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Dan
Questions (605)
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The freezing point of a solution is_____ and the boiling point is ___________ than that of a pure solvent.
1 answer
920 views
Water is leaking out of an inverted conical tank at a rate of 60000 cubic centimeters per min at the same time that water is
1 answer
634 views
Could some please tell me if I did these problems correctly? (I know that I did not Cancel common aqueous ions yet)
Question:
3 answers
607 views
This is a four part question, I need help with the fourth part.
1. I found the Gravitational Potential Energy of a gymnast at her
3 answers
735 views
A 190 g air-track glider is attached to a spring. The glider is pushed in 9.8 cm and released. A student with a stopwatch finds
2 answers
1,218 views
A proton is traveling to the right at 2.5×10^7m/s . It has a head-on perfectly elastic collision with a carbon atom. The mass
3 answers
1,837 views
Ball 1, with a mass of 100g and traveling at 12 m/s , collides head on with ball 2, which has a mass of 340g and is initially at
1 answer
1,129 views
Selfish in a sense that most of us fall upon reacting against the injustice of the world upon reacting against the injustice of
1 answer
328 views
how do you convert mg/ml to mg/100mol
2 answers
350 views
A 1100 kg sports car accelerates from 0m/s to 33m/s in 13s What is the average power of the engine?
0 answers
893 views
An elevator weighing 2400 N ascends at a constant speed of 5.0 m/s. How much power must the motor supply to do this?
1 answer
1,763 views
What minimum speed does a 150g puck need to make it to the top of a 3.6m -long, 23 degree frictionless ramp?
1 answer
528 views
How much work must you do to push a 13 block of steel across a steel table at a steady speed of 1.3 for 3.7 ? what is the Wnet
0 answers
571 views
A 710 kg car drives at a constant speed of 23m/s . It is subject to a drag force of 500 N. What power is required from the car's
1 answer
803 views
With what minimum speed must you toss a 160 ball straight up to hit the 15 -high roof of the gymnasium if you release the ball
1 answer
627 views
I have to simplify this:
(y^(1/4)*Z^4)^(-4/5) My answer: (2z)^(1/2)/4z^4 Correct? Simplify (3-2SQRT2)(SQRT6-5) I have no idea how
1 answer
550 views
I have to simplify this:
(x^(1/2) * z^(-4/5)^4 My work: x^2/z^(16/5) Correct? Simplify (3+5SQRT2)(4+SQRT10) I have no idea how to
0 answers
562 views
A sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 7.0×10−3 less than that at sea
2 answers
1,001 views
A 300 ball swings in a vertical circle at the end of a 1.2-m-long string. When the ball is at the bottom of the circle, the
6 answers
2,908 views
what can be a represent as a necleus in a room. and WHY
1 answer
369 views
Hello, I was wondering if you could read my essay and tell me what you think i could do to improve on it.
The problem is, I do
1 answer
1,144 views
I have to write an essay, but I have no idea how to start it. It says that my essay has to be MLA formatted, and only 3/4 to 1
5 answers
1,040 views
Hello I did my math homework, but I need someone to check if I did it right or not.
1. A = z>=4 B = z<7 Write A or B and A and B
2 answers
542 views
I can't fully understand Fermat's principle of least time (the modern version)
1 answer
422 views
Afirm's cost of financing, in an overall sense, is equal to it's?
A: Weighted average cost of capital. B: Required yield that
0 answers
788 views
The bus fare in a city is $1.75. People who use the bus have the options of purchasing a monthly coupon for $29.00. With the
2 answers
1,976 views
Assigning each letter of the alphabet the numerical values of its position in the alphabet (a=1, b=2, c=3, etc) find a familiar
0 answers
488 views
What Net Force is necessary to give a 2.0 kg mass initially at rest an acceleration of 5.0 m/s^2?
Is the answer 10. N?
1 answer
657 views
F=Gm^2/r^2
G=? The answers are: Fr^2/m^2 sqrt(F)m/r sqrt(F)r/m
1 answer
331 views
E=hf-w
w=? The answers are: -E/hf E+hf hf-E
1 answer
340 views
E=hf-w
w=? My answer was E/hf but I think this is wrong.
1 answer
311 views
F=Gm^2/r^2
G=? My answer is Fm^2/r^2. Is this right?
0 answers
277 views
Find f X g
3 sqrt of x+1 X x^3+1
2 answers
355 views
use the functions f(x)=x+4 and
g(x)=2x-5 to find the specified functions. (g X f)^-1 Would the answer be x+1 over 2?
