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Questions (1,063)

A chemist is commissioned to produce twenty pallets of aspirin: C7H6O3 (salicylic acid) + C4H6O3 (acetic anhydride) → C9H8O4
1. 0 answers
2. 672 views
Use Green's Theorem to evaluateC F · dr. (Check the orientation of the curve before applying the theorem.) F(x, y) = y2 cos x,
1. 0 answers
2. 1,202 views
Consider F and C below.F(x, y, z) = (2xz + y2) i + 2xy j + (x2 + 15z2) k C: x = t2, y = t + 2, z = 3t − 1, 0 ≤ t ≤ 1 (a)
1. 0 answers
2. 967 views
Determine whether or not F is a conservative vector field. If it is, find a function f such that F = ∇f. If it is not, enter
1. 1 answer
2. 482 views
A particle starts at the point(−3, 0), moves along the x-axis to (3, 0), and then along the semicircle y = sqrt(9 − x^2) to
1. 0 answers
2. 584 views
Use Green's Theorem to evaluateC (F · dr) (Check the orientation of the curve before applying the theorem.) F(x, y) = e^(2x) +
1. 1 answer
2. 720 views
what do mangroves ecosystem provide for organisms
1. 1 answer
2. 464 views
How have NATO's operations changed over time ?A.) NATO only directs peacekeeping measures now B.) NATO no longer defends Western
1. 9 answers
2. 3,619 views
Evaluate the line integral, where C is the given curve.(Integral)C z dx + x dy + y dz, C: x = t^4, y = t^5, z = t^4, 0 ≤ t ≤
1. 1 answer
2. 580 views
Evaluate the line integralSC F · dr, where C is given by the vector function r(t). F(x, y, z) = sin x i + cos y j + xz k r(t) =
1. 1 answer
2. 1,365 views
Find the work done by the force fieldF(x, y, z) = <y + z, x + z, x + y> on a particle that moves along the line segment from (1,
1. 1 answer
2. 453 views
An object accelerates at 7.5m/s^2 with a force of 25N west being applied to it and there is a frictional force of 13N. What is
1. 1 answer
2. 564 views
If an object with a mass of 98kg at 2.5m/s^2, what amount of force is applied to it?
1. 1 answer
2. 344 views
STONE-GROUND FLOURThe radius of a milestone is 3 meters greater than the radius of another, and their areas differ by 15pi
1. 1 answer
2. 437 views
I'm writing a paper explaining how the constitution and its european influences support our modern ideas about american
1. 3 answers
2. 3,691 views
I really need help with these questions:( if anyone can I'd really appreciate itHow have NATO's operations changed over time ?
1. 2 answers
2. 895 views
12 ounces of corn costs .5916 ounces of corn costs .81 which is the better by .59/12=.04 .81/16-.05
1. 2 answers
2. 316 views
if a 12 ounce can of beans cost .59 how much does one ounce cost .59/12=.04
1. 1 answer
2. 368 views
How would you describe your understanding of rational numbers?(Select all that apply)
1. 12 answers
2. 4,863 views
A ball is thrown straight up at 45 m/s. How long will it take the ball to come back to its original height? Why?
1. 1 answer
2. 386 views
Solve the system by elimination-2x + 2y + 3z = 0 -2x - y + z = -3 2x + 3y + 3z = 5
1. 0 answers
2. 422 views
Can someone please help me I'd really appreciate itSolve the system by substitution -x - y - z = -8 -4x + 4y + 5z = 7 2x + 2z =4
1. 0 answers
2. 362 views
Solve the system by substitution:-4.5x-2y=-12.15 3.25x-y=-0.75
1. 1 answer
2. 964 views
To prepare a solution of NaCl, you weigh out 2.634 (0.002)g and dissolve it in a volumetric flask whose volume is 100.00 (0.08)
1. 1 answer
2. 1,421 views
In Cathy's garden 5/6 of the area is planted with flowers. Of the flowers, 3/10 of them are red. What fraction of Cathy's garden
1. 2 answers
2. 1,198 views
A 635 mL solution of HBr is titrated with 0.51 M KOH. If it takes 1569 mL of the base solution to reach the equivalence point,
1. 0 answers
2. 453 views
Create a story problem (scenario) that could be solved using the expression:1 1/2
1. 1 answer
2. 522 views
A charter boat travels at a maximum rate of 25 mph. The function d(x) = 25x represents the distance d(x),in miles, that the boat
1. 1 answer
2. 597 views
A charter boat travels at a maximum rate of 25 mph. The function d(x) = 25x represents the distance d(x),in miles, that the boat
1. 2 answers
2. 1,276 views
To earn a B in your Algebra class, you must achieve an unto under test average between 84 and 86 (inconclusive). You scored
1. 1 answer
2. 646 views
why does federalism create tension between state and national governments?A.) Both national and state governments share power.
