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Questions Asked on December 19, 2010

A pipe of length 10.0 m increases in length by 1.5 cm when its temperature is increased by 90°F. What is its coefficient of
1. 3 answers
2. asked by Jesse
3. 4,981 views
The sum of two numbers is 20. The difference of their squares is 120. What are the numbers?
1. 3 answers
2. asked by Anonymous
3. 2,172 views
You are the physics expert for a professional stuntman. The stunt you have designed includes a ramp that is angled at 30°. You
1. 1 answer
2. asked by George
3. 551 views
A rectangular dog pen is to be constructed using a barn wall as one side and 60 meters of fencing for the other three sides.
1. 2 answers
2. asked by booyah
3. 4,779 views
what is the formulas for the compounds formed by the following : Al and (NO3)1-
1. 1 answer
2. asked by BoBo
3. 359 views
how do i solve this into a proportion,3oz for $1.65; 5oz for x dollors
1. 1 answer
2. asked by jordan
3. 267 views
what would happen to the relationship of canada and united states if quebec separates?
1. 7 answers
2. asked by Anonymous
3. 797 views
what is the main biomolecule in potatoes?what is the primary function for the potato plant?
1. 0 answers
2. asked by LULU
3. 451 views
if x =3 then 5 - 2x = 20 - 7x is this true or false
1. 1 answer
2. asked by cherry
3. 339 views
.Several states have passed legislation abolishing many policies associated with Affirmative Action. What is your opinion
1. 1 answer
2. asked by Samantha
3. 591 views
the statement "ten more than seven times a number x"
1. 1 answer
2. asked by cherry
3. 350 views
. Use the Internet to research how ethnicity affected the lives of these prominent figures in ONE of these ethnic minority
1. 2 answers
2. asked by Samantha
3. 944 views
Use the Internet to explore a sexual discrimination suit that involved the principle of the Glass Ceiling.
1. 3 answers
2. asked by Samantha
3. 468 views
simplify:4(2x-4)-(3x-1)
1. 1 answer
2. asked by cherry
3. 331 views
Question:• If each gender has an advantage based on its brain pattern, how can social scientists say that these differences
1. 2 answers
2. asked by Samantha
3. 1,098 views
A launcher fires a projectile with a velocity of 6.31m/s. Determine the horizontal distance of the projectile (in the air) at 5
1. 1 answer
2. asked by George
3. 454 views
PermutationFor a segment of a radio, a disc jockey can play 7 songs. If there are 13 songs to select from, in how many ways can
1. 0 answers
2. asked by Janet
3. 1,107 views
solve the following equation for d. k=2c-9d/8.
1. 1 answer
2. asked by Soibon
3. 320 views
A super-hero is leaping from the roof of one building onto another. The first building is 120 meters high and the second
1. 1 answer
2. asked by George
3. 484 views
solve the following equation for d. k=2c-9d/8.
1. 1 answer
2. asked by Soibon
3. 282 views
Two brothers are jogging, Josh and Drake. Josh has 1/2 the KE of Drake. Also, he is twice the mass of Drake. Plus, Josh had to
1. 1 answer
2. asked by Bob
3. 566 views
can someone explain and answer this equation for me. 7y - 6 < 6y -1 Thanks
1. 2 answers
2. asked by robbie
3. 963 views
Anyone know of any good website were I can practice things such as verb, noun, adverb, adjective, etc?