1 answer
420 views
Use the functions f(x)=1/8x-3 and
g(x)=x^3 to find the indicated value or function. (g^-1 X f^-1)(-3)
1 answer
1,299 views
Compare the graph of the function with the graph of f(x)=|x|
y=|-x|
1 answer
363 views
What is the domain of f/g?
f(x)= x over x+1, g(x)=x^3 I have no idea how to figure this out!
1 answer
301 views
Find the domain and range of the functon: f(x)=1/2 |x-2|
1 answer
357 views
Organisms on a rocky shore compete for all of the following except?
1) Affection 2) Nutrients 3) Space 4) Light I think the
1 answer
544 views
Imagine there is a large boulder on the edge of a shoreline. If a wave period is 15 s long. how many times is the boulder hit in
14 answers
823 views
The weights (in pounds) of a sample of five boxes being sent by UPS are: 12, 6, 7, 3, and 10.
a. Compute the range. b. Compute
2 answers
1,543 views
What cell structure/organelle would be especially common in
i)cells lining the respiratory passages? ii)white blood cells that
3 answers
812 views
Which would be more effective in breaking a rope: 2 people pulling a rope tug-of-war style, or 2 people pulling the same end of
1 answer
574 views
A 0.250 kilogram box has a speed of 2m/s when it is 1.2 meters from a second mass. It is sliding on a table with a coefficient
1 answer
530 views
Show that y= x + sinx-pi satisfies the initial value problem
dy/dx=1 + cos x, y(pi)= 0 i don't understand how to do this problem.
1 answer
634 views
What is the probability that 4 rolls of fair die will show three 4's?
the answer is 0.015, but I don't know how to get it.
1 answer
439 views
What is the probability that 4 rolls of fair die will show three 4's?
the answer is 0.015, but I don't know how to get it.
0 answers
436 views
What is the probability that 4 rolls of fair die will show three 4's?
the answer is 0.015, but I don't know how to get it.
1 answer
645 views
find the following derivatives:
f(x) = (2x+5)/(x^2-3) f'(x)= (2)*(x^2 -3)-(2x+5)*2x/(x^2-3)^2 is that correct??? f(x)= (lnx)(cos
1 answer
436 views
find the following derivatives:
f(x) = (2x+5)/(x^2-3) f'(x)= (2)*(x^2 -3)-(2x+5)*2x/(x^2-3)^2 is that correct??? f(x)= (lnx)(cos
1 answer
523 views
t 2 4 6 8 10 12
v(t) 44 42 41 40 37 35 the velocity in the table is decreasing 2 </= x </= 12. Using n=5 subdivisions,
1 answer
482 views
t 2 4 6 8 10 12
v(t) 44 42 41 40 37 35 the velocity in the table is decreasing 2 </= x </= 12. Using n=5 subdivisions,
0 answers
419 views
While shopping for an air conditioner, Adam Bryer consulted the following table giving a machines BTUs and the square footage
1 answer
568 views
what is the derivative of 1/x??
1 answer
310 views
what is the derivative of 1/x??
1 answer
334 views
When you cough, your windpipe contacts. The speed v, with which air comes depends on the radius,r, of your windpipe. If R is the
1 answer
510 views
How do you express the number 6 as two significant figures?
1 answer
392 views
If the column of water in the water bormeter rose to a height of 35 feet, what would the atmospheric pressure be in mm Hg?
5 answers
3,112 views
Fluffy, Spot and Champ combined dog years is 91. Spot is 14 years older than Fluffy, Champ is6 years older than Fluffy. Write
2 answers
479 views
The left and right - hand margins on a sheet of paper are both 1.25 inches wide. The total width of the sheet t of paper is 8.5
3 answers
545 views
Two different isosceles triangles with perimeter 4a+b?
Is this a right angle isosceles triangle?
1 answer
1,185 views
How did the Founders expect to promote civic virtue in a country as large and diverse as the United States?
1 answer
1,115 views
A balloon filled with helium has a volume of 30.0 L at a pressure of 100 kPa and a temperature of 15 degrees C. What will the
2 answers
3,144 views
What is Dalton's law of partial pressures? Explain how this law relates to the fact that mountain climbers must carry tanks of
2 answers
2,590 views
what are three disadvantages of HIPAA?
1 answer
505 views
Evaluate the function at the given value of the independent variable and simplify.
f(x) = 2x2 - 5x + 6; f(x - 1)
2 answers
4,533 views
complex models are always better than simple ones. true or false?
