Questions Asked on
November 16, 2014

statistics
Customers arrive at a movie theater at the advertised movie time only to find that they have to sit through several previews and prepreview ads before the movie starts. Many complain that the time devoted to previews is too long (The Wall Street Journal,
asked by sean 
Chemistry
Estimate the percent ionic character of the BrF bond using this graph:
asked by Anonymous 
Chemistry
Which of the following is NOT true for ΔGrxn? A.) If ΔG°rxn > 0, the reaction is spontaneous in the forward direction. B.) If Q = 1, then ΔGrxn = ΔG°rxn.If ΔG°rxn = 0, the reaction is spontaneous in the reverse direction. C.) If ΔG°rxn > 0, the
asked by Emma 
AP CALC. AB
A particle moves along a line so that at time t, where 0
asked by Rachel 
math
A power station is on one side of a river that is 3/4 mile wide, and a factory is 8 miles downstream on the other side of the river. It costs $24 per foot to run power lines over land and $30 per foot to run them under water.(1 mile = 5280 feet) Write the
asked by Anonymous 
English
What is moral lesson in Annabel Lee?
asked by Jessica 
Chemistry
what does the Lewis Dot Structure of Sr(CN)2 look like?
asked by Anonymous 
Chemistry
if 5.00 ml of 1.66x10^1 M HCl solution is diluted to exactly 250.0 ml with water, what is the concentration of the resulting solution?
asked by Alex 
Chemistry
Please help me with these problems, the book examples very different. I'm really confused. Any help with these will help me immensely. Thank you in advance! What I got were: 1.)c 2.)d 3.)a 4.)c 5.)b 1.) When is any endothermic reaction spontaneous? a.)When
asked by Herbert Lee 
Physics
A 1200 kg car pulls an 820 kg trailer over a rough road. The force of friction acting on the trailer is 650 N [backwards]. Calculate the force that the car exerts on the trailer if (a) the trailer is moving at a constant velocity of 30 km/h [forward] (b)
asked by Jenuson 
MATH
The table below represents the volume of a liquid sample as a function of its temperature: Temp (C) Volume (ml) x f(x) 11 95 16 100 21 105 26 110 The average rate of change of f(x) between x=11 to x=21 is _____ ml per C ((degrees)) and represents the rate
asked by HELP PLEASE 
Pre Albergra
The Pentagons ABCDE and PQRST are Similar: Find the length x of TP
asked by Michelle 
Math
A photocopy was made of Julie's watercolor painting. the photocopy resized the painting so that it measured 4 inches wide by 7 inches long. If the actual painting is 16 inches wide, what is the length?
asked by Connor 
Chemistry
Please also, help me set up this problem. Acetylene, C2H2, can be converted to ethane, C2H6, by a process known as hydrogenation. The reaction is C2H2(g)+2H2(g)⇌C2H6(g). Given the following data at standard conditions (all pressures equal to 1 atm and
asked by Lindsey 
Chemistry
Help me set up this problem. I have been looking at a few examples of similar problems and I keep getting the wrong answers. I'm getting really confused. Q: The standard free energy change ΔG∘ and the equilibrium constant K for a reaction can be related
asked by Lindsey 
Math
An airplane travels 226 miles in 2 hours. At that rate, how far will the airplane travel in 8 hours?
asked by Penny 
Art
Are my answers right? Which of the following is a convention Chinese artist Shen Zhou used in his brush paintings? He used only black ink to emphasize expressive brushstrokes. He painted several seated Buddha in the background. He painted flat, realistic
asked by Amy 
Chemistry
Which bond in urea is most polar? (P.S. I tried CO and NCO, but it's incorrect)
asked by Anonymous 
spanish
Choose the answer that best completes the following sentence. _________ postres son deliciosos. a. El c. Unos b. Las d. La
asked by dustin 
Chemistry Buffers
Write reactions showing how each of the following buffers would neutralize added HCl. HF and NaF Express your answer as a balanced chemical equation. Identify all of the phases in your answer. HC2H3O2 and KC2H3O2 Express your answer as a balanced chemical
asked by Bob 
physical education
A 1kg ball is tossed straight up with a kinetic energy of 196J. How high does it go.
asked by melina 
economics
Assume a firm is a monopsonist that can hire its first worker for $6 but must increase the wage rate by $3 to attract each successive worker (so that the second worker must be paid $9, the third $12, and so on). The marginal revenue product of labor is
asked by mary 
chemistry Ben
50ml of 20.8% bacl2 and 100ml of 9.8% h2s04 solutions are mixed. molarity of cl ions in the resulting solutions is At.wt of ba = 137 100ml of h2s04 solution having molarity 1M and density 1.5g/ml is mixed with 400ml of water. Calculate final molarity of
asked by Ken 
LA  1 question
Which of the following methods of organization would be best suited for a causeandeffect essay about the events leading up to the American Revolution? order of importance spatial order chronological order descriptive order I feel like i somewhat know
asked by SkatingDJ 
sixth grade math
Lisa hiked 7 miles of a 21mile trail. What percent of the trail did she hike?
