Questions Asked on
November 12, 2009

Statistics
A personality test is administered to a larger group of subjects. Five scores are shown below, in original units and in standard units. Fill in the blanks.
asked by Jessica 
Statistics
A personality test is administered to a larger group of subjects. Five scores are shown below, in original units and in standard units. Fill in the blanks. 79 64 52 72 ____ 1.8 0.8 ___ ___ 1.4
asked by Jessica 
Math
Is it true that when you put together unequal groups, you can only add/
asked by Jacob 
Math
Choose the most reasonable unit of measure. Hammer length 37 (mm, cm, m, km)
asked by Katelynn 
math
Complete the following. Round to the nearest tenth. 25 qt = _____ L
asked by Katelynn 
calculus
Consider the function f(x)=4sqrtx+5 on the interval [4,5]. Find the average or mean slope of the function on this interval. By the Mean Value Theorem, we know there exists a c in the open interval (4,5) such that f'(c) is equal to this mean slope. For this
asked by michael 
ENGLISH
Help:Please change show me anthing that I need to do, by placing the correct form at the it the bottom of the essay. Topic: What is your biggest regret in life? My Biggest Regret Everyone has had regrets about something in life. The regrets could have been
asked by Angel 
geometry
if a perimeter to rectangle is 48 what is its area
asked by Anonymous 
Chemistry
Suppose that in your experiment you conducted in lab you neglected to account for pressure due to water vapor in your collected sample of hydrogen gas. How, if at all, would this affect your final value of atomic weight of the metal?
asked by Lillian Nguyen 
Chemistry
If equal masses of Sodium and Strontium were reacted with excess hydrochloric acid, which experiment would produce a greater volume of hydrogen gas?
asked by Lillian Nguyen 
eth125
The most significant similarities between Chinese Americans and Japanese Americans Cultural Experiences and differences
asked by robert 
math
x/3 = x + 10 /6
asked by Lynn 
business
Why does Mead Johnson segmentation on its Web site?
asked by Anonymous 
math
in a certain lottery, 3 numbers between 1 and 9 inclusive are drawn. These are the winning numbers. How many different selections are possible?
asked by ygmomma 
psychology
What are some benefits or advantages of being old (80 years old and up)?
asked by Keesha 
Physics
Read the activity 21:Force and Pressure in the lab manual (pages 167168). As described in the manual, consider a 10 cc syringe is connected to a 50 cc syringe. Information of the syringes are as follows: (mass of 10 cc piston) = 16 g (mass of 50 cc
asked by Ellie 
Ap Physics (Fluids and Pressure_
a) What is the gauge pressure of water at a depth of 38.7 m? kPa b) What is the actual pressure of water at this depth? kPa what formulas do i use and how do i do this?
asked by Jessica 
Math
What is the unknown dimension of 18=1/2(6)x?
asked by EddieJo 
9th grade
10 gm of silver nitrate solution is added to 10 gm of sodium chloride solution what change in mass do you expect after the reaction and why?
asked by Gazal 
9th grade
10 gm of silver nitrate solution is added to 10 gm of sodium chloride solution what change in mass do you expect after the reaction and why?
asked by Princess 
Ap Physics
Read the activity 21:Force and Pressure in the lab manual (pages 167168). As described in the manual, consider a 10 cc syringe is connected to a 50 cc syringe. Information of the syringes are as follows: (mass of 10 cc piston) = 16 g (mass of 50 cc
asked by Ellie 
IT 210
Design a program that models the worm's behavior in the following scenario: A worm is moving toward an apple. Each time it moves the worms cuts the distance between itself and the apple by its own body length until the worm is close enough to enter the
asked by may 
math
Determine the place value of the digit 8 in the number 3,684,159
asked by taci 
math
Simplify. (82  60) + [(3 x 4)  36÷4]
asked by mae 
math
Solve the inequality: x + 14 < 11
asked by s 
health
What everyday changes, if any, might you make to increase the amount of energy expended in your daytoday activities?
asked by Anonymous 
business law
Client P used to work for A&A LTD doing data input, however due to his pay being reduced by his employer without him being informed, he left, but before he did he put a virus on the database. What cases and legislation link to this
asked by LIZZIE 
basic math
Henri reads 1,100 words in 7 minutes, and Samantha reads 700 words in 2 minutes. Who is the faster reader?
asked by Anonymous 
math
Multiply. 1B7twelve x 29twelve which one is the answer 7A93twelve 54A3twelve 2B43twelve 65B3twelve
asked by sm 
Chemistry
True or false? Hydrogen bonds between water molecules are comparable in strength to hydrogencarbon covalent bonds?
asked by Christina 
physics
I would like to thoroughly understand each steo to solve this. In 0.750s, a 7.0kg block is pulled through a distance of 4.0m on a frictionless horizontal surface from rest. the block has a constant acceleration and is pulled by means of a horizontal spring
asked by Inascent 
Chemistry
Name the following compound? FeCl3 x 6H2O
asked by Christina 
Chemistry
Complete and balance the following equation? __P4O6+__H2O > ___________
asked by Christina 
Grammar and Composition
There are some people in this world that you can’t live without, and then there are some other people who you just can’t bear to live with. That second category is the one that I have to deal with all day, everyday. Sure she’s a few years younger
asked by y912f 
history
who went west in wagon trains and why?
