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What is the longest wavelength for standing waves on a 238.0 cm long string that is fixed at both ends?
1. 2 answers
2. 685 views
What is the longest wavelength for standing waves on a 238.0 cm long string that is fixed at both ends?
1. 1 answer
2. 533 views
Solve for x : 16y^2=120x-225
1. 1 answer
2. 392 views
An FM radio station broadcasts at 80.9MHz. Determine the period of the radio waves.i know period is just 1/freq. so what would i
1. 1 answer
2. 583 views
An FM radio station broadcasts at 80.9MHz. Determine the period of the radio waves.i know period is just 1/freq. so what would i
1. 1 answer
2. 547 views
What mass of carbon dioxide, water, and sulfur dioxide can be produced from the combustion of 1.5793g of C7H12S?
1. 3 answers
2. 557 views
Suppose that a 10-mL sample of a solution is to be tested for Cl- ion by addition of 1 drop (0.2mL ) of 0.15 M AgNO3 .What is
1. 3 answers
2. 3,501 views
Calculate the pH at the equivalence point in titrating a 0.120 M solution of NaHCrO4 (sodium hydrogen chromate) with 7.0×10−2
1. 1 answer
2. 997 views
Calculate the pH at the equivalence point in titrating a 0.120 M solution of NaHCrO4 (sodium hydrogen chromate) with 7.0×10−2
1. 3 answers
2. 697 views
Suppose that a 10-mL sample of a solution is to be tested for Cl- ion by addition of 1 drop (0.2mL ) of 0.15 M AgNO3 .What is
1. 1 answer
2. 747 views
A woman runs a kilometer using a force of 210 N and a power output of 500 W. How long in minutes does it take this woman to
1. 2 answers
2. 2,078 views
Can anyone tell me why the answer that I got here is not correct?Pb(s) + AgNO3(aq) yields Ag(s) + PbNO3(s)
1. 3 answers
2. 383 views
I have the following information:H(jw) = (3+jw)/(e^(2jw)) f(t) = e^(-3t)u(t) Therefore, F(w) = 1/(3+jw) Y(w) = H(w)*F(w) =
1. 0 answers
2. 378 views
how many atoms are in 26 moles of Ag
1. 1 answer
2. 362 views
I don;t know how to solve the following equation.9+6x=-6x+105 I have -6x +6x -105 -105 -96=12x 12 12 x=8
1. 1 answer
2. 919 views
I don;t know how to solve the following equation.9+6x=-6x+105 I have -6x +6x -105 -105 -96=12x 12 12 x=8
1. 1 answer
2. 525 views
Add one set of parentheses to the expression - 7 * x + 3 + 8 * x + 3 * x + 8 - 9 so that it is equivalent to 2(9x + 10)
1. 0 answers
2. 423 views
Distinguish between "older culture" and "new culture" present in 18th century colonial America, and discuss the value conflict
1. 1 answer
2. 478 views
A boat initially traveling at 10 meters per second accelerates uniformly at the rate of 5.0 meters per second squared for 10
1. 2 answers
2. 2,523 views
The law of conservation of mass states that no change is observed in the total mass of the substances involved in a chemical
1. 1 answer
2. 495 views
Sulfur burns in the presence of oxygen to produce sulfur dioxide. Explain how the mass of sulfur dioxide produced compares to
1. 2 answers
2. 962 views
If 40. kJ of energy are absorbed by 450 g of water at 16 oC, what is the final temperature of the water?
1. 1 answer
2. 446 views
the equation is f(x) = (1/sq. root of 1-x^2)1. f(x) is never zero. 2. 0 is in the domain of f 3. All negative real numbers are
1. 1 answer
2. 551 views
This was a worksheet and the instruction said to fill in the adjective endings, since the underlines wouldn’t show I put the
1. 0 answers
2. 565 views
An airplane flying at 120km/h due west moves into a region where the wind is blowing at 40km/h due east. If the plane's original
1. 1 answer
2. 674 views
A 279 lb fullback runs the 40 yd dash at a speed of 18.5 ± 0.1 mi/h.(a) What is his de broglie wavelength (in meters)?(b)what
1. 1 answer
2. 672 views
I have a problem with an atwood's machine problem. i have three tensions where T1 and T2 are on the left and T3 is on the right.
1. 0 answers
2. 421 views
In the figure below the left hand calbe has a tension T1 and makes an angle of 42 with the horizontal. the right hand calbe as a
1. 2 answers
2. 2,427 views
If you stand with your arms down at your sides and lift them up to shoulder height is that Adduction or Flexion?
1. 1 answer
2. 407 views
Rays PQ and QR are perpindicular. Point S lies on the interior of angle PQR. If m<PQS=4+7a and m<SQR = 9+4a, find m<PQS and
1. 1 answer
2. 640 views
One year, China consumed 4 times as much energy as Brazil.Define a variable and write an expression for the amount of energy
1. 1 answer
2. 397 views
Dave has quarters, dimes and nickles in his bank. He has 3 more dimes than quarters and 6 less nickles than quarters. There are
1. 2 answers
2. 600 views
What mass of solute is needed to prepare 140 mL of 0.560 M KCl?how do i work this out?
