Questions Asked on
June 11, 2012

math
William, Joseph, Margaret, Frank, and Jeffrey all work for the same company. Frank has been there the longest, eleven years and makes the most money, three times as much as Jeffrey. Margaret has been there the second longest and makes $50,000 a year.
asked by fee 
algebra
Joan is paid 11/2 hours for every hour she works on Saturday and 2 hours for every hour worked on Sunday; she is paid regular time for the rest of the week. How many hours will she be paid for if she works 40 hours during the week, 8 hours on Saturday, and
asked by laquel 
math
The smallest package weighed only 1/3 more than 1/2 the weight of the heaviest package. If the two packages combined weighed 100 kilograms, how much did the smaller package weigh?
asked by Anonymous 
Math
Rectangle ABCD is similar to rectangle EFGH. If rectangle ABCD has sides that are 7 times greater than those of rectangle EFGH, what is the relationship between the perimeters of the rectangles? A. The perimeter of rectangle EFGH is 7 times greater than
asked by jessica 
English Poetry
What are the similarities and differences of the poems Hiroshima by Angela Clifton and Dulce Et Decorum Est by Wilfred Owen? What point of view are the poems? What are the themes of the poems? What are the contrasts and comparisons of the two poems?
asked by Jaizzer 
chemistry
Consider the following reaction: 2Na3PO4(aq)+3CuCl2(aq) = Cu3(PO4)2(s)+ 6NaCl(aq) If 75mL of .175 M Na3PO4 combined with 95mL of .102M CuCl2, determine the concentration of the excess reagent.
asked by Anonymous 
algebra
The slope of the line below is 2.5 and the yintercept is 1. What is the slopeintercept equation for the line? Do not include spaces in your answer. Answer:
asked by Anonymous 
English
i be having test soon in english and we be writing synthesis essay and narrative essay, i not know what synthesis mean, can you please give me examples of narrative essays online i know narrative be story telling type essay but examples be helpful for me
asked by Mohammad 
Physics
A student presses a book between his hands. The forces that he exerts on the front and back covers of the book are perpendicular to the book and are horizontal. The book weighs 31N. The coefficient of static friction between his hands and the book is 0.40.
asked by Anonymous 
Trig
The length of the base of an isosceles triangle is one fourth the length of one of its legs. If the perimeter of the triangle is 16 inches, what is the length of the base?
asked by Rina 
calculus
The crosssection of a drain is a trapezoid. The sides and the bottom of the trapezoid each have a length of 10 feet. Determine the angle θ such that the drain will have maximal crosssectional area.
asked by soffy 
Physics
A system consists of two particles. Particle 1 with mass 2.0 kg is located at (2.0 m, 6.0 m) and has a velocity of (3.1 m/s, 2.6 m/s). Particle 2 with mass 4.5 kg is located at (4.0 m, 1.0 m) and has a velocity of (1.1 m/s, 0.6 m/s). Determine the position
asked by Tim 
geometry
Each of the numbers 0 through 15 is written on a piece of paper and all of the pieces of paper are placed in a hat. One number is selected at random. determine the probability that the number selected is even. Note 0 is considered an even number.
asked by angela 
geometery
Rectangles ABCD and EFGH are similar. The perimeter of rectangle ABCD is 5 times greater than the perimeter of rectangle EFGH. What is the relationship between the areas of the rectangles?
asked by jessica 
math
Andrea deposited $300 in a savings account that pays 3% simple annual interest. How much interest will Andrea earn at the end of 3 years?
asked by pashia 
Physics
An arrangement of two pulleys, as shown in the figure, is used to lift a 49.6kg mass a distance of 3.70 m above the starting point. Assume the pulleys and rope are ideal and that all rope sections are essentially vertical. (a) What is the mechanical
asked by Akbar 
personal finance
If you want a riskproof real estate investment, invest in: A. real estate investment trusts. B. real estate limited partnerships. C. participation certificates (PCs). D. real estate syndicates.
asked by Anonymous 
Chemistry
What mass of KClO3 must be decomposed to KCl and O2 to give 638ml O2 at 18 degrees Celcius and 752torr?
