Questions Asked on
June 23, 2013

Physics
You are given vectors A = 5.0i  6.5j & B = 3.5i + 7.0j. A third vector C lies on the xyplane. Vector C is perpendicular to vector A, & the scalar product of C with B is 15.0. From this information, find the components of vector C.
asked by Cathy 
statistics
the probability that a football game will go into overtime is 17%. In 240 randomly selected football games, what is the mean and the standard deviation of the number that went into overtime
asked by erin 
math
6) The annual precipitation amounts in a certain mountain range are normally distributed with a mean of 88 inches, and a standard deviation of 10 inches. What is the likelihood that the mean annual precipitation during 25 randomly picked years will be less
asked by Anonymous 
math
Catherine borrowed $19,000 on June 20, at 10% interest. If the loan was due on September 17, what was the amount of interest on the loan using the exact interest method?
asked by amy 
Physics
While playing a game of billiards, your 0.50 kg cue ball, travelling at 1.9 m/s, glances off a stationary 0.30 kg billiard ball so that the billiard ball moves off at 1.3 m/s at an angle of 32º clockwise from the cue ball’s original path. What is the
asked by Jong 
physics
An eagle is flying horizontally at 6.8 m/s with a fish in its claws. It accidentally drops the fish. (a) How much time passes before the fish's speed doubles? (b) How much additional time would be required for the speed to double again?
asked by louis aaaa 
Math
Find the amount of the principal on a loan at 6% interest for 274 days if the interest was $68.50, using the ordinary interest method.
asked by Krystle 
Physics
A hotair balloon is accelerating upward under the influence of two forces, its weight and the buoyant force. For simplicity, consider the weight to be only that of the hot air within the balloon, thus ignoring the balloon fabric and the basket. The hot
asked by Name 
Physics
If the total mass of the hydrogen in the hindenburg zeppelin was 18000kg, what volume did the hydrogen occupy?
asked by Haime 
Physics
A hotair balloon is accelerating upward under the influence of two forces, its weight and the buoyant force. For simplicity, consider the weight to be only that of the hot air within the balloon, thus ignoring the balloon fabric and the basket. The hot
asked by Name 
education
In a minimum of 300 words, discuss at least five selection criteria you would use to “weed” the sites, explaining why you chose the criteria you
asked by valentina 
physics
two stones are dropped simultaneously into a calm pool of water. The crests of the resulting waves form equally spaced concentric cicles, as shown in the figures. The waves interact with each other to create certain interference patterns. explain why the
asked by Anonymous 
business math
If the interest rate is 3% and a total of $4,370.91 will be paid to you at the end of 3 year, what is the present value of that sum.
asked by Jackie 
physics
vicky walks 8km east, the 5km south and final 6km west. find her final displacement
asked by Vanne 
statistics
The pucks used by the National Hockey League for ice hockey must weigh between 5.5 and 6.0 ounces. Suppose the weights of pucks produced at a factory are normally distributed with a mean of 5.75 ounces and a standard deviation of 0.11 ounce. What
asked by david 
Math 61
Find the arc length of the curve y^3=8x^2 fr0m x=1 to x=8.
asked by James 
statistics
2. Bender electronics buys keyboards for its computers from another company. The keyboards are received in shipments of 100 boxes, each box containing 20 keyboards. The quality control department at Bender Electronics first randomly selects one box from
asked by david 
conceptual science
In the absence of air resistance, a ballplayer tosses a ball straight up. (a) By how much does the speed of the ball decrease each second while it is ascending? (b) By how much does its speed increase each second while it is descending? (c) How does the
asked by Brenda 
Math
Price of article = $315.50 Down payment = $31.55 Monthly payment amount = $16.50 Duration of payments = 20 months True annual interest rate to the nearest tenth= %
asked by sarah 
Statistics
According to the American Automobile Association (AAA), the mean cost of a gallon of regular unleaded fuel in 2007 was $2.835. AAA noted that the standard deviation of the fuel price was $0.15. A random sample of n=100 gas stations is selected and the mean
asked by Jerome 
statistics
Page 1 of 2 4. Despite all efforts by the quality control department, the fabric made at Benton Corporation always contains a few defects. A certain type of fabric made at this corporation contains an average of .5 defects per 500 yards. Using the Poisson
asked by david 
Business Math
Kiddie Kites buys Japanese kite kits with a list price of $6,500. If the supplier offers trade discounts of 30/15/15, find the trade discount amount to the nearest cent.
