Questions Asked on
October 18, 2015

math
Let L1 be the line passing through the points Q1=(4, −1, −2) and Q2=(1, 0, −1) and let L2 be the line passing through the point P1=(−6, 21, −8) with direction vector →d=[−3, 9, −3]T. Determine whether L1 and L2 intersect. If so, find the
asked by Excel 
Chemistry
A gas sample at STP contains 1.15 oxygen and 1.55g nitrogen. What is the volume of the gas sample? the answer 2.04. I want to know how to get the that answer
asked by Mark 
Quantitive Analysis
You are asked to prepare 500. mL of a 0.250 M acetate buffer at pH 4.90 using only pure acetic acid (MW=60.05 g/mol, pKa=4.76), 3.00 M NaOH, and water. Answer the following questions regarding the preparation of the buffer. Question 1: 1. How many grams of
asked by Amanda Getto 
Chemistry!!!!!!!!
A sample of Xe takes 75 seconds to effuse out of a container. An unknown gas takes 37 seconds to effuse out of the identical container under identical conditions. What is the most likely identity of the uknown gas the answer is O2. How do you solve this?
asked by Mark 
Chemistry
Consider the generic reaction: 2 A(g)+ B(g)> 2C(g). If a flask initially contains 1.0 atm of A and 1.0 atm of B, what will be the pressure in the flask if the reaction proceeds to completion? (Assume constant volume and temperature.) answer is 1.5atm how
asked by Mark 
English
"My Brother's Keeper" by Jay Bennett The author of “My Brother’s Keeper” emphasizes Jamie’s conflict by describing the car accident in detail. detailing Jamie’s physical appearance and good grades. flashing back to earlier events with his brother
asked by SkatingDJ 
Math
Problem Ashley recently opened a store that sells only natural ingredients. She wants to advertise her products by distributing bags of samples in her neighborhood. It takes one person 222 minutes to prepare one bag. How many hours will it take to prepare
asked by Khyla 
Chemistry
rank the gases Ar, N2,CH4, and C2H6 in order of the increasing density at STP answer: CH4
asked by Mark 
Chemistry
which gas has the greatest kinetic energy at STP? a)He b)Ne c)Ar d) None of the above(All have the same kinetic energy) how do I solve for this?
asked by Mark 
Chemistry
A solution of NH3 in water has a pH of 11.17. Calculate it's molarity
asked by Rita 
College Chemistry
the acid dissociation constant for acetic acid is 1.85x10^5. Calculate the pH at the equivalent point and the pH at onehalf the equivalence point for the titration of 25.00 mL of 0.100 M acetic acid with 0.100 M NaOH?
asked by Courtney 
AP physics
A 65kg skier starts at rest and slides 30 m down a hill inclined at 12∘ relative to the horizontal. Consider the force of friction on the skier to be negligible. Determine the speed of the skier after sliding 30 m downhill.
asked by JAde 
gaya ,college science
Which one of the following is an alkaline earth element? a) carbon b)sodium c)zinc d)iron
asked by gaurav verma 
ENGLISH
Which sentence is correct? A.I will never shop at Ace Electronics Store because of their rude employees. B.I will never shop at Ace Electronics Store because of its rude employees. C.I will never shop at Ace Electronics Store because of it's rude
asked by Terri 
English
Shanique wanted a pair of Levis ,but _ didn't have her size. A. it B. they C. the store D. them it is C
asked by Terri 
math
A picture is 5 feet high and the eye level of an observer is 2 feet below the bottom edge of the picture. How far from the picture should the observer stand if he wants to maximize the angle subtended by the picture? help me :((
asked by kirito 
ELA HELP FAST
Why is baseball in all its forms – from Tball to the major leagues – important to Americans of all ages? What traditions have grown around baseball, and how do they affect the people who play and love the game? How can knowing about the game of
asked by Jason 
economics
Think about how each scenario would affect the price of khaki pants. a.A new technology reduces the time it takes to make a pair of khaki pants. b.The price of the cloth used to make khaki pants falls. c.The wage rate paid to garment workers increases.
