Questions Asked on
November 12, 2012

Human Anatomy
What does a neutrophil do? What causes allergies? What is an autoimmune disorder? Thanks in advance btw I have no idea to any of them hence why i'm asking. ♥dino♥
asked by rawr... im a dinosaur.... rawr 
chemistry
if the heat of combustion of glucose is 2808 kJ/mol, how many grams of glucose are required to supply 1650 kJ of heat?
asked by Anonymous 
Match
John's Collection: 10 coins in all 2 fewer quarters than dimes 2 quarters Q = D = N =
asked by Lena 
Math
John's Collection: 10 coins in all 2 fewer quarters than dimes 2 quarters Q = D = N =
asked by Lena 
govt
Why not simply make voting compulsory or tie voting to the receipt of government benefits?
asked by Anonymous 
physics
A tray is moved horizontally back and forth in simple harmonic motion at a frequency of f = 1.68 Hz. On this tray is an empty cup. Obtain the coefficient of static friction between the tray and the cup, given that the cup begins slipping when the amplitude
asked by stressedstudent 
com sci
A rational number is the form of a/b, where a and b are integers with b != 0. Develop and test a class for processing rational numbers. The class should have a numerator data member and a denominator data member. It should read an display all rational
asked by Dan 
Public financial Management
Your special project budget was for 1,000 hours of parttime nurses’ services at $40 per hour, for a total cost of $40,000.
asked by yito 
Financial Management
You are the nursing administrator for a medical group that expects a severe outbreak of the flu this winter. You hire additional staff to treat the patients and administer shots. Your special project budget was for 1,000 hours of parttime nurses’
asked by yito 
trigonometry
We begin by setting t=sin 18 degrees we weill think of t an an "unknown" angle and solve to get the exact value. Use a double angle formula to show that cos 36 degrees=12t^2
asked by Anonymous 
physics
The maximum applied force of compression that one man’s thighbone can endure without breaking is 7.6 x104 N. The minimum effective crosssectional area of the bone is 3 x104 m2, its length is 0.54 m, and Young’s modulus is Y=9.4x109 N/m2. The mass of
asked by stressedstudent 
Calculus I
*Optimization problem* [I don't know how to get to the answer] Problem: You have a cylindrical can with radius 4cm and height 10cm. Inside is a marble with a radius that has to be larger than 0 but less than 4 cm (even the largest marble will fit
asked by Ken 
Physics
A string that passes over a pulley has a 0.373 kg mass attached to one end and a 0.620 kg mass attached to the other end. The pulley, which is a disk of radius 9.50 cm, has friction in its axle. What is the magnitude of the frictional torque that must be
asked by Samantha 
biology
Communication between cells,tissues and organs.What Blood component?And mode action? Can someone help me please?
asked by marie 
Financial Management
Company Information Wheel Industries is considering a threeyear expansion project, Project A. The project requires an initial investment of $1.5 million. The project will use the straightline depreciation method. The project has no salvage value. It is
asked by Anonymous 
Financial Management
The finance department of a large corporation has evaluated a possible capital project using the NPV method, the Payback Method, and the IRR method. The analysts are puzzled, since the NPV indicated rejection, but the IRR and Payback methods both indicated
asked by Anonymous 
math
f(x)=x^44x^3+10 Find the inflection point(s), if there are any.
asked by Britney 
Math
A card is drawn from an ordinary pack of playing cards and a person bets that it is a spade or a king.What are odds against his winning this bet?
asked by Glare 
Maths
Mrs Lim is m years old. She gave birth to her son when she was 20 years old. What will their total age be in 12 years' time?
asked by Jae 
physics
One of the new events in the 2002 Winter Olympics was the sport of skeleton (see photo). Starting at the top of a steep, icy track, a rider jumps onto a sled (known as a skeleton) and proceedsbelly down and head firstto slide down the track. The track
asked by Donald 
physics
In attempting to pass the puck to a teammate, a hockey player gives it an initial speed of 1.1 m/s. However, this speed is inadequate to compensate for the kinetic friction between the puck and the ice. As a result, the puck travels only onehalf the
asked by Donald 
Biology
hi! so I have to make an experiment on heat loss & insulation and so, I did an experiment on which material insulates best against the wind of a fanstyrofoam, plastic or aluminum can. each has hot water in it but the styrofoam took the longest for the
asked by Cara 
physics
A baseball (m = 135 g) approaches a bat horizontally at a speed of 40.4 m/s (90 mi/h) and is hit straight back at a speed of 45.7 m/s (102 mi/h). If the ball is in contact with the bat for a time of 1.00 ms, what is the average force exerted on the ball by
asked by Anonymous 
Biology
Can you give me an order from 1 to 3 for the following materials, 1 being the best insulator and 3 being the poorest? styrofoam, plastic, aluminum
asked by Cara 
physics
A hockey goalie is standing on ice. Another player fires a puck (m = 0.22 kg) at the goalie with a velocity of +63 m/s (a) If the goalie catches the puck with his glove in a time of 7.0 103 s, what is the average force (magnitude and direction) exerted on
asked by D 
Physics
A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. The incident water stream has a velocity of +18.0 m/s, while the exiting water stream has a velocity of 18.0 m/s. The mass of water per second that strikes the
asked by Anonymous 
Physics
A student (m = 63 kg) falls freely from rest and strikes the ground. During the collision with the ground, he comes to rest in a time of 0.0120 s. The average force exerted on him by the ground is +17000. N, where the upward direction is taken to be the
asked by Don 
Physics
A massspring system has b/m = ω0/2, where b is the damping constant and ω0 the natural frequency. How does its amplitude A when driven at a frequency 12% above ω0 compare with its amplitude at resonance Ares at ω0?
asked by Zach 
Algebra
How does finding the square root of a number compare to finding the cube root of a number? Use the number 64 in your explanation.
asked by Cindy 
alegebra and graphing
lynn needs a truck to move some evidence out of her back yard before investigators arrive. She finds the cost C, of renting a truck is $25 per day plus $1 per mile, m. Write an equation for the cost in terms of miles driven.
asked by Anonymous 
math
how to find the greatest possible number that can be rounded off
asked by Anonymous 
TRIG
Find one numerical value for cot x/cos x = 5
asked by TRIG HELP 
TRIG
Verify cos x/1+sinx + 1+ sinx/cosx = 2sec
asked by TRIG HELP 
TRIG
(cotx + cscx(1cosx)= SIN x
asked by TRIG HELP 
TRIG
Sinxtanx = sec x
asked by TRIG HELP 
trig
cot^2/1 + cot^2 = cos^2
asked by TRIG HELP 
algebra
A wire runs from the top of a flagpole to a point on the ground that is 9 yards from the base of the pole. The wire is 15 yards long. How many yards tall is the flagpole? (Please type ONLY the numerical answer, no extra spaces or words. Do NOT include any
asked by Anonymous 
math
1.John deposited $40,000.oo in the bank and earned simple interest of 7% per annum for 2 years. calculate the amount he will receive at the end of the 2 year period. 2. Find the simple interest on $15,000.00 invested for 4 years at 12% per annum.
