the drawing shows(a) The charge at any one corner experiences forces from the charges at the other
asked by Jayflord 
physics
A particle starts moving with acceleration 2 m/s2. distance travelled by it in 5th half second is..??
asked by ABC 
algebra
Determine whether each sequence is arithmetic or geometric. Find the next three terms. 4, 8, –16, 32, . . . A.arithmetic, 64, 128, 256 B.geometric, –64, 128, –256 C.geometric, –48, 64, –80 .DThe sequence is neither geometric nor arithmetic. I
asked by Cassie 
Trigonometry
A car wheel has a 13inch radius. Through what angle does the wheel turn when the car rolls forward 4 ft?
asked by Katelyn 
Chemistry
What weights of NaH2PO4 and NaHPO4 would be required to prepare a buffer solution of pH 7.45 that has an ionic strength of 0.1? pKa2=7.12 , mwt NaH2Po4=120g/mol NaHPO4=142 g/mol using the hendersonhasselbalch equation i got that the ratio of the
asked by ?? 
art
Analyse a work of art for example Jacob Lawrence "GOING HOME" to describe how he used both elements of art and principles of design to create a strong composition.
asked by Jackie 
Chemistry
What is the concentration of CO3^2 in a 0.028M solution of carbonic acid, H2CO3? For carbonic acid, Ka1=4.2x10^7 and Ka2=4.8x10^11
asked by B 
maths
A box contains 12 bulbs with 3 defective ones. If two bulbs are drawn from the box together.what is the probability that a)both bulbs are defetive b)both are non defective c)one bulb is defective?
asked by minte 
Chemistry
You have a stock 0.100 M solution of KMnO4 and a series of 100mL volumetric flasks. What volumes of the stock solution will you have to pipet into the flasks to prepare standards of 1.00, 2.00, 5.00, and 10.0x10^3M KMnO4 solutions? I tried using
asked by confused 
Science
Which solution below has the highest concentration of hydronium ions? pH = 9.82 pH = 12.6 pH = 7.93 pH = 3.21 pH = 7.00
asked by DrewS 
chem
What CH3COONa concentration is required to prepare a buffer solution with a pH of 4.80 if [CH3COOH] = 0.150 M? Ka of CH3COOH = 1.8 105.
asked by hannah 
math help
write the quadratic equation whose roots are 4 and 5 and whose leading coefficient is 5 use the letter x to represent the variable. use the quadratic formula to solve for x 4x^29x+3=0
asked by mace 
accounting
Nature’s Way, Inc., keeps one of its production facilities busy making a perfume called Essence de la Vache The $32,800 beginning inventory in the Blending Department consisted of the following elements: materials, $8,000; direct labor, $4,000; and
asked by Anonymous 
english
1. Which of the style guides is most focused on professionals who are writing articles for publication? A.) MLA B.) APA *C.)Chicago Thanks.
asked by Jack 
algebra
The total charge for a taxi ride includes an initial fee of $2.75 plus $2.25 for every 1/2 mile traveled. Joe took a taxi, and the ride cost him $56.75. How many miles did he travel in the taxi? What is the equation? Show your work.
asked by syram 
Physics
It is well known that bullets fired at Superman simply bounce off his chest. Suppose that a gangster sprays Superman's chest with bullets of mass m = 2.6 g at a rate of R = 140 bullets/min. The speed of each bullet is v = 510 m/s. Suppose the bullets
asked by HELP ME 
Chemistry
1) What is the vapor pressure at 25°C of a solution of 1.20g ofnephtalene C10H8 in 25.6g of benzone C6H6? The vapor pressure of pure benzene at 23°C is 86.0mmHg the vapor pressure of naphthalene can be neglected. Calculate the vapor pressure lowering of
asked by N comas 
Chemistry
How do you write a chemical equation for NH4NO3? Is it... NH3 + H2O= NH4 + OH
asked by Patrick 
Trig
A pulley with a diameter of 24 inches is driven by a belt which is moving 1045 ft/min. How many revolutions per minute are made by the pulley?
asked by Katelyn 
Chemistry
A scuba diver takes a 2.3 balloon from the surface, where the pressure is 1.1 and the temperature is 28, to a depth of 35 , where the pressure is 4.5 and the temperature is 14.
asked by Mary 
Physics
A construction worker exerts 209N to move a load of bricks a distance of 10m across the parking lot,
asked by Anonymous 
statistics
assume that the volume of drink is normally distributed, with a mean of 2.0 liters and a standard deviation of 0.05 liter. Using the random sample of 45 bottles. The probability is 99% that the sample mean will contain at least how much soft drink?
asked by virginia 
Dynamics, Math
a plane is flying horizontally at an altitude of 420m. A bomb was released, how far horizontally point bomb hit the ground?
asked by Jenny 
math
Onequarter of the chicken pieces in the dish are wings. There are 7 wings. Hiw many chicken pieces are in the dish? Write an equation to solve the problem.
asked by Cherie 
Chemistry
What is the hydroxide ion concentration of a 0.370M oxalic acid, H2C2O4, solution? For oxalic acid, Ka1=5.6x10^2 and Ka2=5.1x10^5
asked by B 
Trigonometry
A bicycle with a 26inch wheel(diameter) travels a distance of 700 feet. How many revolutions does the wheel make?
asked by Katelyn 
Algebra
What is the domain of the function y=3 sq root 6x+42 ? x ¡Ý 0 x ¡Ü 7 x ¡Ý ¨C6 x ¡Ý ¨C7 I think it is D...?
asked by Cassie 
Thermochemistry
My question is more conceptual. It is expressed in a series of two problems: What energy change occurs when 1.2 moles of methane combust with an enthalpppy change of 434 KJ? CH4+2O2 TO CO2+2H20 I understand it is simply the moles of mthane times the
asked by Sean 
Trig
True or False: For a trignometric function, y = f(x), then x = f^1(y). Explain your answer. Thanks.
asked by Clarissa 
Dynamics, Math
a plane is flying horizontally at an altitude of 420m. A bomb was released, how far horizontally point bomb hit the ground?
asked by Jenny 
Mathstatistics
During the 2000 season, the home team won 138 of the 240 regular season National Football League games. Is this strong evidence of a home field advantage in professional football? Test an appropriate hypothesis and state your conclusion. Be sure the
asked by Bettie 
Physics
A 50.0kg box is resting on a horizontal floor. A force of 250 N directed at an angle of 20.7° below the horizontal is applied to the box. The coefficient of kinetic friction between the box and the surface is 0.300. What is the acceleration of the box?
asked by Joe 
simple GEOMETRY!!