asked by Stephon 
Math
Connie wants to have an annuity payment of $2,000 at the END of every three months. How much should she deposit now at 6% interest, compounded quarterly, to yield this payment for 3 years?
asked by Ralph 
math
Rainbow Harbor Cruises charges $16/adult and $8/child for a roundtrip ticket. The records show that, on a certain weekend, 1400 took the cruise on Saturday and 1000 took the cruise on Sunday. The total receipts for Saturday were $18,400, and the total
asked by Anonymous 
math
Tom is making meatloaf with 3/4 pound of turkey and 5/6 pound of ground beef. What is the LCM he should use to find the total number of pounds of meat? How many pounds of meat will be in the meat loaf? Show your work Completely.
asked by bob 
statistics
The HIM coding supervisor agrees to pay a new graduate $13.50 per hour. This is a fulltime coding position at 2,080 hours per year. The cost for a fulltime employee's fringe benefits is 24 percent of the employees salary. How much must the supervisor
asked by anonymous 
geography
. Choose Europe, North Africa or Southwest Asia as the best region to contain Egypt. Write a paragraph explaining your choice. Remember to explain how formal, functional, and perceptual regions influenced your choice. Give specific details to support your
asked by Diego 
math
A zoo kitchen's weekley grocery list shows the zoo orders 56 pounds of bannas each week.The zoo kitchen uses the same number of pounds of bannas each day.
asked by Bryce 
Chemistry
Please help me set up these problems. I have been staring at them for hours and I can't tell where I went wrong. Question: Consider the following reaction: CaCO3(s)→CaO(s)+CO2(g). Estimate ΔG∘ for this reaction at each of the following temperatures.
asked by Albert 
chemistry step by step for me
100ml of h2s04 solution having molarity 1M and density 1.5g/ml is mixed with 400ml of water. Calculate final molarity of h2s04 solution if final density is 1.25g/ml. 50ml of 20.8% bacl2 and 100ml of 938% h2s04 solutions are mixed. Molarity of cl ions in
asked by Ken 
chemistry
Consider the following reaction: 2 B5H9 + 12 O2 => 5 B2O3 + 9 H2O How many grams of B2O3 are made by the reaction of 233.8 g of O2
asked by michelle 
Chemistry
If a solution contains 0.65mol of OH−, how many moles of H+ would be required to reach the equivalence point in a titration?
asked by Will 
physics
To create artificial gravity, the space station is rotating at a rate of 0.80 rpm. The radii of the cylindrically shaped chambers have the ratio rA/rB = 3.80. Each chamber A simulates an acceleration due to gravity of 10.0 m/s2.
asked by web 
English
What is the purpose of Annabel Lee by Edgar Allan Poe? What are some qualities and Character traits about of the Speaker in Annabel Lee? I need at least 5. so far I got romantic, dedicated, crazy, and obsessive .
asked by Jessica 
math
A farmer has twice as many chickens as ducks. After selling 166 chicken and 29 ducks, he has twice as many ducks as chickens. How many chickens did he have to start??
asked by pac 
Science, Chemistry
Write neutralization reactions for each of the following acids and bases. HNO3(aq) and Ba(OH)2(aq) Express your answer as a balanced chemical equation. Identify all of the phases in your answer.
asked by James 
science
the relative age of a rock is
asked by ray 
statistics
The same supervisor in the scenario above agreed to increase the salary of the employee to $15.00 per hour once she passed her RHIT exam. three months after beginning her employment, the employee passed her RHIT exam, What will the new budget be for salary
asked by anonymous 
math
which lap has the slowest time out of these 1.59, 1.85, or 1.64
asked by Jen 
calc
Each of the regions A, B, and C bounded by f(x) and the xaxis has area 5. Find the value of ∫2 [f(x)+3x^2+2]dx. −4 I know to solve I can find the antiderivative of the equation but im not sure how to do this because of the f(x) in the parentheses.
asked by DD 
statistics
you currently lease scanning equipment at a cost of 1,500 per quarter and two copy machines at $120 each per month. What will you need to budget annually for this leased equipment?
asked by anonymous 
Business
The best feature of an organizational structure that evolves naturally is its? A.economy. B.clarity. C.practicality. D.use of staff positions My best guess is D
asked by kim 
Math 6th
Andy ran a 5kilometer race in 40 minutes. If Andy maintains that same place, how many kilometers did Andy run In 1 hour?
asked by Anon 
Math
Yes, it is I again, with yet another math problem. The question is; In a bag, there are 8 white marbles, 8 blue marbles, 7 red marbles, and 6 yellow marbles. How many marbles does it take to pull out 3 marbles of the same color. (A)6 (B)9 (C)12 (D)15 (E)I
asked by Tom 
physics
A ball with radius 12cm rolls on a level surface, and the translational speed of the center of mass is 0.35 m/s. What is the angular speed about the center of mass if the ball rolls without slipping?
