Questions Asked on
September 7, 2015

physics
You throw a baseball directly upward at time t = 0 at an initial speed of 13.3 m/s. What is the maximum height the ball reaches above where it leaves your hand? At what times does the ball pass through half the maximum height? Ignore air resistance and
asked by Jordan 
physics
While standing at the edge of the roof of a building, you throw a stone upward with an initial speed of 7.65 m/s. The stone subsequently falls to the ground, which is 11.1 m below the point where the stone leaves your hand. At what speed does the stone
asked by Jordan 
History
1) How does New Mexico's landscape mostly vary? It has both very wet and very dry regions. Some parts are flat, but others are mountainous.********** Coastal regions are cooler than inland regions. Farmland in some areas requires a great deal of
asked by Trish 
Economics (Net Present Value
Approximately 14 million Americans are addicted to drugs and alcohol. The federal government estimates that these addicts cost the U.S. economy $300 billion in medical expenses and lost productivity. Despite the enormous potential market, many biotech
asked by Leo 
algebra help me please
The equation below shows the area of a trapezoid, A, with a height of 9 cm, and one base 35 cm. A = 9 over 2(b + 35) Which of the following formulas correctly solves for the other base, b? b = 2A over 9 + 35 b = 2 multiplied by A over 9 − 35 b = 2
asked by oscar 
stats
Suppose you toss a coin 100 times and get 82 heads and 18 tails. Based on these results, what is the probability the next flip will be a tails?
asked by john 
ECON
You’ve recently learned that the company where you work is being sold for $500,000. The company’s income statement indicates current profits of $25,000, which have yet to be paid out as dividends. Assuming the company will remain a “going concern”
asked by Chante 
algebra
Jess observed that 60% of the people at a mall on a particular day shopped for clothes. If 2500 people at the mall did not shop for clothes that day, the number of people who shopped for clothes that day was ______. (only put numeric values, no other
asked by oscar 
algebra
Abbey wants to use her savings of $1325 to learn yoga. The total charges to learn yoga include a fixed registration fee of $35 and a monthly fee of $50. What is the maximum number of months for which Abbey can learn yoga with her savings? 24 25 26 27 is it
asked by oscar 
Physics
Packing material made if pieces of foamed polystyrene can easily become charged and stick to each other. Given that the density of this material is about 35 kg/m^3, estimate how much charge might be on a 2.5 cm diameter foamed polystyrene sphere, assuming
asked by Yanka 
statistics
According to a certain country's department of education 39.6% of 3year olds are enrolled in day care. What is the probability that a randomly selected 3year old is enrolled in day care?
asked by john 
algebra
Below are the steps to solve an equation: Step 1: x − 2 + 3 = 7 Step 2: x − 2 = 7 − 3 Step 3: x − 2 = 4 Which of the following is a correct next step to solve the equation? x + 2 = −4 −x − 2 = 4 x + 2 = 4 x − 2 = −4 is it d
asked by oscar 
algebra
i need you to check my answers for the following questions: use the table to answer problems 1 to 4. the table lists the commuting times for 5 people. write each ratio in the form a/b, and then as a decimal. tell whether each decimal is a terminating or a
asked by anon 
mohlatlego machaba secondary school ,life orientation
which bad road use has a direct impact on the physical, emotional, social, and economic aspects to the family, the country
asked by doctor 
Math
On what day in the year 1943 was the year 300 000 minutes old?
asked by Pam 
Math
Alicia walked 7/8 mile on Saturday and 6/8 mile on Sunday. How far did she walk over the weekend? Give the answer as a mixed number.
asked by Bryce 
Physics
Packing material made of pieces of foamed polystyrene can easily become charged and stick to each other. Given that the density of this material is about 35 kg/m^3, estimate how much charge might be on a 2.5 cm diameter foamed polystyrene sphere, assuming
asked by Ana 
History
10. Which statement best summarizes a main characteristic of kachina religion? Only women can take part in religious ceremonies. Ute Mountain is the most sacred natural site. Hundreds of spirit beings influence the human world. The Anasazi were gods who
asked by Trish 
geometry
which point is the midpoint of AE if A=6, B=4, C=2, D=1, E=8
asked by karina 
Math
Wilma drove at an average speed of 35 mi/h from her home in City A to visit her sister in City B. She stayed in City B 15 hours, and on the trip back averaged 40 mi/h. She returned home 41 hours after leaving. How many miles is City A from City B?