asked by Sarah 
biology
How would lgiht reaction be affected if there were no concentration gradient across the thlykoid membrane?
asked by Chandler 
algebra
A Michigan orchard made 14,757lb of taffy apples wih aproximately 1 lb of taffy mixtures for each 67.1 pounds of apples. TO the nearest tenth of a pound, how many pounds of apples and how many pounds of taffy were used?
asked by Sarah 
algebra
In a mixture of concrete, there are four lb of cement mix for each pound of gravel. If the mixture contains a total of 185 lb of these two ingredients, how many pounds of grave are there?
asked by Sarah 
algebra
At work one day, Erica Franz received 36 packages. Speedy Delivery delivered three times as many as Ralph's Express delivered four more than send quick package service . how many packgeds did each service deliver to Erica
asked by Sarah 
Math
Land growing continuous grain corn as a cash crop loses soil at a rate of 14.0 metric tonnes ha1 yr1. This is a fertile soil, which has an organic matter content of 3.8% and nitrogen content of 0.35% (both by mass). a)Calculate how long it will take to
asked by Ramya 
algebra
A midweseren music competition awarde 34 ribbons. The number of blue ribons awarded was 2 less than the number of white ribbons. THe number of red ribons was 3 more than the number of white ribbons. How many of eah kind of ribbon awarded
asked by Sarah 
algebra
A minor league baseball team plays 117 games in a season. If the team won 17 more than three times as many games as they lost how many wins and loses did the team have
asked by Sarah 
psy315
Evolutionary theories often emphasize that humans have adapted to their physical environment. One such theory hypothesizes that people should spontaneously follow a 24hour cycle of sleeping and waking—even if they are not exposed to the usual pattern of
asked by emmy 
Physics
60 cm^3 of gasoline are mixed with 55 cm^3 of water. What is the average density of the mixture? the density of gasoline: 680
asked by SB 
algebra
The value of an uncirculated Mint state 65' 1950 Jefferson nickel minted in Denver is 7 over 4 the value a 1945 nickel minted in Philadelphia in simiar condition. Together the total vale of the two coins is $88. What is the value of each coin
asked by Sarah 
Economics
An airline has a low marginal cost per passenger of $30 on a route from Boston to Detroit. At the same time the typical fare charged is $300. The planes that fly the route are usually full, yet the airline claims that is loses money on the route, how is
asked by Anonymous 
algebra
I need help badly with this assignment. If Venus is 33.3 million miles farther from the sun than Mercury, then Earth is 25.6 million miles farther from the sum than venus. When the total of the ditances for these three planets from the sum is 191.2 million
asked by Sarah 
College Physics
an escalator carries you from one level to the next in the airport terminal. the upper level is 4.5 m above the lower level, and the length of the escalator is 7 m. your mass is 60 kg. how much work does the up escalator do on you when you ride it from the
asked by HP 
ENGLISH
can you please gave me 3 argument with there evedence about useing a cell phone while driving .. thank u ..
asked by Mota 
10th grade algebra
How many kg of pure salt must be added to 8 kg of a 30% solution to obtain a 35% soltution? Round to the nearest tenth.
asked by natalie 
10th grade algebra
kim had a meal at the downtown diner which cost $14.98. if she tips 15%, how much tip should she leave? round to the nearest cent.
asked by natalie 
10th grade algebra
solve the equation for x: 3x+y=6
asked by natalie 
10th grade algebra
solve the equation 2x+y=9 for y
asked by natalie 
10th grade algebra
solve the equation 2a=3a+4c for a
asked by natalie 
algebra
You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object
asked by linda 
algebra 2
You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1.1. the weight of an object follows this equation: , where C is a constant, and r is the distance that the object is from
asked by linda 
10th grade algebra
two cars are driving toward each other from opposite directions if one is driving 55mph the other is driving 60mph and the cars are 500 miles apart how long will it be before they pass each other? round to the nearest tenth of an hour.
asked by natalie 
10th grade algebra
mary takes 3 hours to mow the yard. it takes sally 5 hours. how long would it take with them mowing it together? give the exact decimal answer.
asked by natalie 
10th grade algebra
2b/4+b/3=10 solve for b.
asked by natalie 
10th grade algebra
solve for n. 3n+5=7
asked by natalie 
10th grade algebra
solve for x. x+9=17
asked by natalie 
9th grade algebra
solve the equation. 15(x3)=12x43
asked by jean 
Math
Determine the future value of an annuity due into which quarterly deposits of $450 are made for nine years if the annuity pays 10% compounded quarterly.
asked by Cindy 
Math
What is the rate of inflation of an item with a Consumer Price Index of 246.8 in 1991 and 362.4 in 1992? Round your answer to the nearest tenth.
asked by Jim 
Biology
Why is DNA replication a necessity in cells?
asked by Moi 
HELP!!!!!
a 68 mile trip uses 2 gallons of gas. how many gallons would you use on a 110 mile trip? round to the nearest tenth of a gallon.
asked by jean 
medical
which type of burn involves destruction of the epidermis, dermis, and subcutaneous layers?
asked by Anonymous 
Atmospheric Science
Wind is blowing from Lubbock to Abilene at 10 knots. Assuming a uniform and gradual slope between the two cities, what is the implied sign and magnitude of w resulting purely from this orographic influence? Will this wind warm or cool in transit, and by
asked by Sandra 
10th grade algebra not ms.sue
a 68 mile trip uses 2 gallons of gas. how many gallons would you use on a 110 mile trip? round to the nearest tenth of a gallon.
