Questions Asked on
November 24, 2013

Science, Physics, math, calculus
Pool players often pride themselves on their ability to impart a large speed on a pool ball. In the sport of billiards, event organizers often remove one of the rails on a pool table to allow players to measure the speed of their break shots (the opening
asked by James 
Calculus
The area A of the region S that lies under the graph of the continuous function is the limit of the sum of the areas of approximating rectangles. A = lim n → ∞ [f(x1)Δx + f(x2)Δx + . . . + f(xn)Δx] Use this definition to find an expression for the
asked by christina 
physics
Forces of F1=975 N,F2= 745 N, f3= 1175 N and are applied at the same point. The angle between f1 and f2 is 60.0 degree and the angle between f2 and f3 is 30.0 degree. F2 is between f1 and f3 find the resultant force.
asked by carol 
physics
a 2.00 lb rock is dropped from a bridge to the water 50 below. a. what is the velocity as it hits the water? b. how long does it take to hit the water? c. What is its kinetic energy as it hits the H2o?
asked by carol 
Physics
A sphere of radius r starts from rest and rolls without slipping along a curved surface, dropping through a vertical distance of 0.500 m. Find the final speed v of the sphere’s center of mass.
asked by Clinton 
math
A ladybug crawls around the outside of a rectangle that measures 5.5 cm by 8.5 cm. The ladybug stays exactly 3.5 cm from the rectangle at all times to form a larger figure.
asked by josh 
ScienceMs.Sue
Suppose some natural disaster occurs and a species of finch is forced to relocate from its original island where it dined on cactus flowers to an adjacent island with many fewer cacti but an overabundance of orchids. What would be the immediate
asked by Anonymous 
Geometry
Three vertices of a kite are (1,8), (1,0), and (4,6). What is the fourth vertex?
asked by Samantha 
Calculus  Volume by Integration
Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the yaxis: y=(x2)^32, x=0, y=25 (a)solve by either the disk or washer method (b)solve by the shell method (c)state which method is easiest to
asked by Nicole 
biology
Before entering the Krebs cycle, an intermediate molecule bonds to a 2carbon molecule. This intermediate complex enters the Krebs cycle and combines with a 4carbon molecule to form citric acid. The name of this molecule is ____________________. A.
asked by hannah 
math
A school club consist of 30 male students and 13 female students. If 3 students are selected to represent the club in the student government, what is tge probability 2 will be male and 1 will be female? please help me
asked by Michaela 
Spanish
Can I get help with revisions: 1. ¿Le escribe Rolando un correo electrónico a Miguel? 2. ¿Nos trae el botones las maletas a la habitación? 3. ¿Les dan gafas de sol los vendedores a los turistas? 4 ¿Te compra botas en el invierno tu mamá? 5 ¿Les
asked by Tina 
Statistics
A sample of 11 observations taken from a normally distributed population produced the following data. −7.1 10.3 8.7 −3.6 −6.0 −7.5 5.2 3.7 9.8 −4.4 6.4 a) What is the point estimate of μ? b) Make a 95% confidence interval for μ. c) What is the
asked by  
Calculus Area between curves
Consider the area between the graphs x+6y=8 and x+8=y2. This area can be computed in two different ways using integrals First of all it can be computed as a sum of two integrals where a= , b=, c= and f(x)= g(x)= I found a, but not b or c. I can't seem to
asked by Kelly 
Chemistry
A reaction: A(aq) + B(aq) C(aq) has a standard freeenergy change of –4.65 kJ/mol at 25 °C. What are the concentrations of A, B, and C at equilibrium if, at the beginning of the reaction, their concentrations are 0.30 M, 0.40 M, and 0 M, respectively?
asked by Katherine 
geometry
A plane is is flying 225 mph heading S25°W. The wind is blowing S80°E at 60 mph. What is the bearing of the plane? What is the smallest angle of the triangle? What is the largest angle of the triangle? What is the remaining angle of the triangle? What is
asked by me 
Chemistry
Calculate the heat in kilojoules needed to condense 185g of steam at 100 ∘C.
asked by Alex 
Chemistry
Calculate the heat in kilojoules needed to condense 185g of steam at 100 ∘C.
