Questions Asked on
September 24, 2010

6th grade science
one parent has brown eyes the other has blue eyes, if they have a child what is the percent that it will have brown eyes? blue eyes?
asked by sammy 
History
What is Article 1 of the Constitution called?
asked by Kipper 
physics
An electron is a subatomic particle (m = 9.11 x 1031 kg) that is subject to electric forces. An electron moving in the +x direction accelerates from an initial velocity of +7.93 x 105 m/s to a final velocity of 2.90 x 106 m/s while traveling a distance of
asked by char 
Math
Teaneck High had an enrollment of 11040 in 1985 and an enrollment of 12100 in year 1998. What is the predicted enrollment of Teaneck High in 2014 if we assume a linear model?
asked by Maddy 
maths
the sides of a triangle are in the ratio 2 ratio 3ratio 4. if the shortest side measures 6cm,what is the perimeter of the triangle?
asked by Krtin 
mathtrig
Use the double angle identities to find sin2x if sinx= 1/square of 17 and cosx
asked by conner 
us history
explain the role of the U.S. in the emerging global community?
asked by Lisa Smith 
earth science
how did cultures throughout history attempt to explain events such as volcano eruptions, earthquakes, and ecipses?
asked by Alex 
physics
Andy (mass 80 kg) uses a 3.0 m long rope to pull Bob (mass 60kg) across the floor (uk= .2) at a constant speed of 1.0 m/s. Bob signals to Andy to stop by plucking the rope, sending a wave pulse forward along the rope. The pulse reashes andy 150 ms later.
asked by Will 
physics
A point on a string undergoes simple harmonic motion as a sinusoidal wave passes. When a sinusoidal wave with speed 24 m/s, wavelength 30 cm, and amplitude of 1.0 cm passes, what is the max speed of a point on the string?
asked by Willie 
physics
A simple pendulum is made by attaching a small cup of sand with a hole in the bottom of a 1.2 m long string. The pendulum is mounted on the back of a small motorized car. As the car drives forward, the pendulum swings from side to side and leaves a trail
asked by Bill 
Science
My original question: In a diploid organism with 2n=8, what is the probability that one of its gametes will contain only paternally derived chromosomes (ie, not a mixture of paternal and maternally derived chromosomes)? PsyDAG replied: Since 4 of the 8 are
asked by Axel 
PHYSICS
A rock is dropped from rest into a well. The sound of the splash is heard 2.40 s after the rock is released from rest. (a) How far below the top of the well is the surface of the water? The speed of sound in air (at the ambient temperature) is 336 m/s.
asked by JULIET 
physics
A horizontal pipe 17.00 cm in diameter has a smooth reduction to a pipe 8.50 cm in diameter. If the pressure of the water in the larger pipe is 8.00 104 Pa and the pressure in the smaller pipe is 6.00 104 Pa, at what rate does water flow through the pipes?
asked by flame 
French
So i wrote a composition in french and my teacher marked that i conjugated a verb incorrectly. I can't figure out what it is supposed to be (i don't know if i'm using an incorrect idiom, etc). The original sentence is, "Quand vous allez a l'interieur, la
asked by Amanda 
11th grade
Calculate the root mean square,average and most probable speed of oxygen at 27degree celcius
asked by Gaurav 
physics
Consider a projectile fired horizontally from a cliff of a given height. With what speed must it be fired so that it makes a 45 degree angle with the ground when it hits
asked by Ligu 
math
Find the median of the following set of numbers. 45, 21, 55, 22, 65, 61
asked by davis 
math
Find the fivenumber summary of the following set of numbers: 349, 243, 119, 363, 246, 505, 263, 221, 324
asked by davis 
Avon k 8 Center
If 50 is the first number, what is the second number?
asked by Jack 
math
11. Place the following set of numbers in ascending order. 20, –7, 5, –5, 12, 4, 15
asked by davis 
math
 2.3 – ( 8.9) does it equal 6.6 or x= 2/3=4/6=6/9 x=8/96/9=2/9
asked by davis 
Statistics
37% of all doctors are family practitioners. If there are 300 doctors in one city, what is the standard deviation for the number of family practitioners? What is the expected value for the number of family practitioners?
asked by Lori 
math
identify n(S) for the given set: S={5,10,15,20,25,30,...}
asked by m 
math
find the representation of the number 256 in base six
asked by m 
Statistics
At one college, 2/3 of the professors have doctorates. If a student signs up for 5 classes, what is the probability that 4 of the professors will have a doctorate? I have difficulty defining the X in the binomial distribution?????
asked by Lori 
calculus
A military jet flies directly over and at a right angles to the straight line course of a commercial jet. The military jet is flying 200 mph faster than four times the commercial jet. How fast is each going if they are 2050 miles apart (on a straight line)
asked by lee 
geometry
find the value value of X m
asked by lilboo 
calculus
find the rate of change of the distance between the origin and a moving point on the graph of y=x^2+2 if ds/dt=5 centimeters per second.
asked by norma 
Math
Solve by completing the square x^218x=10 Could you please explain this process. I have read through the text over and over and I just do not understand the process.
