Questions Asked on
November 23, 2016

Social Studies
How were the lives of white people in the North and the South alike and different?
asked by ms sue savage lmaoe 
Consider the linear programming problem
A farmer has a field of 70 acres in which he plants potatoes and corn. The seed for potatoes costs $20/acre, the seed for corn costs $60/acre, and the farmer has set aside $3000 to spend on seed. The profit per acre of potatoes is $150 and the profit for
asked by Edward Lee 
Calculus
A particle moves along line segments from the origin to the points (3, 0, 0), (3, 3, 1), (0, 3, 1), and back to the origin under the influence of the force field F(x, y, z) = z2i + 2xyj + 3y2k. Find the work done.
asked by Anon 
math
the perimeter of a farm is187.2m .if its width is 39m,then find the ratio between its length and width.
asked by ratios 
English
Unit 4 Lesson 4: Writing Workshop: Compare & contrast essay I have to compare Nethergrave with something that's science fiction, from a book, movie, or even a video game... Any ideas what I should compare Nethergrave with?
asked by Shia LaBeouf 
Calc
Evaluate the surface integral S F · dS for the given vector field F and the oriented surface S. In other words, find the flux of F across S. For closed surfaces, use the positive (outward) orientation. F(x, y, z) = y i − x j + z2 k S is the helicoid
asked by Anon 
Science
A piece of wood float on water and sinks in a methylated spirits .if the density of the wood is 0.8g/cm,explain why it would float on water and sink in methylated spirits .what can you say about the methylated spirit
asked by Raymond 
Algebra 2 (Please help Ms. Sue!)
Use synthetic division and the given factor to completely factor the polynomial. x^3x^224x36; (x6) How do I do this?
asked by Olivia N J 
science
parasitic worm infestation is hypothesized to be damaging to the host. However scientists have recently discovered that worm infestation of certain autoimmune disorders. in which of the following ways should the hypothesized to be modified , given the new
asked by mae 
social studies
The Athenian assembly appointed 10 generals who a. collected taxes b. led armies into battle c. carried out the assembly's law d. tried to increase trade I think its B
asked by bianca 
physical education
what are the reason for the olympic games to be largest of all sporting events
asked by ahmedin 
Darwin Assumed that evolutionary change was always
Darwin Assumed that evolutionary change was always slow and gradual.
asked by lol 
Physics
Suppose that at least 14.7 eV is needed to free an electron from a particular element, i.e., to ionize the atom. What is the lowest frequency photon which can accomplish this? And, what is the corresponding wavelength for that photon?
asked by Niki 
Calculus
Use Stokes' Theorem to evaluate C F · dr where C is oriented counterclockwise as viewed from above. F(x, y, z) = yzi + 9xzj + exyk, C is the circle x2 + y2 = 1, z = 3.
asked by Anon 
simplex method
Maximize P=60x+50y. ⎧ ⎪x+y≤80 ⎪ ⎪5x+10y≤560 ⎪ ⎪50x+20y≤1600 ⎪ ⎪x≥0 ⎨ ⎪y≥0 ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎩ Use the simplex method to solve the problem. Use s, t, and u as your slack variables for the first, second, and third
asked by Anonymous 
Science
Mammals whose young develop in a pouch on the mother's body are called: a.placental mammals b.monotremes c.marsupials d.gymnosperms thx
asked by Nonya 
Math aglebra
I need help RIGHT NOW!!!!!!!!!!!!!! On the blueprints of Adam's office building, the length of his rectangular office space is 5 1/4 inches. If the actual length of Adam's office space is 10 1/2 feet, what is the scale of the blueprint?
asked by Chelsea 
mathematics
a survey of reading habits of 100 students showed that 30 read both comics and novels. 10 read neither comics nor novels and twice as many students read comics as read novels. 1. illustrate the information on a Venn diagram. 2. how many students read only
asked by Anonymous 
historyasap
How revolutionary was the Scientific Revolution? Provide at least three examples as evidence to support your opinion. I need help answering this.