asked by Alex 
physics
The masses of blocks A and B are 4.5 kg and 3.7 kg respectively. The blocks are initially at rest and are connected by a massless string passing over a massless, frictionless pulley. The system is released from rest. a. What is the acceleration of the
asked by Nickoli 
Physics
A pulley of mass mp , radius R , and moment of inertia about its center of mass Ic , is attached to the edge of a table. An inextensible string of negligible mass is wrapped around the pulley and attached on one end to block 1 that hangs over the edge of
asked by Chelsea 
english essay
can someone critique my essay, please? :) here's my instructions: Prompt 1: Considering what you have learned about Hemingway, his journalistic style, and how his experiences influence his writing, write a prediction for The Old Man and the Sea. Who is the
asked by orpheus 
History
Which of the following was Eisenhower's most significant legislative achievement? A. The Highway Act of 1956 B. The establishment of modern Republicanism C. The extension of Social Security benefits D. Increasing the minimum wage
asked by Tammy 
math
a pet store has 8 tanks. each tank has 9 fish in it. write an equation to find how many fish, f, the pet store has in all.
asked by Anonymous 
Geometry
How many diagonals does a prism have whose base is a regular polygon with 3 sides?
asked by Martha 
statistics
1. A professor measured the time (in seconds) required to catch a falling meter stick for 19 randomly selected students’ dominant and nondominant hand. The professor claims that the reaction time in an individual’s dominant hand is less than the
asked by arshi 
Solar Energy Please Help
Consider a PV module with the following parameters as measured at STC (Standard Testing Conditions): Voc = 55 V; Isc = 5 A; Impp = 4.7 A; Fill Factor = FF = 75% ; Efficiency = 19.75%. Suppose that under normal operation at STC conditions, the module is not
asked by UNO 
chemistry
Consider 15 mL of an aqueous solution containing 2.0 g of an organic solute. If the distribution coefficient for the solute between ether and water is 20, calculate the percent of the compound that can be recovered with a single extraction with 13.9 mL of
asked by samm 
Philosophy
The view that knowledge is impossible is: A. Rationalism B. Empiricism C. Skepticism D. Constructivism E. Cognitivism
asked by Jay 
5TH GRADE MATH
John placed 128 beads in equal rows to make an art project. His friend Mark used 125 beads to make a similar project. Is it possible for their projects to contain the same number of beads in a row? Please show and explain the answer.
asked by Stephon 
please help me!! physics
The masses of blocks A and B are 4.5 kg and 3.7 kg respectively. The blocks are initially at rest and are connected by a massless string passing over a massless, frictionless pulley. The system is released from rest. a. What is the acceleration of the
asked by Nickoli 
water treatment
A wastewater treatment plant based on activated sludge with biological phosphate and nitrogen removal via predenitrification. The influent flow (dwf) is 30,000 m3/day and the influent BOD concentration is 300 mg BOD/l. The suspended solid concentration in
asked by Anon 
Math
Evaluate the expression for the given value. x = 2; y = 3; z = 1 2x^2y  3xy^2z  xz =
asked by Alan 
physics
a 2.50 N rock is thrown down from a cliff at 10.0 m/s. a. what is the velocity after falling 25.0 m? b. velocity as it hits the water 125 m below? c. kinetic energy as it hits the H20?
asked by carol 
physics
find the tension in each cable. T1=68.0 degree T2= 25.0 degree weight= 27500 N
asked by carol 
physics
three forces, each of magnitude 1450 LB act in the same point. The angle between adjacent forces is 45.0 degree. Find the resultant force?
asked by carol 
Social Studies
How is natural vegetation affected by the types of soil
asked by Samanvita 
english
what are the circumstances that would force you to be like thoreau
asked by coleene 
Finance
You are considering the purchase of an outstanding Nickel Corp bond that was issued at par on Oct. 2, 2007 with a 10year maturity. It is now Oct 2, 2013. The bond has an 8% coupon rate and has semiannual coupons. The price is now $1,068.23. a) If you
asked by Cally 
algebra 1
A manufacturer is cutting plastic sheets to make rectangles that are 11.125 inches by 7.625 inches. Each rectangle’s length and width must be within 0.005 inches. A. Plot the acceptable range of lengths on the number line that follows: B. Write an
asked by mark 
Statistics
Many dairy cows now receive injections of BST, a hormone intended to spur greater milk production. A group of 53 Jersey cows increased average milk production from 43 to 52 pounds per day, with a standard deviation of 4.8 lbs. Is this evidence that the
asked by Katie 
algebra
Wat is 3ab When a is 15 and b is ~1.5
asked by jen 
cv
possible values of n for 7n−(9n+1)>5
asked by algebra 
Science
What muscles do we have more of skeletal muscles, smooth muscles, cardiac muscle or involuntary muscle?
