Questions Asked on
October 13, 2011

chemistry
Write the balanced molecular, complete ionic, and net ionic equations for the following reactions in aqueous solution: a. magnesium chloride reacts with potassium carbonate b. sulfuric acid reacts with sodium hydroxide
asked by gold 
ALGEBRA 2
WHAT IS THE RIDDLE TO ALGEBRA WITH PIZZAZZ WORK SHEET 56??
asked by ANGELO 
Physics
A sled is being held at rest on a slope that makes an angle (theta) with the horizontal. After the sled is released, it slides a distance (d1) down the slope and then covers the distance (d2) along the horizontal terrain before stopping. Find the
asked by Mary 
calculus
At noon, ship A is 110 km west of ship B. Ship A is sailing east at 25 km/h and ship B is sailing north at 15 km/h. How fast is the distance between the ships changing at 4:00 PM?
asked by John 
Physics
Two equal charges are separated by 3.7 x 10^10 m. The force between the charges has a magnitude of 2.37 x 10^3 N. What is the magnitude of q on the charges? can some one explain to me how to do this step by step. Not that great at math hope you can help.
asked by aichan 
Chemistry
Acetylene gas, C2H2, is used for welding. A 5liter supply of acetylene being stored at 23ºC, exerts a pressure of 5 atm. At what temperature would the same number of moles of acetylene, moved to a 10liter container, produce a pressure of 2 atm?
asked by Anonymous 
CHEMISTRY
What coefficients are needed to balance the equation for the complete combustion of methane? Enter the coefficients in the order CH4,O2,CO2, and H2O,respectively. Express your answer as four integers, separated by commas (e.g., 1,2,3,4).
asked by CHRIS 
Physics
five hundred kcal of heat is added to 2kg of water at 80 degree Celsius. how much steam is produced?
asked by xam 
geometry
in the diagram below of triangle abc, de is a midsegment of triangle abc, de=7, ab=10, and bc=13.find the perimeter
asked by joe 
Physics
Suppose two boxes on a frictionless table are connected by a heavy cord of mass 1.0 kg. Calculate the acceleration (magnitude) of each box and the tension (magnitude) at each end of the cored, using the freebody diagrams shown in Figure 453. Assume FP =
asked by Sydney 
Physics
what is the moment of interia of a solid cylinder of radius R=0.0950m thickness t=0.015m total mass M=3.565kg? show your work
asked by Arthur 
Math
(1) Attack of the 50ft Turnip plays at 7:10. It is now quarter to seven. How long before the movie starts? (2) It takes 30 minutes to drive to the movie theater. They Saved Frankenstein's Lunch begins playing at ten after 1. What is the latest you can
asked by Little Lisa 
math
A ball is thrown from the edge of a cliff with an initial velocity of 60·m/s upward. Answer the following questions using + (upward) and  (downward) to indicate the direction of the velocity. Ignore air resistance and assume the ball does not hit the
asked by jen 
chemistry
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 400 mL of a solution that has a concentration of Na+ ions of 1.00 M?
asked by Colin 
statistics
A telemarketing supervisor tells a new worker that the odds of making a sale on a single call are 4 to 15. What is the probability of a successful call? (Enter your answer to 2 decimal places.)
asked by Anonymous 
Chemistry (PLEASE HELP ME)
1. According to the phase diagram for water, how is the state of water determined? a. proceed up a vertical line at any given temperature b. read the phase at the intersection of any given temperature and pressure c. at a given pressure, proceed
asked by Angel 
science
spent steam from an electric generating plant leaves the turbines at 120.0 C and is cooled to 90. 0 C liquid water by water from a cooling tower in a heat exchanger. How much heat is removed by the cooling tower water for each kg of spent steam?
asked by doug 
Math
the height of a rocket above the ground is modelled by the quadratic function h(t)=4t^2+32t a) how long will the rocket be in the air ? how do you know? b) what is the maximum height that the rocket will reach ?
asked by Melissa 
Chem
1. According to the phase diagram for water, how is the state of water determined? a. proceed up a vertical line at any given temperature b. read the phase at the intersection of any given temperature and pressure c. at a given pressure, proceed
asked by Angel 
Physics
The critical angle for a transparent material in air is 30 degrees. The index of refraction of the material is most nearly A) 0.33 B) 0.50 D) 1.5 E) 2.0
asked by Astrogirl 
Algebra
A jet leaves the Charlotte, North Carolina, airport traveling at an average rate of 564 km/h. Another jet leaves the airport one half hour later traveling at 744km/h in the same direction. Use an equation to find how long the second jet will take to
asked by Brianna 
physics
A race car enters a flat 200 m radius curve at a speed of 20 m/swhile increasing its speed at a constant 2 m/s2. If thecoefficient of static friction is .700, what will the speed of thecar be when the car beings to slide?
asked by holt 
chemistry
The laboratory technician accidentally mixed NaHCO3 with BaCl2*2H2O instead of KCl when preparing unknown mixtures for this experiment. How would this mistake affect the calculated percentage of NaHCO3 in the mixture? Justify your answer with an
asked by Gary 
using an expanded algorithm
How do I use an array to find partial products for 4x36?
asked by acid burn 
English
Which of the following are characteristics of allegory? A. Immitation B. Humor C. Didacticism D. Spiral Plot C. Music
asked by Britt 
Chemistry
What mass of NaCl is needed to precipitate all the silver ions from 20.0 mL of 0.100 M AgNO3 solution?
asked by Joe 
Physics
A car drives up a straight hill at a constant speed of 60 kilometers per hour. A truck drives over the crest of the hill at a constant speed of 60 miles per hour. What is the net force on the car and on the truck? 1. both not zero 2. not zero; zero 3. both
asked by Mathew 
Chemistry
Convert a pressure of 23.8 in. Hg into kilopascal. Ok so I looked up kilopascal and it Said 1 Kpa = 1000 pa So I began to set it up like this 23.8 / 29.2 x1000 am I correct Chemistry  DrBob222, Thursday, October 13, 2011 at 1:48pm I don't think that will
asked by Monique 
Physics
five hundred kcal of heat is added to 2kg of water at 80⁰C. how much steam is produced?
asked by xam 
math
A basket contains 11 pieces of fruit: 4 apples, 5 oranges, and 2 bananas. Jonas takes a piece of fruit at random from the basket, and then Beth takes a piece at random. What is the probability that Jonas will get an orange and Beth will get an apple?
asked by stephanie 
calculus
a large ferris wheel is 100 feet in diameter and rises 10 feet off the ground. each revolution of the wheel takes 30 seconds. A) express the vertical distance "H" of the seat off the ground as a function of time "t" if t=0 corresponds to a time when the
asked by rachel 
physics
five hundred kcal of heat is added to 2kg of water at 80⁰C. how much steam is produced?
asked by xam 
Chemistry
As a system increases in volume, it absorbs 52.5 J of energy in the form of heat from the surroundings. The piston is working against a pressure of 0.500 atm. The final volume of the system is 58.0 L. What was the initial volume of the system if the
asked by Sam 
physics
you are driving a 2520.0kg car at a constant speed of 14.0 m/s along a wet, but straight, level road. As you approach an intersection, the traffic light turns red. You slam on the brakes. The car's wheels lock, the tires begin skidding, and the car slides
asked by James 
social studies
Carrie is being held by her father. She is smiling at him one minute and then, unexpectedly, she slaps his face. This is a sign of which type of attachment? A) insecureavoidant B) disorganized C) securedetached D) ambivalent
asked by dianah 
Physics (2)
If it takes 4.00 J of work to stretch a Hooke's Law spring 10.0 cm from its unstressed length, determine the extra work required to stretch it an additional 10.0 cm
asked by Whitney 
chemistry 12
Calculate [H3O+] and [OH] in 0.22M KOH(aq)
asked by Shellu 
chemistry
A solution of 11.7 g of fructose in 325 g of ethanol has a boiling point of 78.59 C. The boiling point of ethanol is 78.34 C and kb for ethanol is 1.2 C/m. What is the molecular weight of fructose?