asked by Tee 
Physics
A block of mass m1 is on top of a block of mass m2. Block 2 is connected by an ideal rope passing through a pulley to a block of unknown mass m3 as shown. The pulley is massless and frictionless. There is friction between block 1 and 2 and between the
asked by Rose 
statistics
6. According to the records of Enersource, an electric company serving the Mississauga area, the mean electricity consumption for all households during winter is 1650 kilowatthours per month. Assume that the monthly electricity consumption during winter
asked by david 
maths
calculate the volume occupied by 5.25 gram of nitrogen at 26 degree Celsius and 74.2 cm of pressure
asked by deepu 
physics
A 73kg human sprinter can accelerate from rest to 12m/s in 2.7s . During the same interval, a 27kg greyhound can accelerate from rest to 19m/s .
asked by Anonymous 
physics
A volleyball is spiked so that it has an initial velocity of 12.0 m/s directed downward at an angle of 53.2 ° below the horizontal. What is the horizontal component of the ball's velocity when the opposing player fields the ball?
asked by louis aaaa 
Physics
Air in a balloon does 50 J of work while absorbing 70 J of heat.What is its change in internal energy?
asked by Haim 
statistics check
Consider the following bivariate data. Point A B C D E F G H I J x 3 4 2 1 7 2 1 0 4 2 y 1 7 3 3 6 6 5 0 6 2 (b) Calculate the covariance. (Give your answer correct to two decimal places.) 5.35 was my answer . (c) Calculate sx and sy. (Give your answers
asked by tracy 
statistics
According to the Journal of the American Medical Association, the doctors found that in the week before and the week after Thanksgiving, there were 12,000 total deaths and 6062 of them occurred in the week before Thanksgiving. Construct a 95% confidence
asked by Jerome 
principles of management
Which of the following is an example of an internal stakeholder of an organizations
asked by Anonymous 
matsh
The picture below shows a figure in the complex plane, consisting of two circles of radius 1, with centers (3,0) and (−3,0) and a lower half of the circle of radius 2 with the center (0,−23√). Find the number of positive integers n≤1000, such that
asked by Anonymous 
Physics (Stress & Strain)
A uniform bar 1.900m in length and having a cross sectional area of 10.500cm^2 is subject to a loading of 5550.000N. This load causes an extension of the bar length of 1.100mm. Calculate the stress and strain produced. Stress = Load/ Area Strain = Change
asked by Danny 
Physics
The builders of the Great Pyramids of Egypt are thought to have used ramps to move the large 20,000 kg (22 ton) stone blocks into place at the construction site. To reduce friction, the Egyptians are assumed to have used rollers between the ramp and each
asked by Anonymous 
physics
A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +3.2 m/s and ax = +1.9 m/s2. The y components of the puck's initial velocity and
asked by louis aaaa 
English
I got an A+,  Congratulations! I'm so happy for you. (What is the meaning of 'for' in the last sentence? What is the similar sentence, #1 or #2?) 1. I'm so happy thanks to you. 2. I'm so happy about you.
asked by rfvv 
physics
A skateboarder, starting from rest, rolls down a 13.4m ramp. When she arrives at the bottom of the ramp her speed is 6.14 m/s. (a) Determine the magnitude of her acceleration, assumed to be constant. (b) If the ramp is inclined at 32.6 ° with respect to
asked by louis aaaa 
statistics
3. Magnetic resonance imaging (MRI) is a process that produces internal body images using a strong magnetic field. Some patients become claustrophobic and require sedation because they are required to lie within a small, enclosed space during the MRI test.
asked by david 
math/algebra
solve the equation log2(3x2)  log2 (x5)=4
asked by student 
physics
A basketball player is running at 5.10 m/s directly toward the basket when he jumps into the air to dunk the ball. He maintains his horizontal velocity. (a) What vertical velocity does he need to rise 0.800 meters above the floor
asked by Deborah 
finance
Suppose Delta Company issued bonds with a 15year maturity, a Rs. 1,000 par value, a 12 percent coupon rate, and semiannual interest payments. If actual price of the bond in the market is Rs 900, compute yield to maturity, current yield and capital gain
asked by mira 
Physics
A 10 g bullet is fired into a 5 kg wooden block initially at rest on the floor. The bullet lodges in the block and the block slides 10 cm across the floor before coming to rest. If the coefficient of kinetic friction between the block and the floor is 0.5
asked by Anonymous 
statistics
The National Highway Traffic Safety Administration analyzes the crash test data for new cars. One variable measured is the severity of the injury due to a collision. The higher the severity, the higher the points assigned. Assume that the injury rating is
asked by Jerome 
Chemistry
How do I solve this? How much heat (in Joules) is gained by the water when a chemical reaction takes place in 100.0 ml aqueous solution, has a temperature increase of 12.67°C and a specific heat capacity of 4.180 J/°Cg? [Hint: ignore any effects of the
asked by Ashley 
chem
How many grams do 4.30 x 1021 molecules of UF6 weigh? Report the answer in correct number of significant figures and units.