asked by bob 
P.E. help please
True or False Infectious diseases are caused by organisms or viruses that enter and multiply within the body. Is the answer True?
asked by Callie 
P.E. help please
Your body gets antibodies from A. immunizations B. being exposed to the virus or antibody and having your immune system make it. C. none of the above D. All of the above I'm a little confused on which answer to pick between A and D.
asked by Callie 
P.E. help please
True or False infectious diseases are caused by organisms or viruses that enter and multiply within the body. Is the answer True?
asked by Callie 
sixth grade math
Lindsay ate 7/8 of an apple. what percent of the apple did he eat? My answer is 875%. Is the answer 875% or 87.5%.
asked by Stephon 
Chemistry
Assume you are performing the calibration step of Experiment 8 and you begin with 50 g of water at 20 oC and 50 g of water at 80 oC. After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment,
asked by Anonymous 
LA  1 question
Which of the following should you do during your third read of the multidraft reading process? identify the author's tone and viewpoint evaluate how the selection compares to another examine the type of organization used in the selection determine the
asked by SkatingDJ 
Chemistry
Consider the reaction 2 SO2(g) + O2(g) in equilibrium with 2 SO3(g) . At 25°C delta H° = 197.78 kJ and delta S° = 187.95 J/K. Using this information, calculate the equilibrium constant for the reaction at 32°C. (R = 8.314 J/K) Enter your answer
asked by Bill 
Business Communication
Which of the following is an example of an external source? I. Memos sent to the employees of a company, 2. Financial reports published by a company, 3. Company databases, and 4. Industry journals.
asked by Goody 
physics
A basketball player shoots the ball from a height of 2.22 m above the floor at a horizontal distance of 1 m from the basket which is 3.05 m above the floor. If she shoots the ball at an angle of 42° above the horizontal, what initial speed must she throw
asked by Melany 
Math
Your bank pays 9% interest, compounded annually. Use the appropriate formula to find how much you should deposit now to yeild an annuity payment of $800 at the END of each year, for 10 years?
asked by Ralph 
math
Darion needs 20 pieces of string 3/8 inch in length .He cut a 4 7/8 inch piece of string into pieces that are 3/8 of a inch long each. How many more pieces of string does he need?
asked by Matthew 
English Grammar
The homework this week is over sentence transformations. The question asks: 1.) Write the positive declarative sentence that corresponds to the transformed sentence 2.) Identify the sentence type Sentence: What courses have been scheduled for next fall? I
asked by Shari 
proportion test
In a manufacturing plant, the old machine produced widgets with a defect rate of 12%. The boss wants to check if the new machine has a different defect rate. So he took a random of 820 widgets, and found 85 of them were defective. Are these results
asked by oli 
chemistry
100ml of h2s04 solution having molarity 1M and density 1.5g/ml is mixed with 400ml of water. Calculate final molarity of h2s04 solution if final density is 1.25g/ml 50ml of 20.8% bacl2 and 100ml of 9.8% h2s04 solutions are mixed. Molarity of cl ions in the
asked by Ken 
E.D. Tech Help Please
What does it mean to say that a country's land area is positively correlated with its population? A.The larger the land area of a country, the higher its population tends to be. B. The smaller the land area of a country,the higher its population tends to
asked by Callie 
physics
A descent vehicle landing on the moon has a vertical velocity toward the surface of the moon of 22.7 m/s. At the same time, it has a horizontal velocity of 58.9 m/s. At what speed does the vehicle move along its descent path? Answer in units of m/s At what
asked by Frank 
physics
A roller coaster cart of mass m = 201 kg starts stationary at point A, where h1 = 27.7 m and a while later is at B, where h2 = 7.1 m. The acceleration of gravity is 9.8 m/s 2. What is the potential energy of the cart relative to the ground at A? Answer in
asked by Eric 
proportion test
How to solve this? In a manufacturing plant, the old machine produced widgets with a defect rate of 12%. The boss wants to check if the new machine has a different defect rate. So he took a random of 820 widgets, and found 85 of them were defective. Are
asked by oli 
intermediate algebra
A model rocket Is launched from a height of 50ft. The formula h=16t^2+70t +50 describes the rocket's height,h,in feet seconds after it was launched. How long will it take the rocket to reach to reachthe ground?
asked by Nellie 
chemistry
Consider the following reaction: 2 B5H9 + 12 O2 => 5 B2O3 + 9 H2O How many grams of O2 are needed to make 432.7 g of H2O?
asked by michelle 
Art History
An influence on the bowl with kufic border from Samarkand is: A. Chinese porcelain. B. Korean celadon. C. Greek pottery. D. Byzantine mosaic. I think it's D. Am I right?
