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Nick
Questions and answers by visitors named
Nick
Questions (648)
Some say that the hot air balloons with which the Montgolfier brothers performed their first flight had a volume of 1700 cubic
5 answers
asked by
Nick
4,873 views
Suppose that, on a day when the outside temperature is 15 degrees Celsius, we fill a balloon with pure nitrogen gas, of which
10 answers
asked by
Nick
5,351 views
Kenny wants to invest $250 every three months at 5.2%/a compounded quarterly. He would like to have at least $6500 at the end of
5 answers
asked by
Nick
3,518 views
At some point in the combustion cycle of an engine, the temperature of a combusted air-fuel mixture is 582 degrees Celsius.
6 answers
4,063 views
Suppose that a party balloon is spherical, has a radius of 16 centimetres and is filled with helium. Furthermore suppose that we
7 answers
4,703 views
Using separation of variables, solve the following differential equation with initial conditions dy/dx = e^(2x+3y) and y(0) = 1.
5 answers
2,497 views
What is the molarity of KOH in a solution that has pH of 10.0?
4 answers
1,723 views
A father and his son can clean the house together in 7 hours. When the son works alone, it takes him an hour longer to clean
30 answers
1,833 views
Given the following equation:
2KClO3---> 2KCl+3O2 How many moles of O2 can be produced by letting 12.00 moles of KClO3 react?
7 answers
15,026 views
What is the pH of 6.6 X 10^4 M HCL?
4 answers
784 views
A spacecraft is in an elliptical orbit around the earth. At the time t=0 hours, it is at its apogee (highest point), d=1000 km
3 answers
891 views
If f(x) = sin(7 − 5x), find f′(π), which is the derivative at π:
−0.754 −0.657 0 0.657 3.770 I chose 0.657 ... I did
5 answers
1,958 views
If a rope with linear mass density .167kg/m and is 4m long, what are the lowest four frequencies of standing waves possible on
2 answers
527 views
Answer this please!!!
Noelani was saving Luscious Lemon soda coupons, which came in the caps of the Luscious Lemon sodo bottles.
1 answer
789 views
I am writing a feasiability study on an investment made my a hypothetical company into an internet news company. This idea
1 answer
994 views
Two bumper cars collide. Both cars stop. How do you know that a force has acted on both cars?
did the cars change velocity? (yes,
4 answers
1,663 views
How can I do this:
3KNO3(aq)+ Fe(SCN)3(aq) + NaOH(aq) <---> ? what do you have to do? write the products it makes. I don't know
3 answers
1,478 views
A certain car is about 100in. long and 60 in. wide. You plan to make a model of this car that is 9 in. wide. How long will your
4 answers
1,399 views
How many kilometers are in 153900 mm?
do i just divide by 1000? (Broken Link Removed) Looks like it! =) 30lb=_____kg?
1 answer
345 views
In the inner mitchondrial membrane, hydrogen ions...
A)are pumped in olny one direction. B)are pumped in both directions C)leak
1 answer
376 views
Can you help me unscramble these words to make a sentence?
bloom white lilies the were petals with and stems graceful the white
1 answer
457 views
A personne walking at a speed of 1.7m/s see's a stoped bus 25m from him. At this moment this person starts to run with an
1 answer
525 views
What is a partial-products algorithm. For example 87*65=? How do you do it and show your work?
Here is how Chicago Math does it:
1 answer
261 views
Avondale and Newtown are 45 miles apart. How many inches is this on a map with a scale 1inch=20miles?
I set up a proportion:
4 answers
1,269 views
Complete Predicate.
The Snake wrapped itself around the tree. (wrapped itself) is that the correct answer?
9 answers
403 views
Okay. I have questions like "Walks ten meters in 3 seconds" . How do I find her walking rate. After that I have to find an
3 answers
1,020 views
You know for the story "The Prosepector's Trail" by Cathy Jewison.
Im supposed to be Norman and write a letter to Jennifer 1 year
2 answers
819 views
The combustion of carbon monoxide is represented by the equation below:
CO (g) + 1/2O2 (g) ----> CO2 (g) a) determine the value
4 answers
1,099 views
find the area of a circle inscribed in triangle ABC where a=9, b=13, and the measure of angle C=38 degrees
4 answers
419 views
I need help answeringthis question about a poem. i will write the instructions below..Thank you
How does Martin Espada use
15 answers
2,188 views
I have a test on the general concepts of thermochemistry tomorrow.
how should i study for it since its not based on problem
3 answers
586 views
OKay i need help thinking of more traits to describe oedipus.
the question is: How do Oedipus's personal characteristics interact
1 answer
491 views
Book on Every day heroes. was trying to find book to have at home, teache won't let us take home. Need to do an essay.