asked by evelyn 
The Graphical Method
A manufacturer produces two models of mountain bikes. Model A requires 5 hours of assembly time and 2 hours of painting time, and Model B requires 4 hours of assembly time and 3 hours of painting time. The maximum total weekly hours available in the
asked by FARINTI 
Calc
Use Stokes' Theorem to evaluate C F · dr where C is oriented counterclockwise as viewed from above. F(x, y, z) = yzi + 9xzj + exyk, C is the circle x2 + y2 = 1, z = 3.
asked by Taylor 
Science Physics
An air plane flies 20 km in a direction 60 degree west of north then 40 km straight east and then 10 km in a direction 30 degree north of east . How far and at what direction is the plane from the starting point?
asked by Kundan Subedi 
Calc
Evaluate the surface integral S F · dS for the given vector field F and the oriented surface S. In other words, find the flux of F across S. For closed surfaces, use the positive (outward) orientation. F(x, y, z) = xy i + yz j + zx k S is the part of the
asked by Taylor 
Language Arts
Which word in the following sentence is modified by an adverb? The baby crawled slowly toward her favorite toy. A.Crawled B.Baby C.Favorite D.Toy
asked by Sid.V 
Algebra 2 (Please help Ms. Sue!)
Use the Remainder Theorem to find the remainder when P(x)=x^49x^35x^23x+4 is divided by x+3. How do I do this?
asked by Olivia N J 
Language Arts
Which resource would be most helpful in finding a synonym for sentimental? A. a thesaurus*** B. a dictionary C. an article D. an anthology
asked by Sid.V 
Algebra 1 A
I am a little unsure of how to answer this question: Write an inequality to represent the limit you may not exceed when spending to make your product. Here's the background information I have. You are going to decide on a summer business to start. Figure
asked by Cassidy (Please help me Mrs. Sue) 
Chemistry
A 2.00L flask was filled with 4.00 mol of HI at a certain temperature and given sufficient time to react. At equilibrium the concentration of H2 was 0.400 M. Find the equilibrium concentrations of I2 and HI and then find the Keq at this temperature 2HI(g)
asked by Jessica 
science
a stone is dropped from the tower of hight 125m; calcute (1) Time taken to reach the ground. (2) Find velocity of stone.
asked by Pankaj Kumar 
Statistics
A box contains 4 red marbles and 5 blue marbles. Michelle picks 3 marbles at a random. If Z is the random variable, representing the number of blue marbles picked from the box. Do the ff: A. Express the probability function in tabular and formula form. B.
asked by Eggy 
Algebra
I am a little unsure of how to answer this question: Write an inequality to represent the limit you may not exceed when spending to make your product. Here's the background information I have. You are going to decide on a summer business to start. Figure
asked by Cassidy 
business maths
Susan would like to set up an endowment fund which would award a student with a scholarship of $500 at the end of each year. The scholarship will continue in perpetuity. The interest rate is 6% compounded semiannually, and the first award is made one year
asked by kiran 
Language Arts
Which sentence use coordinate adjectives? A. Talia wore a pink, striped shirt.*** B. Talia wore a shirt, shorts, and shoes. C. Talia wore a pink shirt with stripes. D. Talia wore a pink shirt and shorts yesterday.
asked by Sid.V 
Chemisty
2C2H6(g) + 7O2(g) = 4CO2(g) + 6H2O(g) How many L of oxygen gas is needed to produce 18.0 L of CO2
asked by Alexis 
Language Arts
Which word in the following sentence is a possessive pronoun? Joe's sister showed me the new puppy her family adopted. A.her*** B.Joe's C.me D.sister
asked by Sid.V 
Linear Programming
A farmer is going to divide her 60 acre farm between two crops. Seed for crop A costs $20 per acre. Seed for crop B costs $10 per acre. The farmer can spend at most $700 on seed. If crop B brings in a profit of $60 per acre, and crop A brings in a profit
asked by josh 
physics
A boy has a mass 40kg and a girl of mass 30kg play on a seesaw, where must the girl sit to make it balance?
asked by atiyya 
Further mathematics
Given that x squared + y squared = 5xy,show that; (a) 2log(x+y\√7)=log x + log y. (b). Log ( x y\√3) = 1\2( log x + log y)
asked by Anonymous 
math
Four friends contribute sums of money to a charitable organization in the ratio of 2:4:5:7. if the largest amount contributed is $1.40, calculate the total amount contributed used by the four people?