asked by hw 
physics
In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.0771 s, during which time it experiences an acceleration of 162 m/s2. The ball is launched at an angle of 53.3° above the ground. Determine the (a)
asked by louis aaaa 
Algerbra
A bank teller has 54 5 dollar bills and 20 dollar bills in her cash drawer. The value of the bills is 780 dollars. How many 5 dollar bills are there?
asked by Anonymous 
math/ algebra
solve the equation log (4x)= log5 + log(x4)
asked by student 
math
Your service contract for washer repair maintenance is offered at $48 per year. If a customer wants to pay it off in equal monthly installments for one year and if the true annual interest charge is 18%, what should his monthly payment be?
asked by sarah 
physics
A majorleague pitcher can throw a ball in excess of 37.8 m/s. If a ball is thrown horizontally at this speed, how much will it drop by the time it reaches a catcher who is 17.0 m away from the point of release?
asked by louis aaaa 
science
an electric oven of 2kW power heating is operated in a domestic circuit that has a current rating 5A. If the supply voltage is 220V. What result do you expect? Explain
asked by akanshs 
statistics
Consider the following bivariate data. Point A B C D E F G H I J x 3 4 2 1 7 2 1 0 4 2 y 1 7 3 3 6 6 5 0 6 2 (b) Calculate the covariance. (Give your answer correct to two decimal places.) (c) Calculate sx and sy. (Give your answers correct to three
asked by tracy 
math
A researchr assistant made 160mg of a radioactive, and found that there was only 20mg left after 45hours. a) What is the halflife of this substance? b) Write a function to represent the amount of substance left after x hours c) If the researcher kew he
asked by Kristen 
physics
A fire hose ejects a stream of water at an angle of 32.2 ° above the horizontal. The water leaves the nozzle with a speed of 26.5 m/s. Assuming that the water behaves like a projectile, how far from a building should the fire hose be located to hit the
asked by louis aaaa 
Math
There are 100 runners, each given a distinct bib labeled 1 to 100. What is the most number of runners that we could arrange in a circle, such that the product of the numbers on the bibs of any 2 neighboring runners, is less than 1000?
asked by Dan 
math
translate the phrase into a mathematical expression and then evaluate it. sixtten squared divided by four cubed. The given expression in symbols is? (do not simplify. type exponential notation with positive exponents.) Evaluated, the expression is equal
asked by henry 
physics
A volleyball is spiked so that it has an initial velocity of 12.0 m/s directed downward at an angle of 53.2 ° below the horizontal. What is the horizontal component of the ball's velocity when the opposing player fields the ball?
asked by louis aaaa 
math
A 10% acid solution is to be mixed with a 50% solution to get 200 liters of a 20% solution. How many liters of each solution should be used?
asked by Monica 
math
Suppose a student wants to be a millionaire in 40 years. If she has an account that pays 8% interest compounded monthly, how much must she deposit each month in order to achieve her goal of having $1,000,000? What is the present value of this annuity?
asked by nikki 
Math
give the number whose hundred place is onethird of the greatest onedigit number, the tens place is twice the hundred place, the ones place is four times the digit in the hundreds place divided by 2, and the three digits in the thousands period is the
asked by sitti 
Algebra
Assume the car can be purchased for 0% down for 60 months (in lieu of rebate). A car with a sticker price of $42,300 with factory and dealer rebates of $5,100 (a) Find the monthly payment if financed for 60 months at 0% APR. (Round your answer to the
asked by Anonymous 
chemistry
A 46kg sample of water absorbs 4.00×102kJ of heat. If the water was initially at 29.7 ∘ C , what is its final temperature?
asked by Nehemie 
physics
prove that average velocity of particle over an interval of time is either smaller than or equal to average speed of particle over same interval?