asked by lynn 
Analytical Chemistry
A 10.0 mL sample of whiskey was diluted to 500.0 mL. A 4.00 mL aliquot of the diluted sample was removed and the ethanol, C2H5OH, was distilled into 50.00 mL of 0.02150 M K2Cr2O7 and oxidized to acetic acid. The excess Cr2O72– was then back titrated with
asked by Kristin 
math
describe a realworld situation that is modeled by dividing two fractions or mixed numbers
asked by Anonymous 
MATHS
PINKY SPENT 3/5 OF HER MONEY ON A HAND BAG. SHE SPENT REST OF THE MONEY ON A DRESS AND A BELT. THE HAND BAG COSTS TWICE AS MUCH AS THE DRESS. THE DRESS COSTS RUPEES 20 MORE THAN THE BELT. SO HOW MUCH MONEY WAS IN THE BEGNING PINKY HAVE ?
asked by GOURAV KUMAR 
Calculus
A company manufactures x units of one item and y units of another. The total cost in dollars, C, of producing these two items is approximated by the function C=7x^2+xy+1y^2+600. A) If the production quota for the total number of items (both types combined)
asked by A 
chemistry
Sucrose (C12H22O11, table sugar) is oxidized in the body by O2 via a complex set of reactions that ultimately produces CO2 (g) and H2O (g) and releases 5.16x10^3 kJ/mol sucrose. a) Write a balanced thermochemical equation for this reaction. Make sure to
asked by patrick 
chemistry Dr. Bob
Sucrose (C12H22O11, table sugar) is oxidized in the body by O2 via a complex set of reactions that ultimately produces CO2 (g) and H2O (g) and releases 5.16x10^3 kJ/mol sucrose. a) Write a balanced thermochemical equation for this reaction. Make sure to
asked by patrick 
Economics
Assume that you are considering a 7night vacation to Fort Walton Beach, Florida, in March. You estimate the total cost of the trip to Fort Walton Beach at $1,250, including discounted airfare. However, a resort at Myrtle Beach, South Carolina, is offering
asked by Sammy 
reading
It was the summer before Ichiro started fifth grade, and he was about to turn ten. His family had just moved to a new city, so he didn’t know many other children, but his mother suggested that he host a birthday party and invite some of the friends he
asked by lana 
wcccd
The period p of a pendulum, or the time it takes for the pendulum to make one complete swing, varies directly as the square root of the length L of the pendulum. If the period of a pendulum is 1.3 s when the length is 2 ft, find the period when the length
asked by andre 
Chemistry
A 1.50 g sample of glucose (C6H12O6) is burned in a bomb calorimeter that contains water at 25.0 0C. The heat capacity of the bomb calorimeter is 1046 J/0C. When the glucose is combusted, the temperature of the water rises to 47.4 0C. Calculate the heat of
asked by Mark 
PHYSICS
What is the force of attraction between two masses 5kg and 8kg at a distance of 60cm apart.
asked by COSMAS 
Pre Calculus
A park has a circular walking path with a diameter of 250 meters. a) Write the equation to describe the walking path in your diagram. b) Find the distance traveled by someone walking once around the entire path. c) Find the distance traveled by someone
asked by Erika G. 