asked by Emmanuel 
Physics
Prairie dogs are burrowing rodents. They do not suffocate in their burrows, because the effect of air speed on pressure creates sufficient air circulation. The animals maintain a difference in the shapes of two entrances to the burrow, and because of this
asked by Help 
algebra
Shiloh has to earn at least $200 to meet her fundraising goal. She has only 100 cakes that she plans to sell at 5 dollars each. Which inequality shows the number of cakes, x, Shiloh can sell to meet her goal? 20 ¡Ü x ¡Ü 200 40 ¡Ü x ¡Ü 100 100 ¡Ü
asked by oscar 
Chemistry
What volume of “wet” methane would have to be collected at 20.0 oC and 760.0 torr to be sure the sample contained 2.00 x 102 ml of dry methane at the same temperature and pressure ? My Work: All I have so far is that I use P1V1=P2V2 but I don't know
asked by Joe 
History
Which characteristics did all early Native Americans in New Mexico share? They all built wickiups. They all built kivas. They were all very warlike. They were all skilled farmers.************
asked by Trish 
Algebra
A plane takes off from an airport and flies east at a speed of 350 mph. Ten minutes later, a second plane takes off from the same airport and flies east at a higher altitude at a speed of 400 mph. How long does it take the the second plane to overtake the
asked by Doug 
History
Briefly identify two effects of European colonization on New Mexico during 1600s and 1700s I need help on this one Poor crops so they colonized to learn new agriculture. political oppression to have freedom in religion If im wrong can you point me to where
asked by Trish 
Math
Which set of numbers best describes the displayed weights on a digital scale that shows each weight to the nearest half of pound. A) Whole B) Rational C) Real D) Integers My answer is Rational because rational numbers can be written as a decimal or
asked by Tamara 
Chemical Engineering
A small family home in Tucson, Arizona, has a rooftop area of 1967 square feet, and it is possible to capture rain falling on about 56% of the roof. A typical annual rainfall is about 14 inches. If the family wanted to install a tank to capture the rain
asked by STAN 
Chem
18) Chlorine reacts with potassium bromide to produce potassium chloride and bromine. A) write a chemical equation, using words, to represent the above chemical reaction. My answer: chlorine + potassium bromide ==> potassium chloride and bromine ( I'm
asked by Sara 
finite
suppose that 2 cards are randomly selected from a standard 52 card deck. A) whats the probability the first card is a club and the second is a club if the sampling is done without replacement? B) if both cards are clubs but it is done with replacement?
asked by john 
history
Which of the following was not a primary concern of Charlemagne? establishing a central government to rule his territory building a standing army conquering Norseheld lands of Sweden and Denmark strengthening the Christian faith across Europe I think its
asked by oscar 
history
Scholasticism provides an example of which of the following? the blending of Norse and Christian culture the blending of Greek and Roman architectural styles the blending of Greek and Roman philosophies with Christian ideas the blending of Jewish and
asked by oscar 
probability
Anne and Bob each have a deck of playing cards. Each flips over a randomly selected card. Assume that all pairs of cards are equally likely to be drawn. Determine the following probabilities: (1) The probability that at least one card is an ace, (2) the
asked by matt 
Math
The dark chain is 5/12 yard long. The light one is 9/12 yard long. How long will they be if they are joined? Give the answer as a mixed number.
asked by Amari 
maths
There are 28 in our class. One day there were 6 times as many present as there were absent. How many were present? How many were absent?
asked by chloe 
Chemistry
A 2.20 gsample of a compound containing carbon, hydrogen, and oxygen is burned and it produces 4.61 g CO2 and 0.94 g H2O. What is the empirical formula of this compound?