In triangle ABC, ∠ABC=30∘,∠ACB=60∘. D is a point in triangle ABC such that DB and DC bisect angles ABC and ACB respectively. What is the measure (in degrees) of ∠BDC?
asked by please..anyone help!! 
chem
For the indicated atom in each of the following molecules or ions, give the number and arrangement of the electron pairs around that atom. (a) As in AsO43 number: arrangement: linear bent trigonal planar square planar tetrahedral (b) Se in SeO42 number:
asked by Jack 
physics
A(n) 96.1 g ball is dropped from a height of 59.1 cm above a spring of negligible mass.The ball compresses the spring to a maximum displacement of 4.75403 cm. The acceleration of gravity is 9.8 m/s^2. Calculate the spring force constant k. Answer in units
asked by Anonymous 
Chemistry
What is the hydronium ion concentration in a 0.010M solution of carbonic acid, H2CO3? For carbonic acid, Ka1=4.2x10^7 and Ka2=4.8x10^11.
asked by C 
Chem
what is the pOH of a 0.12 M solution of pyridine (Kb=1.4x10^9) at 25 Celsius
asked by C 
circuits
when a parallel 5k ohm resistor and a 25k ohm resistor have a 10v supply, what is the total power loss?
asked by Anonymous 
Chemistry
In an experiment with a titration of Vitamin C with Iodine, why must the iodine dropper be standardized?
asked by Ashley 
English
An essaytype exam is an example of a(n): A. objective test. B. written test. C. subjective test. D. academic writing. is it B An example of an objective test is: A. short answers. B. essaytype exam. C. fill in the blanks. D. discussion board. is it D
asked by Amy 
Chem
what is the hydroniumion concentration at equilibrium in a 0.71 M solution of aniline (Kb=4.2x10^10) at 25 Celsius
asked by Che 
math ALG 2!
A blue bike is $14 less than a red bike. The sum of their prices is $300. How much is the red bike? i thought it was 123 but i think its wrong.plz help
asked by ty 
Math
5 books and 9 magazines cost $150.50 dollars altogether. 9 Books and 5 magazines cost $175.70. How much does 1 book and 1 magazine cost? Please show work
asked by Nomad 
Physics
A construction worker exerts 209N to move a load of bricks a distance of 10m across the parking lot,how much work does he do?
asked by Anonymous 
Calc
The function f is defined by f(x)= (25x^2)^(1/2) for 5 less than or = x less than or = 5 A) find f'(x) B) write an equation for the tangent to the graph of f at x=3 C) let g be the function defined by g(x)= (f(x) for 5
asked by Aparna 
Chem
What is the equilibrium concentration of chloroacetic acid in a solution prepared by dissolving 0.0314 mil of chloroacetic acid in 1.10L of water? For chloroacetic acid, Ka= 1.4X10^3
asked by Chemistry 
Statistics
A market research company employs a large number of typists to enter data into a computer database. The time taken for new typists to learn the computer system is known to have a Normal distribution with a mean of 2.167 hours and a standard deviation 20
asked by Anonymous 
Statistics
How high must a student score to place in the top 10% of all students taking the SAT? Scores on the SAT verbal test in recent years follow approximately the Normal with mean 504 and standard deviation 111. This is what I did. 1.10=.9 Then I entered the
asked by Anonymous 
math
A pendulum swings through an angle of 14 degrees each second. If the pendulum is 17cm in length and the complete swing from right to left lasts 3 seconds, what area is covered by each complete swing?
asked by Katelyn 
chemistry
How many moles of sulfate ions are in 100 ml of a solution of .002 M Fe2(SO4)3?
asked by Moyer 
Soc. Studies
What was the Compromise of 1850? A.the simultaneous admission of Maine and Missouri as states in order to preserve the balance between slave and free states in the Union B.the agreement that allowed California to enter the union as a free state C.the bill
asked by Cassie 
Science
The Keq for the equilibrium below is 5.4 × 1013 at 480.0 °C. 2NO (g) + O2 (g) ↔ 2NO2 (g) What is the value of Keq at this temperature for the following reaction? NO2 (g) ↔ NO (g) + 1/2 O2 (g) The Keq for the equilibrium below is 5.4 × 1013 at 480.0
asked by DrewS 
Physics help ASAP please
a boat can travel 3m/s in still water. a boatman wants to cross a river while covering shortest distance. how long will it take him to cross the river if speed of water is 2m/s
asked by sibusiso 
physics
A parallel beam of light is incident on diverging lens of focal length 12cm. The emergent beam passes through a converging lens of focal length 20cm placed coaxial with it. The beam which finally emerges from the converging lens,comes out parallel. What is
asked by Jorel 
math
write expanded notation.40,050
asked by bryant 
chem
Using the VSEPR theory, predict the molecular structure of each of the following molecules. (a)NI3 (b)AsH3 (c)OF2
asked by Shady 
Math
Ginny Katz has decided to invest $700 quarterly for 10 years in an ordinary annuity at 8 percent. The total cash value of the annuity at end of year 10 is?
asked by Aaron 
science
Suppose a laboratory has a 31 g sample of polonium210. The halflife of polonium210 is about 138 days. How many halflives of polonium210 occur in 966 days? How much polonium is in the sample 966 days later?
asked by Anonymous 
Statistics
4. The data below are from an independentmeasures experiment comparing three different treatment conditions. Treat. 1 Treat 2 Treat 3 0 1 4 0 4 3 G=24 0 1 6 2 1 3 Ó X² = 92 T=2 T=6 T=16 SS=3 SS=9 SS=6 Use an analysis of variance with á of .05 to
asked by Pam 
Physics
A construction worker exerts 209N to move a load of bricks a distance of 10m across the parking lot,how much work does he do?
asked by Anonymous 
Science
A construction worker exerts 209N to move a load of bricks a distance of 10m across the parking lot,how much work does he do?
asked by Anonymous 
Chemistry
How many milliliters of 11.5 M HCl(aq) are needed to prepare 310.0 mL of 1.00 M HCl(aq)?
asked by Robert 
Chem
what is the percent ionization at equilibrium in a 0.31M solution of dimethylamine (Kb=4.2x10^10) at 25 Celsius
asked by Che 
Chem
in a 0.01 M solution of 1.4 butanedicarboxylic acid, (Ka1=2.9x10^5, Ka2=5.3x10^6), which species is present in the lowest concentration?
asked by Chemistry 
Physics  Heat and phase change
9.4 kJ of energy is available to take a sample of ice initially at 40*C, heat it to it's melting point, melt it, and subsequently heat it to 50*C. What is the mass, in grams, of the largest such sample for which this amount of energy will suffice?
asked by Jos 
math
what is 4.5mi/h = ft/sec
asked by Kaitlynn 
Clueless in calculus
The function f is defined by f(x)= (25x^2)^(1/2) for 5 less than or = x less than or = 5 A) find f'(x) B) write an equation for the tangent to the graph of f at x=3 C) let g be the function defined by g(x)= (f(x) for 5
asked by Aparna 
Chemistry
What is the pH of a 0.20 M HF solution that is 5.8% ionized at 25 Celsius ? A.4.45 b.0.70 C.1.93 D.1.23 E.1.40
asked by Chem 
Chemistry
Acetone has a delta Hvap of 29.1 kj/mol and a normal boiling point of 56.2 degrees Celsius. At what temperature (in degrees Celsius) does acetone have a Pvap = 118 mm Hg?