asked by andrew 
Math
An angle θ satisfies the relation csc θ cos θ = 1. A) Use the definition of the reciprocal trigonometric ratios to express the left side in terms of sin θ and cos θ. B) What is the relation between sin θ and cos θ for this angle? C) Determine two
asked by Kelly 
Math
I am a little unsure of how to answer this question: Write an inequality to represent the limit you may not exceed when spending to make your product. Here's the background information I have. You are going to decide on a summer business to start. Figure
asked by Donut Holstein 
Calc
Evaluate the surface integral S F · dS for the given vector field F and the oriented surface S. In other words, find the flux of F across S. For closed surfaces, use the positive (outward) orientation. F(x, y, z) = x i + y j + z4 k S is the part of the
asked by Anon 
Calc
Use Stokes' Theorem to evaluate C F · dr where C is oriented counterclockwise as viewed from above. F(x, y, z) = xyi + 5zj + 7yk, C is the curve of intersection of the plane x + z = 8 and the cylinder x2 + y2 = 9.
asked by Anon 
Math
The distance between two stars is 0.009 light years. A light year is equal to 5.88 x 10^12 miles. What is the distance,in miles, between the two stars? Represent your final answer in scientific notation
asked by Stefanie 
chemistry
give the name of the process when anhydrous copper sulphate becomes wet
asked by augustine 
Calculus
An object at the origin at time t= 0 has velocity measured in meters per second, v(t) = t/30 if 0
asked by Anonymous 
chemistry
normality of a solution containing 2g sodium carbonate in 250mL solution
asked by silpa 
Analytical chemistry
Calculate the expected concentrations of vitamin B6 and caffeine in the stock solution assuming exactly 0.0506 g of pyridoxine hydrochloride (vitamin B6) and 0.1253 g of caffeine are dissolved in a 100 mL volumetric flask.
asked by Angel 
vertical motion physics
a body projected vertically up from ground crosses a point Pafter 4 seconds and again after 6 seconds Maximum height reached by that body above the ground is (g=10m/s)
asked by devi 
physics
Does the kinetic energy of a car change more when it speeds up from 10 to 15 m/s or from 15 to 20 m/s? Explain.
asked by Anonymous 
Linear Programming to Maximize Profit
Brian runs a factory that makes Bluray players. Each S100 takes 6 ounces of plastic and 4 ounces of metal. Each D200 requires 3 ounces of plastic and 8 ounces of metal. The factory has 300 ounces of plastic, 608 ounces of metal available, with a maximum
asked by clair 
Calc
Evaluate the surface integral S F · dS for the given vector field F and the oriented surface S. In other words, find the flux of F across S. For closed surfaces, use the positive (outward) orientation. F(x, y, z) = xy i + yz j + zx k S is the part of the
asked by Anon 
Algebra 2
One hundred liters of a 57.84% acid solution is obtained by mixing a 75% solution with a 42% solution. How many liters of each must be used to obtain the desired mixture? A) 40 liters of 75% acid and 60 liters of 42% acid B) 53 liters of 75% acid and 47
asked by Lewis 
Calc
Use Stokes' Theorem to evaluate C F · dr where C is oriented counterclockwise as viewed from above. F(x, y, z) = xyi + 5zj + 7yk, C is the curve of intersection of the plane x + z = 8 and the cylinder x2 + y2 = 9.
asked by Taylor 
Calc 3
Evaluate the surface integral S F · dS for the given vector field F and the oriented surface S. In other words, find the flux of F across S. For closed surfaces, use the positive (outward) orientation. F(x, y, z) = x i + y j + z4 k S is the part of the
asked by Anon 
Math
Evaluate the surface integral S F · dS for the given vector field F and the oriented surface S. In other words, find the flux of F across S. For closed surfaces, use the positive (outward) orientation. F(x, y, z) = x i + y j + z4 k S is the part of the
asked by Anon 
wirting
how to use APA citing on the following phase "The movie Silver Linings Playbook"
asked by Anonymous 
Maths
How long will it take for prices to double if inflation rate is 6% per annum for the next 15 years
asked by Lesiba 
English
1. I happened to meet he on the sidewalk. 2. I chanced to meet her on the sidewalk. 3. I met her on the sidewalk by chance. 4. I met her on the sidewalk by accident. 5. I met her on the sidewalk by happen.  Are they all the same in
asked by rfvv 
maths
If the ninety term of an A.P is 30, find the Sum of its first seventeen terms
asked by bhavika 
physics
Does the kinetic energy of a car change more when it speeds up from 10 to 15 m/s or from 15 to 20 m/s? Explain.