asked by Pat 
statistics
A Coach found the correlation between physical fitness and athletic ability to be r=.65. the mean and standard deviation of the physical fitness test was 330, 50. the mean and standard deviation of the athletic ability test was 9, 2. If you have a physical
asked by Nicole 
Math
The inflection point of the curve y = x4 − 8x3 + 24x2 + 7x − 3 is? So I got (1,21) I was wondering if this is correct because sometimes I will be doing something completely wrong and not even realize it.
asked by Mariah 
6th grade science
an example of homeostasis is A) maintaining a constant body temperature B) responding to stimuli C) keeping the same number of cells in an organisms D)all of the above I put A) and had the wrong answer. I put that answer since homeostasis is maintaining a
asked by E6 
English
How would you describe waiting at a school bus stop in third person? Also trying to use metaphors and personification.
asked by Anonymous 
physics
1) In 2011, the total of all residential customers in Halton Region used 54 540 000 m3 of water. Halton Region has a population of around 500 000 people and Milton (part of Halton Region) has a population of around 85 000 people. Assuming all people in
asked by sara 
statistics
An employee currently earning $13.85 per hour has been awarded a 3.5 percent merit raise. what will the employee's hourly salary be with this increase?
asked by Anonymous 
Physics
The pistons of a hydraulic press have radii of 2.00cm and 12.00cm, respectively. A) What force must be applied to the smaller piston to exert a force of 5250N on the larger piston? B) What is the pressure in (N/cm2) on each piston? C) What is the
asked by Joe 
Physics
A brick of mass 2.3 kg is lifted to a height of 1.9 m. How much gravitational potential energy is added to the brick? Acceleration due to gravity is g = 9.8 m/s2.
asked by Jake 
Physics
You have a tanker that is filled with olive oil, which total mass = 200 kg. The tanker is in the shape of a rectangular box w/vertical sides and a horizontal crosssectional area 0.9 m^2. How deep a swimming pool do you need so that the tanker doesn't hit
asked by Lucy 
Math help/check
Suppose the functions f and g and their derivatives have the following values at x = 1 and x = 2. Let h(x) = f(g(x)). Evaluate h′(1). X  f(x) G(x) f'(x) g'(x) ____________________________ 1  8 2 1/3 3 2  3 4 2π 5 My answer: 6π
asked by Lily 
epidemiology
A new screening test for a disease is developed for use in the general population. The sensitivity and specificity of the new test are 60% and 70%, respectively. Four hundred (400) people are screened at a clinic during the first year the new test is
asked by anonymous 
Chemistry
8.5g of sample of iron required just 75cm3 of 3.00M HCl to dissolve it and give a neutral solution.Calculate the percentage purity of the sample of iron.
asked by Kazembeous 
Art History
Who ruled Byzantium in its first “golden age”? A. Constantine B. Charlemagne C. Justinian D. Muhammad II My text mentions but A and C, but I am leaning towards A.
asked by Pat 
physics
A 70.3kg person puts on a life jacket, jumps into the water, and floats. The jacket has a volume of 3.07 x 102 m3 and is completely submerged under the water. The volume of the person's body that is underwater is 6.49 x 102 m3. What is the density of
asked by S 
English
what does the diction and details reveal about the tone in this passage. "When first I took up my abode in the woods, that is, began to spend my nights as well as days there, which, by accident, was on Independence Day, or the Fourth of July, 1845, my
asked by Morgan 
math
A cylindrical water tank has a diameter of 1.2 m and a height of 1.5 m.How many liters of water can it hold the nearest liter?
asked by Anonymous 
Math
An equilateral triangle is inscribed in a circle. If the radius of the circle is 10 cm, calculate the length of a side of the triangle. Answer to nearest whole centimetre
asked by Anonymous 
math
4 multiple choice questions with 3 possible answers. What is the probability of answering the first, third, and fourth question correctly? 1/3 x 1/3 x 1/3 1/3 = 1/81
asked by kim 
Calculus
This is the question: i[dot]imgur[dot]com/EHneTuB[dot]jpg Am i correct in simply adding 1 + (3), and equates to (2) being the answer.
asked by Joshua 
Elementary Math
Miriam is four years older than Ricardo. Ten years ago Miriam was 3 times as old as Ricardo was then. How old are they now?