asked by Brennan 
geometry
Ok, so I have this worksheet due, and it's for a lot of points, so can you check over my answers please? Can you leave your email so I could forward the scan to you? The worksheet has a lot of labeled shapes, so it's hard to describe in text. These are the
asked by MathMat 
Ecology
The eﬀect of humans on the environment is more drastic than that of other species because people have a greater ability to 1. adapt to seasonal changes. 2. learn new skills. 3. alter the environment. 4. eat diﬀerent types of food.
asked by Elena 
Quadratic function
Determine the quadratic function f whose graph is given. The vertex is (3,13) and the yintercept is 4 f(x)=
asked by Jenn 
early childhood
guidelines for early childhood programs tor typical children a.) should be the same for exceptional children b.) are usually insufficeint for exceptional children c.) are not appropriate for exceptional children or d.) cannot be adapted for use with
asked by sahar mostafa 
Math 12
A tree growing on a slope of 13 degree to the horizontal is 14m tall. Find the length of the shadow it casts up the hill when the sun is at an angle of elevation of 30 degree. (The shadow is cast directly up the slope by the sun)
asked by Jim 
Physics  Heat and phase change
Consider a 14.3 g sample of steam initially at 100*C. How many kilojoules equal the amount of energy emitted by this sample as it condenses, cools to it's freezing point, and subsequently freezes to form ice at 0*C
asked by Jos 
Trig
True or False: For a onetoone function, y = f(x),then x = F^1(y). Explain your answer. Please help.
asked by Clarissa 
chemistry
Acetic acid, CH3CO2H, is the active ingredient in vinegar. It's often abbreviated "HOAc". Vinegar is acidic because acetic acid makes H3O+ when it partially ionizes in water: HOAc(aq) + H2O H3O+(aq) + OAc–(aq) Suppose that you have a solution of
asked by hannah 
college algebra
Solve, what is the easiest way to solve this equation? 9x^4+4=13x^2 and x^619x^3=216 Thanks, in advance..
asked by Anonymous 
English
1.Truthfulness and sincerity are the (earmarks,compacts) of an honest person earmarks 2.As election day is getting closer the tone of the candidates political oratory becomes more and more (titanic,strident) titanic 3.What do you think the U.S. should do
asked by Jerald 
analytic geometry/graphing problem
The vertices of a triangle are the points of intersection of the line y=x1, x=2 and y = 1/5x + 13/5. Find an equation of the circle passing through all three vertices. I don't understand how to solve this: should I set them all equal to find the
asked by Knights 
math
a rectangle has an area of 64 inches2.a staright line is to be drawn from one corner of the rectangle to the mid point of one of the two more distant sides.what is the minimum posible length of such a line
asked by remi 
early childhood
1.) the best example of an embedded learning experience is a.) counting from one to 20 just to practice b.) saying the alphabet while a teacher points to the letters c.) counting out napkins for each child at snack time. d.) tracing letters on a worksheet.
asked by sahar mostafa 
math
25 independent, fair coins are tossed in a row. What is the expected number of consecutive HH pairs? Details and assumptions If 6 coin tosses in a row give HHTHHH, the number of consecutive HH pairs is 3.
asked by stranger 
Physics
(1)A battery drives 60c of charge in a circuit for 20s. Thecurrent in the circuit is?(2)What is the volume of a block of expanded polystyrene of 400g and density 16kg/m3?(3)The velocity of a toy car of mass 2kg increased from 5m/s to 10m/s in 2seconds.What
asked by kingstone 
math ALG 2!
1.)A number decreased by 32 is 58. Find the number. The number is ____. (Give only the value of the number as your answer. 2.)The product of 14 and n is 28. Write the algebraic equation 3.)A blue bike is $14 less than a red bike. The sum of their prices
asked by tyneisha 
math
a circular table is painted yellow with a red square in the middle the radius of the tabletop is 6x the side legh of the red square is 3x what is the area of the yellow part of the tabletop. write answer in factored form
asked by sadai 
Trig
If 180
asked by Joseph79 
urgent urgent algebra
find the composite function fog f(X) = 1/X5,g(x)6/x question 2 find inverse, domain range and asymatotes of each function f(x)=3+e^4x can some one help me please been stuck on these for 2 days need help solving thank you
asked by zachary 
Chemistry
What is the enthalpy for the following reaction? N204 = 2NO + O2
asked by A 
math ALG 2!
Write the following value in scientific notation. 7,400,000 7.4x10^3? help?
asked by ty 
physics
Your friend is farsighted with a nearpoint distance of 512 cm. What should the focal length be for the lenses in his reading glasses? Assume the glasses are placed 2.0 cm in front of his eyes.
asked by Anonymous 
Chemistry
Need help with problem (Molarity) How many grams of NaOH are required to prepare 500.0mL of a 2.00 M solution?
asked by JOY 
English
Word box abduct ambiguous balk compact confer earmark frigid implement incalculable indisputable intensive maneuver sabotage scant stealthy strapping strident thrive titanic valiant 3.The millionaire has hired special guards to make sure that his children
asked by Jerald 
Statistics
What is the 75th percentile of the adhesion distribution? A locomotive's 'adhesion' is the locomotive's pulling force as a multiple of its weight. A diesel locomotive model has adhesion which varies in actual use according to a Normal distribution with a
asked by Anonymous 
math
A large cylinder has a volume of about 5,400 cubic cm. A small cylinder is similar in shape to the larger cylinder with a scae factor of 2/3.Which measurement is closest to the volume of a cylinder. f)1600cubic cm g)2400 cubic cm h)2700 cubic cm j)3600
asked by Courtney 
Calc
range of f(x)= 5^(2x^21)^(1/2) i know that the domain of the inverse would be the range of this and i've found the inverse but it has natural logs in it and i don't know how to find the domain with that.. i feel like i'm missing something simple
asked by Aparna 
math urgent :(
1.)A number decreased by 32 is 58. Find the number. The number is ____. (Give only the value of the number as your answer. 2.)The product of 14 and n is 28. Write the algebraic equation 3.)A blue bike is $14 less than a red bike. The sum of their prices
asked by tyneisha 
Chemistry
Assume you started with a 0.642 gram sample of Sodium Bicarbonate and aster adding an excess of hydrochloric acid and carrying out the experiment correctly, you calculateed there was a 94.8% yield of sodium chloride. What was the experimental yield of
asked by Yaneth 
Childhood
The fundamental purpose of early childhood education should be to a) prepare children for continuing later success in elementary school. B) foster growth of developmental sequences c) foster competence in dealing with life .is letter c) correct?
asked by Sara 
Arithmetic
A box in a college bookstore contains books, and each book in the box is a history book, an English book or a science book. If onethird of these books are history books and onesixth are English books, what fraction of the books are science books?
asked by Peltier 
math ALG 2!