asked by Lindsay 
math
Q) (Speed) Ahmed drives from Abu Dhabi to Dubai. The journey takes him 1 hour 30min and the distance covered is 130km. What is the average speed at which he was travelling (rounded to the nearest 1km/hr)?
asked by john 
math
how to use hundreds chart to answer this;(1)what % of the numbers are multiples of 3 (2)what % of the numbers are multiples of both 2 and 3 (3) what% of the numbers are factors of 100 (4)what % of the numbers are prime numbers? i really have no idea how to
asked by wan 
business
Final Global Business Plan Paper and Presentation for paraguau
asked by rick 
chemistry
describe the troubles of boilers when impure water is used
asked by Anonymous 
Statistics
Suppose a study finds that the correlation coefficient relating family income and SAT scores is r = +0.98. Which of the following are proper conclusions? I. Poverty causes low SAT scores II. Wealth causes high SAT scores III. There is a very strong
asked by John 
Statistics
Which of the following statements about the correlation coefficient r are true? I. It is not affected by changes in the measurement units of the variables. II. It is not affected by which variable is called x and which is called y. III. It is not affected
asked by John 
Algebra
A dog trainer has 64 ft of fencing that will be used to create a rectangular work area for dogs. If the trainer wants to enclose an area of 192 ft2, what will be the dimensions of the work area?
asked by Kara 
Statistics
Which, if any, of the values listed below for a correlation coefficient indicate a situation where more than half of the variation in one variable is associated with variation in the other variable? .7 1 .3 .6 .9 I was thinking B
asked by Mike 
algebra
what is the relative maximum and minimum of the function. f(x)=x^3+6x^236
asked by lee 
algebra
miquel is designing shiooing boxes that are rectangular prisms the shape of one box with height h in feet has a volume defined by the function v(h)=h(h5)(h6) graph the function what is the maximum volume for the domian 0
asked by lee 
algebra
write a polynomial in factored form x^33x^210x
asked by jay 
algebra
use the remainder theorem to find the remainder when P(x)=x^49x^35x^23x+4 is divided by x+3
asked by jay 
algebra
suppose the polynomial function below represents the power generated by a wind turbine where x represents the wind speed in meters per second and y represents the kilowatts generated interpret f(10)
asked by lee 
algebra
suppose the polynomial function below represents the power generated by a wind turbine where x represents the wind speed in meters per second and y represents the kilowatts generated interpret f(10) f(x)=0.08x^3+x^2+x+0.26
asked by lee 
statistics
mean=20, standard deviation =6.Use the emperical rule to estimate the probabilty that a randomly chosen patient had to wait more than 26 min. Of 2000 patients, estimate the # of patient having to wait more than 26 mins
asked by Anonymous 
surface area & volume
How can I find the surface area and volume of a hexagonal prism if I don't know the height, only apothem and one side of the base? Thank you!
asked by Ashley 
Precalculus
what is the arccos(2)? I have tried to use the unit circle but I do not understand this :/.
asked by George 
time and stress management
To limit your telephone time at work,you can? A)ignore the messagespeople with important messages will call back B)have a coworker answer the phone C)limit the coversation to workrelated issues D)unplug the phone my answer is c can someone please help
asked by susue 
business calculus
X=D(p)=400p
asked by Michelle 
math
a small business loan in the amount of 50,000 with an interest rate of 9% that compounds monthly for 7 years what would my monthly payment be
asked by melissa 
Precalculus
rewrite the following expression as an algebraic expression in x: cos(arcsin x) I have made X to be X/1 but from there I am lost.
asked by George 
business calculus
X=D(p)=400p
asked by Michelle 
math
8x/y2*4y/7x
asked by jennifer 
Math
Mary was given an equation: 6x+22=30. She subtracted 22 from 22 and got 6x=30. What was the mistake mary made?
asked by Nana 
Chemistry
N2(g)+3H2(g) > 2NH3(g)+ 22000 cal Consider the reaction is at equilibrium. Explain how the equilibrium is shifted when a. more N is added b. more H is added c. ammonia is removed
asked by Liz 
Physics
Three uniform thin rods, each of length L = 16 cm, form an inverted U. The vertical rods each have mass of 14 g; the horizontal rod has mass of 50 g. Where is the center of mass of the assembly (x, y)?
asked by emma 
chemistry
how many atoms of each element are present in five formula units of calcium permanganate?
asked by rachel 
english
in this paragragh at what time the action taking place?
asked by Anonymous 
science
why are some foods spicyer than others?
asked by kira 
Chemistry
What is the name of the structure and the formal charges? All unshared valence electrons are shown. :O::  H3CNCH3  CH3
asked by Anonymous 
physics
Suppose the traffic light is hung so that the tensions T1 and T2 are both equal to 80 N. Find the new angles they make with respect to the xaxis. (By symmetry, these angles will be the same.)
asked by Keyana 
science
3. Which is a model of feeding relationships? (1 point) protein building food map food web sugar molecules
asked by aliyah 
principles of health and wellness
I am trying to figure out what role the immune system plays in preventing breast cancer, is there anyone who can help me?
asked by Katelynn 
College Algebra
How do you solve 3 log(base 2)*(x1)+ log(base 2)4=5
asked by Hope 
chemistry
To what final volume should you dilute 60.0 of a 5.20M KI solution so that 40.0 of the diluted solution contains 3.15 of KI ?
asked by Anonymous 
algebra, HELP!
9. The sides of a rectangle are increased by a scale factor of 4. The perimeter of the smaller rectangle is 20 cm. What is the perimeter of the larger rectangle? (1 point) 320 cm 80 cm 120 cm 60 cm 10. A right triangle has an area of 13 m2. The dimensions
asked by Lilly 
elementary
Hi, please help me .i don't have how to prepare that science project.how to make dolphins.how to prepare that project.can u please suggest me.
asked by Latha 
algebra
Johnny has $147 dollars in ten, five and one dollar bills. He has 38 bills. He has twice as many fives as tens. He has three more ones than fives. How many of each bill does he have?
asked by Elise 
math
n (level 0) = 1 n (level 1) = 4 n (level 2) = 13 n (level 3) = 27 what is the n level ? it means n of any level .. I need an equation, pls ?
asked by mema 
Precalculus
On a chicken farm, the poultry is given a healthy diet to gain weight. The chickens have to consure a minimum of 15 units of substance A and another 15 units of substance B. In the market there are only two classes of compounds: Type 1, with a compoistion
asked by Chanaye 
Chemistry
Describe what is happening in regards to the heat energy, temperature, molecular potential energy, and molecular kinetic energy when water is boiling.
