Ask a New Question

Questions and answers by

Christina

Questions (398)

A stationary roller coaster at the top of its path is 30m about the ground. The car and its passengers have a mass of 400kg.
1. 2 answers
2. 533 views
how do you solve a linear system.7. x-y=8 x+y=-2
1. 1 answer
2. 300 views
How do you solve the problem: x minus 6.2 is less than or equal to 8 ; x=14
1. 1 answer
2. 329 views
A 27.8 liter container is initially evacuated, and then 8.8 grams of water is placed in it. After a time, all the water
1. 2 answers
2. 790 views
Neutrons are more effective than protons or alpha particles for bombarding atomic nuclei. Why?
1. 1 answer
2. 595 views
Can someone please explain what Newtons 3 laws mean? i don't understand the text book definition.
1. 1 answer
2. 555 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. 568 views
How do you make an egg drop without it breaking?
1. 2 answers
2. 410 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. 384 views
What is friction? I don't understand the definition.
1. 0 answers
2. 433 views
Is the point (-3, -2) a solution of the intersection of the following set of quadratic equations:Y < - X ^ 2 X^2 + Y^2 < 16
1. 1 answer
2. 424 views
Is the point (-3,-2) a solution of the intersection of the following set of quadratic equations: Y < -X ^ 2X^2 + Y^2< 16
1. 2 answers
2. 399 views
Mg(s) + 2HCl(aq) --> MgCl2(aq) + H2(g)If 1.0g of Mg is reacted with 10.0mL of 6.0M HCl, what volume of hydrogen gas will be
1. 2 answers
2. 628 views
As a star ages, its internal composition changes as nuclear reactions in the star's core convert one element into another. True
1. 1 answer
2. 723 views
3x to the second power,minus 15x plus 18 is????
1. 2 answers
2. 452 views
I need help graphing equations and inequalites like 5x+4y=20,6x-2y=-4,3x+y=5, and -3x-y=0
1. 0 answers
2. 338 views
I am having a hard time writing a paper, I am not just not sure what dominant American culture is. I know the American culture
1. 1 answer
2. 524 views
Which shows the correct coordinates for the reflection of the point over the line y = -4a. (-6,9)->(-6, 17) b. (-6,9)->(6,-17)
1. 1 answer
2. 579 views
How did Muslim merchants influence the devolopment of trade in Africa?
1. 0 answers
2. 839 views
How do i do glide reflection on a graph?example. which glide reflection could map figure ABC to figure A'B'C'? a.translation of
1. 1 answer
2. 1,066 views
How did Medieval Europe lay the groundwork for the re-birth of Europe (Renaissance)? What conditions existed that allowed Europe
1. 2 answers
2. 1,368 views
What is the mathematical term for a statement that can be flipped and still remain true?Example: A cat is a feline, and a feline
1. 1 answer
2. 408 views
I need some advice on a paper with the sociological perspective icluds history, biography, social lcation, macro-leve-microlevel
1. 2 answers
2. 541 views
9x^4/16y^6How to I simplify it must be written in exponential form and no negative exponents. HELP
1. 3 answers
2. 566 views
Informational InterviewYour final project for this course will be a 3- to 5-page paper that consists of the insights you have
1. 1 answer
2. 524 views
Kim is deciding between two cell phone plans. Plan A charges a fixed monthly fee of $100 for 1200 minutes and .25 per minute
1. 4 answers
2. 650 views
How did it affect the Guarani Indians when they were first encountered the conquistadors?
1. 2 answers
2. 441 views
x^2-4x+12=0 Complete the square to solve for x.Okay I know how to do up to here: (-4/2)^2 -12=x^2-4x(-4/2)^2 2-12= x^2-4x+2 -10=
1. 2 answers
2. 2,709 views
Simplify (7-3i)^2.So would I do this: (7-3i) (7-3i) then distribute it .... OR (7-3i)^2 square everything 49+9i^2 ? thanks
1. 2 answers
2. 995 views
In a survey of 1037 adults from the United States age 65 and over, 643 were concerned about getting the flu. Construct a 90%
1. 0 answers
2. 680 views
I keep trying to set up this problem to solve it using the Simplex Method, but I can't seem to get the tableau set up correctly.
1. 1 answer
2. 619 views
Solve by elimination method.7r-3s=14 3r+7s=64 Could never figure out the elimination method. Would love some help with this one.
1. 1 answer
2. 641 views
I've tried many times to get the equation to balance using trig identities like half-angle formulas, power-reducing formulas,
1. 1 answer
2. 723 views
