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Veronica

Questions and answers by visitors named Veronica

Questions (281)

A rectangular field is 0.4m longer than it is wide if it's length is 6m ,find it's Perimeter when the breadth of the rectangle
1. 9 answers
2. 1,103 views
Determine the concentration of CO32- ions in a 0.18 M H2CO3 solution. Carbonic acid is a diprotic acid whose Ka1 = 4.3 × 10-7
1. 5 answers
2. 11,917 views
I can't get this!If 4.00 g of H2 are made to react with excess CO(g) how many grams of CH3OH(l) can theoretically be produced
1. 4 answers
2. 1,520 views
Okay, I need major help! Can someone tell me if these statements are true or false ASAP please. Thank you.1. If ƒ′(x) < 0
1. 9 answers
2. 4,274 views
The following reaction: SO2 (g) <====> SO3 (g) + NO (g) having reached a state of equilibrium, was found to contain 0.40 M SO3,
1. 6 answers
2. 1,485 views
A dock worker applies a constant horizontal force of 79.0 N to a block of ice on a smooth horizontal floor. The frictional force
1. 2 answers
2. 640 views
You have landed on an unknown planet, Newtonia, and want to know what objects will weigh there. You find that when a certain
1. 4 answers
2. 4,679 views
Homework grades are 5% of the overall grade. Lab work is 15% of the overall grade. Tests are 60% of the overall grade. The Final
1. 1 answer
2. 628 views
How do you balance equations?http://www.chemistry.ohio-state.edu/betha/nealChemBal/ The reactants are written on the left and
1. 1 answer
2. 968 views
If i have 21 grams of hydrogen, how many atoms of hydrogen do i have?There are 6.023 x 10^23 atoms in 1 gram of hydrogen. So how
1. 1 answer
2. 469 views
My daughter brought home a work sheet and I have no clue where to begin to help her and she seems to have no clue either.the
1. 7 answers
2. 791 views
The electricity meter on Donna's houseread 71,236.4 kwh at the beginning of March and 73,196.2 kwh at the end of March. She pays
1. 1 answer
2. 408 views
24.5 ml of water are added to a 1.20 molar solution of nitric acid. If the concentration decreases to 0.55 molar, what volume of
1. 1 answer
2. 416 views
HelloI have an exam coming and my question is : Why do we sometimes have a tiny electical current ( spark ) when we take our
1. 1 answer
2. 509 views
In one study of smokers who tried to quit smoking with nicotine patch therapy, 39 were smoking one year after the treatment, and
1. 3 answers
2. 1,417 views
There is one pond in which one lotus gets doubled everyday. In 20 days pond is half filled. so how many days it will take to get
1. 3 answers
2. 2,319 views
Using the quadratic formula solve xsquared=2/3xUsing the quadratic formula solve xsquared=2/3x x^2 - 2x/3 = 0 x =
1. 1 answer
2. 491 views
I have no idea how to do this problem1/2(6-2x)+2greater than or equal to sign3 If u can break it down step by step
1. 1 answer
2. 348 views
A Parking Lot is full of automobiles.Does the number of wheels in the lot depend on the number of automobiles.
1. 4 answers
2. 805 views
please someone give me a hand at this problem. . .Describe the Bohr model of the atom. What is Bohr’s key idea (involving
1. 2 answers
2. 602 views
What are the factors of:60,63,56,85,106,40, please i need these answers NOW!! IT'S DUE TOMORROW!! I BEG OF YOU!
1. 20 answers
2. 497 views
1. A car travels 20 mi/hr for 2 hours and then 30 mi/hr for 3 hours.a) For 0<t<2 let c(t) be the distance the car has traveled
1. 1 answer
2. 961 views
Marketing is a management process that identifies , anticipates and supplies customers requirements profitably and effiecentlyCa
1. 2 answers
2. 762 views
how do we plot this on a graph-2x+y=4
1. 3 answers
2. 347 views
While I was doing some exercises on setsA question accured " M = {a,e,i,o,u} a) how many subsets are there of M ? When I did it
1. 7 answers
2. 700 views
Where I can find (an already made) timeline of the evolution of skin colour? I am trying to compare mine with something, so I
1. 3 answers
2. 385 views
theres a question on my homework packet.Here it is: -The Data contains 7 elements. -all the elements are greater than 6 but less
1. 3 answers
2. 1,172 views
How do I use the product rule to solve these two questions. Much appreciated! xoFind the derivative for k(x) = (5x4 + 2)(3sin x)
1. 2 answers
2. 570 views
Find the derivative for k(x) = (5x4 + 2)(3sin x).Would this be the answer: (60sinx)x^3+ (15cosx)x^5+ 2
1. 4 answers
2. 850 views
Find the derivative: h(x)=7x/sqrt(5-2x)Using the chain rule...I figured out my previous post.
1. 2 answers
2. 761 views
What is the derivative of y = ln 3x2?a) y' = 2/x b) y' = ln 6x c) y' = 2 ln3 d) y' = e6x I think it's d.) Thanks.