1. 1 answer
2. asked by Sarah
3. 447 views
a reduced fat cookie contains 3g of fat per serving. In order for food to be termed reduced fat it must have at least 20% less
1. 2 answers
2. asked by esther
3. 1,451 views
Is there racism in Hemingway's Indian Camp? How is it portrayed?It's for an essay I'm writing. I'm unsure of how the different
1. 1 answer
2. asked by Anonymous
3. 521 views
the pressure on 200 milliliters of a gas at constant temperature is changed from 50.65 kPa to 101.3 kPa. what is the new volume
1. 2 answers
2. asked by john
3. 1,749 views
a person cleared a rectangular plot of land and covered it with gravel. then he got 8 square wooden sections of side lengths:
1. 0 answers
2. asked by john
3. 898 views
evaluate algebraically for exact values:10^(x+3) = 100
1. 1 answer
2. asked by mo
3. 954 views
solve algebraically3e^(-4x) = 12
1. 1 answer
2. asked by mo
3. 356 views
to identical jars are filled with equal amount of marbles. the marbles are coloured red or white. the ratio of red to white
1. 1 answer
2. asked by peter
3. 984 views
120 students were surveyed about their food preferences. 62 liked pizza,75 liked burgers and 48 liked tacos. 15 liked all three.
1. 0 answers
2. asked by Gary
3. 970 views
find domain of f(x) = 15/sqrt(x+6)
1. 2 answers
2. asked by mo
3. 505 views
I need help making a four page newspaper on the play, The Crucible, by Monday, December 20. Please help?
1. 2 answers
2. asked by Nicole
3. 321 views
14. Total plasma volume is important in determining the required plasma component in blood replacement theory for a person
1. 0 answers
2. asked by Anonymous
3. 515 views
Solve the following systemof equationsx + 3y = 9 x = 4 - 3y
1. 4 answers
2. asked by Nancy
3. 375 views
Train A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mph and train B is traveling
1. 1 answer
2. asked by Nancy
3. 627 views
Find the slope, if it exists, of the line containing the pair of points(9,1) and (10,-7) The slope m = __ or the slop is
1. 3 answers
2. asked by Nancy
3. 1,369 views
Determine whether (2,11) is a solution to y=17x-13.Thank you before hand, for your help.
1. 1 answer
2. asked by esther
3. 306 views
Find the slope and y-intercept of the line in the given equation.y=4/9x -20
1. 1 answer
2. asked by B
3. 324 views
a fair dice is tossed 100 times. use equation 5.20 to bound the probability that the total number of spots is between 300 and
1. 0 answers
2. asked by alvina
3. 804 views
the original dimensions of a rectangle were 15 by 20 cm. when both dimensons were decreased by the same amount, the area of the
1. 1 answer
2. asked by math1
3. 448 views
the original dimensions of a rectangle were 15 by 20 cm. when both dimensons were decreased by the same amount, the area of the
1. 1 answer
2. asked by math1
3. 405 views
Sheila has a picture frame that measures 20 cm by 30 cm. If she puts a mat inside the frame that decrease the picture by
1. 1 answer
2. asked by math1
3. 1,434 views
a ladder is resting against a wall. the top of the ladder touches the wall at a height of 12 feet. Find the distance from the
1. 1 answer
2. asked by math1
3. 495 views
for a science project about ten forms of energy,how do you convert or change one energy to another. can you give me an example
1. 1 answer
2. asked by math1
3. 365 views
What was the point of science fiction in Kurt Vonnegut's Slaughterhouse FiveHow do those elements of science fiction add to the
1. 1 answer
2. asked by Michael
3. 553 views
Can someone help me get started on this problem?A launcher fires a projectile with a velocity of 6.31m/s. Determine the
1. 2 answers
2. asked by George
3. 545 views
what are the dialouges of mrs. reed in jane eyre
1. 1 answer
2. asked by sakshi
3. 391 views
Merry Christmas/Happy Holidays and lots of health, happiness and prosperity for 2011 to all the wonderful teachers at Jiskha.
1. 5 answers
2. asked by E.G.
3. 451 views
the length of the top of a table is 6 m greater than the width. the area is 91m^2. Find the dimensions of the table.
1. 1 answer
2. asked by jane
3. 801 views
what are some cause of industrial revolution.what are some positive and negative impact?
1. 1 answer
2. asked by 000
3. 533 views
Use a factor tree to write 1575 as a product of prime factors. Youshould display your factor tree in your answer.