asked by krista 
Physics
A ball is thrown horizontally from the roof of a building 55 m tall and lands 50 m from the base. What was the ball's initial speed?
asked by Millie 
Physics
A box of books weighing 303 N moves with a constant velocity across the floor when it is pushed with a force of 400 N exerted downward at an angle of 38.6 degrees below the horizontal. Find ìk between the box and the floor. Well I know that I have to use
asked by Neha 
English
Could you please check the word choice? Thank you very much. 1) Mary admits that she has always fancied Ian. Ian started chatting her up at Jessie's party. However, another girl turned up and Ian had a row with her. 2) At first, Mary didn't realize that
asked by Henry2 
PHYSICS HELP PLEASE!
The maximum wavelength of light emitted from a blackbody that will emit electrons from a given piece of metal is 255nm. What is the fraction of total energy emitted from the black body that emits electrons? I set up the integral:
asked by Tom 
chemistry 12
Identify the two conjugate acidbase pairs in each of the following. a.) H2PO4(aq)+HSO4(aq) H2PO4(aq)+ SO4^2(aq) b.) HI(aq)+ CN(aq)HCN(aq)+ I(aq)
asked by shelly 
physics
suppose an experimental arrangement like the one in part 2 has mass m1= 0.200kg at the 0.100m mark and a mass m2=0.100 kg at 0.750m mark. Can the system be put in equilibrium by a 0.050kg mass? if it can not be done state where it would be placed. If it
asked by Matthew 
calculus
A trough is 16 ft long and its ends have the shape of isosceles triangles that are 5 ft across at the top and have a height of 1 ft. If the trough is being filled with water at a rate of 11 ft3/min, how fast is the water level rising when the water is 7
asked by Jack 
Math
Round 50.4 square miles to the nearest Square mile
asked by J 
chemistry 12
sketch a ph curve for the titration 40.00 mLof 0.100M hyrazine H2NNH2(aq) having a Kb of 3.0 x 10^6 by 0.100 M HCIO4(aq)
asked by Shelly 
Geography
Following the breakup of the Soviet Union, what are some of the major problems faced by many of the new countries? Thanks.
asked by Tim 
Calculus
Use linear approximation to estimate the amount of paint in cubic centimeters needed to apply a coat of paint cm thick to a hemispherical dome with a diameter of meters
asked by Isiah 
Confused
Somebody at my school said that Jiskha homework help blocked them from posting answers for no reason. That person is a big bully and I don't believe him. Is that true? Why would that happen...? Confused... Hello Kitty :)
asked by Hello Kitty 
World History
The world's oldest recognized monarchy is found in _____. a. Kush b. Egypt c. Nubia
asked by Angel 
chemistry 12
Calculate [H3O^] in a 0.15M solution of benzoic acid, HC7H5O2(aq) having a Ka of 6.4 x 10^5 I got. 6.4x10^5=(x)(x)/0.15 6.4x10^5= x^2/0.15 6.4x10^5 x 0.15 = x^2 square root of 9.6x10^6 = square root of x^2 x= 0.003098 The pH solution is log
asked by shelly 
CHEMISTRY
What mass of water is produced from the complete combustion of 2.60×10−3 of methane? Express your answer with the appropriate units.
asked by CHRIS 
Algebra
Using each of the following scales, find the dimensions in a blueprint of an 8ftby12ft room. 1. 1 in.:2ft 2. 1 in.:4ft
asked by Brianna 
Algebra
The sum of two consecutive even integers is 118. A. Define a variable for the smaller integer. B. What must you add to an even integer to get the next greater even integer? C. Write an expression for the second integer. D. Write and solve an equation to
asked by Brianna 
MATH
1) Attack of the 50ft Turnip plays at 7:10. It is now quarter to seven. How long before the movie starts? (2) It takes 30 minutes to drive to the movie theater. They Saved Frankenstein's Lunch begins playing at ten after 1. What is the latest you can leave
asked by Little Lisa 
chemistry
The density of dry air measured at 25 degrees celsius is 1.19 x 10 to the negative 3 g/cm cubed. What is the volume of 50.0g of air?
asked by Jasmine 
Physics
A missile is shot straight up into the air. At the peak of its trajectory, it breaks up into three pieces of equal mass, all of which move horizontally away from the point of the explosion. one piece travels in a horizontal direction of 28degrees east of
asked by Anonymous 
physics(Quick!)
if a car accelerates from rest at a constant 5.5 m/s^2, how long will it take for the car to reach a velocity of 28 m/s
asked by ... 
Chemmistry gas laws
CH2==Ch2(g) > CH4(g) + C (graphite) If the decomposition begina at 10 degrees C and 50.0 atm with a gas density of 0.215 g/mL and the temperature increases by 950K, what is the final pressure of the confined gas (ignore the volume of graphite and use
asked by tori 
statistics
A telemarketing supervisor tells a new worker that the odds of making a sale on a single call are 4 to 15. What is the probability of a successful call? (Enter your answer to 2 decimal places.)
asked by Anonymous 
Chemistry
In one experiment, the mass of water is 92.6 grams, the initial temperature of the water is 67.6oC, the mass of liquid nitrogen added to the water is 61.4 grams, and the final temperature of the water, after the liquid nitrogen has vaporized, is 35.6oC.
asked by Carrie 
canyons,dunes,and deltas SCIENCE
What are some interesting facts about dunes,canyons,and deltas?
asked by Jayden 
Chemistry
A scientist wants to make a solution of tribasic sodium phosphate, , for a laboratory experiment. How many grams of will be needed to produce 625 of a solution that has a concentration of ions of 0.800
asked by Maddy 
Possessive nouns
I'm stuck on to stupid questions tell me the answer ok worry haunted the refugee ____ eyes a.childrens b children's c.childrens' or d.childrens's not d for sure
asked by Tttttttt 
algebra 1b
Use the table below to find the products of the two polynomials. Enter your answer in descending order in the box below. Enter exponents using the caret ( ^ ). For example, you would enter as 4x^2. Do not enter spaces in your answer. (x3 + 2x2  2)(x3  3x
asked by sam 
4th grade Math
what wil be the next number pattern 1, 2, 4, 8, 16, ? Thanks!
asked by Ryan 
Physics
The tallest volcano in the solar system is the 29 km tall Martian volcano, Olympus Mons. An astronaut drops a ball off the rim of the crater and that the free fall acceleration of the ball remains constant throughout the ball’s 29 km fall at a value of
asked by Whitney 
physics
A cart loaded with bricks has a total mass of 13.5 kg and is pulled at constant speed by a rope.The rope is inclined at 27.9 degrees above the horizontal and the cart moves 13mts on a horizontal floor.The co efficient of kinetic friction between ground and
asked by Saumya 
math
the width of a squarebased storage tank is 3m less than its height. The tank has a capacity of 20m^3. If the dimensions are integer values in metres, what are they?