asked by Nikki 
MATH
Find the slope and the y intercept of the following linear equation: x + 4y = 4
asked by Matt 
MATH
Find the slope of the line through the points (4,4) and (0,4).
asked by Matt 
MATH
For all integers a, b, c, and d, which of the following is a factored from of ab + ac + db + dc a) (a + d)(b + c) b) (ad + db) + (ac + dc) c) (a + c)(d + b) d) (ab)(cd) e) (a + b)(c + d)
asked by Matt 
math
If inflation had been 3% each year from 2002 to 2012, what would be the CPI have been in 2012?
asked by stacy lee 
ALGEBRA
FIND: 3^1 + 3^0 + 3^1 + 3^2=
asked by Matt 
Physics
A man lifts a luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him on the luggage.
asked by Ashwin 
Math
A flat screen television is sized depending on the length of the diagonal (ex: a 40 inch flat screen has a 40 inch diagonal ). If a 32 inch television has a width that is 5 inches longer than its length. Determine the dimensions of the television (using
asked by Tara 
Socials
Down and Out in Victorian London from Oliver Twist by Charles Dickens questions I don't understand. 1. What is a parish? (not in religious content) 2. How did social values affect the treatment of the poor? 3. What were "workhouses" and how did they
asked by Bethany 
Finance
Buy a stock for $35 a share, hold it for 3 years, and then sell it for $75 a share (the stock pays annual dividends of $2 a share).
asked by Kim 
Math
A store has rows of Tshirts, with 8 shirts in each row. How many Tshirts are there in all? Answer,, 3*8=24 2/ there are 3groups of hikers in the Rain Forest Hiking Club. There are 7hikers in each group. Draw arrows on the number line below to skip count
asked by Joji 
Physics
A man lifts a luggage of 20 kg from the ground and puts it on his head 2 m above the ground. Calculate the work done by him on the luggage.
asked by Ashwin 
Math
Fay bakes 32 cupcakes. She puts them in a box that has 5rows , with 5cupcakes in each row . How many cupcakes do not fit in the box? The answer: 5*5=25
asked by Nawaf 
mental health counseling
Authentic and performance assessments strive for greater realism and complexity of tasks under the premise that reallife problems can often be solved ______________.
asked by june 
compound interest
If you put away $1000 when you are 21, and you earn 10% per year every year, what will that $1000 have grown to by the time you are 77?
asked by Anonymous 
compound interest
When you were 14 your uncle decides to put $2000 in an account for you that pays 10% per year. How much money will you have at the age of 77 years old?
asked by Anonymous 
Physics
A 5 kg block is hanging from the top of an elevator if the elevator is accelerating upward at a rate of 3m/s/s, what is the tension in the rope that the block is hanging from?
asked by Karen 
algebra
Please Help, The last question has to be done by midnight. A chevy Bel Air, a classic car today, cost $2,400.0 new in mid1963. How much would that be in 2012 dollar.
asked by Tracy 
Physics
TURNTABLE SOLUTIONS A gyroscope consists of a uniform disc of mass radius M= 1 kg and radius R= 0.3 m . The disc spins with an angular speed ω= 400 rad⋅s1 as shown in the figure below. The gyroscope precesses, with its axle at an angle 30∘ below the
asked by Anon 
Physics
TORQUE, ROTATION AND TRANSLATION A YoYo of mass m has an axle of radius b and a spool of radius R . Its moment of inertia about the center can be taken to be I=(1/2)mR2 and the thickness of the string can be neglected. The YoYo is released from rest. You
asked by Anon 
Precalculus
Exact value cosπ/12
asked by Anonymous 
Math
HELP: Does THIS LOOK OK SO FAR? NEED HELP WITH THE REST, PLEASE! A 1963 Chevy Bel Air, a classic car today, cost $2400 new in mid1963. How much would that be in 2012 dollars? Cost 2012 = CPI in 2012 Cost 1963 = CPI in 1963 Cost in 2012 = 232.0 $2,400 30.6
asked by Tracy 
Accounting
How can price inflation effect a university negatively in the future? Like, what are a few things in the university that will be impacted?
