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matt
Questions (569)
A gaseous mixture contains 75 grams of N2 and 25 grams of Ar. What is the pressure due to Argon?
1 answer
361 views
how to devide
34/123.08
4 answers
533 views
A cue ball traveling at 4.0 m/s makes a glancing, elastic collision with a target ball of equal mass that is initially at rest.
0 answers
1,322 views
61 kg soccer player jumps vertically upwards and heads the 0.45 kg ball as it is descending vertically with a speed of 29 m/s.
2 answers
492 views
A pitcher claims he can throw a 0.157 kg baseball with as much momentum as a 1.5 g bullet moving with a speed of 1.50 multiplied
0 answers
830 views
A bicyclist is riding at 15 mph and her bike has wheels with a radius of 14 inches. She rides over a wad of gum which sticks in
1 answer
489 views
two investments were made totaling $15,000. for a certain year these investments yielded $1432 in simple interest. part of the
2 answers
2,132 views
8x-5y-x=9-y
1 answer
337 views
a bus driver wants to average at least 40 miles per hour on a 70 mile trip. if the first 35 miles takes the driver 1 hour what
1 answer
655 views
A 0.1943g iron ore sample was dissolved in hydrochloric acid and the iron was obtained as Fe 2+ (aq). The iron solution was
2 answers
2,323 views
tom scores 83,88,75, and 90 on the first 4 tests in algebra. what does he need to get on the 5th test to have an average of 85?
2 answers
1,100 views
A cow on a trebuchet is catapulted toward a castle wall. The cow is released with an inital velocity of 50 m/s at a 60 degree
1 answer
627 views
A cow on a trebuchet is catapulted toward a castle wall. The cow is released with an inital velocity of 50 m/s at a 60 degree
0 answers
606 views
the time that a traffic light remains yellow is 1 second more than 0.05 times the speed limit. what is the yellow time for a
1 answer
411 views
Two workers are loading crates onto a pick up truck. Worker 1 lifts his crate straight up from the ground to the truck. Worker 2
1 answer
744 views
Three identical balls are thrown from the top of a building, all with the same initial speed. The first is thrown horizontally,
2 answers
2,604 views
Is it possible for a frictional force to increase the mechanical energy of a system? If so, give examples.
0 answers
503 views
Explain each of the following questions.
( a) Can an object– Earth system have kinetic energy and not gravitational potential
0 answers
561 views
Three identical balls are thrown from the top of a building, all with the same initial speed. The first is thrown horizontally,
0 answers
709 views
Is it possible for a frictional force to increase the mechanical energy of a system? If so, give examples.
0 answers
441 views
Explain each of the following questions.
( a) Can an object– Earth system have kinetic energy and not gravitational potential
1 answer
598 views
Two workers are loading crates onto a pick up truck. Worker 1 lifts his crate straight up from the ground to the truck. Worker 2
0 answers
566 views
using the values for heat of fusion, specific heat of water, or heat of vaporization, calculate the amount of heat energy.
Calori
2 answers
937 views
13) You are told that the mean height of trees around the Physics building is 8 feet tall, with a standard deviation of 1.5
3 answers
508 views
which number is greater 3.546 or 3.56
4 answers
358 views
what is the pH of the buffer when 4ml of 1M HCl is added to a 100ml buffer solution made using 5ml 1M Na2HPO4 and 5ml 1M
0 answers
726 views
What happens when 4ml of 1M HCL is added to 100ml buffer made using 5ml 1M Na2HPO4 and 5ml 1M NaH2PO4? The pKa for H+ + HPO4- =
1 answer
749 views
how can fisherman save gas
2 answers
758 views
The volume of a cone is three hundred cubic kilometers. If the radius of the base is 9 kilometers, what is the height of the
2 answers
520 views
1.)Under the Articles of Confederation, _____.
a)coordination among the States was difficult *b)Congress held both legislative
2 answers
1,026 views
1.) Write the equation for the line in slope-intercept form:Slope: m=3; Y-intercept: B=7
*y - 3 = 7(x - 3) *y = 3x + 7 *y = 7x -
1 answer
670 views
I don't fully get this stuff but some of these I guessed on and some I think I;m close so will someone check/ help me please? *
1 answer
615 views
write as an algebraic expression. 4 times the difference of a number and 3?