asked by Jeff 
Physics
A 20 kg sign is pulled by a horizontal force such that the single rope holding the sign makes an angle of 21 degrees with the vertical. Assuming the sign is motionless, find magnitude of the tension in the rope.
asked by Anonymous 
Chemistry
How many moles of H2SO4 are required to react with 50 mL of NaOH solution? NaOH is 1M.
asked by Sarah 
chemistry
The volume of a gas is 250 mL at 340.0 kPa pressure. With the temperature remaining constant, what will the volume be when the pressure is reduced to 50.0 kPa? Don't forget the units.
asked by dimo 
Physics
Three applied forces F1= 20N, F2= 40N and F3= 10N act on a crate with a mass of 2kg on an incline with θ = 30o, φ = 60o and μk = 0.2, find the acceleration
asked by user 
Physics HELP PLS!!!
I, for the life of me, cannot figure out this equation: The index of refraction for a particular type of glass is 1.52 and the index of refraction for air is approximately 1.00. A ray of light at a particular frequency enters a block of glass from air with
asked by Genny 
acc/291
The following stockholders’ equity accounts arranged alphabetically are in the ledger of McGrath Corporation at December 31, 2011. Common Stock ($10 stated value) $1,500,000 Paidin Capital from Treasury Stock 6,000 Paidin Capital in Excess of Stated
asked by at 
physics
to start a nuclear fusion reaction, two hydrogen atoms of charge 1.602x10^19 and mass 1.67x10^27kg must be fired at each other. If each particle has an initial velocity of 2.7x10^6m/s when released, what is their minimum seperation?
asked by lindsay 
english
On the moors the hare is running races in her mirth whats the figure of speech and where is it
asked by Anonymous 
physics
An arrangement of two pulleys, as shown in the figure, is used to lift a 49.6kg mass a distance of 3.70 m above the starting point. Assume the pulleys and rope are ideal and that all rope sections are essentially vertical. (a) What is the mechanical
asked by Akbar 
chemistry
the rusting of iron is represented by the eqquation 4Fe + 3O2 > 2Fe2O3 if you have a 1.25mol sample of iron, how many moles of Fe2O3 can be made?
asked by britt 
algebra 1
Choose the product. 7p3(4p2 + 3p  1) 28p5  21p4 + 7p3 28p6 + 21p3  7p 21p3 + 8p2 + 3p4  8p 21p5 + 8p4  3p3
asked by brittney 
Chemistry
How many mols of dinitrogen monoxide are contained in 56.0L at STP?
asked by Harrison 
Fluid Mechanics
The gate OAB under water is 5 mwide and is hinged along O as shown. (a) Find the hydrostatic force on the horizontal surface AB. (b) Determine the magnitude and point of action of the hydrostatic resultant force on the vertical surface OA. (c) Draw a free
asked by Bob 
physics
The circuit in the figure below consists of two identical, parallel metal plates connected to identical metal springs, a switch, and a 130V battery. With the switch open, the plates are uncharged, are separated by a distance d = 7.65 mm, and have a
asked by Anonymous 
Physics
A car slowed down at a constant rate from 32meters per second to 3.0 meters per second in 9.0 seconds. What was the distance the car traveled in 9.00 seconds? Please show all steps, thank you very much.
asked by Jen 
algebra
The power (P) required to run a motor is equal to the voltage (E) applied to that motor times the current (I) supplied to the motor. If the motor data says the motor uses 180 watts of power and the voltage applied to the motor is 120 volts, how much
asked by laquel 
physics please help
How many grams of carbohydrate does a person of mass 75 kg need to metabolize to climb five flights of stairs (15 m height increase)? Each gram of carbohydrate provides 17.6 kJ of energy. Assume 10.0% efficiency—that is, 10.0% of the available chemical
asked by Nasir 
math
In a group of 7 men and 8 women, how many committees of 5 can be selected for which there are 2 men and 3 women? What is the probability of selecting a committee of 5 consisting of 2 men and 3 women?