asked by Enis 
business
Which one of the following elements is part of an organizations broad environment?A.)stockholders B.)political trends C.)competitors D.)labor unions
asked by mr. tony 
Probabilitys Math
After the last game of the season a football team goes out for ice cream. Each player orders a triple cup of ice cream with a topping.Each order has 3 diffrent flavors, order doesnt matter.The shop has 7 diffrent flavors and 2 toppings to choose from iss
asked by Vicki 
Calculus Help
If f(x) = sin(7 − 5x), find f′(π), which is the derivative at π: −0.754 −0.657 0 0.657 3.770 I chose 0.657 ... I did not really get this exact answer, its just that while I was trying to figure this out my answer was actually 0.6978 but I just
asked by Nick 
Math
Find the value of b, if any, that will make the function differentiable at x = 0 g(x)= { x+b, x
asked by Robby 
physics
An air puck of mass 0.278 kg is tied to a string and allowed to revolve in a circle of radius 1.25 m on a horizontal, frictionless table. The other end of the string passes through a hole in the center of the table and a mass of 0.45 kg is tied to it. The
asked by sam 
math
find the volume triangular pyramid: triangle base 20mm triangle height 22mm, pyramid height 14mm
asked by jill 
Business
A new business has been launched with four employees who work for the entrepreneurowner. As the owner contemplates growth in sales and personnel, she realizes that the next step of growth will involve the special problem of? A.intermediate supervision
asked by kim 
English
what does the diction and details reveal about the tone in this passage. "When first I took up my abode in the woods, that is, began to spend my nights as well as days there, which, by accident, was on Independence Day, or the Fourth of July, 1845, my
asked by Morgan 
physics
Suppose we wish to use a 4.0 m iron bar to lift a heavy object by using it as a lever. If we place the pivot point at a distance of 0.5 m from the end of the bar that is in contact with the load and we can exert a downward force of 640 N on the other end
asked by lol 
physics grade 11
1) In 2011, the total of all residential customers in Halton Region used 54 540 000 m3 of water. Halton Region has a population of around 500 000 people and Milton (part of Halton Region) has a population of around 85 000 people. Assuming all people in
asked by sara 
physics
A solid disk rotates in the horizontal plane at an angular velocity of 0.040 rad/s with respect to an axis perpendicular to the disk at its center. The moment of inertia of the disk is 0.13 kg·m2. From above, sand is dropped straight down onto this
asked by bob 
Chem HW
COVALENT COMPOUNDS WORKSHEET 1. Find the Bond Lengths in the following compounds: report in pm a) SiF4 __________________________________________________ b) N2S3 : NN________________ NS _______________________________ c) HBr
asked by Theresa 
Physics
A ball is thrown horizontally from the top of a building 45.9 m high. The ball strikes the ground at a point 121 m from the base of the building. The acceleration of gravity is 9.8 m/s2 . Find the time the ball is in motion. Answer in units of s Find the
asked by Frank 
chemistry
Consider the reaction, 3 H2(g) + N2(g) => 2 NH3(g). How many grams of NH3 will be made by the reaction of 3 moles of H2(g) with 18 moles of N2(g
asked by michelle 
Geometry
Write a proof for the following Given: line AC is congruent to line BD, line AD is congruent to BC Prove: triangle DAX is congruent to triangle CBX It's an isosceles trapezoid. From top left is labeled A. Top right labeled B. Bottom right labeled C. Bottom
asked by Anonymous 
Financing
K Group just paid a $1.25 dividend per share. The dividend is expected to grow at 28% per annum for the next eight years. After that, this growth rate is expected to be 6% indefinitely. Presume that the beta of K Group is 1.2, and the risk premium 7.5% and
asked by stock valuation 
Chemistry
Write a balanced formula equation with phase indicators: Strong heating of copper(II) nitrate trihydrate produces copper (II) oxide, nitrogen dioxide, oxygen gas, and water (The part I'm confused about is how to write the molecular formula for copper (II)
asked by Kyla 
arithmetic
If you spent 85% of your money and have only $75.00 left, how much money did you start with?
asked by Rose 
math
the movie theater had 52 more occupied seats than empty seats. there are a total of 320 seats in the theater. How many seats were occupied?
asked by jimmy 
History
Andrew Jackson, was he really a president who stood up for the "common man" or did he become abusive of power and his office?
asked by Lilly 
math fractions
•math  Ms. Sue, Sunday, November 16, 2014 at 12:39pm 12 •math  bob, Sunday, November 16, 2014 at 12:56pm Ms. Sue can you tell me how you got that answer please. •math  Ms. Sue, Sunday, November 16, 2014 at 1:09pm Multiples of 6: 6, 12, 18, 24
asked by bob 
chemistry
Consider the equation: N2 + 3 H2 =>2 NH3. How many moles of NH3 will be made from 4.2 x 1023 molecules of N2? Give your answer to one decimal place.
asked by michelle 
Science
How and why do theories change?
asked by Anonymous 
Physics
A 25 kg box is being pulled across a surface. The coefficient of kinetic friction between the box and the surface is 0.55. a) if the box is moving at a constant speed, what is the pulling force? b)If the pulling force is 350 N, what is the NET force acting
asked by Daniel 
Math
Joan ran for 2.25 hours burning 3075.5 calories per hour how many total calories does he burn
asked by Fatima 
English
What components make up a compendious meganovel and how is this related to being a "Great American Book?" Thanks
asked by Sarah 
calculus
1. A particle moves along the xaxis, it's position at timer given by x(t)=t/(1+t^2), t greater than or equal to 0,where t is measured in seconds and x in meters. a) find the velocity at time t. I am a little confused.. Do I find the derivative by using
asked by Anonymous 
English
Does motion sensing need a hyphen?