1.)A number decreased by 32 is 58. Find the number. The number is ____. (Give only the value of the number as your answer. 2.)The product of 14 and n is 28. Write the algebraic equation 3.)A blue bike is $14 less than a red bike. The sum of their prices
asked by tyneisha 
math
The strongest recorded earthquake in the world took place in Chile on May 22 1960. It had a magnitude of 9.5 on the Richter scale. The strongest quake actually recorded in Canada was magnitude 8.1 on August 22 1949 and occurred off the Queen Charlotte
asked by Samantha 
math ALG 2!
Four times a certain number is the same as the number increased by 78. Find the number i thought it was 20.plz help
asked by ty 
math
mikas piggy bank cotains 12 pennies6nickels4 dimes and 8 quarters.which best represents the fraction of mikas coins that are pennies1
asked by savannah 
math
A sensor light can detect motion for a distance of 70ft. with a range of motion of 189 degrees. Over what area will the sensor detect motion and become illuminated?
asked by Katelyn 
Chemistry
During the standardization procedure of the iodine dropper, a student used 10.0 mL of a 1.00 mg.mL standard of Vitamin C. After adding 41 drops of iodine to the 10.0 mL of the standard, the sample was a deep blue. Calculate how many mg of Vitamin C are
asked by Ashley 
Trigonometry
A pendulum of length 17.6 inches swing 1 degree and 5 minutes to each side of its vertical posisition. To the nearest hundreth of an inch, what is the length of the arc through which the end of the pendulum swings?
asked by Katelyn 
Art
Describe how elements of art and principles of design work together to form a composition
asked by Jackie 
Math
What expression is equivalent to 16+ 56
asked by Elise 
Science
Find examples of the golden ratio in nature  a minimum of 10 examples. Explain how your examples of the golden ratio in nature relates to symmetry found in the animal kingdom.
asked by Sue 
Calc
f(x)=2ln(x^2+3)x Domain [3,5] how do i find the absolute maximum value of this?
asked by Amanda 
calculus
This is the question: "A new fruit juice (like a Popper) is to be marketed in a new container in the shape of a rectangular prism. The cardboard container is to have a square base and is to contain 300 mL of juice. What should be the dimensions of the
asked by Jamal 
Finance
you have contacted a number of dearlerships to determine the best interest rate on a new car loan, dealship quoted a 5 year, 10% loan in the amount of $35,000 that will require monthly payments. What is the monthly loan payment. And what will the loan
asked by Miller 
math
veronica aims her flashlight at the ceiling. what geometric figure is suggested by the beam of light
asked by per 
Language Arts
Help Ms. Sue! Please check if I'm correct on this question. * Which of the sentences below is the best option for a thesis statement? A.) An afterschool program at the community center might involve classes, sports, and other activities in which children
asked by Joe 
chemistry
How many moles of hno3 neede to prepare 7.5 l of a 5.6m solution
asked by krystal 
chemistry
if the molar mass of BaCl2 is 208.3 g/mol, how many grams are present in 0.25 moles?
asked by sam 
Chemistry 104
What is the percent ionization of a solution prepared by dissolving 0.0286 mol of chloroacetic acid in 1.60 L of water? For chloroacetic acid ,Ka=1.4x10^3
asked by Chemistry 
Maths
ABC is a right angled triangle with ∠ABC=90∘ and side lengths AB=24 and BC=7. A semicircle is inscribed in ABC, such that the diameter is on AC and it is tangent to AB and BC. If the radius of the semicircle is an improper fraction of the form a/b,
asked by Stranger 
Chemistry
Molar Volume(1mole=24.4L at STP) Question: Convert 40mL to moles I converted 40mL to .04L *Need help in coverting .04L to moles
asked by JOY 
5th grade math
mrs jones wrote 8 personal letters and addressed 8 envelopes to 8 different people. she placed each letter in an envelope, but when she got to the last one for Judy Ogg she had an envelope for Sheri Ford. What is the minimum number of envelopes she would
asked by Reece 
mathsprobabilty(URGENTLYYY)
There are two bags out of which Bag 1 contains 2 white and 3 red balls and bag 2 contains 4 white and 5 red balls. 1 ball is drawn at random from one of the bags and is found to be red. Find the probability that it was drawn from bag 2
asked by anoynomous 
calculus
The total number of people infected with a virus often grows like a logistic curve. Suppose that 15 people originally have the virus, and that in the early stages of the virus (with time,t , measured in weeks), the number of people infected is increasing
asked by Anonymous 
math(statistics)
suppose a random variable X can equal to 1,2,3,4,or 5. if P(x3)=.5 (a)p(x=3) and b P(x
asked by Ron 
Chem
in a 0.40 M solution of diprotic acid H2A(Ka=7.4x10^5, Ka2=5.0x10^10 at 25 celsius), what is the equilibrium concentration of A^2? A)0.40m b)0.80M C)5.4x10^3m d)1.4x10^5M E)5.0x10^10M
asked by C 
Algebra
Please help me. Please show work. What are the domain and range of the function y=2 square root 3x + 45? *A.) X >/= 4/3; Y >/=5 B.) X >/= 4/3; Y >/= 5 C.) X
asked by Jack 
fractions
Find 3 equivalent fractions for 4/12.
asked by ttuuffyy 
chemistry
What is the percent by volume (% v/v) of a solution made by mixing 12 ml of ethanol (C2H5OH) with 48 ml of water? b) Assuming the density of ethanol is 0.789g/ml, what is the molarity of this solution?
asked by ben 
English
Can someone check these sentences, please? Thank you. 1) Hi! I’m Mr Radcliffe. Today I would like to tell you about an unpleasant story which happened to me last Friday . 2) It was a beautiful day so I decided to invite our friends, Mr and Mrs Ghandon,
asked by John 
mathsprobabilty
There are two bags out of which Bag 1 contains 2 white and 3 red balls and bag 2 contains 4 white and 5 red balls. 1 ball is drawn at random from one of the bags and is found to be red. Find the probability that it was drawn from bag 2
asked by anoynomous 
physics
a converging lens has a focal length of 15cm. Find two positions where a real object can produce images four times its size.
asked by Anonymous 
math ALG 2!