asked by Gloria 
math 3
Peter is playing a game where a tensided die is rolled. Four sides of the die have the number 10, three sides of the die have the number 5, two sides of the die have the number 25, and one side of the die has the number 27. What is the expected value of a
asked by kj 
calculus
A police cruiser hunting for a suspect pulls over and stops at a point 10 ft from a straight wall. The flasher on top of the cruiser revolves at a constant rate of 75 /second, and the light beam casts a spot of light as it strikes the wall. How fast is the
asked by soffy 
Physics
The liquid in the tube has a density of 1.48 g/cm^3 . The atmospheric pressure is 1.013 X 10^5 newtons per square meter. What is the pressure P in the container? Please walk me through your steps, don't just suggest a formula. Thank you very much.
asked by Jen 
calculus
find the derivative of the function f(x)= tan (10x^2)
asked by soffy 
Algebra II (Exponents)
Simplify: (1728)^1/3 My answer was 576...is this correct?
asked by Greg B. 
Physics
A fire hose 3.8 cm in diameter is capable of spraying water at a velocity of 20 m/s. For a continuous horizontal flow of water, what horizontal force should a fireman exert on the hose to keep it stationary? I know the answer is 454 N but how does one
asked by James 
Physics
A 0.140 kg baseball traveling 39.0 m/s strikes the catchers mitt, which, in bringing the ball to rest, recoils backward 13cm. Question What is the average force applied by the ball to the glove? *Sigma Force= mass*acceleration
asked by Mr. McKee 
SS7R  HW Qs. Check
Which geographic theme would be most concerned with international trade? answer  interaction right????
asked by Laruen 
math 3
Peter is playing a game where a tensided die is rolled. Four sides of the die have the number 10, three sides of the die have the number 5, two sides of the die have the number 25, and one side of the die has the number 27. What is the expected value of a
asked by kj 
Physics
What is the magnitude of the average force required to stop an 1500kig car in 8.0 s if the care is traveling at 95 km/h? Formula: Sigma F= ma *convert 95km/h to 26m/s Which kinematic equation do I use and for which variable do I use within the equation?
asked by Mr. McKee 
Desktoping
In a bibliography, each source should be formatted using a ____ indent. A. center B. hanging C. left D. right I got D. Press ____ in copy selected text to the clipart A. Ctrl + A B. Ctrl + B C. Ctrl + C D. Ctrl + D I got A.
asked by Sarah 
Physics
A wheel is rolling ithout slipping at 487 meters per second to the right on a level surface. the diameter of the wheel is 100 centimeters. What is the angular speed of the wheel in revolutions per minute? Please walk me through your steps, don't just
asked by Jen 
sssc
Suppose we test H0 : p = .3 versus Ha : p ≠ .3 and that a random sample of n = 100 gives a sample proportion p = .20. a: Test H0 versus Ha at the .01 level of significance by using critical values. What do you conclude? b: Find the pvalue for this test.
asked by Anonymous 
chemistry
How many liters are occupied by 1.05 mol of nitrogen at 198C and 0.564 atm pressure? Answer in units of L
asked by luke 
chemistry
A sample of gas in a closed container at a temperature of 83C and a pressure of 9 atm is heated to 259C. What pressure does the gas exert at the higher temperature? Answer in units of atm
asked by luke 
early childhood
let me in ,"said the pin this is an example of 1 assonance 2 a metaphor 3 alliteration 4 personification is 1 correct
asked by reema 
math  Can someone please help to solve
what is the answer to 1.)Find the lower quota of 8.87, upper quota, 2.)arithmetic mean of the lower and upper quotas, 3.)the geometric mean of the lower and upper quotas, 4.)Round the given modified quota by comparing it with the arithmetic mean and
asked by Diane 
calculus
Integral of ln(sinx+cosx) with respect to x from pi/4 to pi/4
asked by alsa 
Calc
1. Differentiae each function a) Y=3x^2+5x4 b) F(x) = 6/x3/x^2 c) F(x)=(3x^24x)(x^3+1) 2. Determine the equation of the tangent line to the curve y=2x^21 at the point where x=2 3. Evaluate, rounding to two decimal places, If necessary a) In 5 b) b)
asked by Bobby 
Physics
The mass of the object was 8 kilograms. The object was acted on by a foce of 20 angle 80degrees newtons. What was the acceleration of the object? Please walk me through the steps instead of just suggesting a formula.. Thank you!