1. 1 answer
2. 384 views
An antique dealer visited three shops. She spent $25 at the first shop. At the second shop, she spent half of her remaining
1. 1 answer
2. 689 views
Larry, Lionel, and Lester painted a fence. Larry painted the first 1/3 of the fence. Lionel painted 3/5 of what rtemained.
1. 1 answer
2. 481 views
A snail is crawling along a meter stick. At a certain point the snail stops. The snail needs to crawl three times as far as it
1. 2 answers
2. 654 views
Post Hypnotic suggestions are best represented by which of the followingCocercive statements commands new ideas for self
1. 1 answer
2. 446 views
What are dreams that contain symbolic characters and appear surreal?
1. 4 answers
2. 511 views
Which of the following is not a long term trend marking the expansion of suffrage in the United States?
1. 1 answer
2. 543 views
My class is selling flowers. We want to arrange them so that they are all in equal rows with no row containing different types
1. 4 answers
2. 393 views
It is a story problem. Courtney has 27 chocolate chip cookies and 36 oatmeal raisin cookies. She needs to arrange them on trays.
1. 6 answers
2. 2,207 views
A typical wavelength of infrared radiation emitted by your body is 25 µm (2.5 multiplied by 10-5 m). What is the energy per
1. 0 answers
2. 644 views
Have writers block. Need help with Julia Alvarez poem!?I have to write a 1000 word analysis of the Julia Alvarez poem "Ironing
1. 2 answers
2. 660 views
I really don't understand this question and I can't seem to be able to solve it. Can anyone help me?Write a composite number
1. 3 answers
2. 566 views
Could someone tell me how I would write out trimethylammonium butanoate's structure? I think the butanoate part is CH3CH2CH2-C=O
1. 1 answer
2. 375 views
how do i find the amplitude, period, phase shift of y=2 cos(-4t-(-4 pi/3))
1. 1 answer
2. 668 views
Solve each formula for Nr/n + 2 = p t=100 (n+3) pv/nr = T 8a + 2n + 6b
1. 1 answer
2. 397 views
t=100 (n +3)PV/NR= T 8a + 2n = 6b r/n + 2 = p
1. 1 answer
2. 320 views
y=3x+2
1. 1 answer
2. 588 views
Gold crystallizes in a face centered cubic structure. Using only a periodic table for refrence, determine the edge length of a
1. 1 answer
2. 630 views
Order the following solids according to increasing lattice energy.HgI2, CdCl2, ZnCl2 Now I get how to sort of do it, but I do
1. 1 answer
2. 714 views
Carbonic acid is a diprotic acid that ionizes in two stages.Write the two equations for the successive ionizations of carbonic
1. 1 answer
2. 851 views
Using the balanced reaction, enter the formula, charge(if any), and state of the species (exclude H2O) in solution if ZnCl2(aq)
1. 1 answer
2. 585 views
Based on the balanced equation2NBr3 + 3NaOH → N2 + 3NaBr + 3HOBr calculate the number of NaBr formula units formed when 126
1. 3 answers
2. 1,042 views
What is the value of the z-scores if the area of the curve to this point is 0.887? How much of this are is between the peak of
1. 1 answer
2. 379 views
Simplify 2/7(-7x^2)what are the steps involved? thanks alot!
1. 1 answer
2. 429 views
Is hexane and ethylene chloride miscible? Why?
1. 1 answer
2. 498 views
I posted this problem the other day and someone answered it but when I checked my book I realized that I wrote the problem
1. 1 answer
2. 924 views
I posted this problem the other day and someone answered it but when I checked my book I realized that I wrote the problem
1. 2 answers
2. 610 views
11/16-(-3/4)^2 divided by 2/5 ^3
1. 1 answer
2. 844 views
I'm working with finding roots of polynomial equations with degrees of 3 or higher. I have the equationr(x)=x^4-6x^3+12x^2=6x-13
1. 2 answers
2. 1,182 views
I'm working with finding roots of polynomial equations with degrees of 3 or higher. I have the equationr(x)=x^4-6x^3+12x^2=6x-13
1. 0 answers
2. 560 views
Find all the points having an x coordinate of 2 whose distance from the point (-1,-5) is 5.so far i have
1. 3 answers
2. 681 views
A 150kg safe on a frictionless casters is to be raised 1.20 m off the ground to the bed of a truck. Planks 3.0 m long are
1. 2 answers
2. 763 views
A hollow steel tube of square cross section, whose outside dimension is 10cm on side and 5 mm thick, is loaded with compressive
1. 1 answer
2. 1,153 views
Which statement about African music is not true?a. It has been strongly influenced by American jazz. b. It is popular around the
1. 2 answers
2. 728 views
What is another name for a playwright?