How do I solve this?1 - 4sin^2(x)cos^2(x) = cos^2(2x)
1. 0 answers
2. 652 views
Solve: -10<=4x-5<--4
1. 1 answer
2. 352 views
A gas is taken though a single process in which its volume decreases by .25 m^3 as the temp of the gas rises 2deg C. Which of
1. 3 answers
2. 556 views
A spring that is .7m in length elongates to 1.06 m when a 20 newton force is exerted to stretch the spring. By how much more
1. 1 answer
2. 419 views
A 5 kg block of average density .625 kg/m^3 has a volume of about _____ cu. m
1. 1 answer
2. 382 views
An observer detects an apparent frequency of 505 hz coming from a 500 hz source. Which is true?a. the observer is moving due
1. 0 answers
2. 571 views
A dinner plate drops and breaks. This best illustrates the ______ law of THERMODYNAMICSA. 1st b. 2nd c. 3rd d. 4th
1. 0 answers
2. 794 views
Salicyclic acid reacts with methanol to produce methylsalicyclate or winter green and water according to the following reaction:
1. 1 answer
2. 857 views
Calcium carbonate reacts with hydrochloric acid according to the following reaction:CaCO3 (s) + 2 HCl (aq) --> CaCl2 (aq) + H2O
1. 1 answer
2. 1,193 views
How do you find the logarithmic differentiation of y = x^6x?
1. 1 answer
2. 1,037 views
How do you find the logarithmic differentiation of y = x-cos x ?
1. 0 answers
2. 1,096 views
a 10 kg ball moving due west at 2m/sec collides with a 4kg ball that is moving due east at 3 m/sec. You determine that
1. 3 answers
2. 492 views
A 10 kg ball moving due west at 2m/sec collides with a 4kg ball that is moving due east at 3 m/sec. You determine that
1. 0 answers
2. 500 views
Where are memories stored in your brain?
1. 0 answers
2. 385 views
A weight of 50.0 N is hung from the center of a stretched horizontal wire 10.0 meters long. It causes the wire to say 1.00m at
1. 2 answers
2. 710 views
an electric sign weighing 200 newtons is supported by two slanting cables. each cable is attached to the same point of the sign
1. 1 answer
2. 776 views
Between which two orbits of the Bohr hydrogen atom must an electron fall to produce light of wavelength 434.2nm?
1. 2 answers
2. 497 views
what classical traditions and institutions survived despite the fall of the states?Please I really need help, I have no notes on
1. 2 answers
2. 408 views
describe the spread of sedentary agriculture outside the older civilized areas
1. 3 answers
2. 817 views
explain the beliefs of Hinduism and its evolution from the aryans to the Guptas.WHO ARE THE ARYANS AND THE GUPTAS? please help
1. 4 answers
2. 1,129 views
Describe the teachings and institutions of Confucianism Dadaism and legalism
1. 3 answers
2. 544 views
how were the first civilizations similar and different?They all had a social hierarchy, and some sort of government. The main
1. 3 answers
2. 1,061 views
how were the first civilizations similar and different?
1. 6 answers
2. 1,722 views
How did civilized culture survive the rise and fall of regional states?
1. 4 answers
2. 1,104 views
A 2.52g sample of a compound containing only carbon, hydrogen, nitrogen, oxygen, and sulfur was burned in excess O to yield
1. 10 answers
2. 6,197 views
can anyone explain to me how to solve for P, if Q=240-2P?
1. 0 answers
2. 421 views
HELP!!!!!One and only Inc is a monopolist. The demand function for its product is estimated to be Q=60-0.4P +6Y+2A Y=3,000
1. 0 answers
2. 834 views
Use the random-number table to simulate the outcomes of tossing a quarter 25 times. Assume that the quarter is balanced (i.e.,
1. 2 answers
2. 3,914 views
You have found the following stock quote for RJW Enterprises, Inc., in the financial pages of today's newspaper. The closing
1. 2 answers
2. 1,197 views
Ngata Corp. issued 12-year bonds 2 years ago at a coupon rate of 8.4 percent. The bonds make semiannual payments. If these bonds
1. 1 answer
2. 1,411 views
On January 1st a savings account showed a balance of $280. How much interestwill be earned by the end of the year at an annual
1. 1 answer
2. 452 views
Calculate the boiling point elevation of a solution made from 15.0 g of a nonelectrolyte solute and 250.0 g of water. the molar
1. 2 answers
2. 3,772 views
200. g of a nonelectrolyte is dissolved in 1.00 kg of water. the boiling point of the solution is then measured to be 101.5
1. 1 answer
2. 1,298 views
200. g of a nonelectrolyte is dissolved in 1.00 kg of water. the boiling point of the solution is then measured to be 101.5