asked by asd 
English
did the wampanoag brung popcorn to the first Thanksgiving feast
asked by Darius 
math
A jet takes the same time to travel 2500km with the wind as it does to travel 1900 km against the wind. If its speed relative to the air is 450km/hr, what is the speed of the wind?
asked by lee 
Comm 220
what type of introduction to use
asked by Pam 
Religion
Name me any men/women who made mistakes but God still uses them & accepts them. (Besides Moses & David)
asked by MARIANNE 
business
What is the difference between WEU and EU?
asked by Ryan 
math
Mr.Ronald travelled 5/8 of his journey in 150 min at an average speed of 82 km/h. What was the total distance of his journey?
asked by Anonymous 
math
Donovan spent some money on friday. He spent thrice as much money on saturday than on friday. He spent $20 on sunday. If he spent a total of $125 in the 3 days, how much did he spend on saturday?
asked by Anonymous 
algebra 1
What is the yintercept of the graph of y=2^x+2? (0,4)?
asked by Lily 
math
evaluate 71/325/6
asked by eudora c 
start
the matrials commnly used to sheild living begings from potentially harmful radiactivily includes
asked by jasmine 
Math
An artist wishes to frame a picture with 84 inches of framing material. How wide will the frame be if its width if 75% of its length?
asked by Courtney 
Math
Write an equation of the line satisfying the given conditions in stand form. Ax+By=C How would you do this? m=2 and contains (3,1)
asked by Ryan 
English
Why is it a good idea for a teacher to make their students take turns reading the first couple chapters of a novel out loud as a class before the teacher assings the rest of the novel to be read on their own?
asked by Heather 
math
find domain of the function?
asked by jeff meyers 
Physics
A rifle is aimed horizontally toward the center of a target 220 m away. If the bullet strikes 48 cm below the center, what was the velocity of the bullet (ignore the friction)?
asked by Angela 
physics
a block of ice initially sliding at 15m/s on a frozen pond comes to rest after traveling 90 meters. What is the coefficient of friction?
asked by Angela 
US History
'Consider both sides of an issue that has been debated in recent years: Should organized prayer be allowed in public schools? List 3 reasons why it should be and 3 reasons why it should not. Then decide which position you favor.' Need help with listing the
asked by mysterychicken 
Foreign Language School
Where are Foreign Language Schools ?
asked by Shikher Kapoor 
trig
Write an equation of a secant graph that has amplitude of 3, period of pi/2, is shifted to the left pi/4, and is flipped over the x  axis.
asked by Anonymous 
business(please check answer)
gtai.de/EN/Navigation does this link the trade agreements in germany ??
asked by Ryan 
12th grade
The length of a rectangular floor is 2 feet more than its width. The area of the floor is 168 square feet. Kim wants to use a rug in the middle of the room and leave a 2 foot border of the floor visible on all sides. What should the length (the longer
asked by Anonymous 
algebra
how many liters of a 14% alcohol solution must be mixed with 20 L of a 50% solution to get a 30% solution? Help!
asked by Micah 
statistic
. A company is considering installing new machines to assemble its products. The company is considering two types of machines, but it will buy only one type. The company selected eight assembly workers and asked them to use these two types of machines to
asked by jessika 
PHYSICS
vector B is 3.46 units long toward the east. Vector A is 4.00 units long 30 degrees N of E. How long and in what direction is C = A  B?
asked by Angela 
PHYSICS
Io is a satellite in Jupiter. The radius of its orbit is 422000 km. Its period is 1.77 days. Calculate the mass of Jupiter.
asked by Angela 
math
A military jet flies directly over and at a right angles to the straight line course of a commercial jet. The military jet is flying 200 mph faster than four times the commercial jet. How fast is each going if they are 2050 miles apart (on a straight line)
asked by lee 
Chemistry
what is the difference between a basic bunsen burner and the tirrll burner
asked by christine 
Chemistry
it is considered a saftey hazard to leave an operating burner unatteneded unless the flame is made luminous10 explain why
asked by christine 
Chemistry
when an object was weightedon a top loading balance the balance display read 13.730 the mass was recorded as 13.73g what is wrong with that explain the answer
asked by christine 
math
find the median and mean of this numbers 95,75,86,96,70,68,76,81,95,76,69,83,93,88,94 Is the median 83and the mean 83 if i arrange the numbers in ascending order
asked by davis 
physics
An airplane flies 200 km due west from city A to city B and then 340 km in the direction of 35.0° north of west from city B to city C. (a) In straightline distance, how far is city C from city A? (b) Relative to city A, in what direction is city C? °
asked by joe 
math
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 on Earth also varies according to the elevation of the object? In particular,
asked by Tony 
algebra
x+3/2=6
asked by Anonymous 
Math
A and B caan finish typing a manuscript in 8/3 days; B and C together, in 40/9 days; A and C together in 20/7 days. How long will each, working alone type the manuscript?
asked by Jose 
math
what is 3m/m (fraction), Written as a mixed fraction
asked by Kathleen 
physics
would the energy lost to friction for a sliding object be accounted for as friction force / time traveled ? ?
asked by laura 
9th grade
Around the time of the roman empire the terms inch, foot, and yard were refine. what was the length of a foot based on?