asked by JORDAN 
chemistry
calculate the grammes of oxygen which would be evolved on heating 5g of potassium trioxochlorate(v)
asked by tea 
Computer Programming
2. Chocolate Delights Candy Company manufactures several types of candy. Design a flowchart or pseudocode for a program that accepts a candy name (for example, "chocolatecovered blueberries"), price per pound, and number of pounds sold in the average
asked by Linda 
probability
Spaceman Spiff’s spacecraft has a warning light that is supposed to switch on when the freem blasters are overheated. Let W be the event “the warning light is switched on” and F “the freem blasters are overheated”. Suppose the probability of
asked by jerome 
problem solving
for a parallel structure of identical components, the system can succeed if at least 1 of the components succeeds. Assume that components fail independently of each other and that each component has a 0.19 probability of failure. A) unusual to see 1
asked by john 
math
A factory is to be built on a lot measuring 210 ft by 280 ft. A local building code specifies that a lawn of uniform width and equal in area to the factory must surround the factory. a) What must the width of the lawn be? b) And If the dimensions of the
asked by Marie 
finite
The probability that a randomly selected 2 year old feral cat will live to be 3 years old is 0.73877. A) what is the probability that 2 randomly selected 2 year old cats will live to be 3? B) what is the probability that 7 will live to be 3?
asked by john 
algebra
A company did a quality check on all the packs of nuts it manufactured. Each pack of nuts is targeted to weigh 18.25 oz. A pack must weigh within 0.36 oz of the target weight to be accepted. What is the range of rejected masses, x, for the manufactured
asked by oscar 
math
A factory is to be built on a lot measuring 210 ft by 280 ft. A local building code specifies that a lawn of uniform width and equal in area to the factory must surround the factory.
asked by Marie 
history
Which of the following people was of similar status to the pope in the Middle Ages' social hierarchy? bishop vassal king knight was it the king
asked by oscar 
math
The cost of a pencil is $0.25 more than the cost of an eraser. If the cost of 8 pencils and 10 erasers is $12.80, find the cost of each.
asked by Dad 
Algbra
Admission to a baseball game is $3.00 for general admission and $5.00 for reserved seats. The receipts were $4545.00 for 1285 paid admissions. How many of each ticket were sold?
asked by Hugo 
physics
a uniform pole 20 ft. long and weighing 80 lb. is suspected by a boy 2.0 ft.from end A and a man 5.0 ft. from end B .at what point should a load of 100 lb. be placed on so that the man will support twice as much as the boy?
asked by herher 
Math
Sondra has a lot of cats (which have four legs) and parakeets (which have two legs) but no other pets. Among her pets, Sondra counts 57 heads and 176 legs. How many cats does she have?
asked by Pam 
math
After the game the coach bought 9chicken meals for $5 each and 15 burger meals for $6 each. What percent of the total amount the coach spent was used for the chicken meals?
asked by kiki 
math
Prove: (1+tan21)(1+tan28)(1+tan24)(1+tan17)=4
asked by Rabinprakash 
2 demensional design
Tangent shapes touch or nearly touch the frame of __________or another element.
asked by adiell 
Physics
While John is traveling along a straight interstate highway, he notices that the mile marker reads 280. John travels until he reaches the 156mile marker and then retraces his path to the 175mile marker. What is John's resultant displacement from the
asked by Robert 
jiskha
so im wondering, what time do the main tutors log off of jiskha ? like some main tutors, reiny, damon, steve, ms. sue, and writeacher. i don't see any tutors that are answering the 9 current questions, but i know that writeacher is still on because he/she
asked by anon 
statistics
An online site presented this question, 'Would the recent norovirus outbreak deter you from taking a cruise?' Among the 34 comma 203 people who responded, 66% answered 'yes'. Use the sample data to construct a 90% confidence interval
asked by Roberts 
finite math
Among 26 to 31 year olds 35% say they have driven a car while under the influence of peer pressure. suppose 2 26 to 31 year olds are selected at random. A)the probability that at least 1 has not driven under the influence? B)the probability that at least 1
asked by john 
history
Charlemagne first came to power using which of the following tactics? He allied with his brother to defeat a rival leader. He asked the Pope to name him the Emperor of the West. He named himself Emperor of the West. He allied with the Lombards to overtake
asked by oscar 
Algebra
Choose all correct answers. Which of the following ordered pairs are solutions of the system, y =x4 (6,3) (4,0)*** (3,1)***** (2,4) Please help
asked by Bubbles 
math
Sarah has $4.55 worth of change in nickels and dimes. If she has 5 times as many nickels as dimes, how many of each type of coin does she have?
asked by Unal 
social studies
what are the disadvantages of a reorganized family
asked by crystal charles 
Math
If 2ab + 5cd = 5 and abcd = 1, what is the value of 4a^2b^2+ 25 c^2d^2
asked by Noor 
intermediat Algebra
Rachel runs 7 miles in 80 minutes. At the same rate, how many miles would she run in 64 minutes?