asked by Heather 
Computers
What are Two examples of Internet Vandalism
asked by Destiny 
Physics HW Help, Please
A 76.3kN car is travelling at 66.5 mph when the driver decides to exit the freeway by going up a ramp. After coasting 418 m along the exit ramp the car\'s speed is 27.3 mph, and it is h = 10.7 m above the freeway. What is the magnitude of the average drag
asked by Michael 
Physics HW Help, Please
seasoned mini golfer is trying to make par on a tricky hole #5. The golfer can complete the hole by hitting the ball from the flat section it lays on, up a 45° ramp launching the ball into the hole which is d = 1.60 m away from the end of the ramp. If the
asked by Michael 
math
the area of triangle wxz in the diagram below is 48 cm2. what is the perieter in centieters of triangle wxz
asked by jerome 
PreCalculus
How do you make one side equal to the other side? (secx/secxtanx)=sec^2x+secxtanx
asked by Anonymous 
Real Estate Finance
A piece of land containing 30 acres sells for $5,000. At the same rate, what would 22 acres sell for?
asked by Tavia 
Algebra1
If 1
asked by Anonymous 
Physics
A chain rests on a table, and is released. 1/4th sits on the table, while the remaining 4/5ths of the length hangs before it is released. Calculate the time it takes to leave the table.
asked by Maribel 
Physics
Find the movement of a particle that moves along a straight due to the force !@#$%^&*m*v(^2)
asked by Maribel 
math
Antoine estimates he can read one and a quarter chapter of a novel in one hour. Jenna estimates she can read three chapters of the same novel in 2 5/6 hours. Antoine read for 8 hours. Jenna read for 6 hours. Who read more chapters? Show work. Please
asked by Cherie 
algebra
can you please explain how you may have gotten the answer thanks:) The coordinates of quadrilateral VWXY are given below. Find the coordinates of its image after a dilation with the given scale factor. V(6, 2), W(–2, 4), X(–3, –2), Y(3, –5), scale
asked by Lilly 
business math
Karl Dieter earns $24,862 per year. He is paid 24 times per year and claims 5 exemptions. If $39.99 is withheld from each paycheck, at what rate is he taxed?
asked by dillien 
Real Estate Finance
The mortgage company requires a down payment of $11,500 on a $70,000 house. How much down payment would be required on a house costing $87,500?
asked by Anonymous 
Math equation
The Congress of the United States signed the Declaration of Independence in 1776. Find the difference in years between the year that the Congress signed this document and the year that you were born. I was born 2003. Is this right? y  1776 = 2003 or 2003
asked by Sam 
communication
How does language allow self reflecting, organize perceptions, allow hypothetical thought
asked by Barbara 
Physics
F=6kt This force acts on a particle of mass "m" that moves along a line. If the particle starts from rest, determine its velocity and position at time t.
asked by shawn 
Meds.. Human Anatomy?
Suppose that a batch of controlledrelease pills intended to be taken every 12 hours were accidentally manufactured without their thick coating. What would be most likely to happen to someone who took one of these pills? The medication would be absorbed
asked by rawr... im a dinosaur.... rawr 
chemistry
1. a) 50ml of water at 46.9°C were mixed with 50ml of water at 25.1°C in a calorimeter also at 25.1°C. The final temperature was 30.1°C. Assuming that neither the density of water nor its specific heat capacity change with temperature, calculate the
asked by Cicily 
biology
communication between cells,tissues and organs. IN What Blood component? What is the mode action? Can someone help me please?
asked by marie 
Consumer Economics
What are three ways teens are preserving and cleaning the environment?
asked by Aaliyah 
Real Estate Finance
Jones family spends an average of $105 on utilities every two months. How much do they spend on utilities in a ear?
asked by Anonymous 
Math
When you divide a proper fraction by an improper fraction, is the quotient less than 1,greater than 1,or equal to 1? I think it is less than one but I'm not sure
asked by Cherie 
Math
Solve the equation cos3x=1^2 where x is radian
asked by Anonymous 
Finanonce
Salesperson Wilson has an agreement with his broker that he earns $10 for every $110 he makes in sales. How much does he earn $2,200 worth of sales?
asked by Anonymous 
Algebra 2
Suppose you got $5000 from family at your high school graduation. You decide to invest it for 30 years. If you invest it at 8% in a simple interest bond, how much is it worth after 30 years?
asked by Anonymous 
Math
Solve the equation cos3x=1^2 where x is radian
asked by Anonymous 
Biology
I need to make a cell membrane model out of a tissue box. Can you help me? I need ideas and more information about it.
asked by Adriana 
math
what is 1087x12 by showing your work
asked by trinity clack 
Economics
What type of labor occurs in Kenya? What percentage of it is physical labor, mental, other? Thanks
asked by Anonymous 
Real Estate Finance
A retired air force colonel wants to buy a new home using a VA loan. He used his VA guarantee of $46,000 in 1989, when he purchased his first home. Based on a guarantee of $104,250, he will be able to use his partial eligibility to obtain a VA loan with no
asked by Anonymous 
physics
Sorting Elements: Give out bags of small, varied objects of different shapes colors, and sizes, such as seashells, beads, or rocks. Have groups of students orgasnize the shells so that similar objects are near each other, but make sure that they are
asked by margie 
visual logics
How do I write a program with three inputs rectangle heights, width, and number of rectangles
asked by Linda 
History
What do you think might happen as the size of the population in the english colonies increased
asked by Aaliyah 
ACC340
Using at least two sources in addition to the text, Write a 700 to 1,050word paper describing how information systems are changing the various aspects of the accounting profession.
asked by Kat 
math
the election results indicate that 131.2 million Americans voted in the 2008 presidential election. this was approximately 63% of the eligible voters. how many Americans were eligible to vote in the election?
asked by Dylan rangel 
statistics
A bag contains a total of 24 white, red, and blue marbles. A student randomly selects a marble from the bag, records the color, and then returns the marble to the bag. The student repeats the process 24 times. The bar graph shows the results of the
asked by kate 
physcis
Two astronaut, as shown in the figure, each having a mass of 62.0 kg, are connected by a 12.00 m rope of negligible mass. They are isolated in space, moving in circles around the point halfway between them at a speed of 5.00 m/s. Treating the astronauts as
asked by Anonymous 
ACC340
Using at least two sources in addition to the text, Write a 700 to 1,050word paper describing how information systems are changing the various aspects of the accounting profession. • Include a description of a variety of specific new technologies and
asked by Anonymous 
physics
A(n) 775 N man stands in the middle of a frozen pond of radius 11.2 m. He is un able to get to the other side because of a lack of friction between his shoes and the ice. To overcome this difficulty, he throws his 1.3 kg physics textbook horizontally
asked by John 
physics
A 43.3 kg girl is standing on a 125 kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless sup porting surface. The girl begins to walk along the plank at a constant speed of 1.87 m/s to the right
asked by John 
phsyics
A warwolf, or trebuchet, is a device used during the Middle Ages to throw rocks at castles and now sometimes used to fling pumpkins and pianos. A simple trebuchet is shown in the figure. Model it as a stiff rod of negligible mass 3.00 m long and joining
asked by Anonymous 
math
ms. fuller has 2 and 2/6 pies left over from her party. write the number of pies left over as a fraction greater than 1.
asked by lizzie 
Psychology
When people go without sleep for more than 24 hours in a row, how does their experience of sleepiness vary over time?
asked by Anonymous 
Social Studies 8R help!!!!