asked by Jacob 
Chemistry
where would the safest location on the bench to set up and use a labratory burner explain why
asked by christine 
Math
Solve for x 1/x+1/(x+16)=1/15
asked by asd 
business
Do Germany only have the european union trade agreement? I searched in the interent and it says that Germany has a new foreign trade and inward investment AGENCY of the federal republic of germany: therefore would this agency be considered as a trade
asked by Ryan 
math
the points are (2.1, 6.3) (2.5, 4.7) y=mx+b find what m= and what b = i got m=2.39 but the I tried to plug the coordinates into y=mx+b but keep getting two different answers of 1.281 and 1.275.
asked by luke 
management
The question I must answer is:How has the management of your organization been influenced by external and internal factors? I am not sure if I am understanding the meaning of external and internal factors in a organization. Can you help me with these
asked by patiance 
math
how would i find the range for these set of numbers 12,19,12,10,24,1,1
asked by chris 
English 2
13. When employing emotional appeals, a writer should a. be sure that those appeals support his or her logical arguments b. ignore his or her logical arguments c. ignore facts and statistics and concentrate on the reader's feelings d. also use circular
asked by mysterychicken 
English 2
14. "Hurry in before supplies disappear" is an example of a. the bandwagon appeal b. false cause and effect c. namecalling d. statistical evidence D? Thanks MC
asked by mysterychicken 
help
describing your experience using a new technology tool. The technology can be any application or digital device that is new to you. • Include the following in your paper:
asked by Anonymous 
physics/ math
A student bikes to school by traveling first d_N = 1.10 {miles} north, then d_W = 0.500{miles} west, and finally d_S = 0.200 {miles} south. You will now find the same quantity algebraically, without the need to use much geometry. Take the north direction
asked by Lacey 
survey of clac
g(x)={x+6, for x or equal to 2, find the limit: lim g(x)= lim g(x)= x>2^ x>2^+ lim g(x)= lim g(x)= x>2^+ x>4^
asked by samir 
US History
'Consider both sides of an issue that has been debated in recent years: Should organized prayer be allowed in public schools? List 3 reasons why it should be and 3 reasons why it should not. Then decide which position you favor.' 3 reasons it shouldn’t
asked by mysterychicken 
calculus
find the rate of change of the distance between the origin and a moving point on the graph of y=x^2+2 if ds/dt=5 centimeters per second.
asked by norma 
math
the bar and graph shows the number of students by major in the college of arts and sciences. What is the ratio of history majors to the total number of students in the college? Math200 history300 english400 science150 other 175
asked by m 
algebra
the equation is f(x) = (1/sq. root of 1x^2) 1. f(x) is never zero. 2. 0 is in the domain of f 3. All negative real numbers are in the domain of f 4. All positive real numbers are in the domain of f 5. 1 is in the domain of f 6. f(x) is never negative 7.
asked by Josh 
math
what is the average of 45 and55
asked by chris 
math
how would i write 0.09524 as a percentage is it 95%
asked by chris 
math
so is 0.09524 move decimal two places to the right is it 9.52%or is it 9.524%
asked by chris 
PhysicsMechanics
A pulley is massless and frictionless. 3 kg, 2 kg, and 6 kg masses are suspended. What is the tension T1 in the string between the two blocks on the lefthand side of the pulley?
asked by Genevieve 
calculus
Find the points on the curve y= 2x^3 + 3x^2  36x + 7 where the tangent is horizontal.
asked by beatriz 
math
4(3)+1/22/(2) am having trouble with this problem. I got a 8.5 decimal are a fration of 8 1/2 am I right? are how do i come up with the solution
asked by cynthia 
math
3/5 =(9/35)=0.34285714 as a decmial and a fraction of 12/35 did i work this problem right
asked by cynthia 
math
7/9(13/18)does it equally 1/18 or can you help me with this soultion
asked by cynthia 
math
(21)(9)/21(21)How would i find the soultion to this problem
asked by mike 
Healthcare Communication Strategies
PLEASE I NEED HELP WITH WRITING 200300 WORDS TO THIS QUESTION, I'VE TRIED EVERYTHING AT A LOSS, DUE TODAY Would you communicate with a professional healthcare provider via email given the change? Why or why not?
asked by Kerri 
math
3/5 =(9/35)so how would i get to coming up with the answer
asked by cynthia 
management
The question I must answer is:How has the management of your organization been influenced by external and internal factors? Would the effect that the FDA has on a organization be consider a external factor?
asked by patiance 
Algebra
Solve the system of equations by an algebraic method. Leave answer in exact form. 4x²  7y² = 21 x² + 2y² = 99
asked by Neil 
mathMs. Sue
ms Sue I was not sure how to do a response to you but my prior question was the following and you had answered to take the total number of students and make this the denominator and the history majors the numerator which I did and makes this 300/1225 so
asked by m 
sociology as an individual pastime
Could you please help me explain the research methodologies used in sociology as an individual pastime?
asked by Kimberly 
biology
What happens to the cells of the body when large quantities of sodium ion were introduced to the blood stream?