asked by Genny 
Math/Trig
How would I evaluate these trig functions without using a calculator? U: sin(13π/6) cot 11π/6 cot(14π/4) sec 23π/6 Thanks in advance ^^; and if you'd tell me step by step on how to do problems like these I'd be grateful :D
asked by Leah 
English
1. He added a little flour to the pan. 2. He added a spoonful of flour to the mixture. 3. He added two scoops of flour to the frying pan. (Are they all grammatical? As flour is an uncountable noun, we need to use the word 'flour' that way, right?)
asked by rfvv 
12th grade math
a block of mass 77kg is placed at the top of a frictionless plane that is inclined 46degrees to the horizontal. The height of the plane is 23 meters. find the speed of the block at the bottom of the plane. Show the steps please, thanks
asked by frusterated 
Math
Given f9x0=x2=3x5 on {1,3} show f(x)= 10 without solving for x
asked by Mark 
U.S. GOVERNMENT
Consider the fact on Rousseau's idea that said that all men should have the right to take up arms against the government if it did not respect these rights and placed it in the Declaration of Independence and later added something similar as the 2nd
asked by Booker Perry 
math
I want to be able to buy a car with cash in 4 years. I have $5,000 that I can invest today. I can get a bond earning 6.5%. How much will I have for the purchase?
asked by ciara 
Physics
Young acrobats are standing still on a circular horizontal platform suspended at the center. The origin of the twodimensional Cartesian coordinate system is assumed to be at the center of the platform. A 30kg acrobat is located at (4 m, 9 m), and a 36kg
asked by Jeremy 
Physics
A woman driving her car approaches an intersection and begins to accelerate just as the traffic light turns green. Her velocity is the function of time described by the equation: v(t)=2t^28t+10 (A) Use calculus to find her instantaneous acceleration at
asked by Genny 
Physics
A block of mass 77.0kg is placed at the top of a frictionless plane that is inclined 46degrees to the horizontal. The height of the plane is 23.0meters. Find the speed of the block and the bottom of the plane. The correct answer is: 21.2m/s... I've tried
asked by Genny 
Finance
You just borrowed $15,000 from a bank. If you pay $4,000 at the end of each year over the next 5 years, you will pay off the loan. What is the interest rate on the loan?
asked by Brian 
early childhood
preschoolers use private speech 1 to influence others 2 to keep some of their ideas a secret 3 because it is more effecient 4 becoz it enables them to coommunicate new ideas is 3 correct
asked by reema 
Math (please help!)
1. θ is a first quadrant angle in standard position and cos 1/(sqrt10)= . Find the exact value of sin . 2. feta is a second quadrant angle in standard position and tan(feta) ((sqrt5)/2) = . Find the exact value of cos(feta) . 3. θ is an angle in
asked by noel 
Physics
A train consists of two carts and an engine. If m = 1000 kg, and the train is moving with an acceleration of 5.5 m/s2, find the tensions between the engine and the middle cart.
asked by 7861 
Physics
Give an example of an object that moves with constant acceleration and constant speed.
asked by Anonymous 
Physics
The density of a 5.0m long rod can be described by the linear density function λ(x) = 140 g/m + 14.8x g/m2. One end of the rod is positioned at x = 0 and the other at x = 5 m. (a) Determine the total mass of the rod. (b) Determine the centerofmass
asked by James 
statistics
An average office worker uses 10000 sheets of paper each year. Assume that the population standard deviation is 3000 sheets per year. Is it unusual for the office worker to use over 15000 sheets each year? What % of workers use at least 8000 sheets per
asked by patina 
geometry
Martha climbs 40 steps to reach the first floor of a building. If the vertical and horizontal distance of each step is 1.5 ft and 1 ft, find the distance between the start and end points of each step.