1. 2 answers
2. asked by Beth
3. 644 views
Many conscience whigs and others believed that the annexation of texas and the mexican war itself were part of a conspiracy by
1. 1 answer
2. asked by Anonymous
3. 1,225 views
A mixture of 0.47 mole of H2 and 3.59 moles of HCl is heated to 2800C. Calculate the equilibrium partial pressures of H2 Cl2 and
1. 3 answers
2. asked by Jamal
3. 3,010 views
Given y = x^4 − 4x^2 + 50. Find any extrema and any points of inflection
1. 0 answers
2. asked by Dan
3. 320 views
Given [(x-5)/(x-3)]^2 . Find any stationary points and any points of inflection. Also find any horizontal andvertical
1. 1 answer
2. asked by josh
3. 690 views
Given the position function s = 4t^3 − 24t^2 + 6t + 6.find s and v when a = 0 (Where v is the velocity and a is the
1. 2 answers
2. asked by Geoff
3. 880 views
Verify that f(x) = x^3 − 2x + 6 satisfies the hypothesis of the Mean-Value Theorem over the interval [-2, 3]and find all
1. 0 answers
2. asked by Ronnie
3. 610 views
Where does Thailand stand on Torture?I know that they torture Muslims, but does the government deny this? Do they have any
1. 1 answer
2. asked by Sam
3. 475 views
Carbon dioxide forms into a solid (dry ice) at approximately -157°F. What temperature in degrees Celsius does this correspond
1. 1 answer
2. asked by Jesse
3. 2,642 views
A steel wire, 150 m long at 10°C, has a coefficient of linear expansion of 11 ´ 10-6/C°. Give its change in length as the
1. 2 answers
2. asked by Jesse
3. 3,277 views
A 0.003 0-kg lead bullet is traveling at a speed of 240 m/s when it embeds in a block of ice at 0°C. If all the heat generated
1. 2 answers
2. asked by Jesse
3. 3,505 views
Use a simple area formula from geometry to find the area under function A(x) that gives the area under the function f(x) = 9 on
1. 2 answers
2. asked by Raj
3. 1,100 views
how did the major explorers of new york interact with native populations
1. 0 answers
2. asked by 4 grade
3. 300 views
A windowpane is half a centimeter thick and has an area of 1.0 m2. The temperature difference between the inside and outside
1. 0 answers
2. asked by Jesse
3. 672 views
A 10-kg piece of aluminum (which has a specific heat of 900 J/kg×°C) is warmed so that its temperature increases by 5.0 C°.
1. 1 answer
2. asked by JJ
3. 5,918 views
A heat engine exhausts 3 000 J of heat while performing 1 500 J of useful work. What is the efficiency of the engine?
1. 1 answer
2. asked by JJ
3. 2,115 views
A 2.00-kg block of ice is at STP (0°C, 1 atm) while it melts completely to water. What is its change in entropy? (For ice, Lf =
1. 0 answers
2. asked by JJ
3. 788 views
If a 1000-kg car was moving at 30 m/s, what would be its kinetic energy expressed in the unusual (for kinetic energy) units of
1. 0 answers
2. asked by JJ
3. 962 views
A puddle holds 150 g of water. If 0.50 g of water evaporates from the surface, what is the approximate temperature change of the
1. 1 answer
2. asked by JJ
3. 670 views
what is the average power developed by a motor lifting 400kg at constant speed through 10m at 8 secs?
1. 2 answers
2. asked by julie
3. 615 views
Can you check the following sentences for me, please? Thank you.1) Introduce the English Renaissance focusing your attention on
1. 1 answer
2. asked by Franco
3. 619 views
An 800 N man stands on a scale in a motionless elevator. When the elevator begins to move, the scale reads 650 N. Find the
1. 3 answers
2. asked by Sam
3. 2,390 views
Given f (x) = √(7 + x) + 4 . Use the rectangle method to approximate the area on the interval [0, 8] using 4rectangles.