1 answer
810 views
If you're familiar with James Baldwin please help me. I need to identify his writing style. So far I got something in between
1 answer
1,071 views
A monster storm located 1200 km north of Hawaii generates wind waves with maximum wavelengths of 150 m. Calculate how much time
1 answer
617 views
A firm with monoply power has the demand curve:
P = 100 - 3Q + 4A^1/2 And has the total cost function: C = 4Q^2 + 10Q + A where A
3 answers
1,003 views
A linear charge rho L = 2.0 uC lies on the y-z plane. Find the electric flux passing through the plane extending from 0 to 1.0m
0 answers
1,085 views
Using the law of inference, prove if the below argument is valid.
(P1) R -> B (P2) D V R (P3) B /D You may imply all rules of
0 answers
600 views
A football is kicked at 15 m/s with an angle of 35 degrees with the ground.
How long is it in the air? How far will it land? Can
1 answer
705 views
A football is kicked at 15 m/s with an angle of 35 degrees with the ground.
How long is it in the air? How far will it land? Can
0 answers
449 views
A football is kicked at 15 m/s with an angle of 35 degrees with the ground.
How long is it in the air? How far will it land? Can
1 answer
464 views
Darryl Strawberry hits a baseball with a horizontal velocity of 45 m/s and a vertical velocity of 25 m/s...
Find the time it
0 answers
528 views
Can some one check it
Choose apiece of literature you have read and describe how it has affected you. For many people, the image
7 answers
1,012 views
Change in enthalpy problem. Consider the reaction represented below. Referring to the data in the table below, calculate the
5 answers
1,262 views
I have to discuss the growth of modern technology's impact on transaction costs. What points do you think I should discuss?
1 answer
510 views
When it comes to economic decision making, I have to discuss the importance of transaction costs.
Any ideas of the main points I
0 answers
614 views
The equilibrium constant for the reaction of bromine and chlorine to form bromine chloride under certain conditions is 4.7x10-2.
1 answer
1,276 views
A container initially has 0.0186 M ammonia at a certain temperature. When the system reaches equilibrium the concentration of
2 answers
973 views
With regard to pattern baldness in humans (a sex-influenced trait) a woman who is not bacld but mother is bald, has children
1 answer
814 views
Trying to help with 6th grade homework. All I know is the assignment is to write mirror adjective words? Not sure what this
1 answer
439 views
So there is no way profit = price x quantity demanded because I have q=-60p+950 and Revenue or profit=-60p^2+950p. I then have
1 answer
546 views
I have a project and part of it has to do with revenue, demand and profit. I know that Revenue=price x quantity but can profit
2 answers
496 views
Photography - Two men and a woman are lined up to have their picture taken. If they are arranged at random, what is the
4 answers
814 views
Two questions:
1) NaCl+H2SO4+NH3=Cl2+? 2) KF+AgNO3+NH3=? I've been agonising over these for the past few hours, but can't seem to
4 answers
757 views
What happens to pressure when you increase the temperature
Of a gas? PV=nRT if volume is constant, increasing the right side has
0 answers
488 views
A tennis ball is a hollow sphere with a thin wall. It is set rolling without slipping at 4.07 m/s on a horizontal section of a
1 answer
1,070 views
Only a chemist can be trusted with the combination to the safe containing a ton of money. The combination is the pH of solution
1 answer
647 views
When we are given an expression for the Short Run Total Cost Curve (for eg: 8 +
3Q - 1.5Q^2 + 0.25Q^3), how do you derive
1 answer
735 views
Round 427,685 to the nearest thousand.
428,000
0 answers
1,031 views
Three cards are drawn from a deck of 52 playing cards and not replaced. Find the probability of the following:
a). Getting three
0 answers
510 views
Prescribe solutions for business communication problems.
This sounds like the subject of a major paper. In general, most
0 answers
465 views
One more question- how do I balance this half-reaction in terms of atoms?
MnO4^-(aq) -> MnO2 (s) i can't balance the oxygen I
0 answers
648 views
"The percentage of sodium hydrogen carbonate, NaHCO3, in a powder for stomach upsets is found by titrating .275 M hydrochloric
1 answer
2,065 views
how do i balance this equation:
sodium hydroxide reacting with sulfurous acid [1 mol sulfurous acid reacts with 2 moles hydroxide
0 answers
631 views
When posting a journal entry how would I post the following.
March 9 Completed a 7,500 project for a client who must pay within
0 answers
869 views
I need to post a journal entry and a trial balance. Can anyone help???
0 answers
436 views
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