asked by marco 
Government
I am a teacher and have a special education student in one of my inclusion government classes. The student likes to draw and drawing seems to encourage him. My question is that I would like to find a government project that would teach government and yet
asked by Dwayne 
economics
What is one kind of monopol that the U.S. government generally permits?
asked by Shannon 
math
3m/m is a fraction. How do I right it as a whole number. Is it just 3?
asked by Kathleen 
algebra
Solve P=2L+2W for L. L=
asked by kelly 
math
A spherical water tank has a diameter of 10 feet. How much water does it hold when half full? (Use 3.14 for p)
asked by pie 
German
I have to write a 250 word essay in German. You are going to talk about a trip you took to all four Germanspeaking countries. (Don't forget Liechtenstein!) Can someone help me i don't know what to write? Plus my german isn't good enough.
asked by Mara Selene 
international award
does anyone know what a international award can help in?
asked by anonymous 
physics
is this right: velocty is speed in a particular distance.
asked by chelsea 
words
Which one of the following operations will move you from cell B7 to cell B8 of a worksheet? A. Pressing the right arrow key B. Clicking on the down scroll arrow C. Pressing the Enter key D. Pressing the Page Down key
asked by saint 
Excel, Access, Word
When you link a worksheet and a chart in a business report as well as on a slide, which Microsoft Office applications are integrated? A. Word, Excel, PowerPoint B. Excel, Access, Word C. Word, Access, PowerPoint D. Excel, PowerPoint, Publisher
asked by saint 
access
Which one of the following statements accurately describes the AutoNumbers field in Access? A. Requires a mathematical calculation B. Includes the currency symbol C. Is automatically assigned as the primary key D. Can be edited with values from another
asked by saint 
words
Which type of file integration is the best choice when you wish to simultaneously update information in several Office files? A. Embedding C. Merging B. Linking D. File sharing
asked by saint 
words
What function will you get if you click on the button displaying the “Ó” symbol? A. Hyperlink C. Merge and Center B. Average D. AutoSum
asked by saint 
Functions
I have to find the domain and range for the composite of functions G(x)=sinx and h(x)=x^2x+1. I'm confused about this and would really appreciate some help. Thanks.
asked by Sarah 
PHyiscs
A HELICOPTER hovering above a forest fire dumps a large bucket of water. How far does the water fall in the first 3.0 seconds t=3.0s
asked by ANON 
Chemistry
Solve Calculate the grams of carbon of 77.7 g of propane?
asked by Corshaney 
pysics
A hotair balloon is descending at a rate of 1.5 when a passenger drops a camera.If the camera is 41 above the ground when it is dropped, how long does it take for the camera to reach the ground?
asked by ju 
Science
Predict how many electrons will most likely be gained or lost by each of the following elements. how do i know if they will lose of gain them? here are the elements i need to know if they lose or gain them. Cs Al Se N
asked by Maria 
History of Health Care Reimbursement System
I included the answers below but i don't know if my answers are correct please send me your opinions. thanks 1.By creating a committee on social welfare, the American Association of Labor Legislation helped to A. Decrease public hospital costs. B.
asked by mielchie 
words
9. If you want to multiply the contents of each of the cells in column C by the tax rate that appears in cell A24, use a/an A. relative cell reference. C. filter. B. absolute cell reference. D. 3D cell reference. 10. If you want to use one of
asked by saint 
words
12. You’ve created a pie chart in Excel and placed it in a PowerPoint presentation. When you edit the pie chart in Excel, the pie chart in PowerPoint doesn’t retain the changes you’ve made. This means that the object has been A. hyperlinked. C.
asked by saint 
power point
19. When using mail merge, the part that contains variable information such as names and addresses is called the A. merge fields. C. merged document. B. main document. D. data source. 20. Options for designing the way text and graphics are positioned on a
asked by saint 
adult education
19. When using mail merge, the part that contains variable information such as names and addresses is called the A. merge fields. C. merged document. B. main document. D. data source. 20. Options for designing the way text and graphics are positioned on a
asked by saint 
Math
1. In the 30 day month of April, for every three days it rained, there were two days it did not rain. The number of days in April on which it rained was how much greater than the number of days on which it did not rain? 2. Each terms of a certain sequence
asked by Leslie 
chemistry
when you add manganese dioxide to hydrogen peroxide does the temperature decrease or does it form a precipitate?
asked by JB 
English
Can you please an idea of how to create a collage that shows how huck and jim feel about the sanctuary of the raft and the violence and shame of the shore. I'm confused as to what pictures or quotes to put in the collage.
asked by bindiya farswani 
physics
The best leaper in the animal kingdom is the puma, which can jump to a height of 12.4 ft when leaving the ground at an angle of 38°. With what speed, in SI units, must the animal leave the ground to reach that height?
asked by asdfghjkl 
chemistry
The pH of a 0.175 M aqueous solution of a weak acid is 3.52. What is Ka for this acid ?
asked by Anonymous 
Health Care Reimbursement Methodologies
I included the answers below but i don't know if my answers are correct please send me your opinions. thanks 1. Hospitals that are excluded from the Medicare acute care PPS (such as children’s hospitals) are paid based on A. reasonable costs.. B. fee
asked by mielchie 
physics
The best leaper in the animal kingdom is the puma, which can jump to a height of 12.4 ft when leaving the ground at an angle of 38°. With what speed, in SI units, must the animal leave the ground to reach that height?
