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2011
May

Questions Asked on May 1, 2011

) A batter hits a baseball so that it leaves the bat at speedVo = 37.0m/s at an angle ao = 53.1°, at a location where g = 9.80
1. 4 answers
2. asked by hehe
3. 27,229 views
The number 4641 can be expressed as the product of two 2-digit whole numbers. What is the sum of these two numbers?
1. 1 answer
2. asked by Troy
3. 1,191 views
I am hoping that someone who is good at and likes Spanish grammar can check over my "if-then" (subjunctive-conditional) clauses
1. 2 answers
2. asked by Jacqueline
3. 942 views
a 20 foot ladder leaning against a building makes and angle of 60 degrees with the ground. How far from the base of the building
1. 3 answers
2. asked by sara
3. 1,892 views
An airplane is 34 ground miles from the end of the runway and 6 miles high when it begins its approach to the airport. To the
1. 4 answers
2. asked by sara
3. 2,131 views
indigo C16H10N2O2 (numbers are suppose to b as a subscript) is the common name of the dye that gives blue jeans their
1. 1 answer
2. asked by celina
3. 512 views
Electric power is found by multiplying ___ by current.Is voltage or potential difference a better choice to use?
1. 1 answer
2. asked by Sejul
3. 470 views
I have trouble writing pseudo codes, while and for loops.Please help.
1. 2 answers
2. asked by Diana
3. 420 views
Electric power is found by multiplying ___ by current.Is voltage or potential difference a better choice to use?
1. 1 answer
2. asked by Sejul
3. 465 views
Law of Gravitation- Find an expression for the magnitude of the initial velocity that a projectile must possess in order to
1. 0 answers
2. asked by Dwayne
3. 478 views
How a person respond to this type of statement? I am not sure how I would respond to this statement. Do you have any suggestions
1. 3 answers
2. asked by Sharon
3. 758 views
How do I help my little brother with negative numbers? He doesn't understand when it is positive and when it is negative.
1. 2 answers
2. asked by Christina
3. 371 views
A typical soap molecule consists of a polyatomic anion associated with a cation. The polyatomic anion containd hydrogen, carbon
1. 3 answers
2. asked by celina
3. 3,285 views
Solve the linear equation:-10.8x + 1.4 = -47.6 - 1.0x If you could do step-by-step so I may learn this it would be appreciated.
1. 1 answer
2. asked by Janey
3. 467 views
Youare riding a sled across frictionless ice. It has been given an initial push and is now traveling at a constant velocity, in
1. 2 answers
2. asked by SUZY
3. 884 views
CAN YOU GIVE ME SOME SITES THAT WOULD GIVE ME SOME PRACTICE FOR ELA
1. 3 answers
2. asked by christomes
3. 581 views
I have an urgent question:I have to mention only the countries two tourists went through. I want to be sure that they are
1. 1 answer
2. asked by Henry1
3. 872 views
What is the acceleration of a proton moving with a speed of 4.3 m/s at right angles to a magnetic field of 2.1 T?
1. 0 answers
2. asked by Adam
3. 349 views
Two isomers have the same formula but different structures: Co(H2O)5SCN, CO(H2O)5NCS. The 5's mean 5-H20's. Draw each of these
1. 4 answers
2. asked by Tyler
3. 612 views
How do you make an egg drop without it breaking?
1. 2 answers
2. asked by Christina
3. 398 views
can someone explin how blood clotting, immune response, allergic reaction, and hormone release interrelate. I have been
1. 1 answer
2. asked by lulu
3. 453 views
A cellular phone company offers a contract for which the cost C, in dollars, of t minutes of telephoning is given by
1. 4 answers
2. asked by Renee
3. 516 views
How would you solve this differential equation?dy/dx=1/2x+y-1
1. 2 answers
2. asked by Joe Schmo
3. 1,214 views
You are riding a sled across frictionless ice. It has been given an initial push and is now traveling at a constant velocity, in
1. 0 answers
2. asked by SUZY
3. 657 views
I just want to be sure about the countries. (YES means correct, NO means wrong)1) Europe NO 2) Ukraine YES 3) Kazakhstan YES 4)
1. 3 answers
2. asked by Henry1
3. 504 views
a bootlenose dolphin jumps out of the water. the path the dolphin travels can be modeled by h=-0.2d^2+2d, where h represents the
1. 1 answer
2. asked by bob
3. 907 views
6x7=8x9-(6+7+8+9) 7x8=9x10-(7+8+9+10)
1. 1 answer
2. asked by bruni
3. 572 views
Calculate the acceleration of mars, and show the calculations
1. 0 answers
2. asked by Kelli Kenyon
3. 334 views
Which of the following is correct for the energy levels in an atomic system?Choose one answer. a. The energy value increases
1. 0 answers
2. asked by ashley --- HELP PLEASEE!!!