asked by natalie 
Atmospheric Science
Assuming that the base of a building is 330 ft. above sea level, give a total correction to sea level for the station pressure of 664 N/m^2.
asked by Donna 
LITTERATURE
A grandson of the slave master John Ardinburgh declared that a "good funeral" for Bomefree would include a jug of whiskey. Sojourner Truth saw the jug as offering
asked by Anonymous 
Atmospheric Science
Assuming geostrophic balance, and a 1000 mb gradient of 30 m in 60 nm, what wind velocity does this imply at: Seattle, Washington College Station, TX Veracruz, Mexico San Jose, Costa Rica
asked by John 
10th grade algebra not ms.sue
is the following always sometimes or never true? x+1=x+0
asked by natalie 
Math
Truck transportation has an energy cost of 0.76 kcal kg1 km1, and it is about 3700 km from San Francisco to Toronto. If a romaine lettuce grown near SF has a specific energy content of 17.0 kcal (100g)1 and the dieselpowered truck has a payload of
asked by Sowmiya 
10th grade algebra
two cars are driving toward each other from opposite directions if one is driving 55mph the other is driving 60 mph and the cars are 500miles apart how long before they pass each other? round to the nearest tenth of an hour.
asked by natalie 
GPA calc
Is there anywhere to which I can go that computes your GPA for you?
asked by Mr. Deeds 
math
Land growing continuous grain corn as a cash crop loses soil at a rate of 14.0 metric tonnes ha1 yr1. This is a fertile soil, which has an organic matter content of 3.8% and nitrogen content of 0.35% (both by mass). a)Calculate how long it will take to
asked by Ramya 
10th grade algebra
2b/4 + b/3 = 10 solve for b.
asked by natalie 
Finance
At what rate must $500 be compounded for it to grow to 1079.46 in 10 years? 8 percent? i think
asked by dave 
PLEASE HELP!!!
two cars are driving toward each other from opposite directions if one is driving 55mph the other is driving 60 mph and the cars are 500miles apart how long before they pass each other? round to the nearest tenth of an hour.
asked by natalie 
HELP!!!!!
What is the first step in solving the problem, 3x8/12=9? A) Add 8 to both sides. B) Multiply by 12 on both sides. C) Divide by 3 on both sides. D) Subtract 9 on both sides.
asked by natalie 
physics
Suppose David Ortiz hits a home run which travels 361. feet (110. m). Assuming it left the bat at 50.°, how fast was it hit?
asked by Jack 
Psychology
1) When you hear that someone has been conditioned, what is being expressed is that he/she is doing something a. compulsively b. obsessively c. by overlearning information d. by habit or almost automatically My answer was c but this was wrong. I am very
asked by Hannah 
PLEASE HELP ME!!!
What is the first step in solving the problem, 3x8/12=9? A) Add 8 to both sides. B) Multiply by 12 on both sides. C) Divide by 3 on both sides. D) Subtract 9 on both sides.
asked by natalie 
math
Land growing continuous grain corn as a cash crop loses soil at a rate of 14.0 metric tonnes ha1 yr1. This is a fertile soil, which has an organic matter content of 3.8% and nitrogen content of 0.35% (both by mass). a)Calculate how long it will take to
asked by Ramya= bobpursley help! please 
geography
Sammy goes out to play. His mother tells him to be home by 5:oo. Sammy is almost an hour late, but he has an excuse. He says that he got lost. He tells his mother that when he checked his compass, it was pointing to the west, so he followed a path in that
asked by Chuck 
help please
What is the first step in solving the problem, 3x8/12=9? A) Add 8 to both sides. B) Multiply by 12 on both sides. C) Divide by 3 on both sides. D) Subtract 9 on both sides.
asked by natalie 
History
I need websites that talk about why the northern states were important to the country in the 1830s.
asked by Meg 
Physics
A softball of mass 0.200 kg that is moving with a speed of 8.2 m/s collides headon and elastically with another ball initially at rest. Afterward the incoming softball bounces backward with a speed of 3.9 m/s. 1. Calculate the velocity of the target ball
asked by Anonymous 
sigma notation
find the value of the sum n sigma i=1 (25i)
asked by Reen 
sigma sums
evaluate: n sigma i=1 3/2^(i1)
asked by Reen 
Critical Analysis Essay
In regards to Citizen Kane, with the critical analysis question being "Discuss the idea(s) developed by the director(s) regarding the significance of an individual’s perspective" and my answer being "In Citizen Kane, Orson Welles develops the idea that a
asked by Petra 
social studies
I want to know about the jury system in the USA. Do they decise that a person is guilty or innocent in all cases of crime? Would you let me know something abut 'Jury"? Thank you.
asked by rfvv 
Psychology
1) Marie receives chemotherapy for her cancer, and the chemotherapy makes her very nauseous. During her third visit, just the sight of the treatment room made her nauseous. She tried to relax, but she could not help feeling ill even though the nurse has
asked by Hannah 
math
Truck transportation has an energy cost of 0.76 kcal kg1 km1, and it is about 3700 km from San Francisco to Toronto. If a romaine lettuce grown near SF has a specific energy content of 17.0 kcal (100g)1 and the dieselpowered truck has a payload of
asked by Ramya 
Math
I'm so stuck. The Orange County Teachers' Credit Corp. offers an account which pays 14% compounded quarterly. What is its effective rate of yield? (Express your answer to the nearest onehundredth of a percent.)