asked by justme 
Correct grammar
Pick the correct answer which corrects the underlined portion of the following sentences in the simplest way possible – for grammar and/or style, without changing the basic meaning of each sentence. In the evening you can go to a restaurant and order a
asked by ME 
Math ( any help would be great!)
a ball is kicked in the air from the top of a cliff , the path that the ball travels is given by the equation h(t)=5t^2+17t+22, where h(t) is the height given in meters and t is the time seconds. a) how high is the cliff ? b)what is the maximum height the
asked by Erin 
chemistry
Determine the mass of KHP (molar mas = 204.2 g/mol) that is required to react with 30.0 mL of 1.0 M Na0H (molar mass 40.0 g/mol)if the reaction is NaOH + KHP > NaKP + H2O
asked by chris 
Functions
What is the purpose of division of polynomials?
asked by Rebecca 
algebra w o r d Problem
1) the seventh grade class has been collecting aluminum cans for recycling. the class has collected 210 cans. their goal is to collect 520 cans. write an equation and estimate the number aluminum cans needed to reach their goal. i got this: c + 210 = 520:
asked by marko 
English
I'm posting you the part of the song I didn't include before. 1) I knew I shouldn't have left the appartement /I knew I should've stayed in watching TV/ If I'd looked at the moon and looked at my stars /I wouldn't be in this mess I'm in right now I
asked by Henry2 
Chemistry
FeS2 (s) + O2(g) > SO2(g) +Fe203(s) (unbalanced) a production error leads to the sulfide being placed in a 950L vessel with insufficient oxygen. Initially, the partial pressure of O2 is 0.64 atm, and the total pressure is 1.05 atm, with the balance
asked by tori 
identify sentences
1. Reading is essential for becoming a savvy member of one's community, and writing is essential for expressing one's viewpoint effectively in that community. A. Compound sentence. B. parallel compound sentences. C. 3 point topic sentence, with good
asked by ME 
chemistry
What mass of carbon dioxide is produced from the complete combustion of 2.60×10−3 of methane?
asked by CHRIS 
Literature POETRY, PART 1
Which one of the following lines best illustrates personification? A. A narrow wind complains all day. B. The fog comes on little cat feet. C. She floated graceful as a dove. D. Spring is a dream unsung.
asked by Linda 
Physics
What equation is the rotational equilvalent of newton's law ? give the meaning of each symbol and state which rotational quantites are analogous to which linear quantities.
asked by leslie 
chemistry
For a week acid whose ionization constant is 1.75 x 10(5), the pH of its solution is 3.0. Determine its degree of ionization and its percent ionization.
asked by chris 
statistics
What is the standard deviation of a normal distribution, whose mean is 35, in which an xvalue of 23 has a zscore of 1.63?
asked by Becky 
physics
Two boxes of masses 21.6 kg and 28.2 kg sit on a smooth, frictionless surface. The boxes are in contact, and a horizontal force of 68.2 pushes horizontally against the smaller box. What is the acceleration of the two boxes?
asked by Tina 
english help!!! Correcting Grammar
1. Of the four sentence types and purposes, the sentence type and purpose used most often in expository writing is: a. Simple b. Compound c. Complex d. Compound/Complex 2. Each of the committee members is expect to be there on time. Answer a. noun b.
asked by ME 
English Help!!! Correcting Grammar
Choose the word in the following sentences that is grammatically incorrect: 1. Lisa enjoys meeting men who are very intelligent and real refined, but not too egotistical. Answer a. enjoys b. very c. real d. too e. egotistical IDENTIFY BELOW! 2. My lady and
asked by ME 
physics
Suppose that the coefficient of friction between your feet and the floor, while wearing socks, is 0.250. Knowing this, you decide to get a running start and then slide across the floor.
asked by Luke 
chemistry 12
Is HOCl(aq) a polyprotic acid? Explain
asked by mike 
Math
The markup on a desk is 38 % of the sale price. If the desk sells for $ 838.71 , what was the cost? (a) $ 22.07 (b) $ 502.00 (c) $ 450.00 (d) $ 607.76 (e) $ 520.00 When i divide $838.71 by 38% i get 2207.131579 When I multiply 838.71 and 38% i get 318.7174
asked by Anonymous 
Peacocks
Why are male peacocks colorful? How is it an effective adaption?
asked by help 
Calc
A farmer wishes to enclose a rectangular pen with area 100 square feet next to a road. The fence along the road is to be reinforced and costs $34 per foot. Fencing that coast $16 per foot can be used for the other three sides. What dimensions for the pen
asked by Andres 
Calculus
Assume the world population will continue to grow exponentially with a growth constant (corresponding to a doubling time of about 52 years), it takes acre of land to supply food for one person, and there are 13,500,000 square miles of arable land in in the
asked by Isiah 
Grammar
What exsits or orcurrs in space that is 19 spaces long. The sencond letter is a P. The 9 letter is a R, the 12th letter n and the last letter is n. Thank you.
asked by Anonymous 
Physics
An objectis thrown upward from the edge of a tall building with a velocity of 10m/s. Where will the object be 3s after it is thrown? Take g = 10m/s^2 15m above the top of the building 30m below the top of the building 15m below the top of the building 30m
asked by Lawrence 
Physics
A passenger in a moving car and a passerby standing at the road side see each other as moving in the opposite direction. Which of the following is not true?< (A) The passenger is in motion relative to the passerby (B) The passerby is stationery relative
asked by Lawrence 
Chemistry
Consider a mixture of air and gasoline vapor in a cylinder with a piston. The original volume is 50. cm3. If the combustion of this mixture releases 990. J of energy, to what volume will the gases expand against a constant pressure of 645 torr if all the
asked by Sam 
chemistry
Nitrosyl chloride, NOCL, decomposes to NO and C1 in accordance with the following equation: 2NOC1(g)> 2NO(g)+ C1 2(g) Determine the rate equation and the rate constant for the reaction for the following data: [NOC] 0.10 0.20 Rate, M/s 0.8 x 10(3) 3.20 x
asked by krista 
Statistics
Suppose we want to determine the (binomial) probability (p) of getting 4 heads in 15 flips of a 2sided coin. Using the Binomial Probabilities Table in Appendix B of the text, what values of n, x and p would we use to look up this probability, and what
asked by destiny 
operating a car
It is important to make sure that any person selling you a car has : A.physical possession of the vehicle. B.informed the motor vehicles department of the intention to sell the vehicle. C.legal title to the vehicle. D.a good reputation for honesty. i got C
asked by Ciara 
chemistry
Write an equation for the hydrolysis of each of the following salt: i) NaCH2H3O2; ii) Na2CO3; iii) NH4Br
asked by chris 
math
the passenger section of a train has width 2x7, length 2x+3, and height x2, with all dimensions in metres. solve a polynomial equation to determine the dimensions of the section of the train if the volume is 117m^3.
asked by justme 
Global History
What do these terms mean in ancient African civilizations and why were they important? rites of passage age set systems triangle trade middle passage What were the impacts of the slave trade on Africa? What are some similarities between the various
asked by Manuela 
physics
A golfer takes two putts to get his ball into the hole once he is on the green. The first putt displaces the ball 6.90 m east, the second 7.70 m south. What displacement would have been needed to get the ball into the hole on the first putt?