3. 499 views
A point source of light produces photoelectrons from a photo cell with certain velocity. Which of the following is correct for
1. 1 answer
2. asked by ashley --- HELP PLEASEE!!!
3. 657 views
Which of the following is true for the transition of electrons from a higher energy to a lower energy state?Choose one answer.
1. 1 answer
2. asked by ashley --- HELP PLEASEE!!!
3. 1,115 views
A metal emits photoelectrons when yellow light is made to fall on it. Which of the following is correct when the metal is
1. 0 answers
2. asked by ashley --- HELP PLEASEE!!!
3. 534 views
Which of the following is correct according to Rutherford's atom model?Choose one answer. a. Atomic spectra should be line
1. 0 answers
2. asked by ashley --- HELP PLEASEE!!!
3. 753 views
The period of a simple pendulum is measured to be 4.0 seconds in a frame of reference. Which of the following is correct when
1. 1 answer
2. asked by ashley --- HELP PLEASEE!!!
3. 796 views
A train is moving with a speed of 50 miles per hour. A man standing in the rear of a train car throws a ball toward the front of
1. 1 answer
2. asked by ashley --- HELP PLEASEE!!!
3. 946 views
Marks: 3If the velocity of the particle is reduced by a factor of two, by what factor does the de Broglie wavelength change?
1. 1 answer
2. asked by ashley --- HELP PLEASEE!!!
3. 408 views
Marks: 1In which of the following cases is the wavelength of the emitted radiation greatest? Choose one answer. a. Electron
1. 0 answers
2. asked by ashley --- HELP PLEASEE!!!
3. 497 views
A metallic surface emits photo electrons when green light falls on it. But the metal does not emit when yellow light falls on
1. 1 answer
2. asked by ashley --- HELP PLEASEE!!!
3. 601 views
Which of the following is correct when the intensity of the light source is increased?Choose one answer. a. The number of
1. 1 answer
2. asked by ashley --- HELP PLEASEE!!!
3. 653 views
Which of the following summarizes Rutherford's model of the atom?Choose one answer. a. Electrons are embedded in a positive
1. 1 answer
2. asked by ashley --- HELP PLEASEE!!!
3. 776 views
What is the number of units in the distance from the origin to the point (-8,6) in a coordinate system?
1. 2 answers
2. asked by John
3. 415 views
The force exerted by the wind on the sails of a sailboat is 500 N north. The water exerts a force of 150 N east. If the boat
1. 1 answer
2. asked by polo Q
3. 4,968 views
Since 1991, trends seem to indicate improvement with factors involving teenagers in the United States which could translate into
1. 0 answers
2. asked by ada
3. 918 views
A point source of light produces photoelectrons from a photo cell with certain velocity. Which of the following is correct for
1. 0 answers
2. asked by ashley --- HELP PLEASEE!!!
3. 491 views
Calculate the solubility of AgCl in:Ksp = 1.6x10^-10 a) 100 ml of 4.00 x 10^-3 M Calcium chloride b) 100 ml of 4.00 x 10^-3 M
1. 3 answers
2. asked by Raf
3. 4,327 views
please helpwho was against the mexican-american war? northerners,democrats,southerners,or the media
1. 5 answers
2. asked by mo
3. 430 views
I just wanted to be sure about the position of the conjunctions. Could you please check these sentences? Thank you.1) He fears
1. 1 answer
2. asked by Henry1
3. 461 views
The sodium and hydroxide atoms separate into ions and the positive sodium ions are attracted to the oxygen atoms and the
1. 1 answer
2. asked by johnny
3. 494 views
I just did a multiple choice practice test. For the question "A gene pool is..." I was in between C). the genes that are
1. 1 answer
2. asked by Heather K
3. 400 views
1. 12 + 8a + 4a^22. Factorise -5x^2 + 27x - 10 Please show me full working out. Thank you!
