Josie
Popular questions and responses by Josie
Physics
A cook puts 7.20 g of water in a 2.00L pressure cooker that is then warmed to 530°C. What is the pressure inside the container? (Assume room temperature is 20°C.)
asked on June 22, 2013 
Physics
Three uniform spheres of masses m1 = 3.50 kg, m2 = 4.00 kg, and m3 = 6.50 kg are placed at the corners of a right triangle (see figure below). Calculate the resultant gravitational force on the object of mass m2, assuming the spheres are isolated from the
asked on June 20, 2013 
math
if sec 0= 7.3, find sin (0 pi/2).
asked on September 23, 2019 
math
if cos 0= 0.5 find csc (0 pi/2)
asked on September 23, 2019 
Math
There are 41 students in group 2. Twice as many students play the trumpet as play the trombone, but 8 students play the saxophone. How many students in Group 2 play each instrument? Endless thanks
asked on November 4, 2015 
geometry
ray EC bisects angle BED, The measure of angle AEB equals 11x minus 12.and The measure of angle CED equals 4x plus 1.. Find measure of angle AEC.
asked on June 30, 2016 
Calc
Use a graph to estimate the limit: lim θ>0 (sin(5θ)/θ) Note: θ is measured in radians. All angles will be in radians in this class unless otherwise specified. I tried graphing it on my calculator but the limit I got is incorrect.
asked on January 25, 2011 
Algebra
Help Please! 2n(xn)=x5n+2 Solve for X
asked on December 6, 2012 
algebra
A boat can travel 16 km/h against the current.The same boat can travel 30 km/h with the current.find the rate of the boat in still water and the rate of the current. Could someone help me.it seams like an easy problem, but I am not getting there.Thank YU
asked on March 14, 2013 
Math
The revenue obtained from the sale of q units of a product is given by : R= 30q(0.3q^2) A) How fast does R change with respect to q when: q=10 B) Find the relative rate of change of R, and to the nearest percent, find the percentage rate of change of R.
asked on January 9, 2017 
chemistry
Why is respiration an exothermic reaction?
asked on June 18, 2014 
Algebra
Total revenue is the total amount of money taken in by a business. An appliance firm determines that when it sells X washing machines, the total revenue, R, in dollars, is given by the polynomial R=232.94x0.1x^2. What is the total revenue from the sale of
asked on February 25, 2014 
Algebra
Total revenue is the total amount of money taken in by a business. An appliance firm determines that when it sells X washing machines, the total revenue, R, in dollars, is given by the polynomial R=232.94x0.1x^2. What is the total revenue from the sale of
asked on February 25, 2014 
chemistry
The vapor pressure of dichloromethane, , at 0 is 134 . The normal boiling point of dichloromethane is 40. . Calculate its molar heat of vaporization
asked on January 20, 2010 
Music
Mozart worked to develop many sonatas. What is one part of his sonatas? A. Climax B. Exposition C. Cadence D. Appendix I don’t know the answer and I need help soon, I think it might be A but I don’t know.
asked on May 15, 2020 
Physics refraction
Hi, We had a lab on refraction. They gave us a print out of the word carbon dioxide and placed it under a test tube. The letter a and r in the word carbon flipped in the experiment. I wanted why is it that only these 2 letters flipped and not the others?
asked on August 14, 2018 
Art help with checking plzzzzzz
Could someone please help me check these??? When using a green screen for filming, the 3d element Is: A) The green screen B) The actor or actress*** C) The specialized software D) The Image on the green screen How did the city of Venice Beach decide to
asked on November 27, 2017 
College Physics
Two cars collide at an icy intersection and stick together afterward. The first car has a mass of 1050Kg and was approaching at 8.00m/s due south. The second car has a mass of 700Kg and was approaching at 20.0m/s due west. A) Calculate the final velocity
asked on April 16, 2015 
Chemistry
What type of reaction is photosynthesis, the process where carbon dioxide combines with water to form glucose in the presence of sunlight?
asked on June 18, 2014 
chemistry
In an experiment, Ann mixes concentrated sulfuric acid with water in a reaction test tube. The walls of the test tube turn hot. What type of reaction has occurred?
asked on June 18, 2014 
Physics
A 2.60mol sample of oxygen gas is confined to a 5.03L vessel at a pressure of 7.95 atm. Find the average translational kinetic energy of the oxygen molecules under these conditions.