Mathematics
A bullet is found embedded in the wall of a room 2.9 m above the floor. The bullet entered the wall going upward at an angle of 36.7°. How far from the wall was the bullet fired if the gun was held 1.1 m above the floor?
asked by harry 
UIC
Given a diprotic acid, H2A, with two ionization constants of Ka1 = 3.57× 10–4 and Ka2 = 3.14× 10–12, calculate the pH and molar concentrations of H2A, HA–, and A2– for each of the solutions below. (a) a 0.182 M solution of H2A (b) a 0.182 M
asked by Anonymous 
physics
In a phsics experiment, a 1.3 kg dynamics cart is placed on a ramp inclined at 25 degrees to the horizontal. the cart is initially at rest but is then pulled up the ramp with a force sensor. the force sensor exerts a force on the cart parallel to the ramp.
asked by tim 
maths
A sum of money is divided among three persons, X,Y and z in the ratio of 10:7:5. if Y gets $14 more then Z, how much X will get and what is the total sum of money?
asked by jas 
Chemistry
List Sn , Sn2+, Sn4+ in order of decreasing ionization energy
asked by Al 
Calculus
What is the shortest distance from the surface xy+6x+z^2=33 to the origin?
asked by A 
Algebra
Suppose that you deposit $1735.50 in a savings account that pays 9.25% annual interest with interest created to the account at the end of each year. Assuming no withdrawals are made, find the balance in the account after 4 years
asked by Julie 
Chemistry
2Fe2O3 + 6C + 3O2 > 4Fe + 6Co2 What mass of Fe2O3 present is needed to produce 15 of iron? what mass of CO2 is released when 15g of iron is produced?
asked by Al 
Chemistry
arrange CO2, N2O2, CaO, SiO2, and Ga2O3 in order of increasing acidity
asked by Heather 
chem 150
10. Calculate the concentration of a solution made by diluting 10.00 mL of 0.1104 M HCl to 25.00 mL, then taking 10.00 mL of that solution and diluting to 50.00 mL.
asked by Sam 
Chemistry
Name the organic product of the following nucleophilic substitution reaction OH+CH3I
asked by Lily 
math
Let L1 be the line passing through the points Q1=(4, −1, −2) and Q2=(1, 0, −1) and let L2 be the line passing through the point P1=(−6, 21, −8) with direction vector →d=[−3, 9, −3]T. Determine whether L1 and L2 intersect. If so, find the
asked by Excel 
Physics
A crane lifts a 200kg load at a steady velocity.It takes 12s to raise the load through 60m. i) What is the power needed to lift the load if there is no friction? ii) What is the power needed if the friction force is constant at 170N?
asked by Hejumacal 
Linear Algebra
2. Suppose that T is a linear transformation from R2 to R4 such that T ((1, 1)) = (3, −1, 4, −3) and T ((2, −1)) = (3, −2, −1, −3). Determine the matrix of T (with respect to the standard bases). 3. Suppose that T is a linear transformation
asked by Ryan 
Physics
A pitched ball is hit by a batter at a 40° angle and just clears the outfield fence, 106 m away. If the fence is at the same height as the pitch, find the velocity of the ball when it left the bat. (Ignore air resistance)
asked by Kyle 
astronomy
The red supergiant Betelgeuse has a surface temperature of 3600 K. a) Using the fact that the Sun's surface temperature is about 5800 K and that its continuous spectrum peaks at a wavelength of 500 nm, find the peak wavelength of Betelgeuse's continuous
asked by Anonymous 
Statistics
According to one pollster, 48% of people are afraid of flying. Suppose that a sample of size 20 is drawn. Find the value of standard error , the standard deviation of the distribution of sample proportions. Write only a number as your answer. Round to two
asked by Obi 
Statistics
At a certain university, 50% of all entering freshmen planned to major in a STEM (science, technology, engineering, mathematics) discipline. A sample of 36 freshmen is selected. What is the probability that the proportion of freshmen in the sample is
asked by Obi 
math
Let L1 be the line passing through the points Q1=(4, 1, 2) and Q2=(0, −1, 4) and let L2 be the line passing through the point P1=(20, 8, −7) with direction vector →d=[−3, −1, 2]T. Determine whether L1 and L2 intersect. If so, find the point of
asked by Excel 
Math
The information for two pay as you go cell phone companies is given on call 3.5 hours: $10 talk time 1/2 hour: $ 1.25
asked by Mary 
English
What literary device is being used in this passage? "'See!' he cried triumphantly. 'It's a bonafide piece of printed matter. It fooled me. This fella's a regular Belasco. It's a triumph. What thoroughness! What realism! Knew when to stop, toodidn't cut
asked by John 
Chemistry
Element X has the highest first electron affinity in its period; the ground state electron configuration of it's most common ion is [Kr] 5s^2 4d^10 5p^6 a Element Y is the second largest element in it's period; it's valence electrons are in orbital(s) that
asked by Al 
Quantitive Analysis
Calculate the volume (in mL) of 0.170 M NaOH that must be added to 361 mL of 0.0491 M 3(NMorpholino)propanesulfonic acid (MOPS) to give the solution a pH of 7.55. The pKa of MOPS = 7.18.
