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Jane

Questions and answers by visitors named Jane

Questions (980)

Simplifying RadicalsA gardener is mowing a 20-yd-by-40 yd rectangular pasture using a diagonal pattern. He mows from one corner
1. 13 answers
2. 6,945 views
1)The root spect means see based on this knowledge what is most like the meaning of the word introspection?A) a carful
1. 45 answers
2. asked by Jane
3. 19,666 views
$Create a visually appealing image that symbolizes the concept of surface tension. Show droplets of water running down a glass surface, with the droplets forming beautiful patterns as they cling due to surface tension. Add the element of warmth by incorporating sunlight refracting through the water droplets, creating a rainbow effect. A visual thermometer should be included showing a temperature of 23 degrees Celsius. Make sure the image contains no text.$
What is the surface tension of water at 23 degrees Celsius?
1. 5 answers
2. asked by Jane
3. 2,551 views
A local citizen wants to fence a rectangular community garden. The length of the garden should be at least 110 ft, and the
1. 17 answers
2. 12,251 views
Completing the square: Which of the following is a solution x^2 + 14x + 112 = 0? If necessary round to the nearest hundredth.x=
1. 7 answers
2. asked by Jane
3. 3,588 views
Alyssa is enrolled in a public-speaking class. Each week she is required to give a speech of greater length than the speech she
1. 7 answers
2. 2,939 views
Village B is 7km due south of village A and village C is 9km due south of B. Village D is 8km from A and is due east of B. Find
1. 7 answers
2. 2,572 views
Andrew arranged the number 1, 2, 3, ...11, 12 into six pairs so that the sum ofany two numbers in a pair is prime and no two of
1. 5 answers
2. 2,238 views
Calculate the resultant of five coplanar forces of values 10N,12N,16N,20N,15N acting on an object at 0
1. 9 answers
2. 3,526 views
How many grams of water will be produced if 32.0 g of nitrous oxide are also produced in the reaction? useing this equation:NH4N
1. 3 answers
2. 1,154 views
The lengths of pregnancies are normally distributed with a mean of 273 days and a standard deviation of 20 days. If 64 women are
1. 5 answers
2. 13,093 views
What are the approximate solutions of 2x^2 -x + 10 = 0In working this, I came up with a negative (-79) under the radical sign.
1. 14 answers
2. 5,466 views
There are 12 more toy cars than toy trucks in a toy box with a total of 38 toy cars and trucks. How many toy trucks are in the
1. 9 answers
2. 11,587 views
The square yard you are mowing has an area of 9600 ft^2. What is the side length of the yard? Round your answer to the nearest
1. 4 answers
2. 1,758 views
The height h in inches of pistons 1 and 2 in an automobile engine can be modeled by h1 = 3.75sin(733t) + 7.5 and h2 =
1. 3 answers
2. 971 views
a computer manufacturer needs to change the dimensions of its foam packaging for a new model of computer. the width of the
1. 3 answers
2. 1,327 views
The velocity of a car (in miles per hour) is given byv(t) = 61.25t − 17.5 t^2 where t is in hours. Write a definite integral
1. 3 answers
2. 1,376 views
Describe how to draw a line that passes through the origin and has a slope of 3/5.
1. 6 answers
2. 4,940 views
Pythagorean TheoremA rectanglar box is 9 in. wide, 11 in. tall, and 20 in. long. What is the diameter of the smallest circular
1. 7 answers
2. 3,526 views
Operations with radical expressions:Simplify each quotient 7/sq rt 2 - sq rt 3 Please solve and explain how you did it. What do
1. 3 answers
2. 808 views
Reasoning: The equation3x^2 + bx + 3 = 0 has one real solution. What must be true about b? I think it is: b must be the same as
1. 4 answers
2. 772 views
A truck is pulling a car.FT is the magnitude of the force that the truck exerts on the car FC is the magnitude of the force that
1. 5 answers
2. 3,977 views
Please help!Calculate the standard change in enthalpy, ΔH°rxn, for the decomposition of calcium carbonate to calcium oxide
1. 3 answers
2. 3,473 views
A surveyor sights two signs and the angle between the two lines of sight measures 55. If the first and the second signs are 70 m
1. 6 answers
2. 6,472 views
Which statement about ethnic groups in Southwest Asia is accurate?A. Arabs are the majority in every country in the region. B.
1. 11 answers
2. 4,446 views
A compound with the molar mass of approximately 142 g/mol has the composition 50.7% C, 9.9% H, and 39.4% N. What is its
1. 4 answers
2. 2,899 views
Common emergencies include bone,joint,and muscle injuries. True or false............ i need help with all of the answers :(
1. 4 answers
2. 1,466 views
Water is drained out of a pool at 50 litres per minute.1 litre = 0.001 cubic metres. How long will it take to drain 1 cubic
1. 3 answers
2. 845 views
What landforms are created by glacial erosion?