1. 1 answer
2. 421 views
complete each statement. (round to the nearest hundreth).7L= ------ qt
1. 1 answer
2. 434 views
Mark uses 1 pt 9 fl oz and then 2 pt 10 fl oz from a container of film developer that holds 3 qt . How much of the developer
1. 3 answers
2. 414 views
Identify the rate, base, and amount in each rate 75% statement or question. Do not solve the base 150 exercise at this point.150
1. 2 answers
2. 1,003 views
I performed a TLC of plant pigments in my lab class with a solvent of petroleum ether/ acetone (7:3) and used a silica gel
1. 2 answers
2. 681 views
What role did educated Africans play in bringing about independence
1. 1 answer
2. 368 views
I guess 4th grade math is getting more dificult or Mom is getting not to smart. Find the value of 7n when n is 7,565?
1. 4 answers
2. 419 views
why does jewish law prohibit the eating the flesh of the pig?
1. 1 answer
2. 390 views
Paloma has 3 jackets, 6 scarves, and 4 hats. Determine the number of different outfits consisting of a jacket, a scarf, and a
1. 4 answers
2. 1,231 views
Could I get some revising hints on the following homework - writing an email to a client on my employer's behalf to set up a
1. 4 answers
2. 455 views
1 )3x + 8y = 17x + 4y = 17 Answer: (3,1) 2) -3x + 5y = -7 9x + 2y = 38 Answer: (4,1) 3) 7r + 3s = 13 14r - 15s = -16 Answer:
1. 4 answers
2. 1,487 views
A spinner four inches in diameter is divided into six equal sectors. What is the area of each sector?
1. 1 answer
2. 417 views
I am having a hard time figuring out the distane between two points the points are (9.8,-9.9)(-7.5,-5.5)I have the formula but i
1. 4 answers
2. 421 views
Find the distance between the pair of points (-6.2,4.6)(-4.5,0.6) i have the distance as 141.50 and their answer is 4.35. how
1. 1 answer
2. 352 views
A high school has 900 students, 40% of whom are drama majors. A second high school has a 75% drama majors population. The school
1. 7 answers
2. 863 views
what is the root of 4x to the 4th power + 8x to the 3rd power - 13x to the 2nd power -2x +3
1. 4 answers
2. 467 views
Solve for all values of x:sin3x = 1/2
1. 1 answer
2. 374 views
Please prove:2sinx+sin2x = 2sin^3(x)/1-cosx
1. 2 answers
2. 528 views
prove:2sinx+sin2x = 2sin^3(x)/1-cosx
1. 3 answers
2. 1,089 views
Solve for x:sin3x=1/2 Can someone please help me with this porblem? I'm not sure if my answers are right, but I obtained
1. 3 answers
2. 443 views
1) A wave with frequency 3.1 Hz and amplitude 2.7 cm moves in the positive x-direction with speed 5.6 m/s. Determine the
1. 3 answers
2. 721 views
1. How many nodes (counting nodes at the ends), are present in the displacement oscillations of an open-closed tube (oboe) that
1. 3 answers
2. 521 views
A 3.00 kg object has a velocity (5.20 ihat - 2.40 jhat) m/s. (Note: From the definition of the dot product, v2 = vvec·vvec.)(a)
1. 2 answers
2. 641 views
How do you solve this?8-2(t-1)=t+7 The answer is suppose to be 1 u-8-3u=2u+7 The answer is suppose to be -15/4
1. 1 answer
2. 368 views
How do you express sin4x as a trigonometric function of x?
1. 2 answers
2. 1,303 views
A solution contains 20g of C^6H^12O^6 in 250g of water. What is the freezing-point depression of the solvent? What is the
1. 2 answers
2. 611 views
Determine the boiling point elevation of H2O in the following solutiona 2.5 m solution of C6H12O6 in H2O All i need is the
1. 5 answers
2. 1,502 views
What is the molar mass of a molecular solute when 5g of the solute dissolved in 150g of phenol lowers the freezing point 1.5C?do
1. 1 answer
2. 458 views
Determine the molar mass of an unknown nonelectrolytic solute when 7.55g of the solute dissolved in 125g of aniline raises the
1. 1 answer
2. 477 views
What are the independent and dependent variables when determining the percentage water in hydrated copper sulfate salts, while
1. 1 answer
2. 1,152 views
A player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 m/s. What is the
1. 2 answers
2. 1,054 views
Garison Ford has complained that his supervisor has not given him an opportunity to take on any of the more serious field
1. 1 answer
2. 340 views
Pewee adds two liters of pure alcohol to a 30% solution of alcohol in water. If the new concentration is 40%, how many liters of
1. 4 answers
2. 1,387 views
The "bureaucracy is often at odds with elected officials and their appointees, who by contrast often get elected or appointed on
1. 2 answers
2. 478 views
Imagine that you are a railroad worker in the late 19th century in America. The Great Railroad Strike of 1877 has just begun as
1. 3 answers
2. 628 views
I have a multiple choice question, I've narrowed it down to 2...A case in medical ethics is paradigmatic when it a. is similar
1. 2 answers
2. 506 views
You are trying to overhear a juicy conversation, but from your distance of 15.0m, it sounds like only an average whisper of 25.0
1. 4 answers
2. 3,720 views
How many milliliters of 0.135 M HCl are needed to completely neutralize 56.0 mL of 0.101 M Ba(OH)2 solution?