asked by jonathan 
physics
When an electron makes a transition from its first quantum level to the ground level, the energy difference is carried by the emitted photon. In comparison, how much energy is needed to return an electron at ground level to the first quantum level?
asked by Anonymous 
Math
A 6m ladder leans against a wall. The foot of the ladder is placed at an angle of elevation at 63 degrees with the ground. How far is the foot of the ladder from the wall?
asked by Anonymous 
algebra
The volume of a sphere is given by V(r) = 4/3*pi*r3. Find the volume of the sphere when the diameter is 8 m.
asked by Anonymous 
Physics
A block of mass 77.0kg is placed at the top of a frictionless plane that is inclined 46 degrees to the horizontal. The height of the plane is 23.0 meters. Find the speed of the block at the bottom of the plane. Please show all your steps, don't just
asked by Jen 
English
Posted by rfvv on Monday, June 11, 2012 at 7:53am. 1. Would you say hi to your mother? 2. Would you say hello to your mother? (Are both interchangable? Are both the same?) 3. He is also a good cook. 4. He can also cook well. 5. He also cooks well. 6. Also
asked by rfvv 
trig/math
Determine the period, amplitude and phase shift for each given function: A)y = 4 cos 3x + 5 B)y = 2/3 sin (30x90)10 c)y = 0.38 tan (x/3+pi/3) d)y = pi cos(2x)+ pi
asked by darshi 
Physics
A 5.5kg box is under an upward force of 45 N which makes a 60o angle with its normal. Find the magnitude of the horizontal acceleration. What is the normal force?
asked by 1234 
math
The kinectic energy E, of a toy car is directly proportional to the square of its velocity v. The difference in the kinectic energy of the toy car when it is travelling at 15cm/s and 20cm/s in 10 J. Find the kinectic energy of the toy car when it is
asked by Vinitha 
math
you write an equation to show 54 pupil in class,3 more boys than the number of girls
asked by leane hart garcia 
math
Solve for x. 3ln(x)2=16+7ln(e)
asked by Gloria 
Algebra II (Exponents)
Simplify: (8x^6 y^15)^1/3
asked by Greg B. 
nonmedical
a gun is fired from a distance of 1.2 km from a hill. The echo of sound is heard at same place after 7.1 seconds what is velocity of sound?
asked by edward 
statistics
drug company promises to help people lose at least 3 pounds per week. 15 people use the drug. they lose an average of 2.8 lbs per week with a standard deviation of .5lbs. is this a left tail or right tail and why?
asked by Anonymous 
nonmedical
a drop of oil of radius 020mm spreads on a circular film of diameter 20mm on the water surface. Estimate the size of molecule.
asked by edward 
Physics
A vector F of magnitude 30 N points 45 South of West directed away from the orgin. The x component of the vector in North is?
asked by Asia 
Math
if y=(x^2)/(x+4) find the values of x where there is a horizontal tangent
asked by Nancy.Sullivan 
Calculus
Given f(x)=x2+3x5 on [1,3] show f(x)= 10 without solving for x
asked by Mark 
Math  can someone help me to graph
graph x + 4y = 12
asked by Diane 
Art
Here is the last part of the same work. Thank you very much, Writeacher. 1) Rather that its utopian promise, Drexler’s book is remembered for the warning that as this technology developed it would be necessary to guard against the accidental release of
asked by John 
Physics
A particle moved along the x axis with a constant acceleration of 85.0 meters per second squared. The initial position of the particle was at the origin and its initial velocity was +325 meters per second. Find the position of the particle at T=4.0
asked by Jen 
math
State the domain and range for following: A) y=4x B) y=12 C) y=x^24x+1 D) y=x^2+2x+1 E) y=3x^3x^21 F) y=3x^3+x^21
asked by liban 
math
Determine if each function is even, odd or neither. Show all work and include an explanation of any symmetry that exists. A) y = x^4 + 4x^2 B) y = 3x^3  x  3 C) y = x^5  x^3 + x D)y = 3
asked by liban 
Physics
A 54.0kilogram block is placed on a plane that is inclined 32 degrees to the horizontal. The coefficient of static friction between the block and the plane is 0.573 and the coefficiencet of kinetic friction is 0.310. Find the acceleration of the block down
asked by Genny 
college ststistics
given x is a noramlly distributed random variable with a mean of 28 and a sd of 7 find p(x
asked by melba 
DeskToping
Always keep your _____ straight when holding the mouse. E. arms F. back G. wrists H. ALL OF THE ABOVE I got G. The ______ finger used to key the asterisk symbol. A. S B. !@#$%^& D. L I got C. The _____ keys are used to key symbols such as $ and % A. Alt B.