asked on June 22, 2013 
Physics
A crate of eggs is located in the middle of the flat bed of a pickup truck as the truck negotiates a curve in the flat road. The curve may be regarded as an arc of a circle of radius 37.9 m. If the coefficient of static friction between crate and truck is
asked on June 1, 2013 
Physics
A JFET has a specified pinchoff voltage of 5V. When VGS = 0, what is VDS at the point where ID becomes constant?
asked on March 9, 2012 
Chemistry
Perform the following calculations to the correct number of significant figures. (89.623.981)/0.0047
asked on January 30, 2012 
home economics
explain the term energy balance
asked on January 4, 2010 
Precalculus
The population of a southern city follows the exponential law. If the population doubled over 20 months and the current population is 70,000, what will the population be 5 years from now
asked on November 14, 2019 
Science
A hurricane becomes more powerful by evaporating water from?
asked on March 13, 2019 
English
what norms does society value and reinforce,and what have i internalized
asked on August 20, 2018 
Hey guys, Could you help me check some art questio
Here are a few answers I need to be checked, I hope thats Okay :) Most street artists make commercial art Yes No*** Video footage Is now a standard part of the news True False*** All of the following would be part of a franchise branding Except Creating a
asked on November 22, 2017 
English
What does "present day culture" refer to? Is it just things that go on today, such as drugs and new technologies?
asked on August 20, 2017 
Eng Lit
Why did Shakespeare make Juliet so young when compared to Arthur Brooke's and Matteo Bandello's original version of Romeo and Juliet?
asked on June 5, 2017 
tech
do catapults use an overhand or underhand motion? what about pendulums?
asked on April 25, 2017 
Chemistry
"What volume of water must be added to 100ml of 15 M of H2SO4 to dilute to 5.0M?" I've tried using lots of different methods but keep having the same answer and don't know if the answer book is wrong or if it's me. Thanks!
asked on January 18, 2017 
hypothesis
Why is it important to test the results of a hypothesis?
asked on January 15, 2017 
Math
Purchased 297 square feet of carpet at $18.50 a square yard, what is the cost? 297 / 9 = 33 yards X $18.50 =$610.50 Do I divide by 3 again to get $203.50?
asked on December 14, 2016 
Math
(4 to the second power divided by two)subtract 2 to the second power plus five
asked on November 2, 2016 
Math
Simplify this expression. 12÷3•(8+(4^2)6)+2. I'm confused on how to solve this. Thank you for the help.
asked on September 9, 2015 
AlgebraVERY IMPORTANT
Given the polynomial x^2+10x+k Find all the values of k so that this given polynomial is factorable
asked on April 21, 2015 
Math
a baseball team played a total of 138 games last season. They had 26 fewer wins than losses. How many games did the team win?
asked on November 3, 2014 
physics
A ball is thrown directly downward with an initial speed of 3.08 m/s from a height of 14.6 m. After what interval does the ball strike the ground? The acceleration of gravity is 9.8 m/s 2
asked on September 22, 2014 
Algebra
Solve using the appropriate method. 0.05x+0.25y=66 0.15x+0.05y=72 I came up with the answer (420,180) Is this correct? a)The solution is___?(simplify your answer. Use integers or fractions for any numbers in the expression. Type an ordered pair)
asked on February 22, 2014 
Physics
You are pulling a crate across the floor. The crate has a mass of 75.0 kg. You exert a horizontal force of 120. N to the left. Friction exerts a force of 82.0 N to the right. What is the magnitude (fill in box) and direction of the acceleration of the
asked on February 5, 2014 
AP Calculus AB
Find the derivative of: y=(cosx)^3(sinx)^3
asked on January 3, 2014 
PHYSICS
If a boy(500N) wishes to slide down a rope that has a breaking stand of 350N, then: (a) with what acceleration must it move downward in order to not break the rope. (b) if he slide 30m, how long will it take? (c) how fast will he be going before he hits
asked on November 30, 2013 
PHYSICS
The tension in the cable supporting a 4900N elevator is 3800N. What is the acceleration of the elevator?
asked on November 30, 2013 
English
We plant two bean seeds in different pots. What's the subject?
asked on September 4, 2013 
physics
The freefall acceleration on the surface of Jupiter is about two and one half times that on the surface of the Earth. The radius of Jupiter is about 11.0 RE (RE = Earth's radius = 6.4 106 m). Find the ratio of their average densities, ρJupiter/ρEarth.