Write the following value in standard notation. 3.89 x 104
asked by ty 
Art
These two technological advancements of the Industrial Revolution helped lead to the development of Impressionism. (1 point) the railroads and the printing press the railroads and photography photography and electric lighting the automobile and electric
asked by PersonWithTheFace 
Finance
you have contacted a number of dearlerships to determine the best interest rate on a new car loan, dealship quoted a 5 year, 10% loan in the amount of $35,000 that will require monthly payments. What is the monthly loan payment. And what will the loan
asked by Miller 
algebra
Circle O has a circumference of 220 meters. What is the approximate area of circle O? Show your work.
asked by syram 
Physics
Three cylinders with the same size, density and structure are piled on each other on top of a rough surface. Find the minimum angle which the direction of the force acting between the cylinders and rough surface makes with the vertical?
asked by Chipotle 
spelling
write the sentence with a verb in the incorrect tense correctly. welcome, friends of the Zoo! I'd like to thank all of you who kindly donate your time to our local zoo. It's a great honor to be asked to speak at the opening of the Reptile House. As you
asked by JAH 
Use completing the square to...
Use completing the square to describe the graph of the following function support your answer graphically. f(x)=2x^2+4x+1
asked by Jenn 
Statistics PLZ HELP Urgent!!!!
PLZ Help me with the following questions! very urgent! The marketing department of a company would like to introduce 12 monthly special products in the coming 12 months. If these monthly special products are selected randomly from 24 products, find the
asked by Alberta 
Algebra
Determine the quadratic function of f whose vertex is (2,1) and passes through (3,1) f(x)=
asked by Jenn 
English
The best way to reduce stress and anxiety in testing is: A. getting sleep and eating healthy. B. greathing well during testing. C. prepare and study well. D. take good notes. is it C Testtaking strategies are about knowing how to: A. study. B. memorize
asked by Amy 
Physics
The process of inhalation in the lung may be modelled (very simplistically) by the pV diagram shown below , in which the pressure drops sharply in the lungs at constant volume, followed by expansion at constant pressure, and then finished by the pressure
asked by Sarah 
1 question, really urgent
if its 12:30pm in vancouver what time is it in Goose Bay labrador
asked by Polly 
Chemistry
(Ideal Gas Law) Calculate the volume of a 0.25 mole sample of gas at 25.0 degreeC and a pressure of 1.50 atm (R= 0.0821)
asked by JOY 
CHEMISTRY
NEED HELP (Combined gas Law) A gas at a pressure of 1.50 atm has a volume of 200 mL. Calculate the new volume if the pressue changes to 1.20 atm. Assume constant temperature.
asked by JOY 
Heat Energy
A container holds 3kg of water at 25 degree celcius. If 0.5kg of iron at 80 degree celcius is added to the water in the contain. What is the? (i) final temperature of the container. (ii) Quantity of heat gained by water
asked by Precious 
2 questions really urgent
sorry i have 2 more questions: what happens when a contour line crosses a river: stays flat, bends upstream , stops why do contour lines never cross eachother: they each represent a different elevation, the map would be too confusing, you cant tell the
asked by Polly 
Finance
you have contacted a number of dearlerships to determine the best interest rate on a new car loan, dealship quoted a 5 year, 10% loan in the amount of $35,000 that will require monthly payments. What is the monthly loan payment. And what will the loan
asked by Miller 
Math
Find the HCF 1) 7x and 9 : nothing 2) x^2(x4) and x(x4) : its (x4)? 3) 6b and 2b^3 : 2b ,? 4) 6(x1)^2 and 16(x7)(x1) : x1 , 5) 18y,27y, 9xy^2 : 9y 6) 5a^2 and 25a : 5a 7) 6abc, 8ab, 12bc : 2b 8) 9a^2b and 18ab^2 : 9ab
asked by Mary 
math
i.imgur[dot]com/hE0sWBt[dot]gif prove. [steve please take another look at this.]
asked by Hasane 
statistics
The marketing department of a company would like to introduce 12 monthly special products in the coming 12 months. If these monthly special products are selected randomly from 24 products, find the probability that two specific products are the monthly
asked by Alberta 
curriculum development
The size of a play/work area in the class made a noticeable difference in the time children stayed there and were engaged in complex play. The best size area is A) small and open B) large and open c) small and sheltered or d) large and sheltered. is B)
asked by Nancy 
English
Please help with this question that has been bothering me! I take bio college class and we have graduate/student assistant for labs & when taking an exam. The professor is never there during those sections.Due to my low exam results,I feel I'm not being
asked by Leah 
algebra
How would i solve 3(x2/3)=10
asked by syram 
math
arrange in descending order: 4/5, 6/20, 8/24 and 5/8.
asked by john 
Algebra
A singleengine airplane carries enough fuel for an 8hour flight. After the airplane has been flying for 1 h, the fuel tank begins to leak at a rate that would empty the tank in 12 h. How long after the leak begins does the plane have until it runs out of
asked by Kecin 
Statistics
What is the 75th percentile of the adhesion distribution? A locomotive's 'adhesion' is the locomotive's pulling force as a multiple of its weight. A diesel locomotive model has adhesion which varies in actual use according to a Normal distribution with a
asked by Anonymous 
chapter 14, lesson 5
max cut a pole into 4 equal pieces. then he cut 2 inches off one piece of the pole. then piece left was 4 inches long. how long was the pole to before Max started cutting?
asked by nicole 
math ALG 2!
Write the following value in scientific notation. 0.00000021 i think its 2.1x10 but i really think its wrong
asked by ty 
Biology
Eutrophication refers to 1. the concentration of a toxic substance in the tissues of organisms. 2. depletion of mineral resources as a result of leaching. 3. the warming of the earth’s surface. 4. the damage to the ozone layer that protects the earth
asked by Elena 
Physics
Okay so i'm having a little trouble explaining the answer to a phys lab question concerning rolling friction: Assuming that f = µN , show that the coefficient of (rolling) friction for the car moving down the inclined plane with a constant speed is given
asked by dallas 
chemistry
liquid water + liquid oil + water vapor how many phases does this system have? If it's 3 ... why can't we say it's 2 taking in consideration the liquid part and the vapor part "states of matter also called phases" ... Please try to explain this concept if
asked by m1m2m3m4 
math ALG 2!
Write the following value in standard notation. 4.25 x 106
asked by ty 
Biology
Why is it difficult for a mutation to occur that would change the genetic code?
asked by Candy 
math
Consider the region in Quadrant 1 totally bounded by the 4 lines: x = 3, x = 9, y = 0, and y = mx (where m is positive). Determine the value of c such that the vertical line x = c bisects the area of that totally bounded region. Needless to say, your first
asked by borat 
Math
I have posted this over 3 times and I just want to know if I did the 2nd part correctly with v. Do you multiply it by 10 for 10 cubes or 32 for 32 sides for all of them. Can anyone please help, I just want to learn the correct way to do this. Thanks! The
asked by Es CAN ANYONE HELP? 