asked by Anonymous 
mathIS MY ANSWER RIGHT?
Evaluate the surface integral S F · dS for the given vector field F and the oriented surface S. In other words, find the flux of F across S. For closed surfaces, use the positive (outward) orientation. F(x, y, z) = x i + y j + z4 k S is the part of the
asked by Anon 
Math
Bart and Bethany play a game. They each roll a regular 6sided die labeled 1to 6. Use an outcome table to show all possible outcomes: (2 marks) is the total number of outcomes 12?
asked by maddy 
Gaussian Elimination Method
Write the system of equations as an augmented matrix. Then solve for x and y. 5x4y=12 5x+3y=9
asked by jimmy 
Math
A trapezium measures 9.5cm (b1) 17cm (b2) & 6cm (h). Now, divide the trapezium into a rectangle & a triangle to find their areas. Hence, find the area of the trapezium.
asked by Austin 
math!
You have 48 minutes to take an exam of 21 questions. After you finish the first 10 questions, you realize you must answer the remaining questions twice as fast to finish the exam. How many questions per minute were you answering? Also, how many questions
asked by Lewis 
Maths
Two masses are connected by a light cord over a frictionless pulley. is M1 = 8.5kg and m2 = 6.6 kg. calculate the tension in the cable (in N) . Take the coefficient of kinetic friction between M and the horizontal surface to be 0.4 and asume the
asked by IBZ 
Economics(pls Help)
Zoe Goggles is a deep sea underwater photographer. Her camera and lenses are valued at $4,000. There is a chance of 1/20 that she will lose her equipment on a dive over the course of the year. Her wealth, including the value of her equipment, is $30,000.
asked by Anonymous 
Physics
While analyzing a sample of one, geologist finds that it weighs 2n in air and 1.3N when immersed in water. Calculate the density of the one
asked by Jenner 
maths
Find the two natural no in the ratio of 5:7 such that it's lam is 210 with method
asked by sanjay 
physics
Find the gravitational force of attraction between two balls each weighing 10 kg,when placed at a distance of 1 meter apart
asked by saddam 
Algebra 2
One hundred liters of a 57.84% acid solution is obtained by mixing a 75% solution with a 42% solution. How many liters of each must be used to obtain the desired mixture? A) 40 liters of 75% acid and 60 liters of 42% acid B) 53 liters of 75% acid and 47
asked by Lewis 
Math
Consider ∠C such that sin C = 7/25 a) What are the possible quadrants in which ∠C may lie? b) If you know that cos C is negative, how does your answer to part a) change? c) Sketch a diagram to represent ∠C in standard position, given that the
asked by Ahmed 
math
I think of a number,multiply it by 3 and add 7.i get the Same answer if I multiply the number by 4 and subtract 12.find the number
asked by Juli 
Calculus
Find all values of c that satisfy the Mean Value Theorem for integrals for f(x)= x^{2} on the interval [3, 3]
asked by Anonymous 
Physics
A ball thrown downward with an initial velocity of 20m/s.what will be itsvelocity after 5s
asked by Subhasong 
English
1. He was flying above the clouds. 2. He was flying over the clouds. (Are both the same in meaning?) 3. The bird is flying to the south above the clouds. 4. The bird is flying to the south over the clouds. (Is there any diferences between them?) 5. The
asked by rfvv 
English
Posted by rfvv on Tuesday, November 22, 2016 at 12:22pm. An airplane is a vehicle with wings and one or more engines that enable it to fly through the air  In this sentence, what does 'it' refer to? Does 'it' refer to 'an airplane'
asked by rfvv 
Englishchange the sentences into passive voice
1.Rita is writing a story. 2.I was buying vegetables. 3.seema was eating apples. 4. The family was watching a cricket match.