asked by ashley 
MATh
Kesha dove from Buffalo to Syracuse at an average rate of 48miles per hour. On the return trip along the same road she was able to travel at an average rate of 60 miles per hour.The trip from Buffalo to Syracuse took one half hour longer than the return
asked by Tiffany 
Physics
Starting from rest, a 5.00 kg block slides 2.50 m down a rough 30.0 degree incline. The coefficient of kinetic friction between block and the incline is .436. Determine the work done by the friction force between block and incline and the work done on the
asked by Dee 
physics
A car traveling initially at 7.41 m/s accelerates at the rate of 0.752 m/s 2 for 2.74 s. What is its velocity at the end of the acceleration? Answer in units of m/s
asked by Asdfghjkl 
English
1. All they had to do was go to one of these places. 2. All they had to do was to go to one of these places. (Are both grammatically correct? Which one is grammatically correct?) 3. All you have to do is finish your homeowrk. 4. All you have to do is to
asked by rfvv 
English part of speech Help
The part of speech is in all caps: 1. "Way too cool" is a colloquial expression that should never be used in FORMAL writing. a. noun b. pronoun c. verb d. adjective e. adverb f. preposition g. conjunction 2. Each person in this CLASS has a desire to be
asked by ME 
trigonometry
The side of a lake has a uniform angle of elevation of 15 degrees 30 feet. How far up the side of the lake does the water rise if the height of the lake increases by 7.3 feet during flood season.
asked by Charlie 
physics
The hangtime of a basketball player who jumps a vertical distance of 2 feet (0.61 m) is about 0.70 second. What will be the hangtime if the player reaches the same height while jumping 3 feet (0.91 m) horizontally?
asked by jen 
Can someone help me please?
A set of 50 data values has a mean of 15 and a variance of 25. Find the standard score of a data value = 20
asked by Jennifer 
career guide
which subjects are compulsory for a science student who wants to be an architect
asked by jacobs shalom 
social s.
another word for trail of tears
asked by chris 
English
1. He made me go there. 2. I was made to go there by him. 3. I was forced to go there by him. 4. He had me go there. 5. I was had to to there by him. 6. I was asked to go there by him. 7. He let me go there. 8. I was let to go there by him. 9. I was
asked by rfvv 
Graphs&Intercepts
Write a sentence comparing the graphs of equations with a positive coefficient of x and graphs with a negeative coefficient of x
asked by Jamal 
physics
A ball thrown horizontally at 22.3 m/s from the roof of a building lands 31.0 m from the base of the building. How high is the building?
asked by Tina 
PreCalculus
Please check my answer: I think it's correct? 1.Find polar form of (3,2) r=sqrt of (3)^2 + 2^2)=sqrt (13) = 3.61 tan^1(2/3) = 33.79 18033.79 = 146.31degrees polar points are (sqrt13,146.31degrees) 2. Rectangular form of (3,112degrees) 3cos112= (1.12)
asked by Courtney 
managerial Economics
If a stock is expected to pay an annual dividend of $20 forever, what Is the approximate present value of the stock, given that the discount Rate is 5%?
asked by Bassam 
ENGLISH HELP!!! Correcting Grammar
What is the main verb in the following sentence? 1. This building, the largest on campus, houses most of the administration offices. a. building b. campus c. houses d. there is no main verb 2. My lady and I are taking a long walk through the park this
asked by ME 
Calculus
Find the equation (in terms of x and y) of the tangent line to the curve r=3sin3(theta) at theta=pi/4. I don't know if I'm taking the right approach for this question but her goes what I did: I found the slope I got
asked by Jessica 
Physics
Suppose the force of friction on a sliding object is 25 N. What is the force needed to maintain a constant velocity?
asked by Michelle 
physics
In an 8.00 {\rm km} race, one runner runs at a steady 12.0 {\rm km}/{\rm h} and another runs at 14.0 {\rm km}/{\rm h}.
asked by Anonymous 
chemistry 12
If the pH of a solution is 3.5, what colour will be shown by each of the following indicators in the solution? a)Methyl Violet b) methyl red c) Methyl orange d) phenolphthalein My answers: a) Yellow to Blue b) Red to Yellow c) Red to Yellow d) close to a
asked by Sarah 
Physics
A Cessna 150 aircraft has a liftoﬀ speed of approximately 125 km/h. What minimum constant acceleration does this require if the aircraft is to be airborne after a takeoﬀ run of 172 m? Answer in units of m/s2 What is the corresponding takeoﬀ time?
asked by Asdfghjkl 
math
The number 34,459,425 is the product of several consecutive positive odd numbers. What is the greatest of these numbers?
asked by Anonymous 
Physics
A roller coaster moves 4.2 m horizontally, then travels 6.9 m at an angle of 30º above the horizontal. What is the resultant displacement from its starting point?
asked by fasfgagqaw 
spanish
How do you say 5:20,10:45,1:15,7:30,6:42 all in spanish
asked by shawn 
math
The equation C = 500 + 50x describes the total cost of a wedding reception, where C is the total cost and x is the number of guests. What is the total cost for 125 guests?
asked by crystal 
math
for what value of m, x4+4x2+m+8/x2+4/x4 is a complete square where x is not equal to 0
asked by ayisha 
math
the distance between two barangay is 23/4 kilometers how meter is the distance
asked by letty 
writing
what is an example of a strong and solid thesis statement concerning the choice of televisions shows as one matures.
asked by carla 
Chemistry
Convert a pressure of 23.8 in. Hg into kilopascal. Ok so I looked up kilopascal and it Said 1 Kpa = 1000 pa So I began to set it up like this 23.8 / 29.2 x1000 am I correct
asked by Monique 
PROBLEM SOLVING IN MATHEMATICS
the average age of a group of teachers and student is 20. the average age of the teachers is 35. the average age of the students is 15. what is the ratio number of teacher to number of students ?
asked by alya 
Organic Chemistry
You have been hired by a large food company to develop a method to prepare decaffeinated coffee, suggest a simple procedure that you might use for this? (in regards to extraction)
asked by Rinny 
psychology
How do the ideas of positive psychology differ from the traditional model of illness?
asked by yvette 
physics1
A bus that is traveling at 30.0 km/h speeds up at a constant rate of 3.5 m/s^2. what velocity does it reach 6.8 seconds later?
asked by ... 
geometry
If = 5 centimeters, and = centimeters, what is the length of line segment
asked by khadijah patterson 
physics
Only two forces act on an object (mass = 4.20 kg), as in the drawing. (F = 73.0 N.) Find the magnitude and direction (relative to the x axis) of the acceleration of the object. magnitude m/s2 direction ° counterclockwise from the +x axis The angle from
asked by Taylor 
chemistry
A cube of gold has a side length .050m. The mass of the cube is 2.40kg. What is the density of gold in g/cm cubed?
asked by caitlyn 
Math
In the question I am working on, there are three jars filled with balls, and a die. Depending on the number that comes up from the die determines which jar a ball is drawn from. I created a tree and have all my individual probabilities. The question asks
asked by Zorniac 
algebra
the weight of an object varies inversely as the square of its distance from the center of the planet it is on. If a person weighs 180 pounds on a planet's surface, what is his weight 250 miles above the surface of the planet? The planet's radius is 7000
asked by tashea 
8th grade math
Give an example of a linear situation with a rate of a change that is i. positive ii. zero(no change) iii. negative write an equation that represents each situation in the part above. I don't get this so please help! Thank you!
asked by saranghae12 
chem please help !!!!
what might one do to verify that the global strain energy minimum has been identified for a compound?