3 answers
971 views
this question does not make sense to me.
Add the proper constant to the binomial so that the resulting trinomial is a perfect
3 answers
1,156 views
My teacher wants us to find another name for winter. Can anyone help me?
1 answer
282 views
In the multiplication shown below, the digits have been replaced by
letters: different letters represent different digits, and
1 answer
481 views
What day of the week is 263 days from Monday? That is Monday 12-10-2007.
Is it Wednesday?
2 answers
494 views
In the multiplication shown below, the digits have been replaced by
letters: different letters represent different digits, and
4 answers
1,438 views
Solve x^4 - 12x - 5 = 0 given that -1 + 2i is a root.
I’ve used synthetic division to get the answers x = 1 +/- 2i , 1 +/- sqrt
5 answers
2,122 views
a 75kg skater is travelling at 15m/s stops suddenly on the ice. If the ice is at 0 degrees and it is assumed that all of the
3 answers
590 views
<b>Titanium metal has a body-centered cubic unit cell. The density of Titanium is 4.50 g/cm^3. Calculate the edge length of the
4 answers
3,529 views
Sorry, I have one other question. How would I go about solving this problem?
<b>What fraction of the total volume of a closet
4 answers
416 views
A motor running at its rated power provides 2.6 lb-ft torque at its rated speed of 2020 rpm. The motor draws 5.6-A from a 230-V
2 answers
562 views
A steady horizontal force F if magnitude 21N is apllied at the axle of a solid disk. the disk has mass 2.0kg and diameter of
6 answers
2,280 views
Hello everyone!
I have a question about feature articles... How is it suppose to look like? Can you find me a feature article on
3 answers
532 views
How do the local schools contribute to the weather forecast?
thx a lot!!
3 answers
374 views
I need help with factoring trinomials completely. My teacher's example is:
2x^2-12x+18 2(x^2-6x+9) 2(x-3)(x-3) I need help with:
5 answers
446 views
Ok I get most of the problems except for these last two.
x^2-16=0 and x^2=36 I seem to have trouble with the simplest of problems
3 answers
462 views
These simple ones kill me:
16y^2=49 Thanks
5 answers
483 views
How many PEOPLE have served in World War I??
3 answers
343 views
So I guess I have to:
Solve the system using any algebraic method. I'm not sure how so here is the problem I'm stuck on.
4 answers
463 views
Can students under the age of 18 play a role in the American political system?
1 answer
346 views
A geologist stands on the shore of a lake in Ontario with a theodolite and finds that the angle of inclination to the top of a
1 answer
416 views
Perform the basic conversion. Give exact answers
i)0 degrees = ____ rad ii)90 degrees = _____ rad iii)180 degrees = _____ rad
2 answers
524 views
Lab: Determining Ka of Acetic Acid
Purpose: The purpose of this experiment is to determine the molar concentration of a sample of
5 answers
4,876 views
I need to list some jobs where people use algebra and write how they use it. I know about every job uses it, but I don't know
3 answers
524 views
How did colonial powers control african countries?
1 answer
369 views
ok i am writing an analysis, contrasting me to another character in romeo and juliet
i need help on trying to get it started and
3 answers
473 views
advantages and disadvantages of patient roles. I've tried google, but found nothing.
1 answer
424 views
What is a convex polygon and a nonconvex polygon?
2 answers
479 views
What should you always use when handling hot utensils?
3 answers
315 views
In the sentence:
After school, we ran to the playground. is After a preposition?
1 answer
419 views
the tens digit of a two digit number is 6 more than the units digit. the number is 36 more than the number when the digits are
9 answers
554 views
you are buying beads and string to make a necklace. the string coast $1.50 a pack of 10 decorative beads costs $0.50 and a pack
7 answers
2,626 views
Dr. Bob222 I am sorry for my improper use of grammar. (not intended in a smart alike way.)
you are buying beads and string to
3 answers
536 views
mass of star = 3.80 x 1030 kilograms
mass of planet = 6.35 x 1024 kilograms mass of moon = 7.63 x 1022 kilograms average distance
2 answers
861 views
How do I evaluate lim as h->0 [5((1/2)+h)^4 - 5(1/2)^4]/h
6 answers
2,494 views
Can someone help me with this calc problem?
lim as x->0 (tan^3 (2x))/(x^3)
3 answers
426 views
What am i supose to do here?