asked by Sarah 
DeskToping
If you press the ______ key , you will jump to the previous screen. A. Page Down B. Page Up C. Home D. End I got C. You should _______ insert a blank space before the percent symbol. A. always B. not C. occasionally D. NONE OF THE ABOVE I got B.
asked by Sarah 
computers
explain the scope of 6th sense technology in upcoming input & out\put devices
asked by alisha 
computers
what is the future of email in India after real time communications on social network
asked by alisha 
SS7R  Hw. Qs. Help  Aztecs
Which classes of people were equal to one another?
asked by Laruen 
statistics
How many infants should you sample if you want a margin of error of 10 minutes for a 95% confidence interval about the mean amount of sleep they get per day if the population standard deviation is assumed to be 96 minutes?
asked by patina 
English
1. We can help their son and daughter. 2. We can help their daughter and son. (Which one is generally used?) 3. This is a blouse and that is a shirt. 4. This is a blouse but that is a shirt. (Which one is grammatical?) 5. I like English or Korean. 6. She
asked by rfvv 
statistics
1 The ages of a population of 300 is normally distributed, with a mean of 45 and a standard deviation of 4. If you randomly selected a member of the population, what is the probablity that his or her age would be greater than 49?
asked by Gloria 
Chemistry Please HELP!
calculate the mass of each product formed if 10.0 g of the first reactant is reacted with 10.0 g of the second reactant: NCl3 + 3 H2O → 3 HClO + NH3 (Please show me full working out)
asked by Kevin 
calculus
Can someone explain how find the average rate change for these functions? 1.) f(x)=x^3+1 a (2,3) b.(1,1) 2.) h(t)= cot t a. pie/4, 3pie/4 b. pie/6, pie/2 I am so lost. T_T please help!
asked by littleman 
nonmedical
a particle with velocity u is moving with uniform accelration a. Distance moved by particle in the nth second is given by s= ut+a)2t1. What are the dimensions of s?
asked by edward 
Dame Pearlette Primary
when $40.00 is spent from 3/5 of peters money half his money is left. how much did he have at first?
asked by John 
Calc
If y=tanx2cosx Find y'(pi/3)
asked by H.Edmunds 
geometry
In exercises 1720, a single die is rolled one time. Determine the probability of rolling a number greater than 3 or less than 5.
asked by angela 
chemistry
how many gram of NaNO3 are in 25cm3 of 0.01m NaNO3 solution?
asked by peter 
Calculus
If y=tanx2cosx Find y'(pi/3)
asked by H.Edmunds 
U.S. GOVERNMENT
1) The debate over ratifying the US Constitution was won by the AntiFederalists. 2) The US government is based upon the force theory of state. 3) The evolutionary theory of states asserts that early nations developed out of the family structure,
asked by Booker Perry 
Art
Could you please check if everything is correct? Thank you. 1) In 1986, Eric Drexler published “Engines of Creation”, a scientific dissemination in which shows not only the theoretical bases of nanotechnology, but also a series of speculation about the
asked by John 
quadratic equations
6^28+41=
asked by kim 
Physics
Find the magnitude of the gravitational attraction force that the earth exerts on a 62kilogram astronaut who is 8.00 X 10^7 meters away from the center of the earth. Useful numbers: M^earth=5.98 X 10^24kg; G=6.67 X 10^11 N*m^2kg^2 Please walk me through
asked by Jen 
math
Construct the equations of the following trigonometric functions: A)A sine function with amplitude 2, period , phase shift /3 right B)A tangent function with a reflection in the yaxis, period ¾, translation up 5 units C)A cosine function with period
asked by darshi 
geology
which rock will not float in water? any guesses anyone?