What were the goals of (a) the Knights of Labor? (b) the AFL? Answer (a)  ?????? Answer (b)  Unlike the Knights of Labor, the AFL supported the use of strikes to achieve its goals. The AFL collected money from its member unions. Some of it went into a
asked by Laruen 
physics
A solenoid of radius 2.30 cm has 380 turns and a length of 15.0 cm. (a) Find its inductance. (b) Find the rate at which current must change through it to produce an emf of 76.0 µV
asked by Anonymous 
Data Mangement Gr. 12
What does it mean when you have P(AC)
asked by West 
math
what is the letter b in this expression a+b
asked by Anonymous 
Calculus
Consider an infinite series of the form (+)3(+)1(+)1/3(+)1/9(+)1/27(+)....(+)1/3^n(+)... The number 3,1, etc. are given but you will decide what the signs should be. a)Can you choose the signs to make the series diverge? B)Can you choose the signs
asked by oci 
math URGENT!!!!!!!!!!!!
a 12x12inch square is divided into n^2 congruent squares by equally spaced lines parallel to its sides. circles are inscribed in each of the squares. find the sum of the areas of the circles. answer and please explain step by step how u got the answer!!
asked by dan 
math
what is the letter b in this expression a+b
asked by Anonymous 
Math
How do you simplify an expression like: 5x + (2) + 3x +9
asked by Hannah Borrum 
Physics Help, Please
The figure below shows two speakers, A and B, which are emitting identical, synchronized (inphase) sound waves at 240kHz. A person standing a point C hears a relatively loud sound. She then starts walking towards point D, and notices the sound gets
asked by Michael 
history
most republicans in the late 1800 were protestants who their party as the defender of traditional American values true or false?
asked by Kimberly 
maths
Factorise the following quadratic expressions: a) x2 + 7x + 12 b) x2  4x + 4 c) x2  x – 6 and explain please
asked by Anonymous 
math
if car one is traveling at 45miles per hr in one direction. How fast is car no 2 has to go from stoped state to catch up with car one after 15 miles assuming car 2 can go from 060 in 5 sec.
asked by gus 
math
solve the inequality 3(2x+4)greater than and equal to 2x
asked by Ted 
forensic psychology
explain how and why the ADA is relevant to forensic psychology professionals working in the police subspecialty in the screening and selection of police officers
asked by Renee 
math
What does the math term XOR stand for in math?
asked by Garret 
Physics B
Part 1 Calculate the magnitude of the linear momentum for each of the following cases: A proton with mass 1.67×10 −27 kg moving with a speed of 5.24 × 10 6 m/s. Answer in units of kg · m/s Part 2 A 15.1 g bullet moving with a speed of 327 m/s. Answer
asked by Mary 
Physics B
Part 1 A pitcher claims he can throw a 0.167 kg baseball with as much momentum as a 2.43 g bullet moving with a speed of 87735 m/s. What must be its speed if the pitcher’s claim is valid? Answer in units of m/s Part 2 What is the kinetic energy of the
asked by Kelsey 
Physics B
A(n) 685 N man stands in the middle of a frozen pond of radius 14.6 m. He is unable to get to the other side because of a lack of friction between his shoes and the ice. To overcome this diﬃculty, he throws his 1.3 kg physics textbook horizontally toward
asked by Kelsey 
Physics B
A 89.2 kg ice skater, moving at 16.1 m/s, crashes into a stationary skater of equal mass. After the collision, the two skaters move as a unit at 8.05 m/s. Suppose the average force a skater can experience without breaking a bone is 4296 N. If the impact
asked by Mary 
Algebra
3x + 7= x  1 3x=x(62x) 12x5=4x+2 2x+3=2x+5 I cant remember the steps to evaluate.
asked by Sarah 
Math URGENT!
2. 9X2=34+3X 4.x/315=12+x 6.11+4x=7+5x 8.7+x=8x 10.0.45x+25=40+0.25x
asked by Bradley 
Physics B
Part 1 A 36 kg girl is standing on a 65 kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a ﬂat, frictionless supporting surface. The girl begins to walk along the plank at a constant speed of 1.89 m/s to the right
asked by Sarah 
trig
Solve tan2A  2tanA = 1 for 0º≤A≤360º.
asked by trig 
Physics B
A(n) 685 N man stands in the middle of a frozen pond of radius 14.6 m. He is unable to get to the other side because of a lack of friction between his shoes and the ice. To overcome this diﬃculty, he throws his 1.3 kg physics textbook horizontally toward
asked by Kelsey 
Finance
The Garcia company's bond have a face value of 1000, will mature in 10 years and carry a coupon rate of 16 percent. Assume interest payments are made semi annually. Determine the present value of the bonds cash flow if the required rate of return is 16.64
asked by Anonymous 
Physics
A driver approaches an intersection at a speed of 50km/h, when the light turns amber. The driver
asked by ashley 
Math
The value of a car after it is purchased depreciates according to the formula v(n)=28000(0.875)^n where v(n) is the car's value in the nth year since it was purchased. How much value does it lose in its fifth year? The answer is $2052 but I don't see how;
asked by Crystal 
Physics
A driver approaches an intersection at a speed of 50km/h, when the light turns amber. The driver applies brakes to get the maximum stopping force without skidding. The car has a mass of 1500kg and the force of static friction between the tires and the road
asked by ashley 
math
write a quotient that give the same anwser as 4.65 divided by .12
asked by mackenzie 
Psychology
Without education it can affect your life in many ways how???? besides not having a job
asked by Laruen 
Algebra
The booster club raised $102 in their car wash. They want to buy $18 soccer balls for the soccer team. Write and solve an inequality to find out how many soccer balls they can buy.
asked by Zaria 
biology
• What is the overall goal of photosynthesis
asked by April 
Physis
A projectile is launched with an inital velocity of 30.0m/s at an angle of 60 degrees above the horizontal. How far does it travel. Please show me how to solve this.
asked by Sam 
Chem 1A
The following reaction occurs in aqueous acid solution: NO3– +I– →IO3– +NO2 In the balanced equation, using the smallest wholenumber coefficients, what is the coefficient of NO3–?
asked by Parkin 
Physics HELP!!