asked by edward 
Physics
A spring with a spring constant of 22N/m is initally compressed by 2.3cm. How much work is required to compress the spring an additional 1.7 cm? I can't find information in my book about compression; only work and exertion. Please help and provide all
asked by Jackie 
Math, Physics
Two blocks with indicated masses are connected by a cable of negligible mass over a pulley with radius 45cm. The block on the incline is sliding without friction and experiences a constant acceleration of 2 m/sec^2. Determine the mass of the pulley
asked by Sterling 
physics
A rocket is fired at a speed of 54.0 m/s from ground level, at an angle of 63.0 ° above the horizontal. The rocket is fired toward an 52.8m high wall, which is located 37.0 m away. The rocket attains its launch speed in a negligibly short period of time,
asked by louis aaaa 
MIT 2.01X
Posted by MAN on Tuesday, June 18, 2013 at 9:24pm. We will obtain bending moment diagrams for three beams and calculate stresses inside the beams. For each beam, take the xaxis along the neutral axis of the beam, oriented from left to right, with origin
asked by AMK 
Phil103 Informal Logic
1. Question : "~ P v Q" is best read as Student Answer: Not P and Q INCORRECT It is not the case that P and it is not the case that Q CORRECT It is not the case that P or Q It is not the case that P and Q Instructor Explanation: The answer can be found in
asked by ANSWERS 
math
Suppose a student wants to be a millionaire in 40 years. If she has an account that pays 8% interest compounded monthly, how much must she deposit each month in order to achieve her goal of having $1,000,000? What is the present value of this annuity?
asked by nikki 
math
Can someone please help me on these I have look at the examples and done just what they did, but I still get it wrong and I only have one more time to try. Use the following table to answer the questions. (Give your answers correct to two decimal places.)
asked by tracy12 
math/algebra
find the domain of the function 1) f(x)= log2( 49x^2) 2) f(x)=In [1/x+5]
asked by student 
statistics
Consider the following set of data. (18, 12), (29, 48), (65, 29), (82, 24), (115, 56), (124, 13) (a) Calculate the covariance of the set of data. (Give your answer correct to two decimal places.) . (b) Calculate the standard deviation of the six xvalues
asked by tracy 
Precal
Solve the exponential equation algebraically 5^(t/2) = 0.20
asked by Ku 
English
I urgently need someone from Jiskha to check if these questions are grammatically correct. Thank you very much in advance. 1) Can you briefly repeat the content of your history dissertation in English? 2) What is the first part of the poem "The Waste Land"
asked by John 
math
How many ways are there to write 2000 as the sum of powers of 2 with nonnegative exponents, where each power is used at most twice?
asked by Anonymous 
physics
A projectile is fired through the air. It is launched from the ground, and travels without interference from wind or air resistance, landing on a raised platform above the field. Compare the following values: 1Initial speed vs. final speed: 2Initial
asked by Din123 
English
Thank you very much. I just have one more question. I've written a paragraph on Wordsworth's life using the past. At the end I included the following sentence: The power of his imagination enabled him to communicate his knowledge, so that he becomes (not
asked by John 
ALGEBRA
At a certain time of day, a 5 foot 10 inch woman cast a 3 foot 3 inch shadow. How tall is a nearby tree that casts a 13 foot 8 inch shadow at the same time of day
asked by sierr 
math
Can someone give me the formula to work this out, I am not sure. Find the value of t for the difference between two means based on an assumption of normality and this information about two samples. (Use sample 1  sample 2. Give your answer correct to two
asked by tracy10 
physics
A coin is at the bottom of a fountain 60 cm deep. The water in the fountain is frozen. What is the apparent depth of the coin? The index of refraction of ice is 1.31.
asked by Anonymous 
English
The address you are sending your business letter to is called: A. the external address. B. the inside address. C. the complimentary close. D. the salutation. im confused between A n D
asked by Amy 
maths
Find the sum of the squares of the three solutions of the equation x3+3x2−7x+1=0.
asked by shyam 
physics
A space vehicle is coasting at a constant velocity of 24.9 m/s in the +y direction relative to a space station. The pilot of the vehicle fires a RCS (reaction control system) thruster, which causes it to accelerate at 0.338 m/s2 in the +x direction. After
asked by louis aaaa 
Please help me solve
How much heat (in Joules) is gained by the water when a chemical reaction takes place in 100.0 ml aqueous solution, has a temperature increase of 12.67°C and a specific heat capacity of 4.180 J/°Cg? [Hint: ignore any effects of the calorimeter and solve
asked by Ashley 
chem
If I initially have a gas at a pressure of 13.5 atm, a volume of 2300 mL, and a temperature of 200 K, and then I raise the pressure to 14 atm and increase the temperature to 300 K, what is the new volume of the gas? Report the answer in correct number of
asked by hw 
Statistics
1. Let x be the number of heads obtained in two tosses of a coin. The following table lists the probability distribution of x. x 0 1 2 P(x) .25 .50 .25 Calculate the mean and standard deviation of x. Give a brief interpretation of the value of the mean.