asked by Anonymous 
Physics
A weather vane initially at rest has a moment of inertiaof 0.100 kgm2about its axis of rotation. A 50.0 g pieceof clay is thrown at the vane and sticks to it at a point20.0 cm from the axis. The initial velocity of the clay is 15.0 m/s, directed
asked by Clinton 
biology
Oxygen becomes part of cellular respiration _________________. A. at the end of glycolysis B. at the end of the electron transport chain C. at the end of fermentation D. at the end of the Krebs cycle
asked by hannah 
math
Determine the area of the region bounded by the given function, the xaxis, and the given vertical lines. The region lies above the xaxis. f(x)=4x√ , x=1 and x=4
asked by lol24 
science
How did Lamarck and Darwin differ in their thinking about species? A. Darwin thought that organisms could induce their own changes, while Lamarck thought that change could only be induced by an organism's environment. B. Darwin thought that change could
asked by Anonymous 
algebra
Can anyone explain the formula y=mx+b ? I know that y is the output and x is the input, but I'm not sure how it works.. Explain? With an example?
asked by BrainyBird 
chem
The min. energy needed to break a CBr bond is 288000mol^1. If one has access to laser with 3 output wavelengths 266,1065,800nm, which wavelength(s) can be used to break that bond? I keep getting 417nm for the wavelength (which is none of the outputs) but
asked by Lenny 
reading (Ms. Sue or Writeacher)
Those members will create a "page" in a characterization book entitled "Two Kinds." Each page will present a character, character terms specific to this character, a graphic image and text suppot that "proves" each character term that has been assigned.
asked by anonymous 
world history
how did the fighting at lexington and concord affect the relationship between the colonies and great britain?
asked by tyrone 
Grammar
1.Select the correct sentence: a.She is younger than him and me. b.She is younger than he and me. c.She is younger than him and I. d.She is younger than he and I. 2. Select the correct sentence: a. They, theirselves, had a happy holiday celebration. b.
asked by Susan 
Socials
What were the poor laws? What was their purpose and what did they set out to do? my answer for the first part:  The poor laws was a law regulating the public relief or support of the poor. Its purpose was...?
asked by Bethany 
Statistics
142 out of 507 people were right. Calculate a 95% confidence interval for the proportion of the entire population that could be right. I did some of the work and got .72...don't know what to do with this? Please help.
asked by Jon 
grammar
Select the correct sentence: a. We will retreat the patient after we recreate his chart. b. We will retreat the patient after we recreate his chart. c. We will retreat the patient after we recreate his chart. d. We will retreat the patient after we
asked by Susan 
TrigGeometry  Law of sines and cosines
Hello everyone, I've been struggling on this problem for quite some time. It would be appreciated if you could help. Thanks. (The website is the diagram, it is a screenshot) In the diagram below, triangle ABC has been reflected over its median AM to
asked by Sam 
MathAlgebra
1. The surface area of a cube varies directly as the square of its edge. Find its surface are. 2. A certain object traveling at 24 meters per second has a kinetic energy of 72 joules. If the kinetic energy of that object varies directly as the square of
asked by Mckenna Louise 
college problem solving
a certain twodigit number is 6 less than the sum of its tens digit and 7 times its units digit. if the digits are reversed the number is increase by 27. fin the original twodigit numbers
asked by luckybee 
MathAlgebra
1. The length of a rectangle with a constant area varies inversely as its width. The length of this rectangle is 8in when its width is 3in. Find the length when the width is 4in. 2. The number of people working on a certain job varies inversely as the
asked by Mckenna Louise 
MathAlgebra
1. Finf the width of a rectangle whose area is 36 sq in. And length is 9in. 2. The attraction F of any two masses m1 and m2 foe each other varies directly as the oroduct of the masses and inversely as the square of the distance d between these teo masses.
asked by Mckenna Louise 
college problem solving 2
Me and Bill said casey can do the job for you in 10 days but give me alex instead of bill and we can get it done in 9 days. i can do better tha that said slex. let me take bill as a partner and we will do the job for you in 8 days. how long will it take
asked by luckybee 
Calculus 1
Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about the specified axis. y=8x^2, y= x^2 ; about x=2 V=?