asked by Amanda Getto 
physics
A piston of cross sectional area 100cm2 is used in hydraulic to exert a force of 10000000dyne find the cross area of another having weight 2000kg
asked by question 
Statistics
It has been reported that 48% of teenagers play video games on their phones. A random sample of 60 teenages is drawn. Find the probability that the proportion of teenagers in the sample who play videos games on their phone is less than 0.499 . Write only a
asked by Obi 
Chemistry
A vessel initially contains pure A at a pressure of 1.0 bar. The total pressure of all gases at equilibrium is 1.5 bar. What is K for this reaction? A (g) B (g) + C (g)
asked by Ash 
Chemistry
An unknown compound contains only C, H, and O. Combustion of 4.40 g of this compound produced 10.4 g of CO2 and 2.83 g of H2O.
asked by Anonymous 
reading
It was the summer before Ichiro started fifth grade, and he was about to turn ten. His family had just moved to a new city, so he didn’t know many other children, but his mother suggested that he host a birthday party and invite some of the friends he
asked by lana 
Math
At the carnival , the ring toss advertises that 3 of every 7 players win a prize. The pop balloon game advertises that 4 of every 9 players win a prize. Which game would you play? Explain
asked by Deana 
reading
Which word pair from “Ichiro's Tenth Birthday Party” contains antonyms? A. tried—impossible B. basketball—volleyball C. thrilled—forlorn D. brothers—uncles is it c?
asked by lana 
8th Grade Science
How do adaptations enable organisms to reduce competion for food and other resources PLEASE ANSWER BY 4 (50 MINS)
asked by Christina 
College Algebra
The equationS = 1.3x + 6.4 represents the amount of sales of statin in billions of dollars in 2005. a. According to this equation, people in the U.S spent  billion dollars on statins in the year of 2011. b. According to this equation, sales of statin
asked by Sara 
chemistryDr BOB
Hi Dr. Bob, I first want to tank you for all your help. Secondly, I don't understand why this was marked wrong. When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17 degrees C.
asked by patrick 
Computer Science
Convert the following binary numbers to decimal (6 points): 11111 101011 1101011 Convert the following decimal numbers to binary (6 points): 49 367 1023 Convert the following hex numbers to decimal (4 points): ACE 800 Convert the following decimal numbers
asked by parth 
science
a bullet leaves a rifle with a velocity of 200m/sec and strikes targt up to 4cm what velocity scould it have pierce the same block of wood up to 16cm?
asked by infant 
Chemistry
1. Ammonia gas can be prepared by the following unbalanced equation: _____ CaO(s) + _____ NH4Cl (s) > _____ NH3(g) + _____ H2O(g) + _____ CaCl2(s) a. Balance the equation. CaO + 2NH4Cl = 2NH3 + H2O + CaCl2 b. Suppose you begin this reaction with 112.