1. 8 answers
2. 3,000 views
How does the 10th amendment shown below demonstrate a constitutional provision for limiting government?The powers not delegated
1. 1 answer
2. 1,289 views
1.) Which of the following is true about the formal amendment process for the Constitution?A.) Any citizen may propose an
1. 28 answers
2. 5,175 views
A student observes 30 waves traveling down a string in a lab experiment. It takes 10 seconds for the waves to all go by. What is
1. 1 answer
2. 530 views
Please help me... I have no idea where to begin...A tone of 4000 Hz is being played on a tuning fork. You run toward the tuning
1. 1 answer
2. 562 views
Homework Help: EconomicsPLEASE CHECK MY ANSWERS! 1. The MAIN advantage to a corporation is.. A. Ease of entry B. Limited
1. 4 answers
2. 692 views
Find the future value of an ordinary annuity of $70 paid quarterly for 5 years, if the interest rate is 10%, compounded
1. 2 answers
2. 1,153 views
1. Suppose that you are taking a quiz of 6 multiple- choice questions (the instructor chose the questions randomly), each
1. 1 answer
2. 778 views
What is the most successful marketing strategy for Travel Agents and Tour Operators?
1. 3 answers
2. 534 views
How do I use the distributive property to rewrite the math problem 5(4 - y?
1. 2 answers
2. 666 views
Rhonda bought a new jacket that originally cost $80. It was on sale for 20% off. The store charges a 6% sales tax. what is the
1. 1 answer
2. 540 views
A 0.18 g sample of unknown was placed in a flask and dissolved in 125 mL of deionized water. A solution of HCl (0.13 M) was used
1. 1 answer
2. 594 views
Please help ASAPPP!!!!I have no idea how to even start on this! f(x)=9x^3+2x^2-5x+4 and g(x)=5x^3-7x+4. What is f(x)-g(x)? Show
1. 1 answer
2. 527 views
Company A charges $5 plus $0.10 per kilometre, company B charges $1 plus $.50 per km how far could you go and still pay less
1. 1 answer
2. 523 views
The water in a puddle has a mass of 1500 grams. The sun comes out and the puddle evaporates. How many grams of water vapor enter
1. 1 answer
2. 945 views
What is the largest whole number that will round up or down to 900900900 if we're rounding to the nearest hundred
1. 2 answers
2. 520 views
please show me how to do this...A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show
1. 2 answers
2. 891 views
Find the point on the line –3x+4y–5=0 which is closest to the point (0–5)
1. 1 answer
2. 1,258 views
Eric's notebook has 30 pages he wants to number all the pages beginning with 1 how many digits will he write when he writes in
1. 2 answers
2. 813 views
The three substances that can reduce Ag+ to Ag, but will not reduce Sn2+ to Sn areZn Pb H2 Mg Cu I2 Al Ca
1. 1 answer
2. 423 views
The three substances that can reduce Ag+ to Ag, but will not reduce Sn2+ to Sn areZn Pb H2 Mg Cu I2 Al Ca
1. 1 answer
2. 404 views
Kane Manufacturing has a division that produces two models of hibachis, model A and model B. To produce each model A hibachi
1. 1 answer
2. 730 views
The lighting for a billboard is provided by solar energy. If 6 energy panels generate 10 watts of power, how many panels are
1. 1 answer
2. 768 views
The three substances that can reduce Ag+ to Ag, but will not reduce Sn2+ to Sn areZn, Pb, H2, Mg, Cu, I2, Al, Ca
1. 1 answer
2. 1,020 views
Water is leaking out of an inverted conical tank at a rate of 13500.0 cubic centimeters per min at the same time that water is
1. 2 answers
2. 733 views
2NO + O2 yield 2NO2Suppose that a particular moment during the reaction nitrogen monoxide (NO) is reacting at the rate of 0.074
1. 1 answer
2. 559 views
The sum of two and the product of one and a number xx.
1. 2 answers
2. 511 views
How do you calculator the percent error from a graph?
1. 1 answer
2. 381 views
What would the percent error of the experimental value of g be if the accepted value is 9.8 m/s^2? The slope equation is
1. 1 answer
2. 446 views
What would the experimental value of g be if the slope of the graph represents 1/2 g and the equation is y=5.00x-.0109639087
1. 1 answer
2. 450 views
Solve each system.x-4y-6z=-34 -7x+5y-7z=-24 z=5x-7y+18 These are my answers below but I know that they are wrong: x=-3894
1. 5 answers
2. 927 views
Using your average value for Kc (6.92x10^2) and the concentrations provided for the reactants (0.00111mol/L for both), determine
1. 1 answer
2. 508 views
4e^(-.03x)-7=13
1. 2 answers
2. 408 views
You have 400 feet of fencing to enclose a rectangular plot. Find the length and width of the plot that will maximize the area.