1. 1 answer
2. asked by Jason
3. 501 views
indigo C16H10N2O2 (numbers are suppose to b as a subscript) is the common name of the dye that gives blue jeans their
1. 0 answers
2. asked by celina
3. 477 views
I am solving inequalities then graphing my solution. in a problem such as-2(c-1)<-22 how do i solve this? and also how do i know
1. 1 answer
2. asked by Christina
3. 527 views
Use at least five adverbs and five adjectives to write a brief review of a movie, sporting envent, musical performance, or
1. 4 answers
2. asked by Tracy
3. 1,304 views
Mark has 28 10-cent and 20-cent pieces. How many of each coin does he have if their total value is $4.30?In a class of 26
1. 1 answer
2. asked by Maria
3. 1,355 views
How many moles of SiO2 will contain 48 g of oxygen?
1. 1 answer
2. asked by Emily
3. 429 views
I'd like to thank you with all my heart for giving me notes on the Prepositions/countries/cities. Thanks a lot. It really helped
1. 3 answers
2. asked by Sydney
3. 606 views
What is the least integer value of x such that |2x + 7| is < or equal 16?
1. 1 answer
2. asked by Joe
3. 394 views
determine whether the given numbers are solutions of the inequality.6,-14,-18,-2 Y-8>2y-3 solutions are -14 -18 -2 not solution
1. 1 answer
2. asked by Renee
3. 550 views
6x^2-7x+18(^ means squared)
1. 1 answer
2. asked by Kacey
3. 308 views
In deciding which has more entropy, would it be correct to says<l<g<aq or s<l<aq<g I'm thinking the second one....
1. 1 answer
2. asked by redgy
3. 476 views
Suppose a state lottery prize of $2 million is to be paid in 20 payments of $100,000 each at the end of each of the next 20
1. 0 answers
2. asked by janet
3. 681 views
A $1.2 million state lottery pays $5,000 at the beginning of each month for 20 years. How much money must the state actually
1. 1 answer
2. asked by help plzzz
3. 1,438 views
A used piece of rental equipment has 3½ years of useful life remaining. When rented, the equipment brings in $300 per month
1. 1 answer
2. asked by wrangled mind on this one :(
3. 534 views
Is it me or does this problem not make sense? (you can't solve it)5. Solve for x in the following system: 6x + 6y = -2 y = -x I
1. 2 answers
2. asked by mysterychicken
3. 591 views
Calculate the solubility of silver chloride in 10.0 M ammonia given the following information:Ksp (AgCl) = 1.6 x 10^–10 Ag+ +
1. 2 answers
2. asked by Raf
3. 1,401 views
solve for x3x^2-12x+3=0 is the answer 1/3, 3
1. 3 answers
2. asked by Mary
3. 423 views
what are the factors of 22x^2+66x-220?