asked by asdfghjkl 
Physics
A model rocket is launched upward with an initial speed of 50 m/s. It accelerates with a net constant upward acceleration of 2.0 m/s^2 until its engines stop at an altitude of 150 m. (a) What is the maximum height reached by the rocket? (b) how long after
asked by Mark 
Physics Mechanics
A 33.5 kg person stands on a 67 kg platform. He pulls on the rope that is attached to the platform via the frictionless lowerright pul ley. He pulls the rope at an angle of 35◦ to the horizontal, as shown in the figure below. Assume: g = 9.8 m/s2 .
asked by Genevieve 
Math
`Perform the indicated operations and simplify. (z1)/(z8)(z+1)/(z+8)+(z120)/(z^264)
asked by Sabrina 
PhysicsMechaincs
The suspended 2.29 kg mass on the right is moving up, the 1.3 kg mass slides down the ramp, and the suspended 7.7 kg mass on the left is moving down. There is friction between the block and the ramp. u=0.15 The acceleration of gravity is 9.8 m/s2 . The
asked by Genevieve 
PhysicsMechaincs
A force of 23.52 N pushes and pulls to blocks as shown in the figure below. The vertical contact surfaces between the two blocks are frictionless. The contact between the blocks and the horizontal surface has a coefficient of friction of 0.29. The
asked by Genevieve 
English 2
'In "It Can't Be Helped", the author describes how racial prejudice affected her early life. Identify the key event in the selection, then explain how the author responded to the event at the time it happened and how she viewed the same even later in
asked by mysterychicken 
chemistry
nitroglycerin (used medically as a vasodilator to treat heart conditions): {\rm C} 15.87\% {\rm H} 2.22\% {\rm N} 18.50\% {\rm O} 63.41\%.
asked by Anonymous 
design
Interprete this quotations " THERE IS NOTHING SUCH AS GOOD AND BAD DESIGN,ONLY APPROPRIATE DESIGN"? write 150 words and explain how do u would interprete this quotation. mention an example of a design project that represent this the meaning of ur
asked by red ridding 
algebra
2x^2x3
asked by dont matter 
math
consider a square and a regular pentagon. one side of the square is 6 feet longer than a side of the pentagon, and the figures have the same perimeter. what are the lengths of the sides of each figure?
asked by ??? 
Language arts
I don't know how to write a summary. How do you write a summary?
asked by Cindy Lee 
social studies
what aresome landforms in the southwest region
asked by caleb 
ap chemisty
Calculate the heat of formation of butane given that the heat of formation of H20(l) is 285.3 kj/mol and the heat of formation of CO2(g) is 393.5 kj/mol.
asked by Sarah 
Math
Multiply (5ã5  15ã7)(3ã5 +9ã7)
asked by Sabrina 
Math
I have to find the domain and range for the composite of functions G(x)=sinx and h(x)=x^2x+1. I'm confused about this and would really appreciate some help. Thanks.
asked by Sarah 
Math
Simplify by removing factors of 1. (r^264)/(r+8)^2
asked by Sabrina 
geography
Bolivia is one of two land locked countries in South America. What is the name of the other country? Looking on a map it looks to be Paraguay. Is that correct?
asked by Reed 
Spanish
indicate the realtionships between the family memebers listed below: Modelos: yo / mi tía Yo soy el (la) sobrino(a) de mi tía. mis abuelos / mi padre Mis abuelos son los padres de mi padre 1. mi hermano(a)/ mis abuelos 2. mi hijo(a)/ mi hermano(a) 3. mi
asked by christopher 
geography
If you are in downtown Chicago and facing north, what direction would you go to reach Lake Michigan? I am pretty good with directions. So my answer is, I would go east. Correct?
asked by Reed 
sew
how can i hand sow a pillow(i only know the blanket and outling stich
asked by jhoin 
arithmetic
In an arithmetic series, the terms of the series are equally spread out. For example, in 1 + 5 + 9 + 13 + 17, consecutive terms are 4 apart. If the first term in an arithmetic series is 3, the last term is 136, and the sum is 1,390, what are the first 3
asked by Cennie 
math
The imaginary number i is defined such that i2 = –1. What does i + i2 + i3 + ... + i23 equal?
asked by Cennie 
English
Hi I have to write an essay that is due on Monday. However, English not being my second language I am having a hard time starting this essay. I don't know where to begin, what information to included ect. Please help me with essay and give me an ideas.
asked by Amy 
Algebra
I can't figure out the answer to question: When you subtract 2c+3d from 5c7d
asked by James 
Calculus
ﬁnd the ﬁrst three nonzero terms of the Maclaurin expansion of y = f (x) where the function is deﬁned implicitly by x^2 + xy + y^2 = 1. Also estimate the error approximating f(0.1) using the ﬁrst two non–zero terms of this series.
asked by Mark 
Math HELP!