asked by David 
Statistics
A regional manager visits local fast food franchises and evaluates the speed of the service. if the manager receives her meal within 45 seconds, the server is given a free movieadmission coupon. If it takes more than 45 seconds, the server receives
asked by Bea 
Math Urgent
In a survey of 63 people, 23 people subscribe to magazine A, 21people subscribed to magazine B,and 17 people subscribed to magazine C. For any two of the magazines,4 people subscribed to both magazines but not to the third magazine. If 5 people in the
asked by Bell 
history
Use the excerpt to answer the following question: "And so as it were at the same moment the master's command is given and the disciple's work is completed, the two things being speedily accomplished together in the swiftness of the fear of God by those who
asked by oscar 
microeconomics
Mickey is very picky and insists that his mom makes his breakfast with equal parts of cereal and apple juice. Any other combination ends up on the floor. Cereal costs 4 cents per tablespoon and apple juice costs 6 cents per tablespoon. If his mom budgets
asked by Alex 
microeconomics
Budget constraint 1 is faced when price food = 10 and price clothing = 5. Budget constraint 2 is faced when pfood = 40/7 and pclothing = 10. The income is 100 for both budget constraints. Draw both budget constraints. Next, draw the following four
asked by Alex 
math
Suppose an object is dropped from a height h0 above the ground. Then its height after t seconds is given by h=−16t^2+h0, where h is measured in feet. If a ball is dropped from 48 feet above the ground, how long does it take to reach ground level?
asked by Marie 
geometry
The height of a triangle is 25 inches greater than its base. The area of the triangle is 625 square inches. The height of the triangle is inches and the base of the triangle is inches.
asked by Gaby 
Maths
A particle moves on a line away from its initial position so that after t hours it is s=3t^2+t miles from its original position.
asked by Murina 
AP Chemistry
A 33.8 g sample of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 20.7 g. What was the mass of iron in the sample of ore? Answer in units of g.  I
asked by Allyson 
probability
Alice and Bob each choose at random a number between zero and two. Consider the events events A: The magnitude of the difference of the two numbers is greater than 1/4. Event B: At least one of the numbers is greater than 1/4. Event C: Alice’s number is
asked by matt 
math
On a graph paper draw a rough sketch of the straight lines whose equation are xy=2 and x+y=1.Estimate the point at which they meet .check your result by solving the two equations simultaneously.(show the drawing and checking)
asked by macpherson emily 
Science
Which of the following statements is not true of using electron dot diagrams? A. The element's group number provides a clue about the number of valence electrons. B. An element with eight valence electrons is chemically unstable. C. Dots should be placed
asked by Dia 
History
Reference Maps and Thematic Maps vary across the globe. Which of the following is the correct answer? A. Mental Maps are only found using GPS B.Mental Maps are only useful by Geocachers who use GPS to post clues worldwide C.Mental Maps are used for remote
asked by Anonymous 
math/physics
A pomegranate is thrown from ground level straight up into the air at time t = 0 with velocity 96 feet per second. Its height at time t seconds is f(t) = −16t2 + 96t. a) Find the time it hits the ground. t=? s b) Find the time it reaches its highest
asked by Natalie 
math
Determine the end behavior of the function as x → +∞ and as x → −∞. f(x) = 1000 − 39x + 51x^2 − 10x^3 As x → +∞, f(x) → ???? . As x → −∞, f(x) → ??? I know that the end behavior of the function is determined by the leading
asked by Natalie 
english help
A sentence fragment expresses a complete thought fails to express a complete thought connects two complete thoughts together puts two incomplete thoughts together is it b pls help me
asked by oscar 
Math
A rectangular plot, 18 ft by 19 ft, is to be used for a garden. It is decided to put a pavement inside the entire border so that 110 square feet of the plot is left for flowers. How wide should the pavement be?
asked by Chelly 
Chemistry
ClO + I → IO + Cl 1) What are the names of these ions? is it "The hypochlorite ion reacts with iodide ion to form iodate ion with chloride ion" ? 2) Write the general rate law (using the letters k for the rate constant, and n and m for the reaction
asked by Ken 
physics 201
A soccer ball is released from the top of a smooth incline. After 3.90 s the ball travels 10.0 m. One second later it has reached the bottom of the incline. Assume the ball's acceleration is constant and determine its value ( m/s2). How long is the
asked by austin 
Precalculus
#1.) Write (1i)^10 in a+bi form. #2.) Write (1+i)^20 in a+bi form. How do I do these? Thanks!