asked by Chelsea 
Art History
I have to answer some questions about the artwork "Last supper" from the Rossano Gosepl but i need help cause i am really confused. 1) What message or meaning do you think this artwork conveys? 2) why is this artist an important one to know historically 3)
asked by S.S 
math
flight is supposed to start at 1025 hours and reach destination at 1320 hours. if it starts 15 minutes late and arrives 19 minutes late,how long does it take to reach its destination
asked by Anonymous 
Statistics
74% of freshmen entering public high schools in 2006 graduated with their class in 2010. A random sample of 81 freshmen is selected. Find the probability that the proportion of students who graduated is greater than 0.750 . Write only a number as your
asked by Obi 
Chemistry
A vessel initially contains pure A at a pressure of 1.0 bar. The total pressure of all gases at equilibrium is 1.5 bar. What is K for this reaction? A (g) B (g) + C (g)
asked by Ash 
Chemistry
What volume of 0.120 M Na3PO4 is required to precipitate all the lead(II) ions from 300.0 mL of 0.200 M Pb(NO3)2?
asked by Amy 
astronomy
A geosynchronous satellite is a satellite whose orbital period matches the rotation of the Earth. Calculate the height above the surface of the Earth which a satellite must have in order to be in a geosynchronous orbit. (Please enter your answer in units
asked by Anonymous 
Geometry i need help urgently plz plz plz
The lenght of a line segement is of 10units and the coordinate of one end point are (2,3) if the abscissa of the other end is 10 find the ordinate of the other end?? Working plz plz
asked by Collins 
statistics
The experience of a certain hospital showed the the distribution of length stay of patients is normal with a mean of 11.5 days and a standard deviation of 2 days. a. What percentage of the patients stayed nine days or less? b.If a new method of nursing
asked by maica 
reading
32. What does the word ingenious mean in the following sentence? Daedalus was known for his ingenious inventions and projects. A. complicated B. expensive C. clever D. confusing is it c ?
asked by lana 
politics
who elects the community government in belgium
asked by faris 
Science
Which has a higher gravitational potential energy a mango or a huge boulder falling from the same height with the same acceleration due to gravity
asked by Shevel 
reading
What is the meaning for the homonym swallow in the following sentence? If you fly too low, the waves will swallow you. A)believe too easily B)take into stomach C)a small, swift bird D)take in is it d?
asked by lana 
finance
Given an interest rate of 7.2 percent per year, what is the value at Year 9 of a perpetual stream of $3,950 payments that begin at Year 19
asked by Paula 
chemistry
A voltaic cell can be built using the reaction between Al metal and O2 from the air. If the Al anode of this cell consists of 65 g of aluminum, how many hours can the cell produce 1.5 A of electricity, assuming an unlimited supply of O2?
asked by maddie 
Physics
On a lowfriction track, a 0.56kg cart initially going at 1.85 m/s to the right collides with a cart of unknown inertia initially going at 2.17 m/s to the left. After the collision, the 0.56kg cart is going at 1.32 m/s to the left, and the cart of
asked by aleisha 
algebra 2
The fuel efficiency rating for a certain car is 28 miles per gallon on the highway and 21 miles per gallon in the city. During one week the car traveled a total of 10.5 gallons of fuel. a) please set up an equation(s) that would model the situation.(be
asked by Alvin 
Physics
A metal of block of mass 10kg lies on a rough plane, horizontal force of 8n applied to the block through it's centre of mass just slides the block on the plat form. What is the coefficient of limiting friction between the block and the plat form.
asked by Akumka patricia 
Chemistry
1. The formation of waterinsoluble chloride salts, especially silver(I) chloride, is useful for the analysis of compounds that contain chlorine. Consider the following unbalanced equation: _____ BaCl2(aq) + _____ AgNO3(aq) > _____ AgCl(s) + _____
asked by Chelsea 
barberton tvet ,science
calculate the maximum height reached by the bullet
asked by sipho 
History
Is it good to have a high rate of natural increase or bad?
asked by Anonymous 
Wildlife Managment
When does the Theory of Island Biogeography apply to species biodiversity on main lands?