asked by Bhushita 
Physics
You are given five identical resistors each of resistance r. How can you arrange all these resistors (in series, in parallel, or both) in order to have an equivalent resistance of 7r/2, 7r/3 or 2r
asked by Sarah 
science
How much work is done by the system if the internal energy decrease by 100j when 200j applied to the system
asked by Haopu 
Calculus
The radius of a conical tank is 2.7 meters and the height of the tank is 4.3 meters. Water is flowing into the tank at a constant rate of 59.5 m3/minute. At the instant the the depth of the water is 0.6 meters, answer the following: (A) At what rate is the
asked by Anon 
Physics
How could you use 100 pounds of force to lift a 200 pound weight? Explain precisely, listing any necessary distances and details. (This will take some converting!) I don't understand this question, could someone please help me? I think I only need the
asked by Nathaly 
Calculus
Find the biggest value of c that satisfy the Mean Value Theorem for integrals for f(x)= 1/(x+1)^6 on the interval [0,7]
asked by Anon 
physics
a curve along the highway is to be banked for traffic expected to move at 80km/hr. find the angle of banking if the radius of the curve is 100 meters
asked by denver 
science
Two rods of equal length and temperature at end of the rods is T1 and T2. What is the condition for equal flow of heat through them
asked by gayathri 
Math
The figure is made up of two rectangles measuring 7cm by 3 and a square of side 4cm. Find the area of the figure.
asked by Austin 
pre calculus
Use the following vectors to answer the question. u: v: What is v2?
asked by Anonymous 
pre calculus
Use the following vectors to answer the question. u: v: What is the projection of u onto v?
asked by Anonymous 
Math
The relationship of red ribbons to green ribbons is 10 : 1/4. How mini red ribbons are used for every 4 1/2 green ribbons?
asked by Tina 
English
They are closings at the end of a letter 1. Yours sincerely 2. Sincerely 3. Sincerely yours 4. Faithfully yours 5. Faithfully 6. Truly yours 7. Truly  I know that 'Sincerely' is used. What about #5 and #7? Can they be used as
asked by rfvv 
Science
A 8.8kg object is moving at 5.3 m/s. A 7.4N force is applied in the direction of motion and then removed after the object has traveled 4.7 m. The work done by this force is:
asked by Ahmad 
Ptofit and Loss
If oranges are bought at $60.00 per dozen and sold at $10 each. What is the profit or loss
asked by Keanna 
English
1. Spring is still a long way off. 12. Spring is still a long way away. 2. Spring is still far off. 3. Spring is still far away.  Can we use all the sentences?
asked by rfvv 
English
The Personal Manager Cratex Ltd. 21 Firside Road Birmingham B15 2RX  This is a recipient's address for a formal letter. What is the meaning of "B15 2RX"? This one is from the UK for a formal letter sample.
asked by rfvv 
فيزياء
A 8.4kg block is lifted vertically 9.0 m at constant speed by a boy. The work done by the boy is about:
asked by Ahmad 
Business management
Technology factor of L'Oreal
asked by Prosperity 
Calculus
The number of people expected to have a disease in t years is given by y(t)=A•3^(t/4) i) if now year(2016) the number of people having disease is 1000, find the value of A? ii) how many people expected to have the disease in five years? iii) when are
asked by Shah 
help me plz
Evaluate (if possible) the vectorvalued function at the indicated value of t. r(t) = rt{t}i + [t^(3/2)]j + [e^(t/4)]k at t = [9 + delta(t)] show me step plllllz
asked by putman 
Calculus
find the point(s) of inflection on the function f(x)= 10x + 10/x
asked by matt 
Calculus
determine all asymtote(s) of f(x)= 1/(x(x1)^2) using limits
asked by matt 
Math grade 9
James and slyvie need to paint the line around the soccer field. To know how much paint to buy they must find out the perimeter of the field. James claims, "I can calcuate the perimeter of the field by using the formula P= 2(l+w) while slyvie says that the
asked by Please can someone explain 
Physics
A water tank is20m deep if the water barometer reads10m at that place then what is the pressure at the bottom of the tank in atmosphere
asked by Vijay 
Physics
A water tank is 20 metre Doon Ek Baar water barometer is estimated that Palace then what is the pressure at the bottom of the tank in atmosphere
asked by Vijay 
Maths
Calculate the total amount (loan and interest)to be paid on a loan of N1 000.00, borrowed for 2 years at a simple interest rate of 10% p.a.