asked by Ellie 
physics
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.09 m/s. The car is a distance d away. The bear is 20.9 m behind the tourist and running at 6.04 m/s. The tourist reaches the car safely. What is the
asked by Alex 
PLZ! HELP! Algebra
Barbara has $4.40 worth of change in nickels and dimes. If she has 2 times as many nickels as dimes, how many of each type of coin does she have?
asked by Unal 
Math
One tire has a diameter of 7 in and another has a diameter of 12 in. What is the difference in the distance the tires make in two revolutions? I don't get the question could you explain?
asked by Nina 
Physics
In a cathode ray tube, a beam of electrons is injected horizontally into the exact center of the parallelplate region. Here L = 3.0 cm and d = 0.20 cm. The top plate has a surface charge density of σ0 = +0.15 μC / m2, and the bottom plate has a surface
asked by Alex 
Csb
A student obtained the following quiz scores: 90, 85, 93, and 78. What should be the minimum score he has to obtain in the fifth quiz to have an average of at least 80.
asked by Keano 
baseball
A baseball player hit 59 home runs in a season. Of the 59 home runs 18 went to right field, 16 went to right center, 8 went to center field, 12 went to left center field, and 5 went to left field. A) What is the probability that a randomly selected home
asked by john 
Physics
A history book that weighs 30 N is placed on top of a literature book that weighs 10 N. If up is considered the positive direction, what is the force that The history book exerts on the literature book? I know that the literature book would exert 30N on
asked by Priyen 
AP Chemistry
For the reaction NH3+? O2 →? NO+? H2O , what is the maximum amount of NO (30.0061 g/mol) which could be formed from 3.79 g of NH3 (17.0305 g/mol) and 18.63 g of O2 (31.9988 g/mol)? Answer in units of g My first thought was to balance the equation, but I
asked by Ally 
math
Perform and indicate operation and simplify 5/8+7/10
asked by Esther 
college algebra
Barbara has $4.40 worth of change in nickels and dimes. If she has 2 times as many nickels as dimes, how many of each type of coin does she have?
asked by lun 
orgolab
plz help! don't understand problem at all. The solubility profile of tartaric acid in water is given in the following table. Temperature (C) Solubility (g/100 mL of water) 0 115 10 126 20 139 30 156 40 176 50 195 60 217 70 244 80 273 90 307 1. Suppose
asked by domo 
Chemistry
Elements that do not chemically react with other elements are said to be???
asked by Alessandra 
science!
i want you to check my answers for the questions and i might need help on constructing the graph that i need to do for problem 7. variables and graphing assessment practice some students wanted to investigate the effect of light on the growth of spanish
asked by anon 
algebra
Is the following relation a function? {(1, 2), (1, 3), (2, 1), (3, 2)} Yes or no pls help me
asked by oscar 
algebra
You and your friend part at an intersection. You drive off north at a constant speed, and your friend drives east at a speed that is 10 mph higher. After 4 hours the distance between you and your friend is 368.78 miles. You have been driving at mph. (Round
asked by Michael 
programmimg
There are 15 pupils in the Introduction to Programming I module. The age of every student is entered in years and months. Convert the age into months to calculate the average age. Display the answer (average age) in years and months on screen.
asked by kulani ngobeni 
english help
A comma cannot be used to correct most runon sentences can be used to correct most runon sentences can be used to combine two independent clauses correctly is required to combine two dependent clauses correctly is it b pls help me
asked by oscar 
kv luchnow
one of two digit of a two digit number is 5 time other digit if we interchange the digit of is two digit number the resulting new number is 6 more then thrice theoriginal number find two digit original two digit number
asked by juni 
math
A Standard wrench set has a different size from every 16th of an inch. If a 1/2 wrench is too small and a 5/8 wrench is too big, which size should fit. It's a picture of a number line 1/16 through 16/16.Explain how you used the number line to find your
asked by Ashiree 
probability
Dealt five cards in a row from a new deck. What is the probability of you having the Ace, King, Queen, Jack and 10 of hearts?