asked on June 16, 2013 
Physics
You are standing on top of a building that is 75m high and you throw a 3kg stone horizontally at a speed of 5.4m/s. How far from the base of the building will the stone land? (the ground is flat)
asked on March 11, 2013 
algebra
A shipment of 18 cars, some weighting 3000lbs a piece, and the others weighing 5000 lbs each, has a total weight of 30 tons. Find the number of each kind of car. I start of saying X+Y = 18. THen I turn that into X=18Y. whats next?? thank you for helping
asked on March 6, 2013 
algebra
Solve the following system of equation using the graphing method. Y = negative X Y = X + 9 Don't know what to do. Thank u if u can helpme.
asked on March 2, 2013 
algebra
what number minus 25% equals 6000?
asked on January 6, 2013 
algebra
a minus the fraction a^2a6 over 2(a3) thank you
asked on January 3, 2013 
algebra
please help because am missing something.thankyou factor completely given that x+2 is a factor. 2x^3 + 7x^2  3x  18
asked on January 2, 2013 
Algebra
Didnt write my question too good last time so here is what I meant. This is a mixed ezpression written as fraction and then to be put in simplest form. 3/1 minus 2x2/x^21 thank you
asked on December 31, 2012 
Algebra
Didnt write my question too good last time so here is what I meant. This is a mixed ezpression written as fraction and then to be put in simplest form. 3/1 minus 2x2/x^21 thank you
asked on December 31, 2012 
algebra
Please help THANKS write as a fraction in simplest form (a/b +1)(b/a1)
asked on December 31, 2012 
algebra
3  __2X2______ X^21 Write the expression as a fraction in simplest form. 3 minus 2x2 over xsquared minus 1 Can anyone help?
asked on December 31, 2012 
Algebra
What is 2a^2 over 4b times b^2 over a^2 or what is 2a squared over 4b, times b squared over a squared ? Thankyou
asked on December 10, 2012 
precalc
F(x)= x^2+x12/ x^24 find the x and y intercepts and find x when f(x)=1
asked on November 16, 2012 
algebra
For the statement that says: b + (a) = b  a What property would that be? Is it the addition property of equality? or something else.
asked on October 13, 2012 
Algebra
The total amount of water in 2 containers is 35quarts. If 7 quarts gets poured from the container with less water into the continer with more water, the container with more water will have 4times as much water as the other container. How many quarts are in
asked on October 13, 2012 
University of Phoenix
target marketing in contrast to mass marketing
asked on August 12, 2012 
HCA 270
What is the relationship between inventory and cost of goods sold by a pharmacy or medical supply business? Explain the depreciation concept. What items in a physician practice can be depreciated? What is the purpose?
asked on May 7, 2012 
Chemistry
1. What mass of carbon is required to produce 100kj of heat, when burned in air? Enthalpy change = 392kj. 2. What mass of methanol is required to produce 1000kj of heat, when burned in air?
asked on April 27, 2012 
algebra
Kayla Wants To write an Expression that will always produce an odd integer. Which of the Following will always produce an odd integer for any given integer ?
asked on April 9, 2012 
science
An object is traveling in a straight line in space.No forces are affecting it. What will happen to the object's motion?
asked on March 24, 2012 
science
A book is on top of a table. Earth's gravity exerts a constant force of 15N on the book. Why does the book not move as a result of this force?
asked on March 24, 2012 
COLLEGE CALCULUS.
Use implicit differentiation to find the equation of the tangent line to the curve xy^3+xy=5 at the point (4,1) . The equation of this tangent line can be written in the form y = mx+b where m is:? and where b is:?
asked on March 2, 2012 
math
at the beginning of the week a particular stock sold for 29 3/8 per share. at the end of the same week it sold for 31 2/8. what was the amount of inctrease per share?
asked on May 28, 2011 
Calculus
For f(x)=lnx, construct tables, rounded to four decimals, near x=1, x=2, x=5, and x=10. Use tables to estimate f'(1), f'(2), f'(5) and f'(10). Then guess a general formula for f'(x).
asked on January 29, 2011 
english
can you answer this one into correct dangling modifier.Having wrapped up the package carefully it should be tied.