asked by Funbi 
algebra~help me
18^(44y)=54(sqrt(2))^(3y2) step plz help me
asked by Anonymous 
HCC
An investment is made at 77% interest for 1 year. It grows to â€‹$3509.60. How much was originally investedâ€‹ (the principal)?
asked by zeca 
Calculus
If f(x) = integrate t^2 from x to x^2, then f'(x)= f'(1)= Please help! I have no idea how to approach this.
asked by Anonymous 
Math
Solve the set of linear equations by the matrix method. a+3b+2c= 3, 2ab3c= 8, 5a+2b+c=9, solve for a
asked by Tunde 
Math
The number of diagonals D I a polygon of n sides is given in the formula D=n(n3)/2. Use the formula to find: A. The number of diagonals in a polygon with 9 sides. B. The number of sides of a polygon with 90 diafonals.
asked by Raven 
homework
There are 13 fewer pigs than goats on the farm. There are 8 pigs. How many goats are there?
asked by adam 
texas history
i need help on figuring out a topic "The topic of your report must be an issue that is being addressed by both the state and federal government"
asked by lauren 
English
1. The helicopter is flying over the clouds. 2. The helicopter is flying above the clouds.  What is the difference between them?
asked by rfvv 
math
8x+9y=40 5x+3y=10
asked by ismail 
physics
A girl uses a spanner of length 20cm to tighten a nut. IF she pulls at right angles to the end of the spanner with a force of 50N, calculate the moment of her pull
asked by atiyya 
English
80 Green Road Mosely Birmingham B13 9PL  This is a sender's address. What is the meaning of 'B13 9PL'? This address for a formal letter is from the UK>
asked by rfvv 
MATH
The length of three sides of a triangle are (x+1)cm 2xcm and 3x+1)cm its perimeter is 30cm. Find the value of x and the length of wach sides of triangle
asked by Julaine 
Math
If a car travels 180km in 4hrs how much time will it take to cover 400km
asked by Mohammed Zayed Ali 
Science
How does a cockroach protect itself?
asked by SCIENCE HELP 
Physics
How could you use 100 pounds of force to lift a 200 pound weight? Explain precisely, listing any necessary distances and details. (This will take some converting!) I don't understand this question, could someone please help me? I think I only need the
asked by Nathaly 
algebra
Three times the difference of two numbers is 3 more than the larger and three times their sum is less than 8 Times the smaller by 2 .find the numbers
asked by komal 
Algebra 2
You have 48 minutes to take an exam of 21 questions. After you finish the first 10 questions, you realize you must answer the remaining questions twice as fast to finish the exam. How many questions per minute were you answering?
asked by Lewis 
Trigonometry
All values of theta are positive. From left to right, the first peak occurs at (pi/2,1) and the second peak occurs at (9pi/2). A. Write the graphs equation as a cosine function. B. Write the graphs equation as a sine function.
asked by Mark 
calculus
Find the domain of the vectorvalued function. r(t) = sin ti + 4 costj + tk plz help me working
asked by .... 