A lower 0.56m long leg is being exercised. It has a 48.0N weight attached to the foot and is extended at an angle θ with respect to the vertical. Consider a rotation axis at the knee. At what angle θ does the magnitude of the torque equal 14.2 Nm?
asked by Ann 
Physics HELP!!
A square, 0.74m on a side, is mounted so that it can rotate about an axis that passes through the center of the square. This axis is perpendicular to the plane of the square. A force of 26.8N lies in this plane and is applied to the square. What is the
asked by Ann 
5th Gr Math
Mikail used 220 inches of wire to make this figure. The figure is made up of 2 indentical triangles, a 15 inch by 12 inch rectangle & a square of side 19 inches. What is the length of 1 side of each triangle if all the sides of the triangles are equal in
asked by Ryan 
English 8R  Homework Check
Last week in class we watch this movie Stand and Deliver (I hope most of you are familiar with this movie), it's base on a true story. For homework I have pick one of the following questions she gave us and write a well developed response that fully
asked by Laruen 
Math
There will be 24 people all together at george's birthday party.He wants to serve his grandmother's special fruit punch. His grandmother lives in England, where they use metric measurements in cooking. This is her recipe. Grandmothers fruit punch  serves
asked by Caleb 
English 8R  Homework Check  Part 2
Here's the second one: Please check to see if there any grammar errors and if it's good. BTW  If you NEVER heard of the movie Google it and read about it on Wikipedia. Urban Unit 2012  Stand and Deliver Response Would you be willing to give up your
asked by Laruen 
Physics ~!!!!!!!
A man of mass 76.1kg stands on a scaffold supported by a vertical rope at each end. The scaffold has a mass of 23.9kg and is 3.0m long. Suppose the man stands to the right from the middle of the scaffold that is a distance one sixth of the length of the
asked by joane 
English 9
I am reading short stories right now in english. My teacher has gave me a question for this story: what are 2 main types of conflict in the story? explain the source of each type. conflist= oppostion of 2 forces ex: character vs character character vs
asked by Jules 
Finance
The Garcia company's bond have a face value of 1000, will mature in 10 years and carry a coupon rate of 16 percent. Assume interest payments are made semi annually. Determine the present value of the bonds cash flow if the required rate of return is 16.64
asked by Anonymous 
Social Studies
Lake Superior is the ____ of the Great Lakes at 1333 feet
asked by Jerald 
Calculus
Find a cubic function f(x) = ax^3 + bx^2 + cx + d that has a local maximum value of 3 at x = −2 and a local minimum value of 0 at x = 1.
asked by Benjamin 
Health 8R
what's high doses, medium doses, and low doses???? this is alcohol related
asked by Laruen 
Social Studies
Ships from the Great Lakes travel the St Lawrence river to what ocean? Answer these questions with true or false The five great lakes are large enough to be called inland seas False? The great lakes form north americas most important waterway true? The
asked by Jerald 
math
26 2/3  1 5/6 Is it 24 3/6?
asked by Jerald 
Physics HELP!!
Three masses are connected by massless rigid rods. Rods AC and CB have length l= 44.8cm. If massA=280.0g, massB=386.0g, and massC=739.0g, what are the coordinates of the center of mass? (Enter your answer for the x coordinate first, followed by the y
asked by joane 
Physics!!
An athlete at the gym holds a 5.54kg steel ball in his hand. His arm is 80.4cm long and has a mass of 4.26kg. What is the magnitude of the torque about his shoulder if he holds his arm straight out to his side, parallel to the floor? b).What is the
asked by joane 
Physics !>:(
Four masses are connected by 27.1cm long, massless, rigid rods. If massA=237.0g, massB=511.0g, massC=257.0g, and massD=517.0g, what are the coordinates of the center of mass if the origin is located at mass A? (Enter your x coordinate first followed by the
asked by moore 
Physics HELP!! pleasee
A uniform plank of length 5.0 m and weight 231N rests horizontally on two supports, with d = 1.34m of the plank hanging over the right support. To what distance, x, can a person who weighs 477N walk on the overhanging part of the plank before it just
asked by sarah 
Social Studies
Lake Huron is the northernmost Great Lake False? Lake Ontario is the closest Great lake to ottawa canada True?
asked by Jerald 
English Hamlet
I want to know what this line mean in hamlet: but break my heart for i must hold my tongue why do Hamlet not want to share his feelings with anyone?
asked by Mohammad 
Physics
A hiker who weighs 834N, is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform, weighs 3520N, and rests on two concrete supports at each end. He stops onefifth of the way along the bridge. What is the magnitude of the
asked by sarah 
physics
A 43.3 kg girl is standing on a 125 kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless sup porting surface. The girl begins to walk along the plank at a constant speed of 1.87 m/s to the right
asked by John 
general politic question
do you agree that television has negatively impacted politics and voters?
asked by Anonymous 
English Hamlet
I writing a character analysis on Hamlet and i just need few notes what be all his conflicts? he have one with his uncle who killed his dad, his mom. what be his flaws? his indecisions strengths? not stupid, impulsive state of mind? depressed attitudes and
asked by Mohammad 
Analytic Algebra
Verify your results of the 2 linear equations by graphing in the desired graphing program and paste the graph in your assignment document (edit/copy image). 35x + 50y = 2220 x + y = 51 y = 29 x = 22
asked by BJ 
books
Reread the nightmare scene near the end of The Night Thoreau Spent in Jail and describe the main characters and primary events in Henry’s nightmare. Also, discuss this scene in particular, and the play in general, as a work of protest against war itself.
asked by lee 
Education
Which of the following statements about the field of child development is correct? A. It’s devoted to understanding human constancy and change over the lifespan. B. It’s part of a larger, interdisciplinary field known as developmental science. C. It
asked by Ri 
Math
A taxi charges 414 for a 7mile trip. How much will the taxi charge for 16mile trip?
asked by Sam 
calculus
evaluate the integral I= ∫(0,∏/4) ((53e^(tanx))/(cos^(2)x))dx
asked by peyton 
English 9 MS. SUE
i still need help: the conflict is character vs charcater how would i say what caused it?