asked by Brianna 
college problem solving 3
an express train leaves new york at 3:00 pm and rreaches boston at 6:00 pm a slow train leaves boston at 1:30pm and arrives in new york at 6:00 pm. if both trains travel at constant speeds at what time do they meet
asked by luckybee 
Science, Physics, math, calculus
A toy rocket is fired at v0 = 41.2 m/s at an angle of è = 73.8 degrees with respect to the horizontal on flat level ground. Assuming that air resistance is negligible, what is its maximum height (H) and how far (R) will the rocket have traveled in the
asked by James 
Math
consider the equations:f(x)=6x1 and g(x)=4x^2 Select the solution for (f+g)(x) A) 6x1+4x^2 B) 24x^3  4X^2 C) 24x^2  1 D) 6X 1  24X^2 I think the answer is A. Please help
asked by Maria 
cultural dances
I finally have to do that project on cultural dances, but the one I picked isn't the one I want to do. Is the cowboy boogie a cultural dance? Please. I only have a day now and I didn't think of it till now.
asked by Izzy 
maths
What are the binary representations of the following decimal numbers? 17,29,38
asked by Alang 
Science, Physics, math, calculus
You would like to shoot an orange out of a tree with your bow and arrow. The orange is hanging 5.00 m above the ground. You fire the arrow at 35.0 m/s oriented 30.0° above the horizontal from a height of 1.30 m while standing 47.0 m away on your first
asked by James 
math
Select the xcoordinate of the vertex of the parabola defined by the function f(x) = 7x2 + 5x + 9. 7/5 9 5/14 5/7
asked by Maria 
maths
Rama kant has a gold coin of 150gms.He distributed 1/6,3/5 and 1/5 of the coin to his three daughters.Now how much gold is left with Rama Kant?
asked by Lanyam konyak 
prealgebra
write a number sentence for the model. let one white tile equal +1 and one black tile equal 1
asked by ashay 
Journalism
I haven't started working on my article yet, but it'll be explaining Christmas music  mostly the history of Christmas carols. However, I found some pretty interesting facts on the origins of some popular carols and how they aren't in any way related to
asked by Me 
Math
Determine the equation of g(x) that results from translating the function f(x) = x2 + 3 upward 14 units. g(x) = (x + 17)2 g(x) = (x + 14)2 + 3 g(x) = x2  11 g(x) = x2 + 17
asked by Jeff 
Language Arts
describe a soggy, wet day. use sensory details.
asked by anon 
Math
Determine the equation of g(x) that results from translating the function f(x) = (x + 6)2 to the right 12 units. g(x) = (x  6)2 g(x) = (x + 18)2 g(x) = (x + 6)2  12 g(x) = (x + 6)2 + 12
asked by Rohan 
Calculus 1
Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about the specified axis. y=8x^2, y= x^2 ; about x=2 V=?
asked by Brianna 
Math
This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS). How do I graph it?
asked by jenny 
Statistics
142 out of 507 people were right. Calculate a 95% confidence interval for the proportion of the entire population that could be right. I did some of the work …Please help. I am getting .0199 SD =sqt(.28(1.28)/506 = .0119 so .28 +/ .0119 so I could say
asked by Jon 
Mathematics
calculate the CPI for this year and for 5 years from now. Project the price 5 years from now of an item that you commonly buy. **Dunkin Donuts Coffee**** $2.04 Please help, I know I am missing something. Thanks
asked by tracy 
math fractions
A rectangular table 6/7 of a meter long by 2/5 of a meter wide
asked by damesha 
Language Arts
Have you ever wanted to know what people said and thought about you when you weren't around? If you could disguise yourself in some way and be around the people you know, how would you carry it out? Describe your ideal disguise and a scenario that you
asked by anon 
math fractions
A rectangular table 6/7 of a meter long by 2/5 of a meter wide
asked by damesha 
Physics
An Xray binary consists of 2 stars with masses m1 (the accreting compact object) and m2 (the donor). The orbits are circular with radii r1 and r2 centered on the center of mass. (a) Find the orbital period T of the binary following the guidelines given in
asked by jennifer 
Science Ms.Sue
The fossil record contains many intermediate forms of at least one evolutionary line of animals. Beginning with a set of ancient fossils of extinct animals that had three toes, the fossil record continues with intermediate forms containing two toes, and
asked by Anonymous 
Social Studies
European possessions in the New World as of 1800. British, Spanish, French, Portuguese, Dutch. Can someone find me a map
asked by Jynessa 
statistics
Typing speeds among college students are normally distributed with a mean of 60 words, and a standard deviation of 10 words. determine the typing speed that separates the top 6% typists from the rest.