asked by Susan 
algebra
Graph the piecewise function given by f(x)= 1/3x +2, x0
asked by gail 
Cal
Which of the following functions is continuous but not differentiable at x = 1? Functions: I.y=3√x1 II.y={x^2,x≤1 2x,x>1 III. y={x,x≤1 1/x,x>1 I'm not really sure how to do this, but I've been trying and I keep getting both I and III.. am I wrong?
asked by Rachel 
English
1. The hospital is for certain people. 2. He has a certain problem. 3. He has a sure problem. 4. He is certain that the boy is diligent.  Are they all grammatical? The meaning of 'certain' seems to be different. Does #2 mean #3?
asked by rfvv 
English
Do you know of any websites that have chapter summaries for the book "Plague of Doves?" Thanks!
asked by Sarah 
chemistry
Consider the reaction, 4 NH3 + 5 O2 => 4 NO + 6 H2O How many grams of NO will be made from 10.7 moles of O2?
asked by michelle 
statistics
The forms used in your coding area cost $100.00 per 1,000 forms for the first 2,000 and $50 for every 1,000 thereafter. If you need to order 5,000 forms, what is the total cost?
asked by anonymous 
science
If 19:3 of iron ore (Fe2O3) reacts completely with carbon monoxide . Calculate the mass of iron Fe that is formed
asked by banele 
law
How do you feel about juvenile delinquency?
asked by Keith 
Calculus
If I derive the following, d/dt((a)S(t^2) of (s)^(1/2)ds with S being integral notation (a) being at the bottom of the notation and being a constant (t^2) being at the top of the notation ..I first apply the fundamental theorem of calculus to get..
asked by Joshua 
statistics
How many ways can the sequence ANNV be arranged
asked by portgas d ace 
Physics
What is the kinetic energy in MeV of a π–meson that lives 1.80×1016 s as measured in the laboratory, and 0.840×1016 s when at rest relative to an observer, given that its rest energy is 135 MeV?
asked by Ashton 
Math
How is math and recycling related?
asked by Lorraine 
Calculus
These two q's for my homework I am very confused on how to do: First Question: Using Newton’s method, approximate the value of √5 up to 2 decimal points starting with x1 = 3. 2nd Question: Thomas Malthus was an economist that predicted that the
asked by Anonymous 
math/fractiom
Onefifth of your artsupply money goes for brushes. If you also spend 1 2 of your money on paint, what fraction of your money will you have left?
asked by shianne 
math
when a traffic light turns green, a car accelerates at a constant rate, the decelerates in the same manner to stop at the next traffic light. The speed of the car, s, is given by the equation, s=10 /t8/ + 80 where t is time. Find the time , t, it takes
asked by anna 
Math (calculus)
Prof gave us this question to practice but I do not know how to solve it. If you know please provide step by step with the answer so I can understand it. Thank you very much :) Suppose a rocket is launched from the ground with 10 seconds worth of fuel. The
asked by Anonymous 
Math:Algebra
Maya has 2 times as many apples as Ally if Ally has 87 apples how many apples dose Maya have now? Maya's sister takes some away. Write an algebraic expression that represents the amount of apples they have now?
asked by Rayan 
Physics
For the situation: "A moving crate slides to a halt on a rough surface" Does temperature increase, decrease, or not change? Are work and heat positive, negative, or zero? Does thermal energy increase, decrease, or not change? My answer key says temperature
asked by Courtney 
English
1. Listening to loud music isn't good for your ears, either. 2. Also, listening to loud music isn't good for your ears.  Are both the same in meaning?
asked by rfvv 
Physics question
What are some examples of vector calculations in travel in the real world. I can't really think of some that have to go with travel. I can see how vector calculations could happen in sports..But I cant really see how in travel. Can you help me?
asked by Arnold 
law
What is the context of the juvenile justice system
asked by Keith 
math
Is this correct 0.685 x 100 =68.5
asked by Angel 
Math
The tank is 1/2 full of water. The. A spherical wrecking ball with radius of 2ft is dropped into the tank. How far will the water level rise once the sphere is completely submerged? I cant figure it out. I've been trying for two days now. And its due..
asked by Amber 
Math
Find all possible rational roots using the rational root theorem. 3x^3 + 2x^2  1 = 0 plus/minus 1/3 and plus/minus 1?