1. 2 answers
2. 630 views
How many moles of HNO3 are present in 35.0 mL of a 2.60 M solution of nitric acid?
1. 2 answers
2. 582 views
How many milliliters of 1.40 M KOH solution are needed to provide 0.120 mol of KOH?please explain how to solve
1. 3 answers
2. 659 views
Calculate the molarity of a solution made by dissolving 0.680 grams of Na2SO4 in enough water to form exactly 940 mL of
1. 7 answers
2. 538 views
How many moles of KMnO4 are present in 300 mL of a 4.90×10−2 M solution?
1. 2 answers
2. 546 views
You have a stock solution of 16.0 M {{NH}}3. How many milliliters of this solution should you dilute to make 1500 mL of 0.200 M
1. 4 answers
2. 2,150 views
If you take a 10.0-{mL} portion of the stock solution and dilute it to a total volume of 0.700 L, what will be the concentration
1. 3 answers
2. 1,144 views
Do you guys proofread our essays its only about 2 pages.
1. 3 answers
2. 433 views
This Is a Argumentative Essay On Plymouth,Massachusetts, Can you see if I need some corecctions?Plymouth, Massachusetts “The
1. 2 answers
2. 624 views
*REDO*This Is a Argumentative Essay On Plymouth,Massachusetts, Can you see if I need some corecctions?“The cowards never
1. 1 answer
2. 441 views
What would be a wise qoute about sleepovers???
1. 1 answer
2. 324 views
A person pulls a toboggan for a distance of 30.0 m along the snow with a rope directed 15.0° above the snow. The tension in the
1. 1 answer
2. 477 views
solve (x-3)(x+3)<0.
1. 1 answer
2. 264 views
While walking along the beach John gives off 120 kj of heat andn his internal energy decreases by 260 kj. How much work is done
1. 1 answer
2. 940 views
Okay, I have been given a trigonometric equation to solve (sin^2(theta) + cos(theta) = 2). So far, I have been able to use the
1. 2 answers
2. 608 views
Having trouble with true/false questions in Trigonometry. They read as follows -True or False: For a trigonometric function,
1. 3 answers
2. 3,302 views
Having trouble with true/false questions in Trigonometry. They read as follows -True or False: For a trigonometric function,
1. 2 answers
2. 1,202 views
Which of the following are trigonometric identities, I have narrowed it down to two -(cscx + cotx)^2 = 1 OR sin^2(x)sec^2(x) + 1
1. 3 answers
2. 809 views
Okay, today, I find myself utterly dumbfounded by these three questions -Write a proof for - 2/(sqrt(3)cos(x) + sin(x))=
1. 2 answers
2. 783 views
For each of the following descriptions, identify a possibLe underlying personality trait.1) Jenny is described by her coworks as
1. 3 answers
2. 533 views
(2 the square root of 3+1)(the square root of 3-4)
1. 1 answer
2. 260 views
Okay, Assume the triangle has the given measurements. Solve for the remaining sides and angles.A = pi/6; a = 17.4; b = 19.6
1. 2 answers
2. 739 views
Okay, Assume the triangle has the given measurements. Solve for the remaining sides and angles.A = pi/6; a = 17.4; b = 19.6
1. 1 answer
2. 425 views
My question is that how can fe=fe(oh2)be balanced in a basic solution....THANKS IN ADVANCE.
1. 1 answer
2. 276 views
Calcium carbonate, CaCO3(s), decomposes upon heating to give CaO(s) andCO2(g). A sample of CaCO3 is decomposed, and carbon
1. 2 answers
2. 1,343 views
ABCD is an isosceles trapezoid with a height of 4 inches and bases of 10 and 12 inches .What is the perimeter of this trapezoid
1. 2 answers
2. 642 views
So I have this problem:Dave can vote. (18 or over.) Dave is 5 years older than Jim. Jim is not old enough to vote. Write a
1. 3 answers
2. 535 views
Why is unnecessary to measure precisely 25 ml of unknown acid into the beaker?
1. 1 answer
2. 377 views
How can I get the answer:9 / 3.8 - 2.3 I don't know if I need to divided first or get the difference. Thank you for helping me.
1. 3 answers
2. 327 views
I am very sorry but I was wrong with the problem.The math problem is: 9 / (3.6-2.1) Thank you Anonymus for your answer but I
1. 3 answers
2. 558 views
Thank you for your help Anonymus.
1. 1 answer
2. 176 views
A Carnot engine uses a steam boiler at 100°C as the high-temperature reservoir. The low-temperature reservoir is the outside
1. 2 answers
2. 804 views
will acidic foods cooked in a cast iron skillet become Fe+2 enriched because of a reaction beteen the acidic food and the
1. 3 answers
2. 1,195 views

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