I posted a few questions and then went back and posted how I thought they were supposed to be answered. Could someone please locate my earlier questions and tell me if I am on the right track?
asked by Sabrina 
writing
i have to brainstorm ideas on prison break any tips?
asked by HIM 
Precalc
How to solve this inequality and graph? (2x+5)/(x+1) > (x+1)/(x1) would I first get rid of x1 and divide x+1 over to get (2x+5)(x1)/(x+1)(x+1) > 0 if so, then who would I graph this?
asked by Amy~ 
biology
How has climate change impacted the biodiversity around coral reefs?
asked by sarah 
Math
The problem to solve is: (x+20)(x12)(x+4)>0 but I can't figure out how to do this right so I left off the >0 and tried to solve the equation. x+20 evaluates to x+20 x12 evaluates to x12 Multiplying x+20 by x12 is a classic Algebra problem. Here, you
asked by Sabrina 
math
what is the annual return of a $24 investment at 6.1% for 381 years?
asked by shera 
english
Mood and tone! can someone kindly and effectively explain the difference.I am lost completely.Help!
asked by James 
MATHhelp
I have math questions to do, but since my class and I share the math text books with this other class, we are not allowed to bring them home. So I decided to go onto the site : h t t p : // highered . mcgrawhill . com
asked by Anonymous 
not a student
what is an indigenous religion
asked by burt 
calc 3
find the arc length of the curve r(t)=
asked by ashley 
ap chemistry
a cubic piece of uranium metal (specific eat capacity= .117 J/g degree celcius) at 200.0 degrees celcius is droped into 1.00 L of deuterium oxide ("heavy water", specific heat capacity=4.211 J/g degree celcius) at 25.5 degrees celcius. the final
asked by Sarah 
Physics
There is an electric field at a certain point P, where initially there is no charge. A pointlike object is placed at point P, and a force on the object is observed. Next the object is removed and another pointlike object is placed at the same point.
asked by Max 
ap chemistry
A sample of KOH is dissolved into 100.0 grams of water in a coffee cup calorimeter. if the dissolution produces 6.45 kJ of heat and the temperature change is 25.4 degrees celcius to 40.0 degrees celcius, how much KOH (in grams) is added to the water? (the
asked by Sarah 
Chemistry
How do I find the radius of a sulfide ion?
asked by jake 
Math Reiny
AmI doing this right? Multiply (a+1/2)(a+1/3) a^2+1/6
asked by Sabrina 
3rd grade
how many miles is Jupitor from Earth?
asked by ma18 
maths
A research about Mechanisims .
asked by amoura 
Science
What are some bad things on Earth ?
asked by amoura 
chemistry
Substances A and B with the same mass and the same initial temperature absorb the same amount of heat energy. The final temperature of A is higher than the final temperature of B. Which substance would have the higher specific heat? Why?
asked by Kelly 
chemistry
For OCTANE, what is the ratio of Carbon atoms to Hydrogen atoms in a molecule? It's specified that Octane undergoes complete combustion to form 8L of Carbon Dioxide & 9L of Water at constant temp and pressure. thanks :)
asked by kelly 
social studies
Can you please help me write a funny story using these ten(10) words,about,shape,house,urban,suburban,value,what,when,contrast and said.
asked by tim 
Chemistry
A 40.0g sample of an unknow, yellowishbrown, pure metal was heated to 62degrees Celcius and put into a coffee cup calorimeter containing 85.0g of watera at 19.2 degrees Celcius. The water was heated by the hot metal to a temperature of 21.0 degrees
asked by Kelly 
Physics
How far would you have to drill into the Earth, to reach a point where your weight is reduced by 8.0 ? Approximate the Earth as a uniform sphere.
asked by John 
Chemistry
A 40.0g sample of an unknow, yellowishbrown, pure metal was heated to 62degrees Celcius and put into a coffee cup calorimeter containing 85.0g of watera at 19.2 degrees Celcius. The water was heated by the hot metal to a temperature of 21.0 degrees
asked by Kelly 
science
i need help at these. thx 1.the statement, " all living things are made of cells" is an example of _______. 2. a controlled experiment helps to eliminate the effects of unwanted ________. 3. ________ science emphasizes inquiry and observation.
asked by jen 
arithmetic
Evaluate 14+22–36+–36.
asked by susan 
french
what does arrondis le nombre 160 795 a la dizaine de mille pres mean ?? and answer plzz
asked by sandra 
social studies
what role did geography play in the economic success of new york
asked by ann 
ap chemistry
which of the following sets correctly describes the signs of q and w respectively for the following exothermic process at p=1 atm and t=370 K? H20(g)=> H20(l) a.) ,+ b.)+, c.), d.)+,+ e.) q and w are both zero
asked by Sarah 
ap chemistry
the molar heat of fusion for water is 6.01 kJ/mol. the heat capacity for water is 75 J/mol deg. Which expresssion gives the quantity of energy needed to change one mol ice at 0 degrees celsius to liquid water at 25 degrees celsius? a.)6010/(75x25)
asked by Sarah 
AP physics
i really need help on this problem!! Three blocks are connected,on a horizontal frictionless table and pulled to the right with a force T3 = 64.4 N. Assume that m1 = 12.5 kg, m2 = 25.0 kg, and m3 = 31.7 kg. (a) Calculate the acceleration of the system
asked by annamaria 
english
Examples of personal interaction with a friend or family member about personal finance or credit cards
asked by Anonymous 
Spanish
indicate the realtionships between the family memebers listed below: Modelos: yo / mi tía Yo soy el (la) sobrino(a) de mi tía. mis abuelos / mi padre Mis abuelos son los padres de mi padre 1. mi hermano(a)/ mis abuelos 2. mi hijo(a)/ mi hermano(a) 3. mi
asked by Christopher 
algebra
x+y=38
asked by Anonymous 
english
Examples of personal interaction with a friend or family member about personal finance or credit cards. This is an emergency!!! Help please
asked by JJ 
Composition
Write several sentences describing a recent interaction with a friend or family member about personal finance or credit cards.