asked by Carlos 
SUBTRACT POLYNOMIALS
(9X+8)(7X+9) IS ANSWER: 16X1?
asked by Adriana 
DeskToping
Use your _____ finger to key the number zero (0) I. Sem J. K K. F L. A I got I. All of the following should always be capitalized. EXCEPT. M. Months N. Proper names O. Seasons P. Titles I got O.
asked by Sarah 
physics
what is steradian?
asked by abhi 
DeskToping
Tgere should always be _______ spaces (s) after the period at the end of a sentence. A. 1 B. 1.5 C. 2 D. 2.5 I got A. To key a capital letter K, hold down the ____ key while pressing K key. A. Right Shift B. Right Alt C. Left Shift D. Left Alt I got C.
asked by Sarah 
Fluid Mechanics
The components and their dimensions of a hydraulic jack are shown in the figure. The specific gravity of the fluid in the jack is SG=0.8. A force F=400 N is applied at the left end of the handle, which is hinged at the right end. Determine: (a) The fluid
asked by Bob 
Fluid Mechanics
Water at 600F flows steadily through a horizontal circular divergent duct and discharges into the atmosphere as shown. A manometer with a fluid of SG=2.0 is placed between the two crosssections with diameters D1 = 0.5 ft and D2 = 0.7 ft. Assuming inviscid
asked by Bob 
Phsyics Plz Help
How many grams of carbohydrate does a person of mass 75 kg need to metabolize to climb five flights of stairs (15 m height increase)? Each gram of carbohydrate provides 17.6 kJ of energy. Assume 10.0% efficiency—that is, 10.0% of the available chemical
asked by Nasir 
Fluid Mechanics
Water enters a turbomachine at a velocity 12 ft/s. The flow occurs in the horizontal plane. The inside diameters of the inlet and exit pipes are 1 ft and 2 ft, and the gage pressures at the inlet and exit are 10 psi and 5 psi, respectively. The machine is
asked by Bob 
algebra
if a student rank in a class 400 is 87 waht id the student percentile rank
asked by marie 
Math
Can two different size rectangles have the same area? Explain.
asked by Ryan 
physics
Give an example of an object that moves in a direction opposite the direction of its acceleration
asked by Anonymous 
English
1. Would you say hi to your mother? 2. Would you say hello to your mother? (Are both interchangable? Are both the same?) 3. He is also a good cook. 4. He can also cook well. 5. He also cooks well. 6. Also he can cook well. 7. He can cook well also. (Are
asked by rfvv 
chemistry
chemical structure CH3C5H9
asked by jennefer 
English 2
Give two possible expository writing purposes. TOPIC: An historical figure Purpose #1 Purpose #2
asked by Taylor 
SS7R  Word
what is the navihation acts
asked by Laruen 
Math
What is an example of an equation for Celsius to Fahrenheit? I completely forgot the equation since i spend too much time doing summer things, but this is for Summer School, Please help me understand it again.
asked by Losa 
Physics
A wave on a string has a speed of 400 m/s. If the tension in the string is 131 N and its length is 3.5 m, what is the mass of the string?
asked by Alex 
Calc
Find values for a and b so f9x0 is continuous everywhere using the definition of continuiy if F9x) = 3 x less than/equal 1 ax+b 1
asked by H.Edmunds 
Calc last one
Given lim x>4 1/2x3 and E=.001 Find S that goes with this E
asked by H.Edmunds 
Algebra HELP!
If a sum of money is deposited in a savings account that is paying x percent annual interest (expressed as a decimal), then this sum of money increased by a factor of (1+x)^3 after 3 years. A. multiply this expression B. Evaluate the polynomial expression
asked by Adriana 
Ethics
Would Kant support having a baby in order to another life??
asked by Lette 
Physics help please!