asked by Shea 
microeconomics
Save Open Spaces (SOS) is a nonprofit organization that promotes protection of undeveloped land. They perform two primary activities: purchasing undeveloped land for preservation and lobbying Congress for additional protection for undeveloped land. SOS
asked by Alex 
math
The perimeter of a rectangle is 24, and its diagonal is √74. Find its dimensions and area.
asked by Marie 
Chemistry
What relationship exists between the electron structure of a Group A ion and the electron structure of the nearest noble gas? Why do boron, carbon and silicon not form simple ions? How do they satisfy their electron requirements?
asked by Anon 
Algbra 2
The length of a rectangle is 3 yards less than 3 times the width. If the perimeter is 50 yards, find the length and the width of the rectangle.
asked by jotheny 
math
The number of units a factory produces is estimated to increase 15% every year geometrically. The production of first years was 5000 units. Estimate the production of the fifth year.
asked by K 
math
Perform indicated operation and simplify 5/8 + 7/10
asked by Esther 
polytechnic of Namibia
Basic science, A hammer of mass is dropped from thew top of a roof of the two storey building to the ground. Another hammer of equal mass fell from a coffee table to the ground. Given than the height of the two storey building and the coffee table are 10m
asked by frans 
Geometry
emily has a square swimming pool that has the side length of 20 feet. She has a walkway that is 6 feet wide. How much fencing will she need to but to enclose the pool and walkway?
asked by Endia 
Physics
A history book that weighs 30 N is placed on top of a literature book that weighs 10 N. If up is considered the positive direction, what is the force that The history book exerts on the literature book?
asked by Priyen 
english
oh i forgot to put in my original draft, which i also forgot to say it was a rough draft. my rough draft needs to have multiparagraph, insights, transitions, and that i wrote a narrative. rough draft: choices An incident from my circle map is when I chose
asked by anon 
statistics
need to explain how i obtain the sample size which is 370 here's the rest of the information i don't know how to writ this out? calculate the sample size using 95% CI and 5% margin of error i got sample size 370 but how do i write this out
asked by Anoymous 
IMT
Calc.the mass in gram of potassium iodide with formula mass 166.01g/mol that will be dissolved in 1 litre of distiiled water to give 0.40
asked by oluchi 
Physics
A ball is dropped from rest and takes 0.43 s to fall to the floor. At what height was the ball released?
asked by Anonymous 
Physics
Inside a metal conductor, why is it not possible to have a static charge configuration if there is a net electric field?
asked by Alex 
english help
Which of the following is an example of a sentence fragment? She writes comics. That was her dream. Because she loves them. In time she made it happen. is it d pls help me
asked by oscar 
CHEMISTRY URGENT HELP
Why are the trunks of fruit trees painted with a mixture of copper sulphate and calcium hydroxide
asked by saurav 
probability
You and your friend just rented a car for an 8,000 mile crosscountry road trip. Your rental car may be one of three different types: new (N), nearly one year old (O), and old (L). If the car you receive is brand new, it will break down with probability
asked by matt 
algebra
how many minutes in a year
asked by fahime 
Math
Find the values of a^2 + b^2 and a^4 + b^4 when a + b = 5 and Ab = 4.
asked by Noor 
math
You wish to invest $800 over one year in two accounts paying 5% and 6% annually. How much should you invest in each to earn $43? Answer: in the 5% account and in the 6% account.
asked by Wilito 
science
Based on the oxidation numbers which compound is the oxidizing agent in the following reaction? 8Al + 3KClO4 ¨ 4Al2O3 + 3KCl
asked by morgan 
Chemistry
The solubility of potassium nitrate at 20¡ãC is 340g/litre. How many grams of KNO3 can dissolve in 185ml of water?
asked by Samuel 
english help
A runon sentence A fails to express a complete thought and lacks proper punctuation B is a dependent clause and lacks proper punctuation C combines two or more complete thoughts without proper punctuation D combines two or more dependent clauses without
asked by oscar 
Chemistry
Experiment questions: Experiment 1 results mass of beaker:116.944 g mass of dodecanoic:11.629 g hot water: 175 C warm water: 10 C Average Fressing pt of Dodecanoic = 42.7 Experiment 2 results: Unknown C solution mass: 2.091g Hot water: 175C warm water: 10C
asked by Jessica 
chemistry
A normal salt is formed when all the hydrogen atoms in acid have been replaced by a metal.Give equation
asked by jack 
Math
The formula t =vh/4 can be used to find the time t in seconds it will take an object to fall from a certain height h in feet .how long did it take the applet o fall?