Biology
What is the main cause of brown or photochemical smog? 1. emissions from aircrafts 2. aerosol cans and coolants 3. emissions from automobiles 4. coalburning industries 5. river pollution through discharge of industrial wastes
asked by Amy 
Physics
Okay so i'm having a little trouble explaining the answer to a phys lab question concerning rolling friction: Assuming that f = µN , show that the coefficient of (rolling) friction for the car moving down the inclined plane with a constant speed is given
asked by dallas 
007031 Quadratic Equations
i need the test answers
asked by Anonymous 
4th grade math
bryan bought a car that is 14 feet long, how many inches is this?
asked by Lourane 
education
sand, rocking chairs, animals, and strap swings are examoles of a__ environment. a) static b) soft c) creative d) hard. would the answer be d) hard
asked by sahar 
CTU
Assume the economy has gotten better and that the funds now have a return of 7.72% compounded monthly. Diane salary has risen now she can contribute $1000 per month. At the end of the next 15 years, how much is her account worth?
asked by Najee 
math
Prove: 3/(log_2 (a))  2/(log_4 (a)) = 1/(log_(1/2)(a))
asked by Hasane 
Physics
What happens to the vibrating length of a resonance tube if a loud speaker is brought close to a displacement node?
asked by Priscy 
math
Is log_3 (5) equal to log_5 (3)? Explain your answer. Do not evaluate the logarithms.
asked by Hasane 
algebra
In a class of 50 students, the number of women is 2 more than five times the number of men. How many women are in the class?
asked by l 
spell
SYLLABLE PATTERNS V/CV AND VC/V
asked by JAH 
trig
I keep trying to find the power reducing formula for sin^4(x), but I can't seem to get all the fractional parts correct. The answer I should be getting is: sin^4(x)=(1/8)cos4x(1/2)cos2x+(3/8) I can only get this far knowing feeling confident. When I go
asked by Josh 
Statistics
Find the value of Z = 0.15?
asked by Anonymous 
physics
A slide is 5 inches high. it is placed 5.5 inches from the convex lens of a porjection lantern. The image is cast upon a screen 55 inches away. the focal length of the lens is ______inches? b) the heigh of the image cast by the lens is ________inches?
asked by Jo 
Maths
Ray and Roxanne leave from the same spot for their morning run. Roxanne runs due North at 8 km/h while Ray runs due East at 11 km/h. Find the distance and bearing of Roxanne from Ray after 20 minutes. Round your answers to one decimal place.
asked by Caroline 
English
6.Through the odds were greatly against them the brave defenders of the fort waged a (valiant scant) battle against the enemy's troops valiant 7.Because her condition was so poor after the operation she was placed in the hospital's (Stealthy intensive)
asked by Jerald 
Life orientation
Discuss five ways in which hiv and aids impacts on the community
asked by Anonymous 
ALGebra
We define n♡ recursively as follows. 1♡=1; n♡=((n−1)♡)⋅n+1 Find the largest n
asked by please..anyone help!! 
calculus
This is the question: "A new fruit juice (like a Popper) is to be marketed in a new container in the shape of a rectangular prism. The cardboard container is to have a square base and is to contain 300 mL of juice. What should be the dimensions of the
asked by Jamal 
Physics
How can we find the resultant force if the mass and SPEED are given?? Help me please!!
asked by Vathana 
Physics
The process of inhalation in the lung may be modelled (very simplistically) by the pV diagram shown below , in which the pressure drops sharply in the lungs at constant volume, followed by expansion at constant pressure, and then finished by the pressure
asked by Sarah 
Math
Find the sum of all 3digit positive numbers N that satisfy the condition that the digit sum of N is 3 times the digit sum of N+3.
asked by Hale 
Physics
A pendulum is released from some height. When it reaches the bottom of its swing, its speed is 2.5 m/s. What is the initial height of the pendulum?
asked by Wilson 
booker washington
The lawyer suggested that you and __________ work to find an agreement outside the courtroom, for the trial would be long and unpleasant
asked by dories 
Physics
A pendulum is released from some height. When it reaches the bottom of its swing, its speed is 2.5 m/s. What is the initial height of the pendulum?
asked by Wilson 
physics
compare the relation of fundamental frequencies for a pipe closed at one end and for a pipe open at both ends
asked by shashi ranjan 
Physics
A 0.9 kg block is moving with speed 7 m/s towards a spring that has a spring constant of 1.3 N/m. The block hits the spring and compresses it. a) How far did the block compress the spring?(draw a pie graph also) b) When the block is still moving and the
asked by Wilson 
Local government
How to write an informational paragraph on structure of our local goverment ( I live in miss ) & shiw what strategy I used b4 writing
asked by Desarae 
Sciemce
How many mole of ammonium nitrate would be consumed if 15 mole of water were produced?
asked by Hayden 
economics
what are mandatory and discretionary spending?
asked by working hard 
pathology
how does chronic bronchitis lead to emphysema and how the cor pulmonale is developed?? i have gone through couple of websites but couldn't find clear answer if someone can please explain a bit, thanks! waiting for answers
asked by yao 
English
I took two exams and iffy about my results. Exam one:32/46.8 A >= 46.8 B >= 41.6 C >= 38.5 D >= 33.0 Exam two: 54/100 (curve (Bonus)6%. Thank you!
asked by Amy 
AlgebraPLEASE Help
I have 3 questions posted will someone please look at them...thanks
asked by Cassie 
Language Arts
Need help figuring out which is the correct way to write the sentence. 1. In the summer we were going to the beach, and had a flat tire. 2. In the summer, when we were going to the beach, we had a flat tire. Thanks....
asked by Brandi 
life orintetion
what unethical behaviour is taking place in the case study?name two
asked by zama 
life science
explain about polyploidy
asked by zama 
Life orientation
What,according to the basic condition of employment act applies with regard to the contravention
asked by Yonela 
Spanish
Hi there, how would I say the following phrase in Spanish: Mexico, it was beautiful. Next stop Italy.
asked by David 
math ALG 2!
Write the following value in scientific notation. 0.00003165 i don't understand?
asked by ty 
Combinatorics
Bob is at an amusement park with 10 different rides. He only has time to go on 3 rides, before he needs to head back for his curfew. If he only wants to go on each ride a maximum of one time, how many different ways are there to go on 3 rides?
asked by Bob 
Science
My science fair project is growing bacteria from food that is left out and seeing how much the bacteria increases over time. How would I write my hypothesis?
asked by Abby 
Physics
The current in a 5.00mH inductor drops from 2.50A to zero in 5.ooms. What is the average emf induced in he inductor?
asked by Tiffany 
Trigonometry
If 180
asked by Joseph79 
Heat Energy
1. (a) 500g of copper is heated from 30 degree celcius  120 degree celcius?. (b) if the same quantity of heat is supplied to 300g of water initial at 30 degree celcius,what will be the final temperature.
asked by Precious 
Physics
A 4 kg weight falls on a spring that is facing up. The weight compresses the spring 0.25m. If the spring constant of the spring is 3.5N/m, how high was the weight when it was dropped?