asked by Jules 
Algebra 2
factor b^n+5b^5
asked by Marilu 
Chemistry
A 3.80 L cylinder contains 6.83 g of methane, CH4, at a pressure of 3320 mmHg. What is the temp. Of the gas? I mainly have problems being able to tell which gas law equation I need to use when asked these types of questions and then being able to rearrange
asked by Sarah 
Social Studies
Lake Michigan and Lake Huron have the same surface elevation of ___ feet 577? The ___ Channel connects Lake Huron Lake St Clair and Lake Erie South? Niagara Falls is between Lake Erie and Lake __ Ontario? Lake Ontario is connected to the St Lawrence Seaway
asked by Jerald 
Physics Lab Question, Help Please
Two speakers, A and B, are emitting identical, synchronized (inphase) sound waves at 240kHz. A person standing a point C hears a relatively loud sound. She then starts walking towards point D, and notices the sound gets quieter, reaching a minimum when
asked by Kevin 
maths
5/8 of a class is girls what is the percentage of boys[ b] if the class has 32 student how many are boys
asked by jelaniegabrael 
Education
Dr. Muse, a sociocultural theorist, speculates that children's ability to reminisce about the past can be promoted through adult teaching. This is an example of a A. Theory B. Research Question C. Hypothesis D. Research method I have read my book, but
asked by Ri 
Math
There was an error... A tax charges $14 for a 7mile trip. How much will the taxi charge for a 16mile trip?
asked by Sam 
Algebra 2
Factor a^(5n)+a^(2n)
asked by Marilu 
geography
Can you check my answers please? 1. What Russian peninsula is located between the Bering Sea and the Sea of Okhotsk? Kamchatka Peninsula 2. How many degrees of longitude circle the Earth? 360 degrees of longitude 3. What continents are included in the
asked by Reed 
chemistry  equilibrium Help
you observed that very little corrosion occurred on the nail immersed in NaOH(aq) solution. This observation is difficult to explain from an electrochemistry perspective since electrochemistry principles predict a spontaneous reaction that should cause
asked by Tara 
Physics
Two long straight wires are perpendicular to the page and located at distances d1 = 2 cm and d2 = 3.5 cm from the origin. Wire 1 carries current 5 A out of the page. If the net magnetic field due to the two currents is at an angle of 45 degrees to the
asked by Jasmine 
science
How would your results have differed if you had overtitrated, i.e. added NaOH beyond the endpoint?
asked by nicki 
Calculus
A spherical ball is being filled with air. When the radius r=9cm, the radius is increasing at a rate 4 cm/s. How fast is the volume changing at this time (leave your answer approximate)?
asked by Jax 
science
What are two organisms interacting with abiotic factors in the mono lake ecosystem?
asked by Jessica 
algebra
a small business loan in the amount of 50,000 need to interest rate of 9% that compounds monthly for 7 years. What is the payment for 7 years, need formula for this. And what is the balance of the loan at the end of the 1st year? Show the formula used for
asked by Becky 
Chemistry
Chemical Kinetics Lab  Ascorbic Acid Reduction of Iron (III) The object of this experiment was to determine a rate law and a rate constant. The reaction that was studied was: 2 Fe(CN)6 ^3 + C6H8O6 = 2 Fe(CN)6 ^4 + C6H8O6 + 2H ^+ Summary of obtained
asked by Amy 
Physics
A bicyclist of mass 65 kg stands on pedal. The crank is .170 m long and makes a 45 angle with the vertical. The crank is attached to the chain wheel which is 9.70 cm. What force must the chain exert to keep the wheel from turning?
asked by Angel 
pucblis opinion
why do you disagree that television has negatively impacted politics and voters?
asked by Anonymous 
Algebra 2
According to the US Census Bureau, the population of the United States has been growing at an average rate of approximately 2% per year. The census is taken every 10 years, and the population in 1980 was estimated at 226 million people. *If the rate of
asked by Anonymous 
Physics
A ski slope drops at an angle of 24 degrees with respect to the horizontal and is 500 m long. A 60 kg skier skis down from the top to the bottom of the slope. A.) Determine the change in gravitational potential energy of the skier+earth system. b.) If 20%
asked by Iza 
Algebra
$9500 is invested part of it at 12% and part of it at 7%. For a certain year the total yield is $960.00. How much was invested at each rate? Please show work
asked by Kia 
Chemistry
Calculate the enthalpy of combustion for acetic acid using standard enthalpies of formation.
asked by Diana 
finance
How does an investor earn more than the return generated by the tangency portfolio and still stay on the security market line? a. Borrow at the risk free rate and invest in the tangency portfolio. b. Add high risk/return assets to the portfolio. c. Adjust
asked by anonymous 
business
Find three examples of lessons from the front line that are evident in the Nestlé case. How could these issues be overcome?
asked by Doc 
Algebra 2
Find all intergers "K" such that the trinomial can be factored over the intergers: x^(2)+kx+8
asked by Marilu 
Physics
A street lamp weighs 160 N. It is supportedequally by two wires that form an angle of 119 with each other. What is the tension of each of these wires? Answer in units of N
asked by Sarah 
Math
Lucita was given a rectangular piece of plastic tile shaped in a rectangle. What is the perimeter of the piece of tile in inches? It's width is 2 1/5 in and its height is 5 1/3in A.14 1/2 B.14 4/15 C.15 D.15 1/15 C?
asked by Jerald 
ss
1. How were things done before the invention was made? How did the invention change how people did things?
asked by Anonymous 
5th Grade Math
Need to show my work for the following: 646,505,712,103 divded by 72. Am having such a hard time please help.
asked by Ryan 
Chemistry
A solution is prepared by dissolving 50.0 g of pure HC2H3O2 and 20.0 g of NaC2H3O2 in 975 mL of solution (the final volume). what is the ph? What would the pH of the solution be if 50.0 mL of 0.900 M NaOH were added? What would the pH be if 30.0 mL of 0.30
asked by Bella 
English
Poland received top priority on Adolf Hitler's (agenda maze) of military conquests in the fall of 1939 agenda? Students must take many required courses but they also have a little ( oracle leeway) to choose courses that they find especially interesting
asked by Jerald 
physics
an arrow was shot at a suspended clay target. the original KE the arrow was shot with was 2.0 J. the final KE from the arrowtarget collision was 0.2 J. What happened to the original KE of the arrow? Give at least four possible ways in which this KE could
asked by mary 
Physics
In New Hampshire the average horizontal component of Earth's magnetic field in 1912 was 16 uT, and the average inclination or "dip" was 73 degrees. What was the corresponding magnitude of Earth's magnetic field?
asked by Michelle 
algebra
the speed of train A is 8 mph slower than the speed of train B. Train A travels 220 miles in the same time it takes train B to travel 260 miles. Find the speed of both trains. Speed of train A = Speed of train B =
asked by pam 
Physics
Mary weighs 459 N and she walks down a ﬂight of stairs to a level 4.7 m below her starting point. What is the change in Mary’s potential energy?