1. 1 answer
2. 397 views
How can I calculate the tension in the two cords that are labeled A and B in a two mass system? Cord A is on top with a 1 kg
1. 1 answer
2. 638 views
If a mass attached to the center of a vertical circle swings around at a fixed speed (v) and gravity pulls straight downward,
1. 1 answer
2. 696 views
Is it true or false that when a baseball player hits a home room, the baseball received a greater impulse from the bat than the
1. 1 answer
2. 1,169 views
Two vehicles with the same mass collide and lock together traveling 28 m/s at 37 degrees north of east after the collision. How
1. 1 answer
2. 853 views
Can you please tell me what is wrong with this sentence. My teacher underlined it on my paper. What should it say. Thank YouJack
1. 9 answers
2. 770 views
Can you please tell me what is wrong with this sentence. My teacher underlined it and I can't figure out what is wrong with it.
1. 2 answers
2. 453 views
3x-9+15x
1. 1 answer
2. 298 views
I need some help on this essay question for my history class. I'm confused.There are three instances of the theory of the
1. 7 answers
2. 761 views
don't have a good teacher. need to understand how if can solve to figure out if this is undefinedt-3/3-5
1. 3 answers
2. 419 views
Newton's Law of Gravitation says that the magnitude F of the force exerted by a body of mass m on a body of mass M is the
1. 2 answers
2. 2,802 views
The volume of a growing spherical cell is given below, where the radius is measured in micrometers (1 µm = 10^-6m).V = 4/3pi
1. 2 answers
2. 501 views
The volume of a growing spherical cell is given below, where the radius is measured in micrometers (1 µm = 10-6m).V = 4/3pi r^3
1. 0 answers
2. 665 views
The following data set represents the repair costs (in dollars) for a random sample of 30 dishwashers.41.82 52.81 57.80 68.16
1. 1 answer
2. 875 views
Create a method called countSelected, which takes an array of integers and an integer as input parameters and returns the number
1. 0 answers
2. 509 views
Compare and contrast the representation of weight and space in the painting of The Good Shepherd in the Catacomb of Saints
1. 1 answer
2. 564 views
During 2000, Orlando was growing rapidly with new jobs luring people into the area. Despite increases in population and income
1. 1 answer
2. 596 views
Mass of C3H8 Reacted with (g) Mass of O2 Reacted (g) Mass of CO2 Produced (g)44 160 132 250 909 750 400 1,455 1,200 465 1,691
1. 1 answer
2. 457 views
Does a Contractionary Fiscal Policy help lower inflation?Or does Expansionary Fiscal Policy lower inflation?
1. 1 answer
2. 1,268 views
How many grams are in a milliliter?
1. 1 answer
2. 331 views
QUESTION:rounded to the nearest ten, i am 320, the sum of my digits is a multiple of 6 i am even.
1. 1 answer
2. 506 views
i want to see if my answer is correct & that i am understanding this.question: round me to the nearest ten, i am 320 the sum of
1. 4 answers
2. 292 views
A person rappels down a cliff. The person uses a 0.5 inch diameter rope, creating a 170-lb internal force. What is the normal
1. 1 answer
2. 488 views
A -3.5uC charge experiences a 13 ihat-N electric force in a certain electric field.What force would a proton experience in the
1. 4 answers
2. 2,182 views
Take q1=23uC at (0,1), q2=16uC. at (2,0), and q3=? at (2,2). IF the force on q1 points in the -x direction, (a) what is q3 and
1. 3 answers
2. 517 views
A proton is at the origin and an electron is at the point x = 0.41 nm, y = 0.36 nm. Find the electric force on the proton.I got
1. 2 answers
2. 3,351 views
There are two positive charges (+4C on the left and +6C on the right) that are both separated by an arbitrary distance. In order
1. 1 answer
2. 1,727 views
How many oxygen atoms do you have in 2.00 grams of calcium phosphate?My answer is 3.9*10^22 by multiplying avogadros number by
1. 2 answers
2. 712 views
There is a flash of lighting that gives out a 25 C of negative charge from cloud to ground. Determine the amount of electrons
1. 1 answer
2. 426 views
How many oxygen atoms do you have in 2.00 grams of calcium phosphate?Do you use avogadro's number and how? How many Ca^2+ ions
1. 1 answer
2. 1,113 views
What is the name of Co2(C2O4)3is it cobalt (2) tris ethanedioate
1. 1 answer
2. 966 views
Hi,what keeps objects in orbit, for example, preventing the moon from crashing into the earth under the force of gravity? I have
1. 1 answer
2. 387 views
375 is what percent of 500?
1. 1 answer
2. 303 views
What was your experience with the Center forWriting Excellence (CWE) in the past? In addition to the CWE, what other writing
1. 0 answers
2. 731 views

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