asked by david 
homeland security
Weekly tasks or assignments (Individual or Group Projects) will be due by Monday and late submissions will be assigned a late penalty in accordance with the late penalty policy found in the syllabus. NOTE: All submission posting times are based on midnight
asked by crystal 
Chemistry
how can be a carbonyl compound separated from a noncarbonyl compound by: A. Filteration B. Crystallization C. Sublimation D. Solvent extraction
asked by Zainab 
math
Consider the following ANOVA experiments. (Give your answers correct to two decimal places.) (a) Determine the critical region and critical value that are used in the classical approach for testing the null hypothesis Ho: ì1 = ì2 = ì3 = ì4, with n = 19
asked by tracy11 
English
I left out a few more questions. Thank you very much in advance. 1) How is Mrs Dalloway described at the beginning of the novel? What is Mrs Dalloway fond of? 2) Who is Septimus Warren Smith? Describe Septimus and his wife Lucretia's reactions to the
asked by John 
English
These are the very last things. Thank you very, very much. 1) In Joyce’s story The Sisters Nannie brings a decanter of sherry and some wineglasses and invites the protagonist to take a little glass of wine. 2) Briefly refer to the plot of Joyce's tale
asked by John 
summery
my teacher told me to find something funny about brooklyn. i spent 2 1/2 hours in looking for it but couldn't find anything. plssssssssssss u must help me im getting tierd of looking at the computer screen.
asked by jake 
Please help me solve
How much heat is absorbed by the calorimeter (qcal) if the temperature is increased 12.4 °C and the calorimeter constant (Ccal) is 3.30 J/°C?
asked by Ashley 
statistics check
The computerscience aptitude score, x, and the achievement score, y (measured by a comprehensive final), were measured for 10 students in a beginning computerscience course. The results were as follows. (Give your answers correct to two decimal places.)
asked by tracy12 
Physic (Stress & Strain)
1) Calculate the tension stress in a 21.00mm diameter rod subjected to a pull of 30.000kN. 21mm =0.021m 30.000kN = 30000N A = pi*d^2/4 = 3.1416 * (0.021)^2m^2/ 4 = 3.1416 * 0.000441/ 4 = 0.0013854456/ 4 = 0.0003463614 Stress = Load/ Area = 30000/
asked by Danny 
Math help
Find the 98% confidence interval for estimating ìd based on these paired data and assuming normality. (Give your answers correct to one decimal place.) Before 50 55 61 52 68 54 After 34 58 56 36 40 39 Lower Limit Incorrect: Your answer is incorrect. 64.0
asked by tracy10 
pre algebra
a fieldstone patio is in the shape of a square that measures 9 ft on each side what is the area of the patio
asked by alonzo 
Maths
Find the largest integer S which is a divisor of n^5−17n^3+16n for every integer n≥4. Tried it for a number of times. Please answer if you know how to solve it.
asked by Satyam 
phy
In an urn, there are several colored balls, with equal numbers of each color. We add 14 balls which are all of the same new color, that is different from those in the urn. It is calculated that the probability of drawing, without replacement, two balls of
asked by Anonymous 
mats
Suppose f(x) is a polynomial with integer coefficients of degree 100. Find the biggest possible number of pairs of integers n
asked by Anonymous 
statistics
Consider the following ANOVA experiments. (Give your answers correct to two decimal places.) (a) Determine the critical region and critical value that are used in the classical approach for testing the null hypothesis Ho: ì1 = ì2 = ì3 = ì4, with n = 19
asked by tracy 
physics
In diving to a depth of 558 m, an elephant seal also moves 925 m due east of his starting point. What is the magnitude of the seal's displacement?
asked by louis aaaa 
math
The difference between two numbers is 36. The sum of these two numbers is 62. Find the numbers.
asked by Monica 
Physics (Stress & Strain)
What is the factory of safety of a steel hanger having an ultimate strength of 630.000MPa and supporting a load of 61000.000N. The steel hanger in question has a cross sectional area of 6.500cm^2. ANS = (Round to 3 decimal places) 6.500cm = 0.065m Load =
asked by Danny 
circuit
Q1 In this problem, we look at the design of an inverter. For the entirety of this problem VS=7.0V, and all transistors are modeled with the SR model with RON=120Ω. We design the inverter shown in Figure 1.