asked by jon 
Statistics
A private medical clinic wants to estimate the true mean annual income of its patients. The clinic needs to be within $500 of the true mean. The clinic estimates that the true population standard deviation is around $2,300. If the confidence level is 95%,
asked by Lorie 
physics
A driver in a car traveling at a speed of 79 km/h sees a cat 107 m away on the road. How long will it take for the car to accelerate uniformly to a stop in exactly 103 m? Answer in units of s
asked by Asdfghjkl 
chemistry
how many grams of propane do you need to combust 525 kJ of heat
asked by Anonymous 
Factor
How do i factor 16w^62q^6
asked by Katie A 
Calculus
Find the volume of the solid obtained by rotating the region bounded by y=x^3, y=1, and the yaxis around the xaxis. What I did was: V=ç(0,1)pi(1x^3)^2 dx v=pi(x^7/7x^4/2+x) and I evaluated it for one since 0 is just going to be 0. and I got 9pi/14
asked by Jessica 
physics, HELP ASAP PLEASE!
a car starts and accelerates uniformly at a rate of 2.0 m / s ^ 2 in 6.0 s. Then, it maintains its constant speed for 30 seconds. Finally, the shrinkage slows down uniformly and stops to 5.0 s. find the total distance traveled by the car.
asked by sarah 
English
1. If they failed to light the lanterns, they were fined heavily. 2. If they failed to light the lanterns, they would be fined heavily. (Would you explain the difference between #1 and #2? Thank you. Have a good time.)
asked by rfvv 
chemistry
Calculate the molarity of NaI in a soultion obtained by adding 5.0 mL of 0.2 M NaI to a mixture of 5.0 mL of 0.2 M K2SO4,5.0 mL K2S2O8, 4.0 mL of H2O and 1.0 mL of Starch
asked by krista 
precalculus
$100,000 is divided into two investments with annual returns of 4% and 7.5%. find the amount invested at the lower rate if the total income at the end of the year is $5050?
asked by zana 
English
I just need to know if the sentences are correct though they are not complete. Thank you. 1) Imagine a school in which both German, French, English are studied... The school has got 130 students,45 of whom study only English whereas ..... study both
asked by Henry2 
Statistics
in a typical year, about 46,000 deaths result from car accidents. How manyu deaths would result from car accidents in a typical 4 day period?
asked by Jill 
Algebra
Two rectangles are similar. The first is 4in. wide and 15in. long. The second is 9in. wide. Find the length of the second rectangle.
asked by Brianna 
Probability
The random variable is uniform in the (2c,2c)interval . Find and sketch F(y) and f(y) if Y=X^2
asked by Anonymous 
Chemistry
Balancing chemistry equations and need help! Thank You!? Help balancing any of the following equations: Cl2+Na Br> NaCl2 + Br Na+LiOH>
asked by Ginger 
algebra
9n=81
asked by Lisa 
geometry
what is the length of CE if DC=5x24, CE= 6x20, and DE= 55?
asked by Ciara 
Grade 12 Advanced Functions
One zero of f(x)=x^3+4x^2+x+c is 3. a) calculate the value of c. b)calculate the other zeros.
asked by Rebecca 
accounting
Do you really think a company would offer a free gift to understate sales? It may avoid paying tax, but it is then giving away inventory. Do you think that is wise?
asked by edith 
Algebra
The area of a triangle is 2x^2+5x+3. The height is 4x+6. Determine the base of the triangle.
asked by Rebecca 
grade 9 math
write 100 and 72 as products of two powers
asked by bee 
math
the additional month of interest (note that the problem specifies 2% simple interest per month)? As a professional photographer, Marion has seen the trend away from film cameras as customers purchase lowend digital cameras and printers in order to avoid
asked by carolyn 
Math
How is scientific notation used in our daily lives?
asked by Nikki 
Party
Around how many liters/cans soda should a school club buy for a Halloween party of around 200300 guests?
asked by Anonymous 
trig
evaluate cos 12*pi
asked by rene 
physics
A space vehicle is coasting at a constant velocity of 20.7 m/s in the +y direction relative to a space station. The pilot of the vehicle fires a RCS (reaction control system) thruster, which causes it to accelerate at 0.260 m/s2 in the +x direction. After
asked by Taylor 
Physics
find the electrostatic potential, and then the electric field a distance z above the centre of a circular loop of radius r, which carries a uniform line charge (lamda)
asked by Danny 
Chemistry
Ionic bonds and covalent bonds: Ionic Bond(s) for: K&S > K2S N&Be > Be3N2 Al&P > AlP Covalent Bond(s) for: C&F > CF4 S&O > OS Cl&Se > SeCl4
asked by Untamed 
Algebra
A.Write and solve an equation to find three consecutive integers with a sum of 126. Let n= the first integer. B. In part A, could you solve the problem by letting n= the middle integer,n1= the smallest integer, and n+1= the largest integer?
asked by Brianna 
Algebra
A.Write and solve an equation to find three consecutive integers with a sum of 126. Let n= the first integer. B. In part A, could you solve the problem by letting n= the middle integer,n1= the smallest integer, and n+1= the largest integer?
asked by Brianna 
grammar
Where does apostraphe go on days in the sentence. Soldiers carried several days cold rations.
asked by rhonda 
Calculus (derivatives)
find the slopes at the indicated points y = 3 + 5x  3x^3 (0,3), (1/2, 41/8), (2,11)
asked by Nemo 
algebra
solve for x and y in the following system of equations. y=3x^2+8x10 & y=x^2+7x+5 how do you do this ?
asked by lisa 
early childhood
according to Leeds, at snack time, childen should be given ______ of each food for each year of their lives.
asked by Jyneana 
Chemistry 151
finding full formula of a compound knowing that it is a hydtrated sulfate salt of an alkali metal
asked by Anonymous 
Physics
Which of the following involves a nonzero net force? I. A hockeypuck sliding at a constant speed on ice. II. The earth revolving around the sun at a constant speed. III. An object falling near the surface of the earth. A) I only B) III only C) Both I and
asked by Astrogirl 
Algebra 2
What is the vertex of the graph of y = x + 3?
asked by Zachary 
calculus
If X = 15, Y = 20, and Z = 25, what is the sine of angle B?
asked by Mitch 
Algebra 1
Hello! :) Can some please explain to me or provide a website that has information about graphs and how to use them? Thanks! Hello Kitty!
asked by Hello Kitty 
precalcus
a positive angle less than 2 pi their is a coterminal 17 pi/4
asked by melissa 
Calculus
Suppose g(x) = { 1 / (x  2) if x < 1 2x  4 if x >/= 1 The best description concerning the continuity of g(x) is that the function A.) is continuous B.) has a jump discontinuity C.) has an infinite discontinuity D.) has a removable discontinuity E.) None
asked by Mishaka 
chemistry
why is the energy difference for tbutylcyclohexane significantly greater than the corresponding value calculated for methylcyclohexane?