asked by Kelsie 
chuka university
given the eccentilisty and a point that lies on the hyperbola ,find the equation of the hyperbola center origin
asked by dennis 
Chemistry
What volume of 0.0495 M Ba(OH)2 is required to neutralize exactly 14.87 mL of 0.136 M H3PO4? Phosphoric acid contains three acidic hydrogens.
asked by Amy 
Inspire international school
Suppose you want to find out about boiling points of different liquids . Describe how you could go about finding the information.
asked by Yazan 
astronomy
Which of the following two telescopes has a better angular resolution? 1) the Hubble Space Telescope (2.4 meter aperture) at optical wavelengths and 2) the Very Long Baseline Array (VLBA), a radio interferometer with a maximum baseline of 8600 km observing
asked by Anonymous 
Math
Solve this multipleangle equation. cos x/2 = (sqrt3)/2
asked by Anonymous 
Chemistry
How can I tell from a graph of temperature vs. time if a reaction is endothermic or exothermic?
asked by Christina 
geography
how might we be able to predict the strength of a society based upon its geography characteristics and closenses to agriculture? Plzzzzzzz help (crying) 😢😢😢😢😭😭😭😭👎👎👎
asked by Ornie 
public speaking
I am trying to pick a motivational speech topic where I have to convince someone to do something (i.e stop shopping at a store, join a particular organization, etc). However, we have to have 5 credible sources, one of which has to be a peerreviewed
asked by dylan 
PHYSICS
Write down the ORDER OF MAGNITUDE for the numbers given: a)4.72*10^7 b)8.65*10^4 C)7.59*10^5
asked by HEJUMACLA 
government
What is considered the most important tool of an interest group?
asked by Anonymous 
Algebra 2
I had to solve this quadratic equation using the complete the square method. Did I do it correctly? The problem is 3x^2+18x+10= 0 (3x^2+18x+10)/3= 0/3 = x^2+6x+(10/3)=0 x^2+6x+(10/3)(10/3)=0(10/3) =x^2+6x= (10/3( x^2+6x +(6/2)^2= 10/3+(6/2)^2
asked by Keith 
reading
Daedalus was a Greek architect—a building designer—who was known for his ingenious inventions and projects. Daedalus designed, among other things, the Labyrinth, a maze of many paths. Famous throughout the world, the Labyrinth consisted of twisting
asked by lana 
sunshine
Convert 2371.625 base8 to base16
asked by olagunju love 
Math
Find the solutions for this equation in the interval [0, 2pi). cos^3 x = cos x Are they 0 and pi?
asked by Anonymous 
Math
1. Solve cos x(cos x  1) = 0. Ans: pi/2 + n pi, and 2 n pi 2. 2 cos x  1 = 0 Ans: x = pi/3 + 2 n pi, and x = 5pi/3 + 2 n pi 3. Solve 4 sin^2 x  3 = 0 Ans: x = pi/3 + n pi, and 2pi/3 + n pi 4. What is one solution to (sqrt2) sinx + 1 = 0? Ans: x = pi/6
asked by Anonymous 
math
$75000is to be diposited in Banks A and B.The simple interest rate per annum for bank A is 8% while that for bank B is 8.5%.After two years their interests are equal.How much money diposited in each bank.
asked by shamima 
algebra2
classify each system and determine the number of solutions: 5xy=3 and 15x3y=9
asked by rae 
Algebra help plz
If € , ß are the roots of the equation 2x^2 + 4x  3 = 0 and €^2 , ß^2 are the roots of the equation x^2 + px + q = 0, find the value of p.
asked by Collins 
English
All the eight rowers face backward, but the cox faces forward. ======================= What is the part of speech of 'backward' and 'forward'? Are they nouns or adverbs?