asked on December 5, 2010 
Physics
A 0.400 kg block of wood hangs from the ceiling by a string, and a 0.0700 kg wad of putty is thrown straight upward, striking the bottom of the block with a speed of 5.80 m/s. The wad of putty sticks to the block. Is the mechanical energy of this system
asked on November 14, 2010 
chemistry
if you have 5 moles of conjugate acid, 2 moles of base, and 2 moles of acid. What is the dissociation constant for his reaction and the temperature is 30 degree celcius?
asked on September 16, 2010 
science
I am doing a case study on MMR and MMR/Autism. The question I have been given is 'Does MMR cause autism?" Please can you suggest any websites etc. I need to find at least 5 sources to show for and against. Many thanks.
asked on May 2, 2010 
law
what are laws
asked on March 3, 2010 
law
what are laws
asked on March 3, 2010 
English
How do you change the sentence "Muscle relaxation can help you." to a question?
asked on December 14, 2009 
Algebra
I need help solving these three problems. 1/4(7 + 3g) + g/8 Twice the greater of two consecutive odd integers is 13 less than three times the lesser number. Find the integers. About 4.9 million households had one brand of personal computers in 2001. The
asked on October 27, 2009 
Science
What happens to the volume of a gas inside a piston if the termperatue does not change but the pressure is reduced?
asked on October 11, 2009 
Science
I have two questions. 1. Describe what would happen if you rubbed a mineral with a Mohrs hardness value of 7 against a mineral with a value of 5? 2. Which mineral identification test would be easy for a person to perform at home. Which would be difficult.
asked on October 1, 2009 
Science
How many gigameters are in $1,000,000,000,000 micrometers?
asked on September 21, 2009 
4th grade
why did californios trade with people from other countries during the Mexican war for independence even though it was against the law?
asked on April 8, 2009 
english
when the legends die by hal borland when tom reflects that he succeeded in killing the past, what does he mean? why did he need to kill it, and how did he? please please help me .
asked on March 11, 2009 
American Literature
What is the tone in The Legend of Sleepy Hollow?
asked on July 11, 2008 
algebra
1. How to find the numbers, if there are any, at which f has a realtive minimum. What is the realive minima? The graph that I have looks like W, it has point at 1 on the x axis, 1 on the y axis, and 1 on the x axis. Choices that I have: a. f has a
asked on September 1, 2007 
Algebra
Write an equation for the translation so the graph has the given vertex. 1. y=x vertex (5,0) 2. y=2x vertex (4,3) 3. y=x vertex (p,q) I really have no idea how to even begin these, but I do know the answer to # 2 is y=2x+11 and #3 is y=xp+q
asked on October 5, 2006 
Physics
Note: I am in Algebrabased Physics Two 35.0 N weights are suspended at opposite ends of a rope that passes over a light, frictionless pulley. The pulley is attached to a chain that is fastened to the ceiling. Start solving this problem by making a
asked on September 30, 2006 
Physics
Note: I am in Alegebrabased Physics. You have landed on an unknown planet, Newtonia, and want to know what objects will weigh there. You find that when a certain tool is pushed on a frictionless horizontal surface by a 12.2 N force, it moves 16.3 m in the
asked on September 30, 2006

Music
Thank you Alyssa! That helped a lot :)
posted on May 15, 2020 
Math
Anonymous is 100% correct I promise
posted on April 21, 2020 
Chemistry
Sorry I meant A!!
posted on April 17, 2020 
Chemistry
C :)
posted on April 17, 2020 
SS help plz
They are exactly RIGHT!
posted on February 5, 2020 
History
Yes yawl are right!
posted on January 24, 2020 
geography
helper human is correct I got 100% thank you. Oh yea it’s for the pretest on African history. Connexus
posted on January 22, 2020 
Math
Good to know im not the only one struggling with Saxon math. (I assume this is what those problems are from as they are in my book)
posted on January 10, 2020 
Art help with checking plzzzzzz
Actually, I found out It Is Unity, Not Aesthetics for the third one I had put down, And, for the fourth one I put down, It Is, As Editor Is to book, Thanks for the help!!
posted on November 27, 2017 
Hey guys, Could you help me check some art questio
For 2, I meant true, sorry :)
posted on November 22, 2017 
math
3/4
posted on September 22, 2017 
English
I just want to thank you all here for putting in time to help students. I really appreciate it!
posted on August 20, 2017