asked by James 
Physics
a baseball player leads off the game and hits the long home run. The ball leaves the bat at an angle of 30.0 degrees from the horizontal with a velocity of 40.0 m/s. how far will it travel in the air?
asked by Anonymous 
chemistry
When one mole of LiBr is dissolved in 1 kg of H2O, the concentration of the Br is 1. 0.5 molal 2. 0.5 molar 3. 1.0 molal 4. 1.0 molar
asked by Christina 
Psychology
In his experiments, Paclov found that conditioning worked best if the CS was presented a. just before the US b. at the same time as the US c. just after the US d. instead of the US I know that the answer is not c. I think the correct answer is a because
asked by Hannah 
chemistry
Which of the following would have the lowest vapor pressure? A. 0.8 m C6H12O6 B. 0.10 m C6H12O6 C. 0.05 m C6H12O6 D. 0.15 m C6H12O6 I think it is D... is that correct? Which of the following would have the lowest boiling point? A. 0.8 m C6H12O6 B. 0.10 m
asked by Christina 
Psychology
1) In general, what is learned in classical conditioning ( and what you should try to remember about classical conditioning) is a. to emit an operant b. to give a reflex to a previously neutral stimulus c. to give an unconditioned response to an
asked by Hannah 
Math
Land growing continuous grain corn as a cash crop loses soil at a rate of 14.0 metric tonnes ha1 yr1. This is a fertile soil, which has an organic matter content of 3.8% and nitrogen content of 0.35% (both by mass). a) we did this question before, lost
asked by Ramya 
Molarity
Find the molarity of a salt water solution containing 0.27 mol NaCl in 150g of H2O. My work: 0.27 mol NaCl/150 g x 1000g/1kg = 1.8 M is this correct, i wasn't really sure what to do...
asked by Janice 
trig
when a vehicle is manufactured,its wheels are calibrated to rotate a specific number of times for given speeds with "standard" tires. Suppose a small pickup has standard tires with a radius of 14 inches. You decide to replace those tires with ones which
asked by Amanda 
Chemistry
NaHCO3 + HCl > NaCl+H2O+CO2 What is the normality of a sodium bi carbonate solution containing 5.08g NaHCO3 in 150 ml solution?
asked by Janice 
Math
here is the question: Freida must take a 4hour exam containing 200 questions, 50 of which are math. Twice as much time should be allowed for each math ques as for each other type of question. What is the total # of minutes she should allow for the math
asked by Sophia 
math! please help
Land growing continuous grain corn as a cash crop loses soil at a rate of 14.0 metric tonnes ha1 yr1. This is a fertile soil, which has an organic matter content of 3.8% and nitrogen content of 0.35% (both by mass). a) we did this question before, lost
asked by Ramya 
Simple Chem Help
fill in the blank. The freezing point of a solution is_____ and the boiling point is ___________ than that of a pure solvent. lower...higher?
asked by Dan 
Chemistry problem
What is the expected freezing point of a 3.50 m aqueous solution of BaCl2 (Kfp=1.86C/m)? What is the boiling point (Kbp=0.512C/m? & which is affected to the greater extent, the boiling point or the freezing point?
asked by Dan 
us history
How did the early people of California change their ways of life as their environment?
asked by Jane 
business
How much money must you pay into an account at the end of each of 20 yrs to have 100,000 at the end of the 20th yr? Assume 6% and round to nearest 1$. I come up with 2,718, am I correct
asked by jessica 
French
Could you check these thanks Directions: Complete each sentence with the correct form of the verb in parentheses. 1. Le matin, tout le monde veut la salle de bains. Moi, je  à sept heures. (se réveiller) Answer: me réveille 2. Mon frère
asked by Maria 
English
I saw my friend Sherry cheating on a test. I think cheating on a test is not good. Should I let the teacher know about it? (What is the meaning of the last sentence containing 'let'? Would you like to paraphrase it? Can we use 'make' or 'have' instead of
asked by rfvv 
science
is holding a book while walking work? why or why not
asked by julie 
spanish
what does despues de las clases me gusta mean?
asked by juanita 
math
what is a close circle in math mean
asked by taylor 
science
is holding a book while walking work? why or why not that is the question
asked by julie 
science
Is holding a book while walking work? Why or why not ok
asked by julie 
science
how can i describe how an elevation is shown on topographic map
asked by doesn't matter 
Maths (URGENT)
FIND THE POSITION AND NATURE OF THE STATIONARY POINT ON THE CURVE Y = 3x^5  10x^3 +15x Can you find dy/dx and can you simplify it please.
asked by Kellie 
chemistry; Lab questions help=)
was hoping someone can help me check if these answers make sense for a silver copper alloy lab. 3. Why don’t you have to weigh the sodium chloride on a sensitive balance? This one I am not sure about, It is because an excess of NaCl is needed to make
asked by Dina 
chemistry
Can someone show me a website that talks about spectrums of elements. Including why they're all different, like basic information of spectrums. The why, how, and what.
asked by astrid 
Social Studies
During which war did the Battle of Valcour take place?
asked by Searah 
english
hey, i need help citing a poem for my paper. Its a poem published in a book but i found it on a website. which one do i site and how in MLA?
asked by ron 
english
List four different threatening things that Grendel does from the poem Beowulf .