1. 10 answers
2. 8,707 views
Describe the differance between chemistry and chemical technology.Technology is the making of applications. Chemical
1. 4 answers
2. 1,406 views
The measured osmotic pressure of seawater is 25 atm at 273K.a.) What is the activity of water in seawater at 273 K? Take the
1. 3 answers
2. 1,206 views
What are the sites for Sally Morgan.http://www.google.com/search?as_q=%22sally+morgan%22+australia&num=10&hl=en&btnG=Google+Sear
1. 1 answer
2. 499 views
I am doing an experiment about rust. I need a way to measure the rust that grows on various nails submerged in glasses of water
1. 1 answer
2. 546 views
I asked about this earlier and got an answer that caused me to rethink my process. Is this a good way to measure iron corrosion:
1. 1 answer
2. 490 views
find a solution for this problem:(2,4), 1/2 = y I do not understand your notation. Are you looking for a function y(x) that goes
1. 1 answer
2. 321 views
Which sentence is correct? 1. Donna is taller than I. 2. Donna is taller than me. No one at school is sure about this answer.Don
1. 1 answer
2. 542 views
How do you solve an eguation with 2 variables?You have to have two independent equations to solve for each of the variables.
1. 1 answer
2. 440 views
can anyone unscrambleoeblssaetn its a baseball word. if you can you're my hero =] stolen base
1. 1 answer
2. 297 views
two fruitflies were mated. Red eys and normal wings are dominant to black eyes and vestigial wings. Female: Red eyes, normal
1. 1 answer
2. 923 views
How do I describe a whale in a "scintific" version?<b>scientific</b>?
1. 1 answer
2. 475 views
Finding the reciprocal of this problem. Would like to know if I am doing it right.(-1/5)(15)= -15/5= -5/15= -1/5 The last step
1. 1 answer
2. 944 views
I have to work out the percentage change in the proportion of carbon dioxide in the atmosphere between certain time periods
1. 3 answers
2. 426 views
problem with permutation -An omelet can be ordered plain or with any or all of the following fillings: cheese, onions, peppers.
1. 1 answer
2. 318 views
Suppose that wo dice, one red and one green are rolled. How Many different outcomes are possible for the pair of dice?
1. 4 answers
2. 1,630 views
Luigi sells one size of pizza but he claims that his selection of toppings allows for :more than 4000 different choices." What
1. 4 answers
2. 2,429 views
How do I convert 289 kilograms/square meter into grams/square centimeter?
1. 1 answer
2. 353 views
Convert 1,953 grams/cubic centimeters into kilograms/cubic meters.
1. 1 answer
2. 450 views
I need to divide this but I am a little confused. I hope this makes sense I tried to make sure I have the parenthesis in all the
1. 3 answers
2. 442 views
Doing a physics lab on elastic material - Asked to list at least three sources of error in measurments and/or laboratory
1. 1 answer
2. 486 views
I have solved parts of the question, but I want to know if they are correct. Other parts I'm not sure how to do, like part b and
1. 1 answer
2. 1,074 views
I would like to know if my answers are correct. I also need help solving some exercises the right way.(a) Explain why [13] is
1. 1 answer
2. 411 views
I'm not sure how to start part(a). I believe part (b) is correct, but just in case I would like to make sure it's correct.(a)
1. 2 answers
2. 494 views
In S(5), let pi=(245)(1354)(125).(a) Write pi as a product of disjoint cycles. (b) Determine pi^2, pi^5, pi^(-1) (c) What is the
1. 2 answers
2. 566 views
What force would you have to exert on a 326-N trunk up a 19.0° inclined plane so that it would slide down the plane with a
1. 5 answers
2. 2,721 views
What is the total charge on all of the electrons in two liters, 2 kg, of water? One mole of water has a mass of 18 g and each
1. 4 answers
2. 482 views
Does anyone know of a good site that explains how the enter the correct amounts to the unadjusted trial balance worksheet?I
1. 1 answer
2. 464 views
What group invaded the indain subcontinent from the black sea area?
1. 1 answer
2. 426 views
What is the term for the process when two cultures blend forming an entirely new culture?
1. 2 answers
2. 630 views
Define a relation R from Z to Z by (x,y) are in the relation if and only if the absolute value of (x-y) is less than or equal to
1. 1 answer
2. 382 views
An airplane has to fly eastward to a destination 856 km away. If wind is blowing at 18.0 m/s northward and the air speed of the
1. 1 answer
2. 489 views
name a point that lies on the circle:(x-2)^2+(y+3)^2=16 I cannot use the points (2,1) or (6,-3) and I can't find another point
1. 1 answer
2. 428 views
A 120 kg football player tries to dive into the endzone at 7.5 m/s to score a touchdown. A 150 kg player dives out of the
1. 2 answers
2. 544 views
Bulb P is rated 60 W, 110 V, and bulb Q is rated 100 W, and 110 V. Which of the bulbs has the higher resistance?they have the
1. 2 answers
2. 503 views
Let A and B be constants such that A < B. Let z be a standard normalrandom variable. For what values of A does
1. 1 answer
2. 420 views
If 2 cards are drawn at random from a standard deck of cards with no replacement, find the probability that both cards are heart
1. 3 answers
2. 625 views
Commercial airliners have a maximum allowable weight of passenger checked baggage. It is known that the distribution of
1. 3 answers
2. 858 views
The weather during Smedley's vacation was strange-- It was cloudy on 13 different days but it was never cloudy for an entire day
1. 4 answers
2. 916 views
The weather during Smedley's vacation was strange-- It was cloudy on 13 different days but it was never cloudy for an entire day
1. 3 answers
2. 614 views
What should never be compromised?