asked by Anonymous 
accounting
Joe makes $40,000 per year as an exempt employee. She worked 25 hours of overtime in the month of March. Payday for wages earned in the month of March is April 7. Ignoring Federal and State income tax withholdings, how much would he receive for September
asked by Anonymous 
math
For every prime p consider all polynomials f(x) with integer coefficients from 1 to p and degree at most p−1, such that for all integers x the number f(2x)−f(x) is divisible by p. Find the sum of all primes p
asked by help please 
MATH
Give the number whose hundreds place is onethird of the greatest onedigit number, the tens place is twice the hundreds place divided by 2, and the three digits in the thousands period is the product of the digits in the units period.
asked by Joel 
maths
The real numbers x and y satisfy the nonlinear system of equations {2x2−6xy+2y2+43x+43yx2+y2+5x+5y==174,30. Find the largest possible value of xy
asked by Anonymous 
chemistry
1)How can you determine average velocity from displacement time graph?
asked by edward 
english
1)The team exclaimed with delight that they have won The match
asked by Anonymous 
Chemistry
How much heat is absorbed by the calorimeter (qcal) if the temperature is increased 12.4 °C and the calorimeter constant (Ccal) is 3.30 J/°C?
asked by Ashley 
help maaaaath
Find the largest possible number of distinct integer values {x_1,x_2,…,x_n}, such that for a fixed reducible degree 4 polynomial with integer coefficients, f(x_i) is prime for all i?
asked by lin 
maths
f is a function on the positive reals that satisfies f(x2+1)1x√=x6x, what is the value of f(82)?
asked by shyam 
physics
A golfer hits a shot to a green that is elevated 2.60 m above the point where the ball is struck. The ball leaves the club at a speed of 16.7 m/s at an angle of 33.0˚ above the horizontal. It rises to its maximum height and then falls down to the green.
asked by louis aaaa 
English
Do not send out a resume until at least three individuals, preferably __________, have agreed to recommend you. A. professors and/or job supervisors B. friends C. relatives D. members of the clergy i don't know this one please some one help
asked by Amy 
(Math)Simplifying using the laws of exponents
I need help with a few problems. 1.) (x^3/4 times y^1/3)^2/3 How is the answer x^1/2y^2/9 2.)(x^1/3 times y) (x^1/2 times y^4/3) How is the answer x^1/6 over y^1/3 3.)(4a^2b^7/2)^1/2 How is the answer 2a over b^3/4 4.) (x^2/3y^1/3 over 8x^1/2y)^1/3 How
asked by ameme 
statistics
Consider the following table and use the formulas that are given for computing the correlation coefficient. (Give your answer correct to two decimal places.) x 1 1 0 0 0 y 7 3 5 6 6 r = n xy − x y n x2 − x 2 n y2 − y 2 (1) r = SS(xy) SS(x) · SS(y)
asked by tracy 
heeeelp math
Find the largest possible number of distinct integer values {x_1,x_2,…,x_n}, such that for a fixed reducible degree 4 polynomial with integer coefficients, f(x_i) is prime for all i?
asked by mathslover 
maths
How many ways are there to write 2000 as the sum of powers of 2 with nonnegative exponents, where each power is used at most twice?
asked by Anonymous 
Calculus 2
(x^3+2x^215x+1)/(x^2+2x15) from 0 to 7
asked by Nick 
chemistry
why acceleration at any instant does not velocity at any instant?
asked by edward 
hindi
we have to write the assignment in hindi of chapter 1 "do belo ki katha"
asked by smriti 
maths
If ABC is a triangle with AB=20,BC=22 and CA=24. Let D lie on BC such that AD is the angle bisector of ∠BAC. What is AD2?
asked by Anonymous 
chemistry
show that accelration at any instant does not depend upon velocity at any instant?
asked by edward 
Vegetarian
why do vegetarians need to be careful about their protein intake?
asked by Kimberly 
Physics (Stress & Strain)
1) Calculate the tension stress in a 21.00mm diameter rod subjected to a pull of 30.000kN. 21mm =0.021m 30.000kN = 30000N A = pi*d^2/4 = 3.1416 * (0.021)^2m^2/ 4 = 3.1416 * 0.000441/ 4 = 0.0013854456/ 4 = 0.0003463614 Stress = Load/ Area = 30000/
asked by Danny 
Physics
if the power developed is 290 ft lb/s for 12.8s what is the work done on the system?
asked by Sheryl