asked by jasmine 
Grammar
In the sentence "The Bethrothal Letter formally announced the engagement" is announced a (a)action verb (mental) (b)linking verb (c)action verb (physical)
asked by Searah 
cook
why are many eggs used in receipes
asked by jordan 
URGENT Grammar
In the sentence "She approved the apposed marriage" is approved a: (a)linking verb (b)action verb (mental) (c)action verb (physical)
asked by Lily 
business law
Jean owns five acres of land in an area of singlefamily homes on mostly oneacre plots. Jean's property contains her house and three outbuildings. Among the animals housed in the outbuildings are Kennel, a dog and Louis, a tiger. Mary, a neighbor, is
asked by Anonymous 
math help
5(2x+5)4x=59
asked by cherise 
English
Shy I, with earth, share mirth Muse over goodwill's dearth Meaning sinning find in few Due to high IQ, I find you in long queue Bird herd shepherd owl eerie make night dreary Lone lamppost Tree big bloom bird host Hello shallow call wall view On frond
asked by Briana 
cooking
what does more liquid do to a receipe?
asked by jordan 
COOKING
WHAT DOES SUGAR DO IN A RECIPE?
asked by jordan 
Writing
Is "confidentialationalize" spelled like that?
asked by Lily 
COOKING
ON MY ASSIGNMENT IT ASKS LIST ALL OF THE LEAVING AGENTS IN EACH RECIPE NOT SURE WHAT THAT MEANS
asked by jordan 
Physics
Hi I'm kinda new here, and hope someone can please help me out. A person exerts a tangential force of 38.1 N on the rim of a diskshaped merrygoround of radius 2.74 m and mass 207 kg. If the merrygoround starts at rest, what is its angular speed after
asked by Frank 
statistics
3 different drugs are under consideration for trating a given ailment. in the past 10,000 applications, drug A was sed 2500 times, drug B 4000 times, and drug C 3500 times. when an expert was asked to rank the effectiveness of the 3 drugs, he replied:
asked by Albert 
Physics
An acrobat hangs by his hands from the mid dle of a tightly stretched horizontal wire so that the angle between the wire and the hori zontal is 12.5◦. If the acrobat’s mass is 88.8 kg, what is the tension in the wire? The acceleration of gravity is
asked by Letisha 
math
15
asked by di 
Physics
An acrobat hangs by his hands from the mid dle of a tightly stretched horizontal wire so that the angle between the wire and the hori zontal is 12.5◦. If the acrobat’s mass is 88.8 kg, what is the tension in the wire? The acceleration of gravity is
asked by Letisha 
Physics
An acrobat hangs by his hands from the mid dle of a tightly stretched horizontal wire so that the angle between the wire and the hori zontal is 12.5◦. If the acrobat’s mass is 88.8 kg, what is the tension in the wire? The acceleration of gravity is
asked by Letisha 
ap english
in Scott Russell Sanders short story "the Inheritance of Tools", what is his purpose or purposes?
asked by electra 
AP Chemistry
Why is HCI added on a dropbydrop basis to ensure complete precipitation of Group 1 chlorides initially, rather than just added all at once? HCI forms a mixture of AgCI, PbCI2, Hg2CI2
asked by Angie 
easy math question, im just dumb, please help ASAP
DESCRIBE AND CORRECT THE ERROR IN THIS EQUIVALENT RATIO THINGY PLEASE 14 times/day X 1 week/7 days = 2 times/ week I think the answer is 14 times/day x 1 TIME/ 7 days = 2 times/DAY (I capitalized what i corrected, am I right or not? if I'm not, please
asked by Shelly 
world history
what are the 5 most important events in the story of columbus
asked by nick 
Tecnology Discovery
I Need a current event in technology discovery
asked by vanessa 
economics
give examples of normal and inferior goods> what are the similarities and the differences between the 2 groups?
asked by scott 
college chemistry
A green leaf has a surface area of 2.40 cm^2. If solar radiation is 1120 W/m^2, how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 nm for solar radiation.
asked by Eddie 
Civics
What is the main reason that many cities have not built mass transit systems?
asked by Jennifer 
Physics
Two blocks are attached by a thin inextensi ble string over a frictionless, massless pulley. There is a frictional force between the block on the incline and the incline. The acceleration of gravity is 9.8 m/s2 . 13 kg 13 kg μ T 1.1 m/s 0 m/s2 39◦
asked by Letisha 
Physics
A child holds a sled on a frictionless, snow covered hill, inclined at an angle of 33◦. If the sled weighs 56 N, find the force ex erted on the rope by the child. Answer in units of N.
asked by Letisha 
Basic Algebra
Im having a stupid moment and i cant figure this out x1 x2  + = 1 2 3 assume the  is a division bar
asked by Rain 
math
Yani has between 50 and 100 pennies in her collection. When she divides them into groups of 2, of 3, or of 7, there is always 1 penny left. How many pennies does yani have in her collection?
asked by Heather 
4th grade
math worksheet named Calculating Codes we are to fill in the correct signs (+  X etc..) looks like we can't rearragne or create an order of operations other than the order of the signs. the example is 1 23+4 5 = 54 1 2 3 4 5 = 60 only need two signs +
asked by Mom and daughter need help 
History quick ?