asked by tony 
Calculus
Find the volume of the solid obtained by rotating the region bounded by y=x^3, y=1, and the yaxis and whose crosssections perpendicular to the y axis are equilateral triangles. I asked this same question for the yaxis around the xaxis (Thanks for the
asked by Jessica 
English grammar check
Choose the correct answer which corrects the following sentences without changing its meaning 1. I want to get a wellpaying job. Which is why I am attending college. a. I want to get a wellpaying job. Which is why I am attending college. b. I want to get
asked by ME 
calculus
lim x0 xtan(8x)+ 2tan(8x)/(x^2+4x)
asked by Anonymous 
Math
I'm helping my daughter with Algebra homework and I've forgotten how to solve the following. x/212 = 3 + x Can someone help
asked by Ashleigh 
Statistics
An auditor wants to estimate what proportion of a bank’s commercial loan files are incomplete. The auditor wants to be within 10% of the true proportion when using a 95% confidence level. How many files must the auditor sample? No estimate of the
asked by Lorie 
Calculus
Find the volume of the solid obtained by rotating the region bounded by y=x^3, y=1, and the yaxis and whose crosssections perpendicular to the y axis are equilateral triangles. I asked this same question for the yaxis around the xaxis (Thanks for the
asked by Jessica 
Calculus (Any Help At All Is Really Appreciated)
Suppose g(x) = { 1 / (x2) if x < 1 2x  3 if x >/= 1 The best description concerning the continuity of g(x) is that the function A.) is continuous B.) has a jump discontuity C.) has an infinite discontuity D.) has a removable discontuity E.) None of the
asked by Mishaka 
Calculus
A 23 foot ladder is leaning on a 6 foot fence. The base of the ladder is being pulled away from the fence at the rate of 7 feet/minute. How fast is the top of the ladder approaching the ground when the base is 6 from the fence? [Note: The ladder is
asked by Isiah 
Geometry
Line RS is bisected at T. If line RT = 4x + 29 and TS= x + 17, what is the length of line RS
asked by Dabria 
chemistry
how many mL of 5% BaCl2 X(multiplied) 2H2O are needed for 0.3500g pure sodium sulfate?
asked by kim 
chemistry
Explain very clearly why a mole of hydrogen chloride depresses the freezing point of 1.0kg of water by almost twice as much as a mole of ethanol.
asked by leslie 
Chemistry
1. In an equilibrium, A + B > C + D; "A" & "B" are mixed in a vessel at temperature "T". The initial concentration of "A" was twice the initial concentration of "B", & after the equilibrium has reached, concentration of "C" was twice the equilibrium
asked by Atul 
Geometry
What is the measure of angle LJI if the measure of angle IJK = 7x  3, the measure of LJI =10x + 4 and the measure of angle KJL=28?
asked by Dabria 
Math
If you jog for half an hour everyday for nine days. Write an improper fraction that shows the total number of hours you jogged.
asked by Dylan 
Math
9 exponent 0+64(3+5)exponent negative 2 Please help me solve this problem.
asked by Melea 
Social Studies 30
Which characteristic(s) of collectivism do you think are most important to Canadian society? Competition, cooperation, private property, rule of law, common good, selfinterest, economic equality, collective norms, freedom, collective interest, individual
asked by Cristina 
Factors
Factor by grouping X^3+3X^25x15 I get x^2(x+3)5(x+3) is this correct????
asked by Katie A 
English
1. A lantern man would take them to any places in Paris. 2. A lantern man used to take them to any places in Paris. 3. A lantern man took them to any places in Paris. (What is the difference among the three sentences?)
asked by rfvv 
Physics
A ball thrown horizontally at 22.3 m/s from the roof of a building lands 31.0 m from the base of the building. How high is the building?
asked by Millie 
Linguistic  Japanese
What are the sentence structure rules for the Japanese language? I know you have the sentence > (noun phrase) (verb phrase)
asked by Sam 
precalculus
$100,000 is divided into two investments with annual returns of 4% and 7.5%. find the amount invested at the lower rate if the total income at the end of the year is $5050?
asked by zana 
Language Arts
In the sentence....They have done nothing wrong. I know "have done" is part of the verb phrase but not sure if "wrong" is part of the verb phrase too. Would "wrong" be included in the verb phrase?
asked by Brandi 
social studies
what is the landmarks of newjersey?
asked by Justin 
college math
Suppose $400 is invested for 4 years at a nominal yearly interest rate that is compounded monthly, further suppose it accumulates to 817.39 after 4 years. Find the annual nominal interest rate of the investment.
asked by lianne 
college math
Suppose $400 is invested for 4 years at a nominal yearly interest rate that is compounded monthly, further suppose it accumulates to 817.39 after 4 years. Find the annual nominal interest rate of the investment.
asked by lianne 
Math
1) Find the solution to the following system of two linear equations, if it has a solution. 2xy=3, x+y=1 2Find the solution to the following system of two linear equations, if it has a solution. 2x+y=4, x+3/2y=3
asked by Megan 
chemistry
What mass of CO2, a greenhouse gas, is produced per liter of each fuel (assuming complete combustion) I got this data density of ethanol = 0.785 g/mL density of octane = 0.699 g/mL Ethanol) C2 H5 OH + 2O2 > 2CO2 + 3H2O delta H combustion ethanol = 1234.8
asked by sari 
Language Arts
If you said....They have been fed today. Would the verb phrase be "have been fed"?
asked by Brandi 
pre algebra
how do i figure out how to write a number setence for the product on the number line 10 8 6 4 2 0 2
asked by emily 
math
marco wants to use a single scoop to measure both flour and liquid for making coffee cake. In whole ounces, what is the largest scoop size he can use to make the cake?
asked by stephanie 
statistics
If the city spends $145000 on promotional expenditures, what will be the projected attendance @ 95% confidence level?
asked by Mekeon 
Algebra
I have 37 coins, nickels dimes, quarters that equal 5.50 . I have 4 more quarters than dimes . How many nickels do I have?
asked by Bob 
Calculus
Find the volume of the solid obtained by rotating the region bounded by y=x^3, y=1, and the yaxis around the xaxis. What I did was: V=ç(0,1)pi(1x^3)^2 dx v=pi(x^7/7x^4/2+x) and I evaluated it for one since 0 is just going to be 0. and I got 9pi/14
asked by Jessica 
chemistry
Very carefully, but breifly discuss, with specific example, Le Chatelier Principle and its relationship to common ion effect.
asked by travis 
science
what's the difference between dominant and recessive allele?
asked by malik jackson 
English
Can you please check these sentences for me? Thank you. 1) The darkskinned girl in the picture is talking to a friend of hers on the phone. She's telling her that she was at Jessie's party (last)the previous Saturday. 2) She admits she has always fancied
asked by Henry2 
math
kala's both is 12.25 feet long. What is the length of her boat in inches?
asked by stephanie 
social studies
the group of the same as subordinate group.A defining feature of this group is that its members have less control or power over their lives than do members of dominant groups.
asked by alicia 
MATh (distance)
Kesha dove from Buffalo to Syracuse at an average rate of 48miles per hour. On the return trip along the same road she was able to travel at an average rate of 60 miles per hour.The trip from Buffalo to Syracuse took one half hour longer than the return
asked by Tiffany 
English
Can you guys proof read part of an essay im writing. I know you do not know the context but, im just talking about the grammar issue. here it is: Along with the tension that goes on between Mr. And Mrs. Bennet, Charlotte and Mr. Collin’s marriage is not
asked by Rebekah 
School drop out
How to write research?
asked by Research 
Algebra
In solving the equation (x + 3)(x + 1) = 48, Eric stated that the solution would be x + 3 = 48 => x = 45 or (x + 1) = 48 => x = 47 However, at least one of these solutions fails to work when substituted back into the original equation. Why is that? Please
asked by Sierra 
math
the number of 5th grade students in a school is a prime number greater than 50.What is the least number of 5th grade students there could be in a school
asked by clayton 
us history
what is another word for nativism
asked by fred 
Geometry
2. This cone bottom tank is the perfect solution for transporting chemicals such as pesticides around to various locations. The cone shape of this plastic tank equips it not only for easy draining of materials, but also provides an easy cleaning process.
asked by Anil 
physics1
A bus that is traveling at 30.0 km/h speeds up at a constant rate of 3.5 m/s^2. what velocity does it reach 6.8 seconds later?
asked by ... 