asked by Ash 
Physics Intro
A roller coaster has a vertical drop of height 66 m and then is followed by a oop. It starts as a steep slope 75 degrees to the horizontal and then enters into a circular path of radius R. In order to stay below 4 tims the force of gravity at the bottom of
asked by Physics Help Please 
algebra
using the rational root theorem to list all possible rational roots of the polynomial equation x^3x^2x3=0 possible answers 3,1,1,3 1,3 33 no roots
asked by jayson 
algebra
find a third degree polynomial equation with coefficients that has roots 4 and 6+i possible answers x^38x^211x+148=0 x^38x^212x+37=0 x^312x^2+37x=0 x^38x^211x=0
asked by jayson 
Physics Help, Please
Two speakers, A and B, are emitting identical, synchronized (inphase) sound waves at 240kHz. A person standing a point C hears a relatively loud sound. She then starts walking towards point D, and notices the sound gets quieter, reaching a minimum when
asked by Michael 
algebra
What does Descartes Rule of Signs tell you about the real roots of the polynomial 2x^3+3x^35x2=0 possible answers one positive root either 2 or 0 neg 2 or 0 pos and 2 or 0 neg one pos and one neg either 2 or 0 pos and one neg
asked by jayson 
Physics
A cable lifts a 1060kg elevator at a constant velocity for a distance of 39 m. What is the work done by each of the following?
asked by Don 
college chemistry
How many milliliters of a 9.0\% ({\rm v/v}) propyl alcohol solution would you need to obtain 4.0{\rm mL} of propyl alcohol
asked by chloe shaw 
algebra
my scenario, to start a small business you will need a loan of $50.000 to purchase the restaurant. The bank interest rate 9% that compounds monthly for 7 years. What is the monthly payment for this loan, what is the fomula that you will use and the values
asked by Becky 
Math
Without multiply how many decimals places r in the product of 4.97 and 3.456?
asked by Joe 
Math
Please help me understand this question, thanks! 10. Write the slopeintercept form of an equation of the line perpendicular to the line in Exercise 7 with a yintercept of 3. 7. (4, 9), (3, 2)
asked by Emma 
Physics
A Jaguar XK8 convertible has an eightcylinder engine. At the beginning of its compression stroke, one of the cylinders contains 499 cm ^ 3 of air at atmospheric pressure (1.01\times 10^5 Pa}) and a temperature of 27.0 degrees C. At the end of the stroke,
asked by Natalie 
Math
Ricky wrote the following to show that his sister's age is 6 yrs. less than 3 times his age. Explain what he did wrong. Give the correct expression Let a stand for my age My sister's age a/36
asked by Lisa 
Physics
A ball is released from rest 5.1 metre above a 26.0 metre tank of water. In the water the ball experiences a bouyant force of 53 N and takes 4.70 seconds from the time it is released to reach the bottom of the tank. What is the mass of the ball?
asked by Montana 
Chemistry
7 grams of chloride was dissolved in water. 20 ml of lead(II)nitrate was used to completely precipitate all chloride (assume atomic mass of 35g/mol). What is the molarity of the Lead(II) Nitrate solution.
asked by Luke 
Chemistry
7 grams of chloride was dissolved in water. 20 ml of lead(II)nitrate was used to completely precipitate all chloride (assume atomic mass of 35g/mol). What is the molarity of the Lead(II) Nitrate solution.
asked by Luke 
physics
A 2,000kg car moving east at 10.0 m/s collides with a 3,000kg car moving north. The cars stick together and move as a unit after the collision, at an angle of 39.0° north of east and at a speed of 5.15 m/s. Find the speed of the 3,000kg car before the
asked by Anonymous 
English
In her graphic description of the most gruesome scenes in the horror film Maria left out none of the (amiable gory) details gory? After all the deductions had been made from my (gross limber) salary the sum that remained seemed pitifully small gross? Many
asked by Jerald 
physics
What is the pressure inside a 33.1 L container holding 109.1 kg of argon gas at 399 K?
asked by Ericka 
Math
The question is simply and answer in standard form 3x2(that is x squared)2x+1+x2(xsquared)+2x9 so I made it 3xsquared+xsquared=4xsaqured 2x+2x=0 the answer is: 4xsquared(8)=4xsquared+8 Then it asks the type of polynomial? I thought it was binomial Are
asked by B6 
Math  urgent
2. A technician has prepared three solutions from a 600 mL stock solution. • In preparing the first solution ½ of the original volume of the stock solution was used. • The second solution required ¼ of the remaining stock solution. • Preparation of
asked by anna 
Chemistry
1.) Hydrogen fluoride (HF) is a weak acid, which when dissolved in water reacts slightly by the equation: HF(g) + H2O(l) = H3O^+(aq) + F^(aq). Predict the direction of shift of the equilibrium that occurs if some NaOH is added to the solution. Explain My
asked by Amy 
Math
I have the fraction 1/6. I need to express it as a decimal, fraction expressed with denominator 100 and percentage. Is it correct to have 0.16666; 16.66/100 and 16.66%?
asked by anna 
Science
I have been thinking of something to do for my schools science fair for weeks and my teacher keeps telling me that i can't do my idea because its too easy for an honors student. I'm all out of ideas and I need help! Please!
asked by Julia 
statistics
Use the multiple regression equation to predict a person's salary. Assume that the variable A is the number of years of college. Assume that the variable B is the number of years of experience. Suppose the person has 7 years of college and 3 years of
asked by jassi 
Education
In studies involving children, the ____ should have the final word in deciding whether they should participate. A. Children B. Researchers C. Therapists D. Parents I think it is either B or D. I am conflicted because parents would have already agreed to
asked by Ri 
English
Word bank agenda amiable befuddle blight boisterous clarity compliant conserve debut gory gross induce leeway limber maze oracle partisan reimburse vacate vagabond Why do you always ask me whats going to happen? Im no ___ oracle? The crowd is so ____ that
asked by Jerald 
Math
I form a 3digit number at random from the digits 19. What is the probability that my number has no repeated digits? All three digits the same? Exactly one repeated digit?
asked by Kay 
Chemistry
Naoh (aq) + HCl (aq) > NaCl (aq) + H2O (l) Using the dT determined in part 1, calculate the heat capacity of the calorimeter. Enthalpy of reaction= 58.3 kj/mol, Cs (NaCl = 3.91j/g C)density of 1 M NaCl = 1.037g/mL. dT= 12.88 degrees Celcius.
asked by Annie 
Math
Lucita was given a rectangular piece of plastic tile shaped in a rectangle. What is the perimeter of the piece of tile in inches? It's width is 2 1/5 in and its height is 5 1/3in A.14 1/2 B.14 4/15 C.15 D.15 1/15 My answer I got was 14 16/15 what do I do
asked by Jerald 
Physics
How much energy is released by 10 kg of liquid silver at 961°C as it cools to solid silver at 20°C?
asked by Anonymous 
Chemistry
Naoh (aq) + HCl (aq) > NaCl (aq) + H2O (l) Using the dT determined in part 1, calculate the heat capacity of the calorimeter. Enthalpy of reaction= 58.3 kj/mol, Cs (NaCl = 3.91j/g C)density of 1 M NaCl = 1.037g/mL. dT= 12.88 degrees Celcius.50 mL of
asked by Annie 
Physics
How much heat is necessary to raise the temperature of 3,439 grams of lead, from 20°C solid lead to all liquid at 327°C?
asked by Anonymous 
Physics
A hot steam burn is worse than boiling water burn: (a) If 4 mL of 100°C hot steam condenses on your arm, how much energy is released as it condenses and cools to human body temperature of 37°C? (b) If 4 mL of 100°C hot water spills on your arm, how much
asked by Anonymous 
college algebraneed help Please!!!