A chemist performs the following experiment: 2FeCl3 + 3CaCO3 ---> Fe2(CO3)3 + 3CaCl If he starts
3 answers
432 views
A ballon rises at 14m/s, a boy in the ballon throws a ball straight up at 24m/s. How much later does he catch the ball?
1 answer
367 views
How many volts does a Printer have?
thanks
3 answers
398 views
The rotor in a shaded-pole motor consists of
a. coils energized by alternating current b. a short-circuited loop of copper wire
1 answer
463 views
I am doing a power point on hydraulic brakes but I can't find any diagrams of a simple hydraulic brake that points out all the
3 answers
451 views
T-table
Y X 1 -3 3 1 5 5 7 9 a) y=2x-5 b) y=3x-4 c) x=4y-3 d) y=7x-2 which equation does relate to the t-table???
1 answer
151 views
I am not quite sure how to do this problem, it doesn't seem to fit into any of my given equations:
A gas has a volume of 35.5L
4 answers
438 views
Suppose 13.7kJ of heat are removed from 33.5g liquid sample of ethanol at 26.8^oC. When all this heatis removed from the
1 answer
435 views
a compound that has positive and negative ions in a regular pattern or crystal is an_______________
5 answers
1,299 views
Engineers at a national research laboratory built a prototype automobile that could be driven 180 miles on a single gallon of
3 answers
552 views
Business Week, in an article dealing with management, wrote, "When he took over the furniture factory three years ago...[the
3 answers
1,063 views
Here are some descriptions and I need to know the correct character:
1.I complained and became a leper 2.I was able to interpret
5 answers
531 views
I can't figure any of these problems out any help would be nice peace.
Show all steps used to solve the problem. 1.5n + 6 = -4
1 answer
388 views
Multiple Choice: For each of the given family incomes, find the maximum amount the family should be able to spend on a house.
5 answers
519 views
Using your knowledge of atoms describe reasons the paper's physical properties are different from the water's physical
2 answers
481 views
Two readings are taken from an aircraft's flight record
Time - 08:55 Distance travelled - 957 Time - 09:07 Distance travelled
2 answers
591 views
What is the probability that a random sample of 25 swimmers results in a sample mean of 49 seconds or less?
5 answers
457 views
A significant difference between monopoly and perfect competition is that:
A. free entry and exit is possible in a monopolized
2 answers
1,042 views
I am trying to figure out a lettern pattern and what comes next
A,Y,C,W,__ __ ___ I need to explain the rule for this pattern but
3 answers
419 views
A car traveling 56 km/h is 21.0 m from a barrier when the driver slams on the brakes. The car hits the barrier 2.17 s later.
a)Wh
3 answers
716 views
An electric vehicle starts from rest and accelerates at a rate of 3.0 m/s2 in a straight line until it reaches a speed of 26
3 answers
961 views
The head of a rattlesnake can accelerate 50 m/s2 in striking a victim. If a car could do as well, how long would it take to
3 answers
1,492 views
(a) If the maximum acceleration that is tolerable for passengers in a subway train is 1.52 m/s2 and subway stations are located
2 answers
876 views
(a) If the maximum acceleration that is tolerable for passengers in a subway train is 1.52 m/s2 and subway stations are located
4 answers
1,595 views
A lead ball is dropped into a lake from a diving board 5.24 m above the water. It hits the water with a certain velocity and
2 answers
641 views
A lead ball is dropped into a lake from a diving board 5.24 m above the water. It hits the water with a certain velocity and
4 answers
6,412 views
A ball thrown from the edge of a 35m high cliff takes 3.5s to reach the ground below. What was the ball's initial velocity?
3 answers
801 views
Two diamonds begin a free fall from rest from the same height 0.9 s apart. How long after the first object begins to fall will
2 answers
944 views
Two diamonds begin a free fall from rest from the same height 0.9 s apart. How long after the first object begins to fall will
3 answers
841 views
How do I perform the right hand rule? I'm confused.
1 answer
357 views
What is the magnitude of the acceleration of a sprinter running at 9.0 m/s when rounding a turn of a radius 26 m?
3 answers
868 views
In the figure below, a stone is projected at a cliff of height h with an initial speed of 45.0 m/s directed 60.0° above the
1 answer
685 views
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