Hum186
What are some of the most influential and important games released to the general public within the last few years? Why are they important?
asked by marie 
alg2/trig
The expression a/ab + b/ba is equivalent to a) 1 b)1 c) ab/ab d)a+b/a^2b^2 please help!
asked by jess 
ALGEBRAHelp please
Find the solution to the following system of two linear equations, if it has a solution. x+3y=4, 3x+9y=12
asked by Megan 
grammar
Where does apostraphe go in Polands when the sentence is Polands Jews fled from the German soldiers.
asked by rhonda 
Calculus
Find the volume of the solid obtained by rotating the region bounded by y=x^3, y=1, and the yaxis and whose crosssections perpendicular to the y axis are equilateral triangles. I asked this same question for the yaxis around the xaxis (Thanks for the
asked by Jessica 
Calculus (derivatives)
find an equation of the tangent line to the curve at the indicated point. y = (x^1/3); (8, 2)
asked by Nemo 
chemistry 12
The pH of a certain acid having a concentration of 0.20M was measured. The pH was 2.50. Was this a strong acid or weak acid?
asked by Mike 
Chemistry
What is the element oxidized and the element reduced in the equation: HAsO2 + 2 Ag+ + 2 H2O 2 Ag + H3AsO4 + 2 H+
asked by Savannah 
geometry
Lines AB and CD are parallel. If the measure of Y equals 56°, what is the measure of Z?
asked by jake 
English
Sorry. I would like you to help me rephrase 2) because I'm not sure about its meaning. Thank you.I included a sentence for you to check. 1) I knew I shouldn't have left the apartment /I knew I should've stayed in watching TV/ If I'd looked at the moon and
asked by Henry2 
physics
Assume the mass of the object remains constant. If the Kinetic Energy of an object changes by 1/3, by what factor has its speed changed?
asked by Jonny 
Physics
The braking distance of a car is 29m. If the speed of the car is increased by 45%, what is the car's new braking distance? Assume the acceleration of the car is constant and independent of its initial speed
asked by Jake 
ochem
is cis1,2dimethylcyclohexane a conformational isomer of trans1,2dimethylcycloehexane? Please explain.
asked by sammy 
Physics
two students are attempting to lift a sign to the top of a tall building, each is pulling equally with 100 newtons of force, on the two ropes. The ropes are attached to opposit corners of the sign, and the angle between them is 60. compute the resultant
asked by Erin 
childcare
A plant in the classroom appears to be wilting. The children are asked to come up with as many possible explanations for this as they can. They're engaged in the second stage of decision making, called A.groupthink B.herding Ideas C.railroading ideas
asked by Samy 
math
In a soft ball gme, Archie getting hit is 1/4. the probability of betty getting hit is 1/4, and Veronica's probability is 1/2 for getting hit. if each goes to bat once, what is the probability that exactly one gets a hit
asked by Anonymous 
Stats
Given the following frequency distribution, find the mean, variance, and standard deviation. Please show all of your work. Errors Frequency 5153 9 5456 19 5759 16 6062 24 6365 25
asked by Jennifer 
Grade 12 Advanced Funtions
what about this question: Determine the roots algebraically by factoring. a) x^38x^23x+90=0
asked by Confused 
physics
If a coordinate system is set up such that the positive x axis points in a direction 75° above the horizontal, what should be the angle between the x axis and the y axis?
asked by James 
art
This type of artwork can usually be found on buildings or other public property. (1 point) * scraffito * intaglio * graffiti * graphics
asked by Christian 
chemistry
Briefly discuss the effect of dissolving a solute such as KOH in a solvent such as water.
asked by leslie 
Math
If you jog for half an hour everyday for nine days. Write an improper fraction that shows the total number of hours you jogged.
asked by Dylan 
ten commandmant
How do rules actually make us free? Like referring to the ten commandments, how do they allow us to be free instead of feeling as if we are living by rules and regulations
asked by kim 
Philosophy
Write two types of philosophy?
asked by Philosophy 
physics
A 5 kg block is pulled along a horizontal frictionless floor by a string and exerts force of magnitude 16 N at an angle 30 degree.What is the magnitude of the acc of block?
asked by Leonita 
comp
To avoid financial hardship during your golden retirement years, it is important not to depend on Social Security benefits. Is this a proper topic sentence, the subject is about Social Security being around in the future or not? Thank you!
asked by stacy 
Math
Please help me solve these problems. 12^2+2 [(13+3)] / 2^2] 4(3)+5[76(4)^2] 5(3)+3[96(3)^2]
asked by ME 
Calculus
g(x)=(1)/(2e^(x)+4e^(x))
asked by Beth 
Finite Math
A small seminar class consists of Anne, Bill, Cathy, Dan, Ellen, and Frank. The teacher has been told that 2 of them are from Indiana, 3 of them are from Michigan, and the other 1 is from Ohio. But the teacher does not know who is from which state. So the
asked by CeCe 
English help on subjects
What is the subject in the sentences below? 1. Each person in this class has a desire to be successful. Answer a. each b. person c. class d. successful e. there is no subject in the sentence 2. The first assignment for this class is this quiz. Answer a.
asked by ME 
math
500 students paid rete of £7.50 and the remainder paid the full adult rete of£10.what was the total amount of money paid to the cinema that night?
asked by frederick 
Grade 12 Advanced Functions
The polynomial 2x^3+px^2x+6 has a remainder of zero when divided by x2. Calculate p.
asked by Rebecca 
science
what happens when light strike a dark table?
asked by jessha 
Science
Are floods both constuctive and destructive?
asked by Trevor 
math
for what value of m, x4+4x2+m+8/x2+4/x4 is a complete square where x is not equal to 0
asked by ayisha 
Math Help
Subraction (1/6x^31/10x1/5)(1/6x^3+1/10x1/5)
asked by Katie A 
math
how to find the xinterceps? x^429x^2+100?
asked by justme 
math
what is its are of rectangular field is 94m long and 77m wide
asked by letty 
johns
an example of a captivating and sophisticated introduction about choice of television shows as one matures including a solid thesis statement.
asked by carla 
operating a car
Nonstandard equipment and accessories added to the basic vehicle are generally called : A.options B.an extended warranty C.addons D.luxury items i got D
asked by Ciara 
chemistry
Calculate the activation energy (in Joules) for a reaction whose rate constant doubles when the temperature is raised from 298 K to 500 K. Take R to be 8.314 J/Kmol.
asked by travis 
physics
Suppose that the coefficient of friction between your feet and the floor, while wearing socks, is 0.250. Knowing this, you decide to get a running start and then slide across the floor. If your speed is 3.00 m/s when you start to slide, what distance d
asked by Luke 
Algebra
What is the standard form of the equation of the line passing through the point (1,2) and perpendicular to the line y=  2/3x  1? a. 3x2y=1 b.3x2y=1 c.3x+2y=1 d.3x+2y=1 I don't understand, can anyone help me please?
asked by Christina 
Social Studies
In 1979 who became the first woman to be honored on a circulating coin?