I have a quick question. During what election did corrupt bargain start. Was it the election of 1824 or the election of 1828. I thought that it was the election of 1828 but now im finding different answers on websites.
asked by Ryan 
6th grade
whwat does 12g mean?
asked by cheyenne 
Civics
What is the relationship between a state and a municipality within that state?
asked by Bob 
science
why do beads of water form on a slippery surface,such as a freshly waxed car?
asked by max 
science
What causes surface tension in water?
asked by max 
science
explain why certain bugs can walk on water
asked by max 
algebra
5x/911=51
asked by Gary 
math
would this be true 53 > 18  7x greater or equal to 25 subtract 18 35 > 7x greater or equal to 7 divide by 7 5 > x greater or equal to 1
asked by di 
math
how do you do combinding like terms
asked by tiffany 
Biology
Carbon dioxide transport in the human body? Explain why the majority of the carbon dioxide is transported in the forms of bicarbonate ions.
asked by Sam 
Biology
Respiratory system questions? How could expiration be aided by thoracic and abdominal wall muscles? why does a throat infection cause your voice to produce lower pitched sounds?
asked by Sam 
math
if the ratio of the diameters of two spheres is A to B then what is the ratio of their volumes
asked by justin 
math
How do you figure the percentage of ratios for example 30:30 what would the percentage be? How do you divide them and what number do you divide by what number?
asked by Brittani 
7th grade
what is the squrae root of 729???????
asked by kekay 
physics
21.7 kg child descends a slide 3.5 m high and reaches the bottom with a speed of 2.2 m/s How many joules of thermal energy are created due to friction as a kid slides down a slide?
asked by Sasha 
trig
how do you do sinAcosA=cosAcos^3A/sinA
asked by PLEASE HELP!!! 
math
find the number that makes the fractions equivalent 1/2=?
asked by sammy 
Physics
A ball is hit over the fence at a 45 degree angle. The fence is 98 meters away. At what velocity does the ball leave the bat?
asked by Bob 
math
write the words in a expression::::: A subtracted from the product of 4 and B
asked by jessie 
physics
a 145g baseball is dropped from a tree 13.0m above the ground. with what is the velocity of the baseball at the ground after it falls 13.0m? B. If it actually hits the ground with a speed of 8.0o m/s, what is the average force of air resistance exerted on
asked by Sasha 
Histroy
What was Jackson's inaguration symbolic of the New Age?
asked by Ryan 
Europe
what are the seven major peninsulas in europe that are shown in an s.s book
asked by lezamie 
Science
what are three ways sound can be heard
asked by Em 
Chemistry
Assuming the mass of 5% Acetic Acid is 1.0g/mL, what volume of acetic acid is required to neutralize 25.0mL of 0.10M NaOH?
asked by EDK 
12th grade
How do I teach Paradox to my fellow classmates? what activities can I do to involve them while I;m teaching?
asked by Kahmaria 
English
What is the difference between wardrobe and closet? Is a closet always inside a wall?
asked by rfvv 
9th grade
What is the difference between compound and complex sentences?
asked by Vinie 
Organic Chemistry
Is a carboxylic acid group electron donating or election withdrawing and then decide if such a group substituted onto an alkene would be a better candidate for cationic or anionic initiated polymerization?
asked by Ryan 
Social Studies
Was Hector in the Trojan War mentioned in the Iliad or Odessey by homer? thanks:)
asked by Brit 
8th Grade Social Studies
I have to make a comic strip of trade and West Africa, and I am kinda at a loss, any suggestions??
asked by Ashley 
health
Explain the scope of potential health communication barriers with patients of diverse nationalities, lifestyles, health, and educational status. Provide at least one example for each: o Nationality o Lifestyle o Health o Educational status Demonstrate
asked by Anonymous 
Algebra
Did I do this right? Find the vertex, the x intercepts and y intercepts. f(x)=(x2)^24 Vertex: 2,4 X intercepts: 0,0 4,0 Y intercepts: I didn't know how to get these. Could you explain?
asked by Murajabash 
Algebra
I don't know how to put this in standard form: f(x)=x^22x15 I tried (x^22x+x^2)25x^2, but x^2 doesn't factor into anything so I can't fully put it into standard form. can you show me how, plus how to find the x intercepts and y intercepts?
asked by Murajabash 
English
1. The jury is made up of 12 civil people. 2. A jury is composed of 12 common people. 3. There were two juries in the court. (Are the sentences correct? Do I have to use 'a jury' or 'the jury'? Is #3 correct?)
asked by rfvv 
math
Land growing continuous grain corn as a cash crop loses soil at a rate of 14.0 metric tonnes ha1 yr1. This is a fertile soil, which has an organic matter content of 3.8% and nitrogen content of 0.35% (both by mass). a) we did this question before, lost
asked by Ramya HELP! 