Calculus
Find the average value of the function defined by f(x)= x^2 sin 3 x^3 on the interval [0, 3rd Root (pi)]
asked by Abby 
English
WHen the question asks, what is the basic premise of the environmental act. What is it asking me for, what it covers? I interpreted as what it covers but when i searched up the definition for premise, it said previous statement or base of argument. So now
asked by AA 
Chemistry
How would I make a 93.1% w/w solution from 96% sulfuric acid using volume
asked by Pam 
Physiscs
A 3kg bar is laying on a smooth vertical wall of 3L of height and a floor of 2L. Determine the force that the wall exerts over the bar. I have tried to get to length of the bar by using Pitagoras but no, then I tried using a free body diagram but I don't
asked by Angela 
Find the solution to the system of equations:
Are my answers correct? x2y+z=1 y+2z=2 x+y+3z=3 Solution : 100 010 001 x = 0.429 y = 0.429 z = 0.714
asked by nagano 
math
2+3Log a
asked by Collins 
physics
A stone of 400g is whirled by a string of length 2.8m so that it moves in horizontal circle of radius 0.7m.find the tension on the string.
asked by valenten 
Gaussian Elimination Method
Is my answer correct? Write the system of equations as an augmented matrix. Then solve for x and y. −4x−y=6 12x2y=8 Solution = 1,2
asked by plummer 
pre calculus
Use the following vectors to answer the question. u: v: What is u2?
asked by Anonymous 
pre calculus
Given: u and v Find: (u • v)(u + v) ________________________________________
asked by Anonymous 
algebra
A number is double of another number.If the difference of the number is twenty, find the number.
asked by pranjita 
calculus
how do you work out what u2 is when you are given u: and v:
asked by Anonymous 
Calculus  Fundamental Thm of Calc
Suppose F(t) is an antiderivative of t^{3}. Then F'(t)= t^3. According to the Second Fundamental Theorem of Calculus, x ∫ (t^3)dt = ??? 1 Answer using the function F
asked by James 
system of equations
Write the system of equations as an augmented matrix. Then solve for x and y. 4xy=6 12x2y=8
asked by FARINTI 
Calculus  fundamental theorems
d/dx integral e^t^2 dt from 1 to x^3 Please help. I think I'm supposed to use substitution for the x^3 and then apply the chain rule but I'm not sure how to do that.
asked by Adam 
Economics(Help)
Nancy is indifferent between a gamble that pays $625 with a probability of 20% and $100 with a probability of 80%, versus a sure payment of $269. She is also indifferent between another gamble that pays $269 with a probability of 50% and $10 with a
asked by Daniel 
science
what makes us cry while chopping the onions?
asked by shall 
Physics
A 5 gm bulet initial velocity is 300ms1 and after penetrating a 5cm plank then the bulet stopped . So how much time is needed to penetrate the plank..?
asked by Alvi 
pre calculus
Can you explain how to find (u • v)(u + v) when u and v
asked by Anonymous 
English
1. I still could not understand him. 2. I still don't understand. 3. He was still waiting for her . 4. He has still been looking for the kid.  Is the position of 'still' correct? Are they all acceptable in terms of grammar?
asked by rfvv 
pre calculus
can you please explain what steps you take to find u2 when u: v: ?
asked by Anonymous 
Math
Draw four non_collinear points on a paper and draw all possible line segments. How many line segments can be drawn.
asked by Diya 
math
what divided by 7 equals 15
asked by alex 
English
Q1. Does a recipient's address mean a receiver's address? Q2. Are the following all correct? They are for the date under the sender's address? 1. 29/4/92 2. 29th March 1992 3. 29 March 1992 4. 4/29/92 5. March 29th, 1992 6. March 29, 1992 (#1,2, and 3 seem
asked by rfvv 
Differential calculus
Sketch the graph of the curve y=(x2)(x+1)(x+3)
asked by Mohammed 
Math please explain how to do this
how do I find the value of x in the following: (x520,000)/[(800,000+880,000)/2]=
asked by Patte 
math
How do you use a conversion chart?
asked by noob leaner 
algebra
The difference between the length and the breathe of a rectangle is 12 m.the perimeter of a rectangle is 144m.find the dimensions.
asked by komal 
algebra
The sum of the two digits of a number is 11 .the difference between the original number and the number formed by interchanging the digits is 9 .find the number.
asked by komal 
Physics
A force F =(8.700 N)i +(−9.000 N)j F→=(8.700 N)i +(−9.000 N)j is exerted on a particle located at r=(−8.400 m)i +(7.700 m)j r→=(−8.400 m)i +(7.700 m)j. What is the torque on the particle about the origin?
asked by Grace 
Math
How to you write an equation of a line with no slope and no points?
asked by Janelle