asked by Jon 
Math
Need help solving this! Use the following information to find y: m=3 (5,2) and (6,y)
asked by Anonymous 
Math
Need help solving!! write an equation in slope intercept form with a yintercept of 3 and is perpendicular to the given line
asked by Anonymous 
Math
Please help me solve this!! I'm really struggling with this topic Write an equation in slope intercept form with a yintercept of 1 and is parallel to the given line
asked by Hannah 
Math
Please help me solve this!! I'm really struggling with this topic Write an equation in slope intercept form that is parallel to the following two points: (1,4) and(1,5)
asked by Hannah 
Trigonometry
Prove the following trigonometric identities. please give a detailed answer because I don't understand this at all. a. sin(x)tan(x)=cos(x)/cot^2 (x) b. (1+tanx)^2=sec^2 (x)+2tan(x) c. 1/sin(x) + 1/cos(x) = (cosx+sinx)(secx)(cscx) d. tan^2 (x)(1+1/tan^2 x)
asked by Jessy 
Trigonometry
Given the equation 2cos^2x+sinx1=0 1. Explain why this equation cannot be factored. 2. Use a trigonometric identity to change the equation into one that can be factored.
asked by Jessy 
PreCalc (Prove the identity)
Prove the identity. (show steps please!) Thank you! tan^2(x/2+π/4)=(1 + sin x)/(1 − sin x)
asked by Anonymous 
English
1. Eggs are most helpful for people who have nerve damage. (In this sentence, does 'most' mean 'very'?) 2. Eggs are the most helpful for people who have nerve damage. (What about this one? Are both different in meaning?)
asked by rfvv 
ScienceMs.Sue
Very few fossils of jellyfish or their close relatives have been found. This makes it hard to trace the evolutionary history of jellyfish using the fossil record. What explains this? A. Jellyfish fossils are buried deep under the ocean floor, not in land
asked by Anonymous 
English
1. If he goes there, he will be arrested. 2. Does he go there, he will be arrested. (is #2 grammatical?) 3. If he were to go there, he would be arrested. 4. Were he to go there, he would be arrested. (is #4 grammatical?)
asked by rfvv 
ScienceMs.Sue
Which of the following correctly states the relationship between monkeys and humans? A. Humans and monkeys evolved from apes. B. Humans evolved from monkeys. C. Humans and monkeys evolved from the same ancestor, which is now extinct. D. Humans evolved from
asked by Anonymous 
finite math
a cellular phone manufacturer randomly selects 5 phones from every batch of 50 produced. if at least one of the phones is found to be defective, then each phone in the batch is tested individually. find the probability that the entire batch will need
asked by Sim 
ms. sue
can you help me out on my assignment
asked by anonymous 
Science
I need to make a good slogan for a company that sells the mineral dolomite, using 1 of the mineral's uses. The uses are: 1) Dolomite is used as a source of magnesia (MgO) 2) It is used for acid neutralization in the chemical industry, in stream restoration
asked by Victoria 
Trig/Precalc
a lamp post that is 8 feet high casts a shadow 5 feet long. how tall is the person standing beside the lamp post if his shadow is 3.5 feet long
asked by Marusa 
math
Vanessa typically works 8 hours per day in a normal 5 day work week. Last week, however, Vanessa had to take 90 minutes off on Tuesday, 45 minutes off on Thursday, and she left two and a half hours early on Friday. How many hours did Vanessa work last
asked by p 
math
60 percent of the students in a marching band are girls. There are 30 girls in the marching band. How many students are there altogether?