asked by rfvv 
Math
Comparing Two mixed numbers, Arrange in Ascending order. 2/3,5/6,4/9,2/9
asked by Balaa 
physics
suppose that the two person,each of mass 100kg are 3meter a part in outer space.what is the magnitude of the gravitational
asked by abdu 
math
The cheerleading squad is having a bake sale. They want to bake at least 120 cookies. They made 12 cookies the first hour and 24 cookies the second hour. a)Write an inequality that describes the scenario. Let Variable h represent the number of hours that
asked by XenaGonzalez 
pleaswe help algebra
Of the 125 students in an elementary school, some only play checkers, some only play chess, and some play both. 89 students play checkers and 45 students play checkers and chess. How many students in the school play chess If A = {2, 6, 10, 14, 18, 22, 26,
asked by XenaGonzalez 
Chemical Engg
calculate the final temperature whenHelium (degree of freedom=5/3) at 1 atm pressure is comressed quasistatically and adiabatically to a pressure of 5 atm.
asked by Tuyeni Today 
Calculus i need help plz plz
If y=ws^3/d^4 find the % increase in 'y' when 'w' increases by 2% and 's' decreases by 3% and 'd' increasee by 1%...... There a little error in the first question i post here it is plz i need the working and explanation
asked by Collins 
Government
Why has union membership in the US declined?
asked by Anonymous 
Physics
A school boy walk 10 meter due west and afterward 15meter due south before reaching his school. Calculate the total distance and his displacement
asked by Amos rejoice 
Chemistry
A sample of gas in a cylinder of volume 3.64 L at 275 K and 2.68 atm expands to 7.04 L by two different pathways. Path A is an isothermal, reversible expansion. Calculate the work for Path A. Answer in units of J What I did was basically W=P(delta V)
asked by Alex 
physics
A football is kicked with an initial velocity v=9i+12j. Find the speed in (m/s) of the ball after 2.4s A) 9.2 B) 10.8 C) 12 D) 15
asked by HEMANT 
Physics
Orville walks 330 m due east. He then continues walking along a straight line, but in a different direction, and stops 160 m northeast of his starting point. How far did he walk during the second portion of the trip and in what direction?
asked by Michael 
Math
Solve csc^2 x = 5 algebraically over the interval 0
asked by Anonymous 
Statistics
At a certain concert, 43% of the audience was under 20 years old. A random sample of n = 181 members of the audience was selected. Find the value of sample mean, the mean of the distribution of sample proportions. Write only a number as your answer. Do not
asked by Obi 
math
show that if w is continous on [0,1] and integral w*v on [0,1] equal zero then w(x)=0 for x in [0,1]
asked by assma 
Calculus
How do I calculate the following? tan−1(tan(8)) − tan−1(tan(4))
asked by Anonymous 
English
The bow and "two" keep the balance of the boat. =================== Wha tis the function or the role of the quotation marks for "two"?
asked by rfvv 
chemistryDr Bob
is that a 56? Dr. BOb. thank you When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17 degrees C. Calculate delta H of this reaction. (Assume that the total volume is the sum of the
asked by patrick 
English
1. Everyone in the boat has to work as a team. 2. Everyone in the boat has to move as a team. =========== Are both the same? Can we use 'move' instead of 'work'?
asked by rfvv 
History
Can the RNI of population growth rate and the Total Fertility rate of a country relate to each other?
asked by Anonymous 
Ifugao State University
Daisy is 3 years older than JR. Two years ago Daisy was twice as old as JR. Find their present ages.
asked by Jen Jen Gano 
physics
from a roof top a rifle is fired with a steady blowing wind. The time interval between the flash and the report,observe at 1km away is 5seconds.find the velocity of sound in air
asked by kings. 