The pressure of a fixed quantity of an ideal gas was held constant. The initial volume was 8.00 cubic meters and the final volume was 2.50 cubic meters. What was the final temperature in kelvins if the initial temerature was 188 degrees fahrenheit...
asked by Genny 
Math
(15  2x)0, for x = 3
asked by Shannon 
early childhood
words are 1 convenient communication shortcuts 2 not arbitrary symbols 3 unique to each individual in english 4 thoughts written down 4 is correct
asked by reema 
Statistics for Behavioral Sciences
A disease affects 9% of individuals in a population and a sample of 100 people is selected from the population. What is the probability of finding the disease in 15 people?
asked by Lindz 
geometry
In trapezoid ABCD, if the base DC = 16 and the base AB = 20 and E is the midpoint of AD and F is the midpoint of BC, what is the measure of EF?
asked by Anonymous 
algebra 1
solve for x: x^2+12x+4 = 0
asked by kathy 
history
What was World War 1 impact and aftermath in the Carribbean ?
asked by johnny 
early childhood
harborview preschool is designing its program to include lots of activities that develop writing skills. which would not be used for this specific purpose ? 1 dot to dot pics 2 tracing 3 cutting 4 gluing help me
asked by reema 
SS7R  HW Qs. Check (Q2)
who occupied the highest position in aztec society? ANSWER  Emperor right????
asked by Laruen 
computers
write the features of next generation micro processers
asked by alisha 
computers
future impact of mobile computing on desktop computing
asked by alisha 
English
1. Many icebergs were melting because of the global warming. 2. Many icebergs were melting because the globe was warming. ( Is #1 the same aas #2?) 3. He went mountainclimbing. 4. He went driving with his son. 5. he went cooking to the center. 6. He went
asked by rfvv 
English
1. I was full, but I still ate a lot of it. 2. I ate lots of them. 3. I like plenty of these. 4. I hate a lot of those. (Are they all grammatical? Thank you for your help.)
asked by rfvv 
Art
Writeacher, could you please check this sentence? Thank you. 1) The scientist could be consider as a “New Prometheus”: like fire, donated by Prometheus, could be for men a great resource, but at the same time a threat if they had not been able to
asked by John 
math
What is the value of an initial investment of $2300 after twelve years if the interest accrued is compounded quarterly, and the annual rate is 6.5%?
asked by Gloria 
math
What is the probablity of getting at least one head as a result of flipping 6 fair coins?
asked by Gloria 
history WW1
What was World War 1 impact and aftermath in the Carribbean ?
asked by johnny 
math
The sum of the first 5 natural numbers is 15 or (5)(6)/2. The sum of the first 21 natural numbers is 231=(21)(22)/2, and the sum of the first 30 numbers is 465. Use inductive reasoning to derive the formula for the sum of the first n natural numbers.
asked by Gloria 
French
I'm having difficulty with these two sentences. There is something wrong with them and I can't figure out what it is. I'm pretty sure it have to do with pluralization but I don't know what I'm doing wrong. Ils avaient un job. Ils travaillaient dans un
asked by Lissa 
Math Algebra Multiply
(a+3)^3 is answer: 3a+9a+9 12a+9
asked by Adriana 
math
The ages of a population of 300 is normally distributed, with a mean of 45 and a standard deviation of 4. If you randomly selected a member of the population, what is the probablity that his or her age would be greater than 49?
asked by Gloria 
math
using multipication and addtion,write the number of days in 2 months and 3 weeks
asked by leane hart garcia 
algebra 1b
Solve the problem by stating the equation you would use to solve and then solving it. After receiving discount of 12.5% on its bulk order of printer paper, johns office supply pays $3200 . what was the price of the order before the discount ? round to the
asked by Dee 
how children learn
According to behavior modification, how can a teacher or teacher aide change student behavior for the better?
asked by cindy 
SS7R  Hw. Qs. Help  Aztecs
CT  How does this graphic organzier suggest the importance of warfare in Aztec society? Give two examples. answer  well... um.... it explain the aztecs from the highest to lowest i need a bit help this is the graphic org.: emperor chosen by nobles and
asked by Laruen