asked by Wilson 
Physics
A 3.4 kg mass is shot by a sling shot with an initial velocity of 4.5 m/s. When the mass is in the air at a height of 50m, it is still traveling upwards. What is its velocity at that height? Draw energy pie graphs for the initial and final state. (Hint:
asked by Wilson 
Finance
you have contacted a number of dearlerships to determine the best interest rate on a new car loan, dealship quoted a 5 year, 10% loan in the amount of $35,000 that will require monthly payments. What is the monthly loan payment. And what will the loan
asked by Miller 
Math
Sofia has a plate that has 4 equal sides, 2 pairs of parallel sides, and no right angle. Which quadrilateral is it?
asked by Pietro 
Statistics and Probability
Why is a normal distribution called "normal"?
asked by Betty 
Statistics
The controller for a garage door opener has nine binary switches that can be set to either on or off. How many different total settings can be set on this controller?
asked by Abby 
Math
On a single draw from a shuffled deck of 52 cardsm find the probability in favor of drawing a club and a jack.
asked by LaChellle 
Physics
What is the moment of force?
asked by kingstone 
pathology NEED HELP
how does chronic bronchitis lead to emphysema and how the cor pulmonale is developed?? i have gone through couple of websites but couldn't find clear answer if someone can please explain a bit, thanks! waiting for answers
asked by yao 
math 140
I have two questions posted that has not been answered please help. The questions were posted on March 18 please help.
asked by betsy 
Calc
f(x)=2ln(x^2+3)x Domain [3,5] how do i find the absolute maximum value of this?
asked by Aparna 
algebra
How would i solve 0.1x+(1)>0.4
asked by syram 
math
i.imgur[dot]com/hE0sWBt[dot]gif prove. [steve please take another look at this.]
asked by Hasane 
pope
Which of the following will help you produce clear and focused writing? A. Brainstorming before writing. B. A rubric that provides criteria. C. A solid thesis statement. D. The style of your paper.
asked by john 
Social Studies
Which state is the least densely populated? 1. Alaska 2. Hawaii 3. Minnesota 4. New Jersey My Answer: # 2 Hawaii
asked by Selena 
Maths
Let 3^a be the highest power of 3 that divides 1000! . What is a ?
asked by John 
Stats
1. The question asks to choose a data point in our graph (we chose 476,44) of median home prices (x) and percentage of students who scored Advanced on math MCAS (y). We have to find the residual. I'm confused because the equation I was given is e=yyhat I
asked by Jill 
Ashford
Often, after graduation, students report that they can barely remember some of the concepts they studied in school. This is particularly true if a difficult concept is introduced. As asymptotic notation is perhaps one of the most difficult concepts to
asked by Sarah 
Maths lit
In your own words,explain what information is communicated in graph 1
asked by Zukiswa 
Ashford
Often, after graduation, students report that they can barely remember some of the concepts they studied in school. This is particularly true if a difficult concept is introduced. As asymptotic notation is perhaps one of the most difficult concepts to
asked by Sarah 
physics
a converging lens has a focal length of 15cm. Find two positions where a real object can produce images four times its size.
asked by Anonymous 
social studies
How many regions does the United States have?
asked by mateo 
Government
I am supposed to come up with a bill for an interest group of our choosing. I chose the American Bar Association. The bill i want to propose is " to give lawyers and law students with disabilities an equal chance at being chosen as a lawyer to be able to
asked by Anonymous 
Math
17 + n/ 3=9 I don't understand this. Please help
asked by Cherie 
Exceptional children
Can you check my answers please Adaptive behaviors are a.) the same as !@#$%^&tional skills b.) different from functional skills c.) exclude functional skills or d.) include functional skills. this is tricky for me but i'm guessing d.) include funtional
asked by Nancy 
Physics
How can we find the resultant force if the mass and SPEED are given?? Give me the formula please!!
asked by Emily 
algebra
If $6,000 is placed in an account with an annual interest rate of 3%, how long will it take the amount to triple if the interest is compounded annually?
asked by alana 
math
(1.0425) exponent 12
asked by Thomas 
Chemistry
A student completed the standardization procedure & found that the value for her dropper was 0.133 mg Vitamin C/dp l2. The student then selected a juice & titrated it with the iodine from the dropper bottle. The sample turned blue with the addition of the
asked by Ashley 
arithmetic
The measure of two angles of a triangle are 35* and 45*. What is the measure of the third angle of the triangle? A. 95* B. 100* C. 105 D. 110*
asked by Peltier 
socials please check
how many time zones are there in canada? My options are: a.) 5 b.) 10 c.) 7 though i tried answering this and i got 6? what is the correct answer
asked by Alex 
Statistics and Probability
Why is a normal distribution called "normal"?
asked by Betty 
Math
t/9 + 8= 5 Please help with this when I do it my answer is not 5.
asked by Cherie 
pathology
how does chronic bronchitis lead to emphysema and how the cor pulmonale is developed?? i have gone through couple of websites but couldn't find clear answer if someone can please explain a bit, thanks! waiting for answers
asked by yao 
mt
a particle p starts from a point a with velocity 4m/s.if it is moving along a strait line ab with an acceleration of 1.5t^2 at a time t seconds, find acceleration,diplacment after ten seconds,velocity
asked by Anonymous 
Life science
Investigate the effect of the environment on phenotype
asked by Bongane 
algebra
What is the formula to find the area of a circle?
asked by syram 
Math
What is the inverse trig function cotangent of square root of 3/3? What is the value?
asked by Bob 
Math
instruments played in a band include a piano drum guitar and saxophone.dave does not use his mouth to play his instrument. ted and lindas instruments have strings. dave, sue and linda carry their instruments.who plays each instrument?
asked by Gio 
college chemistry
for my lab i used 2.0mL of NaOH solution and it doesnt have a density in (g/mL)... is there still a way to calculate the moles to it? unless there is a density to NaOH
asked by Anonymous 
Calc
f(x)=2ln(x^2+3)x Domain [3,5] how do i find the absolute maximum value of this?
asked by Aparna 
chemistry
the enzyme that takes in the SO2−4 that provides the sulfur atom for cysteine.
asked by ismail 
Math
How to find the exact value of tan(sin^1x/2) I'm having trouble with finding the inverse of sin x/2 value.
asked by Bob 
math ALG 2!