asked by Anonymous 
social services hs
I was wondering how someone could qualify for SRS services? SRS is social rehabilitation services... like food stamps, drug or alcohol rehab, finding child care, disability services, finding mental health services...etc I was going to call my local srs
asked by taylor 
Chem
Predict how many electrons will most likely be gained or lost by each of the following elements. Al I know it loses but how many?
asked by rebekah 
9th grade
A square made by a length of string 8 cm long is reshaped into a circle. What is the circumference of the circle
asked by Richard 
Chem
The solubility of Cu(NO3)2 is 6.83 grams per 100 grams of water (d= 0.9982 g/ml) How many grams of Cu(NO3)2 will dissolve in 175 ml of water?
asked by SAMMMMMM 
Physics
A satellite of mass 5700 orbits the Earth and has a period of 6000 . a) Determine the radius of its circular orbit. b) Determine the magnitude of the Earth's gravitational force on the satellite. c) Determine the altitude of the satellite.
asked by Jim 
Math SCREAMING for HELP
Use the quadratic formula to slove the equation. x^2x=7 This is what I have got so far and I do not think this is right: x=1(1)±√1^24(1)(7)/2(1) x=1±√14(7)/2 x=1±√21/2 x=1±21/2 and here I am lost! Use rational exponents to simplify.
asked by Sabrina 
math
x^4+3x^3x^2+6 for x=3 3^4+3x3^3(3^2)+6 81+3x3^3(3^2)+6 81+24=57
asked by Anonymous 4 
math
y^37y^2+8y13 for y=2 is the answer 31
asked by AnOnYmOuS 1 
ap chemistry
the heat of neutralization for a strong acid in dilute water solution is about 60 kJ/mol of H+. What quantity of heat in kJ is produced when 100 mL of 3 M HCl is mixed with 100 mL of 1 M KOH?
asked by Sarah 
CHEM
Magnesium has an average atomic mass of 24.3068 amu and has three isotopes: 24Mg(23.985045 amu), 25 Mg (24.985839 amu) and 26 Mg(25.982595 amu) The 26 Mg isotope has an abundance of 11.1%. what are the abundances of the other two isotopes. Please show work
asked by SAMMMMMM 
ap chemistry
in which type of process does the H of a system decrease? endothermic or exothermic
asked by Sarah 
math
2(m^2+5n)4n^3+9 for m=5 and n=2 answer=95
asked by AnOnYmOuS 1 
ap chemistry
a system undergoes a process consisting of the following two steps: step 1: the system absorbs 72 J of heat while 35 J of work is done on it. step 2: the system absorbs 35 J of heat while performing 72 J of work calculate delta E for the overall process.
asked by Sarah 
Math
Find the following. Assume the variables can represent any real number. ã((a+7)^2 ) When I tried to do this I got completely lost. ã((a+7)^2 )=„ a+7„ I'm not doing this right am I?
asked by Sabrina 
ap chemistry
a battery operated tool, such as a cordless drill, converts... a.) electrostatic energy to chemical potential energy b.) mechanical energy to thermal energy c.) thermal energy to mechanical energy d.) thermal energy to chemical potential energy e.)
asked by Sarah 
math
Show you solution. List the terms that complete a possible pattern in each of the following: a)38,33,28,23,18,_,_,_ b)640,320,160,80,_,_,_ c)7,8,15,23,38,_,_,_
asked by Anonymous 
Math
Multiply and simplify by factoring. Assume that all expressions under radicals represent nonnegative numbers. ∛(y^13 ) ∛(¡¼16y¡½^14 ) Am I supposed to add the exponents and multiply the little 3's?