I need to find the vertex and axis of symmetry of the folowing quadratic function. Can someone PLEASE help me!! y= x^26x
asked by ladybug 
Math
A 10oz bottle of juice costs $1.49. A 30oz bottle cost $4.25. Which is the better buy?
asked by Tiffany 
calculus
Wiley jumps straight up in the air from the edge of a cliff so that when he comes down he falls off the cliff. The cliff is 40 feet off the ground. His height t seconds after he jumps is s= 16t2 + 12t + 40.What is the maximum height? What is his maximum
asked by Martha 
Math
A store sells a pack of 10 baseball cards for $4.95 or five 10packs for $49.95. Which would be the better buy?
asked by Tiffany 
math
A spherical ball is being filled with air. When the radius r=7cm, the radius is increasing at a rate 2 cm/s. How fast is the volume changing at this time (leave your answer approximate)?
asked by Rav 
Wnglish
Word bank agenda amiable befuddle blight boisterous clarity compliant conserve debut gory gross induce leeway limber maze oracle partisan reimburse vacate vagabond For years his restless spirit led him to wander the highways and byways of this great land
asked by Jerald 
7th grade English Ms. Sue ASAP please
Questions 1 and 2 correspond to “Amigo Brothers.” Question 4 corresponds to "Friendships and Peer Pressure." 1. How do Antonio and Felix feel about each other after their fight? (1 point) Felix is angry with Antonio for injuring his eye. Antonio is
asked by Delilah 
7th grade language arts only 1 question
5. A synonym for the word nimble is _____. (1 point) lively secret damaging weak Isn't the answer "lively", Ms. Sue?
asked by Delilah 
7th grade math
The question is simplify 9=1(36divided by 2 x34) I did 9+1(18x34) _9+1(544) 9=1(50) 9+50 41 Is this correct I did this with a friend and we both got different answers. Maybe I di the wrong order of operation?
asked by EN 
create an input/output
Please show me how to do e+7=f in an e is FOR input and f =output. Explain how to do it
asked by norma 
college algebra
John invests $2500 in an account that pays a rate r compounded annually. If after 2 years the total interest earned is $650, find the approximate rate of interest
asked by Anonymous 
Chemistry
Calculate the molar enthalpy for the following reaction. HCl(aq) + NH3 (aq) > NH4Cl (aq). HCl = 50 ml (2.00M) NH3 = 50 ml (2.05 M) Delta T = 9.28 degrees Celsius. Ccal = 28.9J/g degrees celcius.
asked by Emma 
Physics
A 0.069kg arrow is fired horizontally. The bowstring exerts an average force of 65 N on the arrow over a distance of 0.95 m. With what speed does the arrow leave the bow?
asked by Don 
physics charges. please help!
A charge Q = +4.5 uC is located at the origin and is fixed so that it cannot move. A small object with mass m = 2.0 g and charge q = +8.0 uC is released from rest at point A on the xaxis at x = 2.0 cm. The small object moves without friction along the
asked by Matt 
Chromosones.. idk what else
What happens if a baby has two Y chromosomes?
asked by rawr... im a dinosaur.... rawr 
chemistry
how many atoms are in a sample of 175 g of sodium (Na)? 4.58 x 1024 or 1.42 x 1027?
asked by Anonymous 
Physics
A 7410kg satellite has an elliptical orbit, as in the figure. The point on the orbit that is farthest from the earth is called the apogee and is at the far right side of the drawing. The point on the orbit that is closest to the earth is called the
asked by Anonymous 
History
Why was Wilbert Rideau denied due process and why was it so important?
asked by Anonymous 
Physics
A 57.5kg skateboarder starts out with a speed of 1.80 m/s. He does +80.0 J of work on himself by pushing with his feet against the ground. In addition, friction does 265 J of work on him. In both cases, the forces doing the work are nonconservative. The
asked by Anonymous 
Economics
TwoPart Tariff Problem Suppose that each of a firm’s customers has the following demand curve: P = 20 – 2Q. Suppose also that the firm’s total cost function is TC = 8Q. The firm is considering three pricing strategies. Strategy 1: A single per unit
asked by Leonardo Yang 
Economics
You are the manager of a firm that sells CD players and DVD players. You work in Buffalo, New York and this is the middle of winter. So the people that live within walking distance are the only customers you might get, and there are no other stores nearby.
asked by Leonardo Yang 
physics
A dart gun is ﬁred while being held horizontally at a height of 1.19 m above ground level, and at rest relative to the ground. The dart from the gun travels a horizontal distance of 3.33 m. A child holds the same gun in a horizontal position while
asked by gracie 
Economics
For each of the following products, write a few sentences answering the following questions: • Is price discrimination of any sort feasible? • If price discrimination is feasible, which of these pricing approaches would you consider using: market
asked by Leonardo Yang 
chemistry
If 8.00g of methane is burned with 6.00g of oxygen. How much methane,oxygen,carbon dioxide,and water remain after the reaction is complete in grams?
asked by DEE 
math
Suppose we pump water into an inverted rightcircular cone tank at the rate of 6 cubic feet per minute. The tank has the height 9 ft and radius on the top is 8 ft. What is the rate at which the water level is rising when the water is 3 ft deep? Leave the
asked by Ravinder 
Fractions
A technician has prepared three solutions from a 600 mL stock solution. • In preparing the first solution ½ of the original volume of the stock solution was used. • The second solution required ¼ of the remaining stock solution. • Preparation of
asked by anna 
physics
A dart gun is ﬁred while being held horizontally at a height of 1.19 m above ground level, and at rest relative to the ground. The dart from the gun travels a horizontal distance of 3.33 m. A child holds the same gun in a horizontal position while
asked by gracie 
Physics
The skateboarder in the drawing starts down the left side of the ramp with an initial speed of 5.4 m/s. If nonconservative forces, such as kinetic friction and air resistance, are negligible, what would be the height h of the highest point reached by the
asked by D 
math
how do I write the equation for fifteen decreased by twice n equals 13?
asked by karen 
Math
How do I begin to simplify this? 3x/(4x5y)=6ay14b
asked by Tim