asked by Nayelis 
statistics
how do i write this into a formula confide level 95% margin of error 5% population 10,000 sample size 370 like n= and so on i m not sure how to do that
asked by Anoymous 
Trigonometry
Prove sin theta ( sec theta+ csc theta)= tan theta+1
asked by Mark 
physics
The ratio og intantanous charge and maximum charge on the plates of capacitor at T=RC is ??
asked by Muqadas 
spanish
can anyone help me with the spanish comic strip please
asked by spanish help 
probability
On your daily route, the possibility of having an accident is 1 in 3650. If you drive to work 220 times a year, how many accidents do you expect to have in 20 years?
asked by Shea 
statistics
I need help with this I already did it on a calculator but now I don't know how to write the formula out on paper like n= for the population and * this or that I m not sure how to write it out help please how do i write this into a formula confide level
asked by Anoymous 
science!
first go to my original question which has the data table with my name, anon, and the school subject as science! tanks. okay so i have a question and most likely will be posting more questions regarding of constructing a graph. my question is, x axis is
asked by anon 
Math
The ratio of female teachers to male teachers in a junior school is 13:5. if there are 48 more teachers than the male teachers, find the total numbers of teachers in junior school?
asked by Safi 
Interview Questions
You enter an exam room to see an elderly patient, and they refuses to remove their glasses during the exam. How would you handle the situation? You have a patient whose English skills need some improvement, and you do not speak their language. How do you
asked by Anonymous 
Government
How do the European Union (EU) and United States (US) differ? Question 2 options: a)Location. b)The EU remains a confederation whereas the US is a federation. c) EU governance is based on treaties whereas the US is based on a constitution. d)Members of the
asked by Ally 
enlgish
not a question, just want you to check my revision of a draft with an action lead in. this is just the revision of the beginning, i may post more revisions of my draft for the middle and end, and will probably ask questions in the answer section. Revision
asked by anon 
Math
You and your friend part at an intersection. You drive off north at a constant speed, and your friend drives east at a speed that is 10 mph higher. After 4 hours the distance between you and your friend is 368.78 miles. You have been driving at mph. (Round
asked by Emma 
Physics
A truck with a mass of 2200 kg, moving at 31 m/s (69 mph), crashes into an immovable wall. It crumples; after the collision, the truck is 0.65m shorter in length than it was before. What is the average speed and how long did the collision last? I was
asked by Krys 
math
What is 17+15/3two to the fourth power. thakyou!
asked by kiki 
algebra
how many full days are in 450,000 seconds?
asked by fahime to damon 
MATH HELP
A Norman window has the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is 50.700 ft. give the area A of the window in square feet when the width is 8.800 ft. Give the answer to two decimal places.
asked by Maricela 
IMT
Science: calc.the mass in gram of ammonium chloride with formulae mass 53.49g/mol that will be mixed in 1litre of distilled water to give 0.05
asked by oluchi 
English: Amoretti LXXV: One Day I Wrote Her Name
What are three questions asked in this sonnet. If you can help great! If not that's fine
asked by Alex 
algebra
convert 384 fluid ounces to gallons?
asked by fahime to damon 
ela
What are the advantages of living in the society of fahrenheit 451
asked by mariam 
english help
Which of the following is an example of a runon sentence? Baseball is an amazing sport to play and to watch. Nothing beats the thrill of the sport on the diamond. I hope you like watching baseball, I really love it. If you don’t watch it, you don’t
asked by oscar 
Math
Give the answer as a mixed number 7+2/3=?
asked by Amari 
spanish
anyone help me with spanish 1 i have to create a conversation comic strip using only the vocab words on my list
asked by jacie 
chemistry
Lime water can be used to detect carbon dioxide but it cannot be used to absorb carbon dioxide. Why?
asked by clive 
alGEBRA 1
how many minutes in a year?
asked by rachel 
computer programming
Do the planning and write an algorithm to solve the following problem. Prepare test data for the example to test all possibilities and draw a trace table. Sam works at a coffee company where all the employees receive a bonus of R700, except the employees
asked by theblues 
Question
Could someone please delete my previous question due to privacy issues? Posted by:Turner Date: Saturday, September 5,2015 at 9:00 pm Subject: AP Physics Thank you so much!