1. 4 answers
2. 351 views
which one of these are true?In a capitalist economy: a) one might a profit b) one would pay no taxes
1. 5 answers
2. 520 views
Consider a sample containing 2.00 mol of a monatomic ideal gas that undergoes the following changes from State A to State D:Stat
1. 3 answers
2. 1,420 views
In an experiment, a car taveling at 88m/s,west slams into a wall and comes to a halt in 0.75 seconds. What is the car's
1. 1 answer
2. 344 views
What in total internal reflection? (diagram please)
1. 1 answer
2. 384 views
Could you please explain "total internal reflection" in simple terms (suitable for a 12/13 yr old.
1. 3 answers
2. 458 views
Solve the following system of equations.x+2y=9 (1) x=3-2y (2)
1. 5 answers
2. 485 views
Soybean meal is 12% protein, cornmeal is 6% protein. How many pounds of each should be mixed together in order to get a 240-lb
1. 4 answers
2. 654 views
How did the Cherokee use the land to get food?
1. 1 answer
2. 333 views
Help - Baldwin's - Notes of a Native Son -1. What are the time periods of the essay? Baldwin does not present them
1. 2 answers
2. 1,082 views
Same type of ?- Using - Notes of a Native Son by Baldwin3. Baldwin uses many different writing techniques in the essay. Find
1. 2 answers
2. 495 views
Analtical method to evaluateLim X -> -infinite
1. 1 answer
2. 391 views
Help - I have three problems that I am stuck on -1. Lim x approaches infinity (x-3/x squared + 4) 2. Lim x approaches 3 x cubed
1. 2 answers
2. 558 views
What is the lock and key theory? Explain.I need to use words such as active site, substrate and catalyst Are there any diagrams
1. 1 answer
2. 468 views
what is the limit of x/(ln x) as x approaches 0?
1. 1 answer
2. 358 views
Well, I'm doing a project that I picked in science and one of the questions said "What are the physical features of Niagara
1. 10 answers
2. 610 views
An automobile with a mass of 1310 kg has 3.10 m between the front and rear axles. Its center of gravity is located 1.78 m behind
1. 2 answers
2. 728 views
In the figure below, a uniform sphere of mass m = 2.50 kg and radius r = 2.4 cm is held in place by a massless rope attached to
1. 2 answers
2. 555 views
describe briefly how a generator works.Well, I'm in the electricity unit of my course, so would this mean I have to describe how
1. 3 answers
2. 494 views
I am lost. Find dy/dx by implicit differentiation.1) 5y-2x^2=x-3
1. 1 answer
2. 368 views
Thanks Remy.I have one more - 2y + 9xy-4=0 I got -9y/2 + 9x
1. 3 answers
2. 527 views
Here's another one - I think that I am starting to understand it.Find dy/dx by implicit differentiation: x^7 = cot y My answer
1. 4 answers
2. 429 views
Answer ? - impicit differentiationFind dy/dx & d^2y/dx^2 y^2 - x^2 = 2 is the answer dy/dx=x/y; d^2y/dx^2= y^2-x^2/y^2
1. 1 answer
2. 409 views
brother is to mother like fly is to? 4 letters and must include scr spr str or thr
1. 5 answers
2. 429 views
Need help to find dy/dx:1) y = (sin x) ^-1/3 answer dy/dx = - 1/ 3(sinx) ^4/3 2) y = sqrt 8 + sin(6x) answer - lost
1. 2 answers
2. 815 views
More questions on - finding dy/dx1) y = sqrt 4 + sin 10 x - I am lost again 2) y = 10/sin x answer: - 10 csc x cot x 3) y = sin
1. 3 answers
2. 399 views
I rewrote the quesiony = sqrt (4 + sin 10x)
1. 3 answers
2. 415 views
Find:1)x^2-y^2=15, normal at (-8,7)
1. 1 answer
2. 301 views
Consider curve given byx^2+ 4y^2= 7 + 3xy.. Three part question A) show that dy/dx = 3y-2x/8y-3x B) Show that there is a point P
1. 2 answers
2. 1,065 views
An airplane flies 200 km due west from city A to city B and then 240 km in the direction of 31.0° north of west from city B to
1. 4 answers
2. 1,663 views
Got a midterm worksheet. Realized how confused I am.Here are some questions: lim x^3 + 12x^2 - 5x/5x x->0 Find the indicated
1. 3 answers
2. 471 views
Calculate the amount (volume) of 5.25% (wt./vol.) NaOCl solution (commercial bleach) required to oxidize 100mg of 9-fluorenol to
1. 2 answers
2. 524 views

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