1. 1 answer
2. 778 views
can i get answers to my homework ?
1. 1 answer
2. 373 views
Divide the Cnidarian specimen into two groups. What feature did you use to make your divison? I just need a two sentence answer
1. 0 answers
2. 454 views
For what biological reason do farmers object to picking apple blossoms during the apple blossom season?
1. 0 answers
2. 842 views
Explain why a heavy rainfall on a fruit orchard in the spring might result in a poor fruit yeild in the fall.
1. 2 answers
2. 1,994 views
What would happen to the color of a dilute solution containing FeCL4 if you added concentrated HCl?
1. 1 answer
2. 1,057 views
What are some examples of precipitate?Definition: an insoluble solid formed in a liquid solution as a result of some chemical
1. 1 answer
2. 480 views
Whats an example of product?Definition: the substances produced in a chemical reaction
1. 1 answer
2. 477 views
Is this a good sentence using the words:Procure: to get possession of; achieve If you study hard you will procure good grades.
1. 1 answer
2. 454 views
Is this a good sentence using the words:affliction: the cause of persistent pain or distress I was afflicted by grief after my
1. 1 answer
2. 476 views
The Cu2+ ion can be separated from Ag+,Ca2+, and K+ in aqueous solution by 1. precipitation of Cu2+ as Cu(OH)2(s) with 6 M
1. 1 answer
2. 2,823 views
What is sodium perborate bleach?
1. 2 answers
2. 496 views
What is insulating fiberglass?
1. 1 answer
2. 288 views
Describe Hobbes' account of man's action and how it fits into his ethical system.
1. 1 answer
2. 449 views
Why is the discussion of the problem of evil important to augustine's ethic?
1. 1 answer
2. 922 views
i have to write a three sentences about my family, using irregular verbs and i do not know what to write or what irregular verbs
1. 5 answers
2. 591 views
what's a sentence for glisten and tomb
1. 1 answer
2. 326 views
Calculate the specific heat of a metallic element if 314 joules of energy are needed to raise a 50.0 g sample from 25 to 50
1. 1 answer
2. 1,518 views
How does a doctor diagnose the flu?What tests are performed? What samples need to be taken?
1. 3 answers
2. 484 views
Another question :)At the top of its drop hill, a 1,000 kg roller coaster has 200,000 J of total energy. If the top of the next
1. 2 answers
2. 603 views
A boulder has 300 J of potential energy sitting on the edge of a cliff. What is the boulder's kinetic energy as it hits the
1. 1 answer
2. 621 views
If a single bacteria divides in half every 20 min. how many would you have after 42 hours?
1. 6 answers
2. 454 views
Sally's collection of quarters and dimes contains $32.85. There are 171 coins in all. How many quarters and dimes are in Sally's
1. 1 answer
2. 506 views
How have cultural differences in Europe caused conflict?
1. 1 answer
2. 512 views
Did Mr. Smooth-it-away in The Celestial Raidroad decieve someone?
1. 0 answers
2. 357 views
The mineral CaF2 has a solubility of 2.1 x 10^-4 M. What is the Ksp of CaF2?a. 1.85x10^-11 b. 9.3x10^-12 c. 3.7x10^-11 d.
1. 1 answer
2. 1,959 views
the solubility product expression for BiS3 is Ksp=a.[Bi2^3][S3^2-]. b. [Bi^3+][S^2-]. c. [Bi^3+]^2 [S^2-]^3 d. none of these
1. 1 answer
2. 812 views
you can produce a sound by plucking a string or blowing in a pipe. how is this alike? how is this different?
1. 8 answers
2. 2,066 views
explain how you can change the lenght of a vibrating string.tell how changing the lenght changes the sound produced by the
1. 0 answers
2. 753 views
Hurricane Katrina dropped about four-teen inches of rain over a 48 hour period. How much rain is this in one hour ?
1. 1 answer
2. 449 views
can you give me some facts and info bout how plate tectonics accounts for the features and processes that geoscientists observe
1. 1 answer
2. 489 views
Can you give me some information and facts about the flow of matter and energy in the earth-thank you
1. 0 answers
2. 391 views
Calculate S (measure of total entropy) for the following reaction at 25C and 1atm, and tell whether the entropy is increasing or
1. 1 answer
2. 1,003 views
Calculate S (measure of total entropy) for the following reaction at 25C and 1atm, and tell whether the entropy is increasing or
1. 0 answers
2. 986 views

Pages

1
2
3
4

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025