1. 0 answers
2. asked by Geoff
3. 421 views
A 70 kg man weighs 686 N on the Earth's surface. How far above the surface of the Earth would he have to go to "lose" 14% of his
1. 4 answers
2. asked by melissa
3. 625 views
Four identical masses of 2.7 kg each are located at the corners of a square with 1.4 m sides. What is the net force on any one
1. 0 answers
2. asked by melissa
3. 579 views
Evaluate∫ [(5+x)^2]/√x
1. 3 answers
2. asked by Geoff
3. 828 views
evaluate∫sec^7 x tanx dx
1. 1 answer
2. asked by Geoff
3. 393 views
express [3/7]+[4/8]+[5/9]+[6/10] in sigma notion.
1. 3 answers
2. asked by Geoff
3. 356 views
Calculate the force of gravity on a spacecraft 19200 km (3 earth radii) above the Earth's surface if its mass is 1000 kg.what
1. 1 answer
2. asked by Jessica
3. 1,029 views
An object weighing 325 N in air is immersed in water after being tied to a string connected to a balance. The scale now reads
1. 3 answers
2. asked by kate
3. 11,972 views
A particle moves along the s-axis. Use the given information to find the position of the particle. v(t) = 8t3;s(0) = 5.
1. 1 answer
2. asked by Elisa
3. 566 views
how was the establishment of the cabinet the most significant event in George Washington's presidency?
1. 1 answer
2. asked by Anonymous
3. 2,103 views
How would i solve this equation in Radians:cosx + sinx = 0
1. 1 answer
2. asked by Kylie
3. 397 views
A particle moves along the s-axis. Use the given information to find the position of the particle. v(t)=8t3 ;s(0) = 5.
1. 4 answers
2. asked by Elisa
3. 963 views
A sale at a electronic store offers 20% off a sony radio. If the sale price of the radio is $45, what is the regular price?
1. 4 answers
2. asked by Lynne
3. 573 views
.05 - .4 =
1. 1 answer
2. asked by Steve
3. 253 views
Find the average value of f (x)= √(4x +1) over the interval 0 ≤ x ≤ 2.
1. 1 answer
2. asked by john
3. 400 views
A car of mass 1979 kg drives over a semicircular hilltop of radius 12.6 m and through a semicircular valley of radius 17.2 m
1. 1 answer
2. asked by Tom
3. 555 views
Given y = x^4 − 4x^2 + 50. Find any extrema and any points of inflection
1. 1 answer
2. asked by Dan
3. 383 views
Please help me to solve this problem aboutelectic potential : An electric car accelerates for 7.0 s by drawing energy from its
1. 2 answers
2. asked by Me
3. 826 views
Please help me to solve this problem aboutelectic potential : An electric car accelerates for 7.0 s by drawing energy from its
1. 1 answer
2. asked by Me
3. 515 views
describe events in Hungary in October and November 1956.why did Warsaw Pact forces invade Czechoslovakia in 1968? how far were
1. 1 answer
2. asked by history
3. 513 views
A woman wants to measure the height of a nearby tower. She places a pole in the shadow of the tower so that the shadow of the
1. 2 answers
2. asked by Chloe
3. 1,034 views
Given [(x-5)/(x-3)]^2 . Find any stationary points and any points of inflection. Also find any horizontal andvertical
1. 3 answers
2. asked by Dan
3. 499 views
Harvard Group Case AnalysisForeign Exchange Hedging Strategies at General Motors: Transactional and Translational Exposures
1. 2 answers
2. asked by ali
3. 569 views
Posted by rfvv on Saturday, December 18, 2010 at 7:22am.A: Lunch is on me. B: _______________. (What are suitable expressions in
1. 1 answer
2. asked by rfvv
3. 567 views
can't think of the word where: someone is actually guilty but their allowed to act like their innocent. like nothing happened
1. 3 answers
2. asked by Amy
3. 392 views
How do I solve arctan(tan3.14/6)?
1. 1 answer
2. asked by Wilson Yates
3. 458 views
A tiny spring, with a spring constant of 1.20 N/m, will be stretched to what displacement by a 0.005 0-N force?
1. 1 answer
2. asked by Amanda
3. 1,541 views

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