asked by Sabrina 
biology
what are the seven major theories of biology sumerized
asked by susan marshall 
math
For each of the following, identify the wholenumber property being illustrated. (a) 2(3 + 4) = 2(4 + 3) (b) 5 + 7 = 7 + 5 (c) 1 • 14 = 14 = 14 • 1 (d) 5(9 + 3) = 5 • 9 + 5 • 3 (e) 2 + (3 + 2) = (2 + 3) + 2 (f) 5(3 • 4) = (5 • 3)4 are e, and f
asked by Anonymous 
Math word problem
The hypotenuse of a right triangle is 22 m long. The length of one leg is 10 m less than the other. Find the lengths of the legs. I have so far let one leg be x the other leg will be x10 x^2 +(x10)^2=22^2 x^2+x^220x+100=484
asked by Allie 
Math Uugghhh
Okay the problem says I have to multiply (2t)^2(3t^7)^2 SO what am I supposed to do, add the exponents then multiply 2t by 3t? Geez this is so confusing. If I square everything inside the first parentheses by 2 I get (4t^2) the second parentheses would
asked by Sabrina 
math
Let U={u,n,i,t,e} A={n,i,t} B={n,e} C={u,n,i,t,e} D={u,e} Find each of the following: (a)A(with upside down horseshoe)B (b)C U D (c)D (with line over the D) show solution
asked by Anonymous 
geometry
Find the area of a polygon with the following information: Apothem = 38 in Perimeter = 140 in
asked by Anonymous 
word problem
A 62 foot rope hangs from the top of a pole. When pulled taut to its fullest length the rope reaches a point on the ground 31 feet from the base of the pole. Find the height of the pole to the nearest tenth of a foot. Let p equal the height of the pole.
asked by Sammie 
economics
Two goods are complements when a decrease in the price of one good a. decreases the quantity demanded of the other good. b. increases the quantity demanded of the other good. c. increases the demand for the other good. d. decreases the demand for the other
asked by chris 
help
A car starts from rest and travels for 8.0 s with a uniform acceleration of +2.4 m/s2. The driver then applies the brakes, causing a uniform acceleration of 1.0 m/s2. If the brakes are applied for 1.0 s, determine each of the following.
asked by Anonymous 
economics
When policymakers set prices by legal decree, they a. improve the organization of economic activity. b. obscure the signals that normally guide the allocation of society’s resources. c. are usually following the advice of mainstream economists. d. are
asked by chris 
Math Reiny question
This is the problem you helped me with. I was curious, do I write the solution set as (1 + i3ã3)/2, (1i3ã3)/2 change it to the standard form first x^2  x + 7 = 0 a=1, b=1, c = 7 x = (1 } ã(1  4(1)(7))/2 = (1 } ã27)/2 Your answer is an
asked by Sabrina 
Math word problem
A page for a journal contains 70 square inches of type written words. The height of a page is twice the width. If the Margin around the type is to be 2 inches uniformly, what are the dimensions of a page?
asked by Johhny 
algebra
I keep getting different answers to this 1 question..hoping some1 can help me! 1/4 = 3  2x1/x+2... i get 3 different answers to this 1 question. please help!!
asked by Anonymous 
Plz Hel, word problem:)
I have tried hard to solve, but I'm stuck.... Let’s use our knowledge of quadrantic equations to analyze a real world business application. If P dollars is invested at r rate of interest compounded anually t years, then the amount of money, A,
asked by Jesee 
chemistry
How are sugars stored in onions and potatoes?
asked by lou 
algebra
Find the breakeven point for the firm whose cost function C and revenue function R are given. C(x) = 16x + 10,000; R(x) = 21x
asked by Anonymous 
math
1,130,000 in scientific notation
asked by joe 
calculus
Find the breakeven point for the firm whose cost function C and revenue function R are given. C(x) = 16x + 10,000; R(x) = 21x
asked by Anonymous 
/axia
a rectangular with a width of x centimeters has an area of centimeters. x^2 + 50x centimeters. Find the Binomial that resperents the length
asked by Dianne 
economics
What did the study described in “The Value of Human (?) Capital” train low ranking monkeys to do?
asked by chris 
physics
What average force is needed to accelerate a 6.00gram pellet from rest to 110 over a distance of 0.800 along the barrel of a rifle?
asked by megan 
geography
No question! Just a huge THANKS! For all the help! I know I'm on my own for Tests and since I am trying to maintain an A average I want to make sure I stay on the right track!!!! Homework counts as a big part of our overall grade. THANKS AGAIN!
asked by Reed 
English
is Polonius a good advisor to the king in Hamlet? please help me, its for a essay, your help is greatly appreciated. THank you!!
asked by Sabrina 
Physics
Someone places a box weighing 299.7 N on an inclined plane that makes a 43.5◦ angle with the horizontal. Compute the component of the gravita tional force acting down the inclined plane. Answer in units of N.
asked by The Owl 
math 12
Using f(x) = x(4x) write the equations of a) f(2x) b+ f([1/2]x)
asked by cel 
Math I have tried it and tried it
I have tried several times to find the vertex, line of symmetry, max/min value of the quadratic function. f(x)=2x+2x+8 I know I have to do completing the square to answer this but everytime i try to follow the steps I stumble hard! a(xh)^2+k x= b/2a
asked by Sabrina 
Math, I have partial answer..
Find the vertex for f(X)=x^2+8x+6 I came up with (4,22)but i'm not sure. If so, what is the line of symmetry?
asked by Allie 
Chemistry
This is a limit test for chlorides. 1.0g of NaOH sample was dissolved in 5ml of deionized water, acidified with 4ml of concentrated nitric acid (65%) and diluted to 15ml with deionized water. (Test tube A) 10ml of 50ppm Standard NaCl solution was prepared.
asked by candy