3 answers
923 views
how many joules are required to evaporate 1 gram of boiling water?
2 answers
1,208 views
one clerk can stuff every 30 seconds the 2nd clerk i every 40 seconds. how long will it take them to stuff 140 envelopes
1 answer
943 views
can fear be the mood of an essay iff not can you give me examples of the mood of an essay
1 answer
394 views
how do you use doubel-angle formulas to find sin, cos, and tan
0 answers
351 views
What is the answer to t=100(n+3)? Solving for N.
1 answer
416 views
How does oxygen production relate to the rate of photosynthesis?
1 answer
788 views
Let A(x) be the area of the rectangle inscribed under the curve
with vertices at (-x,0) and (x,0), x > 0. a. Find A(1). b. What
1 answer
1,427 views
the area around the great lakes was once covered by thick sheets of ice. Use the principal of isostasy to explain how the
2 answers
1,411 views
write this equation in standard form.
y=1/2x2+12x-8 y equals one half x squared plus 12x minus 8
0 answers
661 views
U-Substitution
1. 3x(sin^2((3x^2)+1)cos((3x^2)+1)dx 2. (x^3)(sqrt((3x^2)+1)) dx u = ((3x^2)+1) then?
1 answer
475 views
A farmer has 1000ft of fence and wishes to enclose the largest possible area that has four individual square pens bordered by a
5 answers
737 views
Find the slope of the line containing the points (-9, 1/2) and (-5, 1/2)
2 answers
530 views
write an inequality that expresses when you would use a 20% off coupon for $5 off when you spend $20 or more.
0 answers
469 views
The formula R= -0.75t +385
can be used to predict the world record in the 1500-m run t years after 1930. Determine (in terms of
0 answers
562 views
A metal stays solid at Fahrenheit temp below 1868.5
Determine (in terms of an inequality) those Celsisu temp, for which the metal
2 answers
1,243 views
A mt. with the base 11,554 feet below sea level rises 18,403 feet. What is the elevation above sea level of its peak? What is
2 answers
742 views
A bag contains 13 balls numbered 1 through 13. What are the odds in favor of selecting a ball that has an even number? Explain
2 answers
3,045 views
In the sentence below is the verb divided transitive or intransitive.
We divided the rest of the cake among us.
1 answer
384 views
what would be the next sequence in george, thomas, abe, alexander,...and why
3 answers
4,875 views
which is false?
Consider the following processes: I. Energy flows as heat from a hot object to a colder object II. Work is done
1 answer
615 views
which is false?
Consider the following processes: I. Energy flows as heat from a hot object to a colder object II. Work is done
1 answer
1,334 views
The heat capacity of object B is twice that of object A. Initially A is at 300 K and B is at 450 K. They are placed in thermal
9 answers
11,396 views
1) what is the mass of 10 cc of water?
2) why does a block of wood float on water? 3)how and why can density by used to identify
1 answer
585 views
It's in sigma notation, so I'm not sure how to type it. I'll just use E lol.
Find each sum. 6 E (n+1)/(n+2) n=1 Is this a
1 answer
499 views
P 4-6 "University Physician Compensation"
Physicians practicing in eastern University's hospital have the following
2 answers
1,181 views
House mortgage
You have just purchased a house and have obtained a 30-year, $200,000 mortgage with an interest rate of 10
0 answers
956 views
Mr. Jones intends to retire in 20 years at the age of 65. As yet he has not provided for retirement income, and he wants to set
1 answer
1,253 views
what is the greatest danger from volcanoes??
a. watery lava b. mud flows c. oxygen d. bulging of the earth's crust
1 answer
513 views
a unified germany was built around the nucleus of the kingdom of?
1 answer
367 views
what can i write as an essay to convinse my teacher not to give me homework next week
0 answers
215 views
i have to write a thesis on the movie freedom writers and im cluless i wathced the movie but am stuck any clues on what to do?
3 answers
522 views
what is the slope and y-intercept of the line 3x-2y=12?
1 answer
607 views
Use Newton's Law of Gravitation to compute the work W required to launch a 1500 kg satellite vertically to an orbit 800 km high.
1 answer
761 views
Use Newton's Law of Gravitation to compute the work W required to launch a 1500 kg satellite vertically to an orbit 800 km high.