Write the following value in scientific notation. 23,000,000 i don't understand
asked by ty 
maths
Number of points at which f(x) = 3+2sinx has maximium in the interval (11 pie/2 , 100 pie) is _____
asked by anoynomous 
Ashford
This week you will analyze the computational complexity of the game you select. A good way to do this is to determine the steps of the game in the algorithm format from Week 4 and figure out how many steps it could take at maximum to finish the game.
asked by Sarah 
English
A discussion board in an online course can be another form of: A. communication. B. assessment. C. objective test. D. free expression. is it A Explain, discuss, analyze, state, and evaluate are examples of __________ words in an essaytype exam. A. key. B.
asked by Amy 
chemistry
Which material would you expect to have a greater bandgap energy between indium nitride (InN) and indium phosphide (InP)?
asked by Chemq 
Chemistry
Chemical analysis of a germanium crystal reveals indium at a level of 0.0003091 atomic percent. Assuming that the concentration of thermally excited charge carriers from the Ge matrix is negligible, what is the density of free charge carriers (free
asked by Chemq 
maths probabilty(me posted third time)plse answer
There are two bags out of which Bag 1 contains 2 white and 3 red balls and bag 2 contains 4 white and 5 red balls. 1 ball is drawn at random from one of the bags and is found to be red. Find the probability that it was drawn from bag 2
asked by anoynomous 
math(statistics)
1. Assume that x is a binomial variable with an expected value of 3 and variance of 2.4 .find (a) P(x=0) (b) P(x=12) THnxs
asked by Robert 
Lang. Arts
It comes with padded shoes that soften the landing. A.noun clause B.adverbial clause C.misplaced modifier D.adjectival clause I think it is D...?
asked by Cassie 
English
If I were to interview the curling team captain, what types of questions would I ask?
asked by Anonymous 
Math
Explain in 23 complete sentences how using function tables can be useful in real life.
asked by ISABELLA 
Heat energy
CORRECTION (a). 500g of copper is heated from 30 degree celcius to 120 degree celcius, what is the quantity of heat supplied?(b). If the same quantity of heat is supplied to 300g of water initial at 30 degree celcius. What will be the final temperature.
asked by Precious 
Physics
How would you derive the formula {Ff+Fgx=ma} to show that µs=tanè
asked by po 
Find Errors in Text
What are the most obvious, often seen, errors in the following text taken from a question this website? " The 18th century brought even more historical events in Mathematics. The knowledge of the natural numbers are preserved in monolithic structures, it
asked by Agood Righter 
billing and insurance
I need to know what the cpt code is for a bilateral iliac arteriogram
asked by Jane 
World Geography
For good crops, Syrian farmers are still largely dependent on what?
asked by Alyssa 
english
Hi! Director of Central London Hatcheries shows a group of young men around their facilities. Babies are grown in bottles (World State Society)Director shows the group the five castes: Alpha, Beta, Deltas, Gammes, Epilsons. The director shows how children
asked by katlyn 
Quantum
What is the superposition that results if you apply the Hadamard transform H⊗n to the state 12√(0n⟩+1n⟩)? (Here, 0n⟩:=00⋯0n⟩ and 1n⟩:=11⋯1n⟩.)
asked by lana 
Quantum
What is the superposition that results if you apply the Hadamard transform H⊗n to the state 12√(0n⟩+1n⟩)? (Here, 0n⟩:=00⋯0n⟩ and 1n⟩:=11⋯1n⟩.)
asked by lana 
MATH
WHY IS IT IMPORTANT TO SIMPLIFY RADICAL EXPRESSIONS BEFORE ADDING OR SUBTRACTING? HOW IS ADDING RADICAL EXPRESSIONS SIMILIAR TO ADDING POLYNOMIAL EXPRESSIONS?
asked by STACEY 
huy
what does each culture brings with it
asked by hai 
maths
what are the binary representtations of the following decimal numbers? 17,29,38
asked by RHEA 
Math
How much paper is used for a label on a can of frosting. The height of the jar is 5 inches and the radius is 1.5 inches I did SA=2TTrh+2TTr^2 SA=2TT1.5(5)+2TT1.5^2 SA=15TT + 2TT2.25 SA=15TT=4.5TT SA=19.5TT SA=61.261 SA=61.3in^2 61.3in squared of paper was
asked by Scott Ms Sue can you help 
Maths
P, Q and R are three towns. Q is 40 km N 72°E of P and R is 48 km S 55° E of P. Find the distance and bearing from Q to R. Round the distance to the nearest 0.1 km and the bearing to the nearest minute.
asked by Brooks 
math ALG 2!
Write the following value in standard notation. 2 x 106
asked by ty 
Childhood
Two most common aspects of malnutrition in the u.s are: a) heart disease and obesity b) iron deficiency and heart disease c) dental decay and iron deficiency d) obesity and dental decay. I chose c) dental and iron deficiency is that right?
asked by Sara 
Physics
What is simple pendulum?
asked by Ajay pratap 
physics
find the expression for the acceleration of a cylinder rolling down without slipping on a rough inclined plane also obtained an expression for coefficient of friction
asked by shashi ranjan 
Olefile Life Orientation
What,according to the basic conditions of employment Act applie with eager to learn
asked by Nthabiseng 
Physics  Heat and phase change
8.94 kJ of energy is available to melt 20 g of ice (initially at 0*C) and subsequently to warm the water. What is the water's final temperature in degrees Celsius?
asked by Jos 
Art
Describe how elements of art and principles of design work together to form a composition
asked by Jackie 
math
k(4/7 + 1/7) + j =
asked by Jim 
Algebra business
Diane contributes $625 at the end of each month to retirement fund. For the past 10 years this fund has earned 3.84% a year. Compounded monthly, assuming the 3.84% rates continue, how much will she have in her retirement account after 15 years?
asked by Najee 
math
30 + 20 / ((1 * 5) * 2) =
asked by donna 
medical office practice
can you help me with the assignment for job19 in the book it is a transcription assignment
asked by marcella 
History
What was the catalyst to World War1 ?
asked by Kammi 
mathematics
write the all formules of mean & medium
asked by Anonymous 
math ALG 2!
Write the following value in standard notation. 3.14 x 105
asked by ty 
12Chemistry
What professions would use chemical bonding?
asked by Anonymous 
math
what is the speed of a runner who can run 400 metre in 76 seconds
asked by charles 
Socials please check my answers
pleaes chack my answers: what are the horizontal lines on a map called? my answer= latitudes what are the vertical lines on a map called my answer= longitudes
asked by Alex 
Trig
What is the exact value of tan(s+t) if sin(s+t)=56/65. And cos(s)=5/13 and sin(t)=4/5. Everything is in the first quadrant
asked by Heather 
Math
If I have several boards that I cut 3/5 off each one and end up with 4 boards of equal length, how many boards did I start off with?
asked by Jalon 
maths
find the value of a and b if (a+b)/2=10 and(a.b)*(a.b)=8 .
asked by ashutosh 
Physics
Sammy Sosa
asked by Chloe 
maths
what are the binary representtations of the following decimal numbers? 17,29,38
asked by RHEA 
LIFE ORIENTATION
10 WAYS IN WHICH THE ENVIRONMENT HEALTH HAZARD CAN IMPACT NEGATIVELY ON ONE'S HEALTH
asked by VICTOR 
maths
a=19.85 b=0.145
asked by ashutosh