asked by Anonymous 
Math Elementary Linear Algebra
determine whether or not the given set forms a basis for the indicated subspace: #1 {1,1,0), (1,1,1)} for the subspace of R^3 of all (x,y,z) such that y= x+z #2 {[1,2,1,3), (0,0,0,0)} for the subspace of R^4 of all vectors of the form (a,b, ab,a+b) and
asked by Anna 
physics
Objects of masses m1 = 4.00 kg and m2 = 9.00 kg are connected by a light string that passes over a frictionless pulley as in Figure P4.48. The object m1 is held at rest on the floor, and m2 rests on a fixed incline of θ = 36.0°. The objects are released
asked by DeShawn 
Math
16 dogs share a bowl of food. Each dog eats half a cup. Write & solve a division equation to find how much dog food was in bowl. Would this be c=16/2 c=8 (c=cups) Thanks for your help.
asked by Clark 
English
I am supposed to paraphrase the ideas that Emerson introduces in this passage "There is a time in every man's education when he arrives at the conviction that envy is ignorance; that imitation is suicide; that he must take himself for better for worse as
asked by Morgan 
statistics
if your HIM department has 100,000 active records and you received 5,352 requests for records within a sixmonth period, what is the request rate for the past six months?
asked by Anonymous 
English
1. Don't touch. 2. Don't take pictures 3. Don't bring pets. 4. Don't bring/use _______________. 5. Don't use cellphones.  There are five kinds of signs. They are stop signs. There is a line from the top left to the bottom right. Are
asked by rfvv 
PreCal
If g(x) = tan (5x2), then g ′(x) = ? I've worked this problem out like four times already and I keep getting a complete different answer..So I think I'm doing it wrong. These are the answers I have gotten while doing this problem. g'(x)= cosx^2 5tan
asked by Lily 
Trig
Determine the intervals of continuity of f(x)= ln(sin(x)) I looked at the graph and I have no idea how to state the intervals.
asked by Jet 
Honors Science
Why would vinegar be expressed in liters and milliliters?
asked by Jennifer 
chemistry
Consider the equation: N2 + 3 H2 =>2 NH3. How many moles of NH3 will be made from 2.1 x 1024 molecules of N2?
asked by michelle 
physics
a 7 kg ball is thrown into the air from ground level with an initial velocity of 24m/s. Determine the ball's maximum height. Use conservation of energy. help!!!
asked by Isabelle 
Math
In a coordinate plane, Brittany labeled the coordinates for point m as (31/2,2). Sade tells Brittany to reflect point m over the x axis to point r. What are the coordinate of point r?
asked by David 
math
What is the GCF of 8 and 24? What is the LCM of 8 and 24?Write the sum of 8 + 24 as the product of its GCF and another sum.
asked by jack 
Computing: Simple Python
Hi this is the code I'm working on, but every time I run it, every character inputted is printed, so hello becomes 'h','e','l','l','o', even numbers! I can't seem to fix it so that it can be added to the list and printed normally, thanks! #Printing the
asked by Python 
Statistics
Community Health Center, a new patient clinic in your town serving only underinsured and uninsured patients, has asked you to help its HIM department get started. Calculate the number of new shelving units needed for a medical record filing system based on
asked by Anonymous 
Math
Complete number line from 0 to 3 in thirds. In fractions.
asked by Manny 
Chemistry (Acid&Base)
How many mL of 0.203 M HCl(aq) are required to prepare a diluted solution that has a concentration of 0.0433 M in a 100mL volumetric flask?
asked by Bill 
Statistics
It takes approximately 15 minutes to code one record, How many personnel hours would be needed to code 1,424 discharges for the month?
asked by Anonymous 
math
52.36*0.3*5.65?
asked by azumtaj 
physics
What is the kinetic energy in MeV of a π–meson that lives 1.80×1016 s as measured in the laboratory, and 0.840×1016 s when at rest relative to an observer, given that its rest energy is 135 MeV?
asked by Tim 
Thank Jiskha tutors
I really appreciate all that you tutors do for us, I know we may be a bit demanding sometimes XD but we really love how you guys are always there to help us out. Coming from experience, I've had some past teachers that aren't as willing to help us when we
asked by Andrew 
MATH 101
Find f(x)if f(3) = 0 and f(−4) = 0.
asked by Haylee 
MATH 101
Solve the equation. You will have three solutions. X^38=0
asked by Haylee 
1210 Math
A projectile follows a parabolic path whose height, in meters, is given by the function f(x) =x^+2x+2, find the maximum horizontal distance that the projectile may cover
asked by Gary 
Math
Find all possible rational roots using the rational root theorem. x^4  3x^2 + 12 = 0 Plus/minus 1, 2, 3, 4, 6, 12?
asked by Anonymous 
Business Communication
While having breakfast with a friend she tells you that her office recently implemented flextime hours. It has been a positive change at his work place, and you think that it would be great to have this at your office too. You decide to approach your boss
asked by Goody 
Calculus I (PLEASE HELP!)