Math
164c=20
asked by James 
Math
hi what is m/3+6=3
asked by Student 
Chemistry
A compound isolated from oil of mint has a characteristic cool, refreshing odour. It is frequently used in cough drops to ease the pain of a sore throat. This compound contains only C, H, and O. If 95.6 mg of this compound burns completely in O2, and
asked by Chelsea 
politics
explain how power is shared among different organ of the government
asked by faris 
history
explain any 3 aspects highlighted by charles dickens in novel "hard times"
asked by faris 
geography class 10
what are causes of water scarcity in india
asked by faris 
Distributive property
1.8*19 a.(8*10)+(8*1) b.(8*10)+(8*9)*** c.(8*20)1 d.(8*10)(8*1)
asked by Janet 
HELP AP BIOLOGY
How would the results of the experiment be affected if you were sloppy and sometimes did not dry off the outside and/or ends of the dialysis bags prior to determining their masses? explain why this would matter.
asked by Anonymous 
Complete the Square
My teacher wants me to make 5 hard complete the square questions and solve them in front of her to get a %5 bonus mark. Can anyone give me 5 really hard complete the square questions?
asked by Bobby Funtimes 
microeconomics
Hi, I have to answer the following question: A person with the utility function U(x, y) = y + x^2 has convex preferences, true or false? I don't know how to do it, do I put U(x,y) = to a K and make up some bundles? Can someone please explains the step to
asked by alsac 
Government
How have factions, interest groups and lobbies been regulated?
asked by Anonymous 
grammar
adjective of thosse words and make them in the centenses promoted demoted accelerated situated
asked by dido 
Chemistry
A compound isolated from oil of mint has a characteristic cool, refreshing odour. It is frequently used in cough drops to ease the pain of a sore throat. This compound contains only C, H, and O. If 95.6 mg of this compound burns completely in O2, and
asked by Chelsea 
math
At noon the teamperature was 50° F. It rose by 2° evrwy hour after that
asked by derrick 
mathpolynomial
the question was using the polynomial P(x)=x^24, evaluate P(x) I did P(x)=(x)^24 (x=2)(x2) Is this correct? Thanks for looking over my work.
asked by jon10 
MATH
Use elimination to solve. X+5y=17 4x+3y=24
asked by MED 
Math Help
Directions: Using the value given in the following problem, find what the slope of the graph for this function would be. f(x)=2x^2+5x7/x^2 when x=4
asked by Stacy 
math homework
Find the all the possible values for x if there are any so that the graph of the function has a horizontal tangent. y(x)=x^44x+4
asked by Kevin 
grammar
promoted find the adjective and put it in the sentence
asked by dido 
Writing and Gramnar
Fine the complete verb in each sentence. In the blank write the later that corresponds to the correct answer.
asked by Kauna 
Writing and grammar
In the 1800s the river was regularly used as a mean of transportation. A, was used, b, was regularly used, c, regularly used as. Which one is the correct answer.
asked by Kauna 
reading
Daedalus was a Greek architect—a building designer—who was known for his ingenious inventions and projects. Daedalus designed, among other things, the Labyrinth, a maze of many paths. Famous throughout the world, the Labyrinth consisted of twisting
asked by lana 
reading
28. What is the meaning for the homonym flee in the following sentence? Daedalus and his son would flee through the air. A. escape from danger B. small jumping insect C. outdoor market D. unkind saying is it a?
asked by joshua les 
SS
What are two of the most influential Roman achievements today?
asked by Anonymous 
social studies
economic problems after civil war. How are the people doing all of the work going to be paid and by whom?
asked by nicole 
Organic Chemistry
What is the solubility, in mg/mL, of a 50% water/50% methanol solution at 73.5 degrees Celsius? Is there a table available online somewhere?
asked by Sasha 
Math
The parametric equations for a line L1 are as follows: x = 2+2t y = 2+2t z = −3+2t Let L2 be the line parallel to L1 and passing through the point (1, −4, −3). Find the point P on L2 whose xcoordinate is −4. P = P(−4, 0, 0) Thanks
asked by Excel 
reading
Which group of words in the following sentence is a dependent clause? Yesterday morning, Sam slept late because there is no school on holidays. A. Yesterday morning B. Sam slept late C. because there is no school on holidays D. Sam slept late because there
asked by lana