asked by Zack 
operating a car
1. The sticker price on a new car includes: A.The final selling price of the vehicle B.an extended warranty C.everything you need to know about the vehicle D.the retail price of everything that comes with that particular vehicles. i got B
asked by Ciara 
English
Independent living and living at home How are they alike?
asked by Anonymous 
Math
How are z scores and the "empirical rule" related?
asked by Jennifer 
chemistry
what is 0.2505 to 3sf????
asked by Anonymous 
Algebra
Describe the steps you would use to solve consecutive integer problems.
asked by Brianna 
social studies
what is the declaration of independence? P.S i only need the basic meaning thanks a bunch
asked by samantha 
maths
0.2505 to 3sf
asked by Anonymous 
Physics (3)
The mass m=1.00 kg is set up as a pendulum of length 0.6m . Initially in the position of h=0.2 m above the lowest point, and the pendulum is given initial speed of 1.00 m/s. What is the largest mass M that could be temporarily lifted in such setup?
asked by Whitney 
Calculus
Suppose g(x) = { 1 / (x2) if x < 1 2x  3 if x >/= 1 The best description concerning the continuity of g(x) is that the function A.) is continuous B.) has a jump discontuity C.) has an infinite discontuity D.) has a removable discontuity E.) None of the
asked by Mishaka 
Calculus
Find all points on the curve where the tangent line is horizontal y = (x^6/6)  (x^2/2) + 1
asked by Blue 
Calculus
Find all points on the curve here the slope is 1 y = x^4  31x + 11
asked by Blue 
English
What is the phonlogy?
asked by Language 
philosophy
how did existentialism fail?
asked by Sara 
social studies
what was the ice age and how did it change New York
asked by emely 
Drop out of the schools
What caused the background of the droping out of the schools?
asked by Education 
climate change
What would our climate be like if the earth was shaped like a cube instead of a sphere? thanks
asked by Help me please 
Physical Science
What is an example of radioactive decay?
asked by Brooke 
Radiobiology
What exposure will a radiology technologist receive when exposed for 10 minutes at 4 meters from a source with intensity of 100 mR/min at 1 meter?
asked by An 
Calculus
Using Law of Sines: Need Help 1. alpha=70 Degrees Beta=38 Degrees a=35
asked by Josh 
physics
A car accelerates uniformly from rest to a speed of 24.2 km/h in 5.1 s. Find the distance it travels during this time. Answer in units of m
asked by Asdfghjkl 
Science
how much heat is required to change 5 grams of iron to 10c
asked by joe 
physics
A car starts from rest and accelerates for 6.7 s with an acceleration of 1.6 m/s2 . How far does it travel? Answer in units of m
asked by Asdfghjkl 
Eating disorder
if anorexic people see theirselves as "fat" in the mirror, why do they still buy small sized clothing...?
asked by Angel 
economics
Ali pays Rs. 855 property tax.What is the assesed value of his home, if the tax rate in his locality is 2.5% ?
asked by Anonymous 
Math
Find the LCM. 1. 20, 36 * 720 * 180 * 90 * 45
asked by Christian 
math
y=2x1
asked by colton 
chemistry
How do i find the weight % of sulfate if I am given the mass?
asked by kim 
chemistry
Very carefully explain which will evaporate faster under conditions: 50.0 mL of distilled waater or 50.0 mL of sea water.
asked by krista 
childcare
Children learning to take their heart rates are demonstrating... A.movement relations B.fitness concept C.body awareness D.body concept
asked by Samy 
English
What is the marphology?
asked by Language 
childcare
A child throws a ball with speed and accuracy when he plays catch with his teacher, but his throws are slower and less accurate when he plays with a group of friends. This difference is explained by.. A.classical stage theory B.probability theory
asked by Samy 
Algebra 1
How do you put percents into degrees? For example: 25%= ?degree
asked by Hello Kitty 
math
8 is greater than 43 and less than 52. If you add the digit the sum is 8. Write the number word
asked by Anonymous 
math
8 is greater than 43 and less than 52. If you add the digit the sum is 8. Write the number word
asked by Anonymous 
chemistry
Explain the difference between the rate of a reaction and its rate constant.
asked by chris 
chemistry
what does SPDF mean in chemistry on the periodic table? What is the PDO format in when writing a lab report? pls help
asked by ted 
physics
A gun is fired at a bird sitting on a distant tree.If the barrel of the gun is aimed directly at the bird,will the bullet directly hit the bird?
asked by Leonita 
chemistry
Account for the increase in reaction rate brought about by a catalyst.
asked by chris 
Math
I am a 5 th grader who need some help my mom is blind. What is the elapsed time: (1) Between 3:45 9:00 (2) 6:507:00
asked by Little Lisa 
Math Help
Divide 270r^13 by 9r^8
asked by Katie A 
11 French
would someone be able to correct my paper? It's not finished yet, but this is what i have so far: L’image que j’ai dessiné représente le monde dans façons different. Les drapeux symboliser les pays different artour du monde. La Allemagne, Les Etats
asked by rebecca 
math Help
multiply (x^2+x+6)(x6)
asked by Katie A 
Math
1/8b = 6 what is b=
asked by Mary 
math
what is the equation for 12 divided into a number. is it n/12
asked by sharon 
Soldiers during WWI
Hey Ive written my paragraph on the miserable lives of these brave soldiers. And my title at first was A soldier's deadly life full of dangers, but I want to make the title much more catchier than this, so I thought of something cool like, "Stepping into a
asked by Anonymous 
Math
Please help me solve these problems. 12^2+2 [(13+3)] / 2^2] 4(3)+5[76(4)^2] 5(3)+3[96(3)^2]
asked by ME 
Math
Please help me solve these problems. 12^2+2 [(13+3)] / 2^2] 4(3)+5[76(4)^2] 5(3)+3[96(3)^2]
asked by ME 
Math Help
multiply (x+12)(x12) I get x^2144 is this correct????
asked by Katie A 
science
what you could see at fire station?
asked by sandy 
equations
12^2+2 [(13+3)] / 2^2] 4(3)+5[76(4)^2] 5(3)+3[96(3)^2] please show me how to do these
asked by ME 
operating a car
Which one of these statements is true about a "bumpertobumper"waranty. A.Normal wear and tear is NOT covered by the warranty. B.All expenses expect gosoline and routine oil changes are covered by the warranty. C.Everything part and system is covered
asked by Ciara 
Math
I have input x (20,1,40,4,8,10) and output y (2,40,1,10,5,4). What is the function?
asked by Josh 
Math Help
Multiply (9x^8)(6x^5) 54^13 is this the right answer????
asked by Katie A 
Social Studies 9
PLEASE HELP !!!Similarities of maria henrietta and marie antoinette and differences !!
asked by Stephanie 
Math Help
x^22x+15=0 How would I solve this?
asked by Katie A 
math
Use compatible numbers to estimate each difference.
asked by gerry 
Math
I am a 5 th grader who need some help my mom is blind. What is the elapsed time: (1) Between 3:45 9:00 (2) 6:507:00
asked by Little Lisa 
PreCalculus
I posted earlier and didn't get an answer so I'm posting againhoping someone could please check these twoI think they're correct Please check my answer: I think it's correct? 1.Find polar form of (3,2) r=sqrt of (3)^2 + 2^2)=sqrt (13) = 3.61
asked by Courtney 
Science
Is a delta formed by all the silt and sediment washed down stream?
asked by Jac