1. 2 answers
2. 4,156 views
5^2x+20*5^x-125=0
1. 2 answers
2. 875 views
Log3(x)=log9(6x)
1. 1 answer
2. 391 views
10^3x-8=2^5-x
1. 4 answers
2. 381 views
Log3(x)=log9(6x)
1. 1 answer
2. 581 views
10^3x-8=2^5-x
1. 1 answer
2. 325 views
Log3(x)=log9(6x)
1. 1 answer
2. 1,895 views
what are the inputs of the following funtions {(-3,2),(-4,2),(8,3),(7,1)}
1. 1 answer
2. 342 views
The rodent population in a city is currently estimated at 70,000 and is growing according to the Malthusian model. If it is
1. 2 answers
2. 960 views
You need to do the fencing of two side by side areas with 102 meters of wood fencing. What is the maximum area that you will be
1. 1 answer
2. 450 views
Simplify3^2 x 5^-3 x 2 Divided by 2^-8 x 3^5 So confused!!
1. 1 answer
2. 409 views
A ship sets sail from Rotterdam, The Netherlands, heading due north at 5.00 m/s relative to the water. The local ocean current
1. 1 answer
2. 1,000 views
What is the answer to this? I don't understand how to solve it.1.2 = 4.6 tan 50 - 4.9 (4.6^2)/(x^2 cos^2 50)
1. 1 answer
2. 420 views
A basketball player shoots a free throw at a 50 degree angle. Assume the ball is released at a height of 1.8 meters, the hoop is
1. 0 answers
2. 599 views
A basketball player shoots a free throw at a 50 degree angle. Assume the ball is released at a height of 1.8 meters, the hoop is
1. 2 answers
2. 1,271 views
A car travels 480 miles on 15 gallons of gasoline. How many miles does the car travel per gallon?My work Myself shows the answer
1. 6 answers
2. 2,151 views
Strong Monarchs and large nation-states in the 1400 helped to?A.increase interest in exploration B.overthrow the bristish empire
1. 2 answers
2. 385 views
A bag contains 5 red, 7 yellow, 8 green markers. What is the p(two green markers) will be chosen if the markers are not replaced
1. 1 answer
2. 600 views
What is the circumference of a circle with a point at the center located at (7,5) and a point of the edge (7,12)?Tell me how you
1. 2 answers
2. 632 views
Kevin is riding a bike with a 1.5 feet diameter. If the tire makes 100 rotations, how far has Sherry traveled? don't tell me the
1. 1 answer
2. 452 views
What is the probability of rolling two dice and getting 3 and a 6? and could you explain how you would get the answer?
1. 1 answer
2. 364 views
Alexis bought x boxes of cereal for $3 each, including tax, and paid with a $20 bill. Which expression represents the total
1. 2 answers
2. 2,476 views
How much pure alcohol has to be added to 400ml of a solution containing 15% alcohol to change the concentration of alcohol in
1. 2 answers
2. 660 views
(h) If a catalyst was added to the reaction, which quantities would change? (Select all that apply.)- the potential energy of
1. 1 answer
2. 1,209 views
Prove the following identities:13. tan(x) + sec(x) = (cos(x)) / (1-sin(x)) *Sorry for any confusing parenthesis.* My work: I
1. 2 answers
2. 1,074 views
Give three additional polar coordinate pairs for thePoint B: (-3,2π/3). -2 < π < 2
1. 1 answer
2. 1,802 views
A 12 foot-high pole casts a 9 foot long shadow, at the same time of day, what would be the length of a shadow cast by a 45
1. 2 answers
2. 1,140 views
What is the separation of colors in a rainbow produced by?(Points : 1) different diffraction for different wavelengths different
1. 3 answers
2. 2,130 views
The Economic Policy Institute periodically issues reports on wages of entry-level workers. The institute reported that
1. 3 answers
2. 2,794 views
Would an atom of silicon form an ionic bond with an atom of helium? Why or Why not?
1. 1 answer
2. 603 views
Do you think that the countries producing sulfur dioxide emissions should compensate their neighbors for the damage being done?
1. 3 answers
2. 589 views
If x=<-6,21>, then 1/3x=Write the final answer in <x,y> form.
1. 0 answers
2. 367 views
I know that I'm using the Law of Cosines, but I'm confused on how to solve. I have to also round my answers to the nearest tenth
1. 0 answers
2. 599 views
Can someone check to see if I'm right? Thanks!Question: Determine if v and w are equal If v = Ray AB and w = Ray CD, where A
1. 0 answers
2. 467 views
Find the limit.lim x→∞ sqrt(x^2+9)
1. 1 answer
2. 452 views
In Our Town, by Thorton Wilder, what does the rain symbolize?
1. 2 answers
2. 792 views
When going up stairs does a person who has more mass do more work and exert more power?
1. 1 answer
2. 1,463 views

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