1. 1 answer
2. asked by Ella
3. 313 views
at 1 atm how much energy is required to heat 67 grams of H2O(s) at -22 degrees C to H2O(g) at 159 degrees C
1. 1 answer
2. asked by Kristin
3. 556 views
OF2(g) + H2O(g) -> O2(g) +2HF(g) ΔH°rxn = -318 kJUsing bond energies, calculate the bond dissociation energy of the O-F bond,
1. 1 answer
2. asked by Kat
3. 1,677 views
in the reaction between sodium and water, hydrogen gas is given off and sodium hydroxide is formed. The gas is collected and
1. 1 answer
2. asked by Anonymous
3. 1,025 views
I am having trouble understanding this.From the winter of 1821, . . . I had what might truly be called an object in life; to be
1. 6 answers
2. asked by Emma
3. 594 views
A rectangle park measures 300 ft by 400 ft. A sidewalk runs diagonally from one corner to the opposite corner. Find the length
1. 3 answers
2. asked by Steph
3. 932 views
how did the new deal benefit tennessee
1. 1 answer
2. asked by mohid
3. 448 views
A debt of $6000 is to be amortized with 8 equal semiannual payments. If the interest rate is 5%, compounded semiannually, what
1. 1 answer
2. asked by ronald
3. 1,222 views
Choose the correct description for each "Law" of Electricity & Magnetism.The choices are faradays law lenz law ampere law are my
1. 1 answer
2. asked by Ana
3. 631 views
A recent graduate's student loans total $13,000. If these loans are at 4.1%, compounded quarterly, for 9 years, what are the
1. 1 answer
2. asked by meg
3. 897 views
A homeowner planning a kitchen remodeling can afford a $200 monthly payment. How much can the homeowner borrow for 3 years at
1. 0 answers
2. asked by nicole
3. 685 views
The problem describes a debt to be amortized.A man buys a house for $350,000. He makes a $150,000 down payment and amortizes the
1. 0 answers
2. asked by angela
3. 831 views
A couple purchasing a home budget $1700 per month for their loan payment. If they have $15,000 available for a down payment and
1. 1 answer
2. asked by ryan
3. 1,069 views
You are driving your race car around a circular test track. Which would have a greater effect on the magnitude of your
1. 1 answer
2. asked by john
3. 808 views
Time-share sales provide an opportunity for vacationers to own a resort condo for 1 week (or more) each year forever. The owners
1. 1 answer
2. asked by so confused
3. 588 views
A couple finances a house valued at $150,000. The monthly principal and interest payment has been determined to be $599.32.
1. 3 answers
2. asked by so confused
3. 462 views
A couple finances a house valued at $150,000. The monthly principal and interest payment has been determined to be $641.85.
1. 0 answers
2. asked by jan
3. 467 views
A couple finances a house valued at $125,000. They make a $20,000 down payment and finance the remainder for 30 years at 6.8%.
1. 3 answers
2. asked by lexy
3. 646 views
couple finances a house valued at $150,000. They make a $10,000 down payment and finance the remainder for 30 years at 6.8%.
1. 3 answers
2. asked by lucy
3. 682 views
I left out a few last things. Thank you.They want to travel with a quite warm weather. It can also be raining/rainy (which is
1. 1 answer
2. asked by Henry1
3. 465 views
You can find the average cost per animal by dividing total costs by number of animals. Write the equation that gives the average
1. 0 answers
2. asked by peewee
3. 389 views
what did herbert hoover think of the great depression
1. 1 answer
2. asked by mohid
3. 546 views
what was the result of the elizbeth strikes?
1. 1 answer
2. asked by mohid
3. 300 views
A) a 100 gram ice cube is at -10 degrees celcius. how many calories needed to raise it to 0 degrees C.?B) once its at 0 degrees,
1. 2 answers
2. asked by Crystal
3. 745 views
A capacitor has two overlapping plates of width 4.9 m and length 3.5 m separated by 1.3 cm. A dielectric of dielectric constant
1. 2 answers
2. asked by Sarah
3. 492 views
Please respond to the following questions either by writing the design name or by describing the design using standard notation
1. 0 answers
2. asked by me
3. 550 views
a bag of marbles contains 5 red,7 green ,and some blue.if 1/3 of the marbles in the bag are blue,how many blue marbles are in
1. 2 answers
2. asked by shank
3. 386 views
Can someone please explain what Newtons 3 laws mean? i don't understand the text book definition.
1. 1 answer
2. asked by Christina
3. 539 views
Find the points of inflection.f(x) = e^(-x^2) I need to know step by step how you would get the points of inflection.
1. 5 answers
2. asked by Jan
3. 417 views
Need to find the predicate Adjective.1. The valley in Johstown Pennsylvania was very deep. PA=deep 2. The hills around Johstown
1. 1 answer
2. asked by Ann
3. 581 views
What is the circumference of the circle if the area of the square is 25m to the second power?
1. 1 answer
2. asked by Kernisha
3. 686 views
Is it in the interest of high-income countries to promote the development of poor countries? Why or why not?
1. 3 answers
2. asked by Jon
3. 1,053 views
he question is:A spherical capacitor contains a solid spherical conductor of radius 0.5mm with a charge of 7.4 micro coulombs,
1. 0 answers
2. asked by Josh
3. 1,250 views
1) Science is the ______ of temperature2) a ________ is used to measure temperature. 3) ice is ____ dense than water 4) adding
1. 1 answer
2. asked by Crystal
3. 974 views

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