Biology
if a person has stooped breathing and is receiving pulmonary resuscitation, would it be better to administer pure oxygen or a mixture of carbon dioxide/oxygen?why? Smoking, air pollution and altitude all affect the rate of respiration. Explain the effects
asked by Sam 
social studies
I have to do a Venn diagram on developed and developing nations and i'm not sure what to do
asked by Kourtnie 
Biology
If a light switch is moved from the "off" postition to the "on" position, then the light will go on. This statement is what? a) can be tested. b) is a conclusion. c) is the result of deductive reasoning. d) can be falsified. e) All of the choices are
asked by Terrye 
Math
A cube has a surface area of 126 square feet. What is the area of one faces? How do you solve this type of problems?
asked by Anonymous 
Physics
A cargo barge is loaded in a saltwater harbor for a trip up a freshwater river.If the rectangular barge is 3.00m by 20.0m and sits 0.900m deep in the harbor, how deep will it sit in the river? answer in meters
asked by SB 
Physics
The deepest point in the ocean is 11km below sea level, deeper than Mt. Everest is tall.What is the pressure in atmospheres at this depth?
asked by SB 
college physics
A small ball of mass m is aligned above a larger ball of mass M = 0.79 kg (with a slight separation), and the two are dropped simultaneously from height h = 2.0 m. (Assume the radius of each ball is negligible relative to h). (a) If the larger ball
asked by Steve 
math
3km x 200m x 5 Can someone help me with this?
asked by jane 
Biology
Bio question relating to the respiratory tract? Recent research has shown that cigarette smoke may result in the following: i.)Destruction of the cilia that line parts of the respiratory system ii.) Rupturing the walls of the same alveoli iii.) Thickening
asked by Sam 
Hurricanes are very dangerous
could you help me find something that will help me write a paragraph on hurricanes are very dangerous to earth and people causing tremendous devastation.
asked by Tim 
Please correct spanish!
Yo vivo en un vecindario pequeño con cinco personas en mi familia. Mis padres les gusta el vecindario pero yo siempre sueno acerca de vivir en una gran ciudad. Todos los arboles son hermosos y ellos ayudan el ambiente pero prefiero edificios y lugares
asked by Jennifer 
accounting
Iron's paper Company, whose fiscal year ends December 31, completed the following transactions involving notes payable: Nov. 25 Purchased a new loading cart by issuing a 60day, 10% not for $43,200 Dec. 16 Borrowed $50,000 from the bank to finance inventory
asked by devi 
General Physics
A 0.40  kg object connected to light spring with a force constant of 19.6 N/m oscillates on a frictionless horizontal surface. If the spring is released from rest, determine the maximum speed of the object.
asked by Ellen 
physics
A plane flying horizontally above Earth’s surface at 150. meters per second drops a crate. The crate strikes the ground 30.0 seconds later. What is the magnitude of the horizontal component of the crate’s velocity just before it strikes the ground? I
asked by Physics Student need help 
Math
If y=0.09x+8.50 what is the yintercept?
asked by Dezy 
physics
10. A cannon elevated at an angle of 35º to the horizontal fires a cannonball, which travels the path shown in the diagram below. [Neglect air resistance and assume the ball lands at the same height above the ground from which it was launched.] If the
asked by Physics Student need help 
Physics
Water flowing through a 2.8 cmdiameter pipe can fill a 200 L bathtub in 5.8 min.What is the speed of the water in the pipe?
asked by NS 
english
i need help on a timeline of changes in technology in schools from 1980 to present
asked by stacy 
Grammar and Composition
Ok, here is my complete "Pet Peeve" Speech. Thanks a lot to bobpursley, and writeacher, and gurublue. There are some people in this world that you can’t live without, and then there are some other people who you just can’t bear to live with. That
asked by y912f 
Physics
A 10cm times 10cm times 10cm block of steel (rho _steel= 7900kg/m^{3}) is suspended from a spring scale. The scale is in newtons. Part A:What is the scale reading if the block is in air? Part B:What is the scale reading after the block has been lowered
asked by NS 
Child care
By providing shelves low enough for children to select materials, you encourage the development of A Social skills B solitary play C Cleanliness D Independence I believe that D is the correct answer
asked by Rosa 
Algebra 1
On a multiple choice test with 10 questions and 5 choices, A,B,C,D,E, for each questions, what are the odds of guessing on all 10 questions and getting 100%. State your answer as a common fraction. Thanks Zach
asked by Zach 
Pre Algebra
6x15>57
asked by Elizabeth 
multiplying metrics
im in 6th gradewe have a math problem to multiply 3km x 200m x5 can you walk me thorough how to get the answer? Thanks
asked by jane 
Math
What is an approximation?
asked by Tara 
4grade math
the temperature on july 23rd was 15'C warmer than it was on june 23rd in a city. if the temperature was 29'C on june 23rd, then what was the temperature in that city o july 23rd? number model_____________'C
asked by pat 
calculus
Consider the function f(x)=12x^5+30x^4–300x^3+2. f(x) has inflection points at (reading from left to right) x=D,E, and F. where D is___, E is____, and F is____.
asked by leah 
Readind and writing number
It is greater than 43 and less than 52. If you add the digits, the sum is 8. Write the number word
asked by Christopher 
Science
Need help on this multiple choice question, thanks! Microscopic airborne particulates that reflect incoming solar radiation and thereby tend to cool the atmosphere are called: a. CFCs b. aerosols c. greenhouse gases d. indoor air pollutants e. hazardous
asked by Bobby 
reiny
thanks reinybut i'm in 6th gr and we r not studying powers..can you help me with a simpler answer without powers?
asked by jane 
pre calculus
were doing sum and difference identities tan (225 degrees+60 degrees) i got to the part where its 1+radical 3/1radical 3 ..now what?
asked by gab 
science PLEASE HELP URGENT:(
how do i convert 4 g/ml to kg/m^3 ?
asked by Anonymous 
Trig
How do you do this problem? 1+i(square root of 3)
asked by Kevin 
science
whats the word for these 2 defenitions hear it goes if you know your speed and the time you traveled you can find the?ok now the second question how far something travels in a certain amount of time .