These two q's for my homework I am very confused on how to do: First Question: Using Newton’s method, approximate the value of √5 up to 2 decimal points starting with x1 = 3. 2nd Question: Thomas Malthus was an economist that predicted that the
asked by Anonymous 
Six grade percent
what number is 15% of 50? I'm working this problem two different ways and I'm getting different answers. my two answers are 30 or 7.5. Can somebody tell me which answer is correct?
asked by Stephon 
math
I need to figure coupon code. Code is 5 43000 18670 6. Do i subtract the 5 or add?
asked by shawn 
ScienceDNA
Why DNA cannot grow from 3’ to 5’ direction — why this is important for proofreading?
asked by Jonah 
French
What colours mix well with !@#$%^&hsia?
asked by Tashanae 
statistics
After one month of operation, the health information services at Community Health Center determined that there were two records misfiled out of the 450 active records. What is the filing accuracy rate for this area?
asked by Anonymous 
CAL
The slope of the tangent line to the graph y= x^3/x x at the point (1, 2/3) I keep getting undefined as a answer but.. I feel like I might be doing something wrong because I feel like that is not the answer, can you help me please?
asked by Mary 
Math
Solve (16x^2)^3/4 Please help using step by step. I don't understand how to do this. Thank you
asked by Cherie 
math
how many cubic inches in 7'8"L, 12'2"W, 10'1" tall? please show how you get to the answer. I added up the feet (7+12+10=29 ft) and multiplied by 12 inches (29x12=348 in), then added on the remaining inches (8+2+1=11, 348+11) to come up with an answer of
asked by Matt 
Debate English
In a debate, after the opposing team poses a question, can our team just stand up and answer or do we have to wait until someone tells us that we are allowed to answer?
asked by Curri 
statistics
The 95 percent confidence interval about a mean difference was 3.0 minutes to 6.5 minutes. The null hypothesis that the two population means are equal
asked by angel 
law
Are parents and school management playing a suitable role to control increasing school violence? If not, what else can they do to help solve the problem of school violence?
asked by Keith 
Genetics
A portion of alcohol dehydrogenase enzyme contains 375 amino acids. Including both amino acid and all other necessary codes, how long is the coding portion of the corresponding mRNA? Thanks
asked by Mandy 
chemistry
2.15 g of a substance X contain 4.34 x 1022 molecules of X. Calculate the molar mass of X in g/mol.
asked by michelle 
physics
You have a coil with 20 loops inside a magnetic field generator that is temporarily generating a field that has a rate of change of 0.25. The other end of this coil is wrapped around a core with 15 turns. How many turns must a second coil wrapped around
asked by Anonymous 
English
In the sentence Mr. Ortiz plays the violin in a local orchestra. Is plays present or present participle?
asked by Kelley 
Math
Surveyors with a highway planning crew measure a section of proposed roadway to be 4.4 km. They measure the angle of inclination over the 4.4 km to be 8.5 degrees. Determine the change in altitude for drivers travelling from one end to the other. Answer to
asked by Anonymous 
English
Where would I put the apostrophe on: Close the children's mouths? Since there is more than one child and more than one mouth, is it before or after the s?
asked by Susan 
Math
show that the set of all mvectors whose first components is 0 (of R^m)
asked by Anna 
Calc
evaluate the integral of 2e^xdx from 5 to 5.
asked by sam 
Business Math
How is math and recycling related?
asked by Lorraine 
Chemistry
How many moles of CO2 will be made from 115.4 grams of C3H8?
asked by Michelle 
Crime Scene Sketching
you will have the opportunity to practice sketching a room. Take measurements of a small room to which you have access. Plot out the simple floor plan. Review the methods of measurement and select one for this project. Pick an object in your room and use
asked by Stephanie 
Chemistry
Are there any chemical reactions or observations that involve sodium hydroxide or any other bases, but cannot be used to confirm its basic nature?
asked by John 
Mathematics
Arrange 6/8 ; 1/6 ; 3/3 in increasing order
asked by Anonymous 
Science
I need help! What are eight examples of simple machines And eight examples of compound machines I can't think of more right now
asked by Sarah 
Derivative
Can you help me find the derivative of y= cos(x)/1+sin(x).. the / is a fraction bar. I have a hard time finding trig derivatives because I don't really know what the derivative of cos,sin ,or tan would be honestly.
asked by Angel 
algebra 2
h(t)=4.9t^2+30.5t+8.5
asked by Jesse 
math
How do i find solutions to 20x^3125x=0?
asked by Anonymous 
science
Write the oxdation state of manganese : mncl2 mno4 mno4
asked by the ss 
math
solve for x x+√(319x)=5
asked by Anonymous 
law
Are the juvenile courts doing enough to change the treatment of juveniles in the justice system?
asked by Keith 
arithmetic
How do I solve 15x=75?
asked by Rose 
spelling spree
word hunt write the spelling word that you find in each of the longer words below example: restored
asked by ian rama 
algebra
w(3w1)=200 solve for w
asked by Jen 
math
52.36*0.3*5.65
asked by azumtaj 
math
How do I solve x^2+2x+4>0 and what does the solution tell you?
asked by Anonymous 
maths
a:b=c:d=3:5=?
asked by manisha