asked by Turner 
physics
The ratio of instantanious charge and maximum charge on the plates of capacitor at T=RC is ??
asked by Muqadas kainat 
Math Trig
A plane's flight path called for it to fly from J to W. W is 200kms due North and 500kms due west of J. Draw a coordinate picture. What bearing will the pilot fly and what distance will he or she go in air kilometers?
asked by K 
Math Probability
Chances of winning a house in a charity is 1 in 5000. You buy a ticket then a second. How much do your chances of winning increase when you buy the second ticket?
asked by Shea 
ALGEBRA
PARA UN MONOMIO EL GRADO SE CALCULA COM EL  DE LA VARIABLE Y EL GRADO ABSOLUTO SE CALCULA COMO LA  DE LAS VARIABLES
asked by Anonymous 
algebra
If g(x) = x2 + 2, find g(3). 9 8 11 6 is it c pls help me
asked by oscar 
Math
81p^2 + 49 q^2 as products of two terms
asked by Noor 
bio
If phosphorous has a charge of 1, how many electrons would be in the first electron orbital?
asked by idris 
Science
How does the cisternal space divide the cell?
asked by Bri 
MathHelp Please
1) at 65kph,mrs Escarcha can reach home within 50 mins.at what rate should she drive her car so that he can reach home 10 minutes earlier? 2) Five people can finish painting a wall within 5 hours. if only 3 people are available, how many hours do they have
asked by Alanis 
Algebra
Solve and graph on a number line: 3/2x + 4/ > 6
asked by Doug 
algebra
how many full days are in 450000 seconds?
asked by fahime 
community psycology
Need an idea on something for a meet that I would be able to attend it all information needs to be on website
asked by Ann 
life orientation
What are four environmental issues that cause ill health to our community
asked by mbali 
AP Chemistry
An ore contains Fe3O4 and no other iron. The iron in a 39.3gram sample of the ore is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 10.6 g. What was the mass of Fe3O4 in the sample of ore? Answer in units of
asked by Sierra 
English
1. I'm running late. 2. I'm becoming late. ========== Does #1 mean #2?
asked by rfvv 
Math
Can someone explain to me why 4 not a whole number. THANKS
asked by Tamara 
spanish
anyone know spanish help me pzl!! any tutors
asked by spanish help 
math
How many times greater is the 8 in38,234 than the 8 in 37,825?
asked by calena graham 
chemistry
What is the mass of 0.0137 mol of aspirin?
asked by Amanda 
pre cal
Can you simplify (2x^4 y^1 times 2y^4 z^1)^2/ 2yx^3 z^0 I got the numerator to be 16x^16 y^17 z and then divided by the denominator to get 8x^13y^16z
asked by bob 
math
f(x)=1x, g(x)=1x, then (f∘g)(x)
asked by Cooper 
Math
(2x^2)^(3/2)/(2^(1/2))*x^4
asked by Max 
music appreciation
The basic framework for ordering music through time is the A. syllable. B. meter. C. value. D. phrase. I'm pretty sure it's B, but I really wanna ace this test.
asked by maddie 
MATHPlease Help me
a menu which serves 4 people requires 3 cups of flour.how many cups of flour are needed for the menu to serve 12 people?
asked by Trixie 
Algebra
Solve and graph on a number line: 3 times the absolute value of 2x + 4 is greater than 6
asked by Doug 
calculus
derivative of y=ln(2x1)
asked by herher 
Pre Cal
Let me try again, because I keep getting something different. This is the problem: ( (2x^4y1)(2y^4z^1) )^2/2yx^3z^0 Can you please help me simply this. I didn't get what you got. Thanks.
asked by bob 
izazi
identify four environment issues that cause illhealht to the community
asked by nelly 
finite
20P0=
asked by john 
math
f(x)=x2−1, g(x)=2x+2, then (fg)(x)= x2−12x+2, x≠1 so is this correct
asked by Cooper 
math
5y3/5=4/5
asked by maria 
Math
a menu which serves 4 people requires 3 cups of flour.how many cups of flour are needed for the menu to serve 12 people?
asked by Trixie 
Science
How are the types of ER related to the cell type?
asked by Bri