asked by joseline 
4 grade math
the estimate the number of cans of soda thet drink each week? number of student just pretend this is a bar graph. 0,1,2,3,4,5,6,7. number of student.number of can of soda 2 students of zero and 3 can of soda for 3 students,2 soda of 4 students, 3 can soda
asked by pat 
langage arts
i need to now what is an ambition and i need to put it in a sentence and a synonym also a antonym
asked by stepaie 
trigonometry
Complete the square to Solve Quadratic Equation: Solve the equation. Express the answer in simplest radical form. x^27x=11 Please Help!!!! Thanks.
asked by Sarah 
trigonometry
Complete the square to Solve Quadratic Equation: Solve the equation. Express the answer in simplest radical form. x^27x=11 Please Help!!!! Thanks.
asked by Sarah 
Algebra
How come with (3,4) (vertex), and (1,2) (point) a doesn't equal 4.5, but .5? Please show me how to get this answer.
asked by Murajabash 
english
Identifying the subordinate clauses.then write Noun,adjective, or adverb to tell what kind of clause it is. 1Elizabeth Kenny was a nurse who treated polio patients. answer: who treated polio patients. its an adverb clause. 2Whoever broke the window will
asked by Christ 
Physics
A 75 kg box slides down a 25.0 degree ramp with an acceleration of 3.60 m/s^2. Find coefficient between the box and the ramp. What acceleration would a 175 kg box have on this ramp?
asked by Terrence Eko 
science
how far something travels in a certain amount of time is the?
asked by joseline 
AP Chemistry
What is the redox reaction of (i don't understand how to do this): MnO4(aq) + H2O2(aq) > Mn2+(aq) + O2(g)
asked by Anonymous 
Algebra 1
x^2 + 16=0 Solve by graphing
asked by Zach 
english/MS SUE/SUBORDINATE CLAUSE
SO NUMBER 1 WHO TREATED POLIO PATIENTS. ITS AN ADJECTIVE CLAUSE. 5WHEN YOU LEAVE FOR SCHOOL. ITS ADVERB CLAUSE.
asked by Christ 
Very Basic English
I want to write about this person whose last name is "Williams" if I want to talk about a book he wrote do I write "Williams's" or "Williams" or "Williams'" book Thanks
asked by Very Basic English 
trigonometry
Perform Operations with Complex Number: Solve the equation. x^2+121=0
asked by Sarah 
Finance
Using the financial statements for the Goodyear Calendar Company, calculate the 13 basic ratios
asked by Tonie 
chemistry
was hoping someone can help me check if these answers make sense for a silver copper alloy lab. 3. Why don’t you have to weigh the sodium chloride on a sensitive balance? This one I am not sure about, It is because an excess of NaCl is needed to make
asked by Dina 
MathProbability
A deli offers its cheese sandwich with various combinations of mayonnaise, lettuce, tomatoes, pickles, and sprouts. 8 types of cheese are available. How many different cheese sandwiches are possible?
asked by jj 
english
SYNONYMS WORD MATCH WORD 1.FIND PLACE 2.HELP HALT 3.FOE LIKE 4.GRAND ENEMY 5.ENJOY HURRY 6.UNSALF TRIP 7.SIMPLE GREAT 8.PUT TOTE 9.DASH PLUMP 10.GO RIGHT 11.STOP HIKE 12.JOURNEY GRAB 13.STUFFED WITTY 14.FUNNY EASY 15.CARRY LEAVE 16.WALK ASSIST 17.FIRM
asked by sahil 
accounting
1. A pressurized spray painter was purchased on April 1 of the fiscal year for $4,800. It has a useful life of 4 years and a residual value of $300. Determine depreciation expense for the first two years, assuming a fiscal year end of December 31 and using
asked by shawna 
accounting
2. Illustrate effects on the accounts and financial statements of each of the following transactions. For a company using a job order cost system: (a) Materials purchased on account $176,000 (b) Materials requisitioned: For production orders $161,500 For
asked by shawna 
6th grade Science
A homozygous round seeded plant is crossed with a homozygous wrinkled seeded plant. what are the gentypes of the parents?
asked by Archi 
Biology
Hi, I was looking at phylogenetic trees and I was wondering, how do u root the universal tree of life? Like for eukurya, archea, abd bacteria.. how do we know where to put the root? thanks!
asked by Bob Sinclair 
ap enviromental
for a very long time, prokaryotes were the only living creatures on earth. how long a period? i would appreciate a straight answer please!!!
asked by gab 
psychology
hi i need some help in my homework hope you guys could help me As she moves quietly around the restaurant where she works as a waitress, Alicia finds herself humming in her head the phrase,"just whistle while you work!"This is an example of a/an: A)
asked by cielo 
ENGLISH
In the Handmaid's Tale by Margret Atwood, does the Handmaid system actually repopulate the state?
asked by lena 
Critical Analysis Essay
In regards to Citizen Kane, with the critical analysis question being "Discuss the idea(s) developed by the director(s) regarding the significance of an individual’s perspective" and my answer being “In Xanadu did Kubla Khan a stately pleasure dome
asked by Petra 
geometry
Two corresponding sides of similar polygons are in the ratio of 2 : 7. If the area of the smaller figure is 8 square meters, what is the area of the larger figure?
asked by Matt