0 answers
750 views
Find the numbers b such that the average value of f(x) on the interval [0, b] is equal to 9.
f(x)=7+10x-3x^2
1 answer
576 views
Use integrals to prove that the volume of a sphere of radius
R is equal to (4/3)(pi)R^3
2 answers
576 views
If a cube with edges of 1.000 cm weighs 25.68 g, what would the mass of a cube
of the same material with sides 2.63 cm in length
3 answers
993 views
The tread depth of the tires on your family's new car is 3/8 inch. you predict that, as a result of driving the car, the change
2 answers
909 views
What is the rule of 30 and who came up with it?
I can't find the answer to this question and was wondering if anyone knew what is
2 answers
498 views
A 1 kg object starts 3 meters from the ground on a 24 degree incline with a friction coefficient of 0.12. When it hits the
1 answer
554 views
A 1 kg object starts 3 meters from the ground on a 24 degree incline with a friction coefficient of 0.12. When it hits the
1 answer
495 views
Suppose the following about a certain object:
I. The object's altitude is a function of time, represented by the function A(x)
1 answer
3,127 views
can you help unscramble these;
DAUATSLFRI DDCNEEODVNIROFA KEAILBTSD they have a thanksgiving theme
4 answers
492 views
who do I work this question. The length of a rectangular swimming
pool is 2x - 1 meters, and the width is x + 2 meters. Write a
1 answer
451 views
why would a girl want to work at the lowell mills
1 answer
506 views
why would a woman want to work in the lowell mills
1 answer
597 views
Calculate the heat of formation of SiO4(s), given that the heats of formation of SiO2(s), -910.90 KJ/mol; H2O(l), -285.8 KJ/mol;
1 answer
1,709 views
Calculate the heat of formation of SiO4(s), given that the heats of formation of SiO2(s), -910.90 KJ/mol; H2O(l), -285.8 KJ/mol;
0 answers
1,112 views
What is the theoretical yield in grams of the precipitate starting with 1.250 moles of iron ions (charge is +3) and 60.00 grams
1 answer
773 views
what effect could receding have on sea level?
1 answer
832 views
what can open doors
without force even the strongest man can not do it only i
0 answers
395 views
there are 100 boys, 80 girls, and 20 teachers. In how many ways can a group of 5 (2 girls, 2 boys and a teacher) be selected?
1 answer
489 views
Can you help me paraphase this?
I set off on a four-mile walk to our forge,pondering as I went along,on all that I had seen,and
2 answers
732 views
Cn you help me paraphase this?
So unchanging was the dull old house,the yellow lights in the darkened room the faded spectre in
1 answer
504 views
Can you help me paraphase this?
I have never thought of being ashamed of my hands before, but I began to consider them a very
2 answers
504 views
Young as I was, I believe that I dated a new admiration of Joe that night. We were equals afterwards,as we had been
2 answers
669 views
can you help me paraphase this;
Conscience is a dreadful thing when it accuses man or boy;but when,in the case of a boy,that
3 answers
1,555 views
Your password for a given website is made up of three letters followed by
four numbers. Find the number of possible passwords if
1 answer
947 views
Your password for a given website is made up of three letters followed by
four numbers. Find the number of possible passwords if
3 answers
591 views
Sam and Markus are standing on level ground 100m apart. A large tree is due North of Markus and on a bearing of 065degrees from
0 answers
866 views
A reaction rate increases by 60.3% when the temperature is increased from 21.5 to 35.6°C. Calculate the activation energy (in
1 answer
591 views
Sulphuryl chloride, SO2Cl2, decomposes according to the following first-order reaction:
SO2Cl2(g) �¨ SO2(g) + Cl2(g) At a
3 answers
675 views
please explain the difference between pitch and volume in sound
1 answer
455 views
is this series convergent
the series from n=0 to infinity of (n^2+1)/(n^3+1) i said it converged at n=1
1 answer
415 views
does this series converge, and if so is it absolutely convergent?
the series from n=1 to infinity of ((-1)^*n+1))/n^4 I found
1 answer
631 views
does this series converge, and if so is it absolutely convergent?
the series from n=1 to infinity of ((-1)^*n+1))/n^4 I found
1 answer
600 views
given that c is the logarithm of x in base a, and d is the logarithm of x in base b, find the general statement that expresses
0 answers
504 views
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