asked by Rylee 
math
If x=(2/y^2)+2,what is the value of y in terms of x ? please answer and explain
asked by Tomas 
Statistics
Given the following information, determine the 68.3 percent, 95.5 percent, and 99.7 percent confidence intervals. overbar above X equals 4.33 comma SE sub m equals 3 I would appreciate it extremely if someone would help me figure this out. I honestly have
asked by Anonymous 11/24/13 
math
Considering the scenario from the previous question, if partial payment was sent by the discount date, what is the balance still due on the order? (Points : 2.5)
asked by Anonymous 
Chemistry
When weighing liquid ethanol, why do you have to place water in the beaker prior to adding the ethanol to that same beaker?
asked by Chem 
Chemistry
What factors do you need to consider if you wish to use the volumetric method for preparation of stock ethanol solutions?
asked by Stock Solutions 
math
5 CUPS EQUAL HOW MANY PINTS (x1pt/2c) I thought 10?
asked by Libby 
Science
Luther Burbank was a plant breeder who developed a strain of potato plant that produced more tubers of larger size than other potato plants that were grown on farms at the time. This strain of potato was also resistant to the potato blight that had wiped
asked by Anonymous 
magnets
A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +xdirection (in vacuum) across a 1 mm gap, passes through a small hole in a +0 V electrode that is parallel to the first one, and enters a region
asked by Ed some one please help 
current and magnetism
A current loop with radius 20 cm and current 2 A is in a uniform magnetic field of 0.5 T. Considering all possible orientations of the loop relative to the field, what is the largest potential energy difference (in Joules) you can find between two
asked by James 
College Algebra
solve the polynomial inequality and graph on number line. express in set interval rotation. Show work x^3  3x^2  9x + 27 < 0
asked by Jenn 
math
There is a winter storm and the snow is falling at a rate of 4 inches/hour. Write 3 equivalent ratios associated with the following rate 4/inches/hour. How many inches will fall between 8pm and 12pm? I haven't a clue
asked by Libby 
statistics
For the past 20 years, the high temperature on April 15th has averaged = 62 degrees with a standard deviation of = 12. Last year, the high temperature was 68 degrees. Based on this information, which of the following best describes last year's
asked by Anonymous 
Physics
A man has a mass of 65kg on the Earth's surface. How far above the surface of the Earth would he have to go to "lose" 13% of his body weight?
asked by Anonymous 
physics
want to bring a weight of 1 kg suspended at a height of 5 feet, slowly down so that it takes 1 min to reach down.how do i make this working
asked by susan 
statistics
what makes a probability plot nonnormal? I would think outliers are one of them, but what else?
asked by star101 
statistics
how would you tell deviations from normality by looking at a box plot?
asked by star101 
science
A 1520 kg car rounds a 164m radius curved at a constant speed of 22.0 m/s. What is the centripetal acceleration of the car? What is the centripetal force acting on the car?
asked by Tel 
PHYSICS
Consider the circuit in Figure P32.17, taking script e = 6 V, L = 5.00 mH, and R = 7.00 . Figure P32.17 (a) What is the inductive time constant of the circuit? ms (b) Calculate the current in the circuit 250 µs after the switch is closed. A (c) What is
asked by Begging for help 
statistics
how would you tell deviations from normality by looking at a box plot?
asked by star101 
Algebra 2
solve this equation x+2y+2z=6, 2x+4y+6z=3, x+3y+z=6
asked by Sky 
math
what would be an example of a parameter? i'm confused. i'm given this problem: How much time do undergraduate students at GMU spend each day reading and sending email? A survey was conducted by a graduate student asking students in the Johnson Center the
asked by bob 
water treatment
Which is correct for this trickling filter? a)Due to the low BOD loading rate the biomass growth will be too little. Methanol needs to be dosed to keep the biomass alive. b)Due to the high BOD loading rate the filter might clog. This can be prevented by
asked by Anon 
Physics
A supply plane needs to drop a package of food to scientists working on a glacier in Greenland. The plane flies 50.0m above the glacier at a speed of 100m/s . How far short of the target should it drop the package?
asked by Alez 
Science
Study the image of the fossil shown below. How might a scientist use this fossil to learn more about the history of life on Earth? connexus dot com/content/media/917517416201372829PM1012149111.jpg to compare structures in the fossil with homologous
asked by Anonymous 
water treatment
A wastewater treatment plant based on activated sludge with biological phosphate and nitrogen removal via predenitrification. The influent flow (dwf) is 30,000 m3/day and the influent BOD concentration is 300 mg BOD/l. The suspended solid concentration in
asked by Anon