# Posts by Jennifer

Total # Posts: 2,468

chemistry
Suppose you have two 100-{\rm mL} graduated cylinders. In each cylinder there is 58.5mL of water. You also have two cubes: One is lead, and the other is aluminum. Each cube measures 2.0cm on each side. After you carefully lower each cube into the water of its own cylinder, ...

Chemistry
In the explosion of a hydrogen filled balloon, 0.50 g of hydrogen reacted with 4.0 g of oxygen to form how many grams of water vapor? (water vapor is the only product)

Algebra
A car can average 140 miles on 5 gallons of gasoline. Write an equation for the distance "d" in miles the car can tavel on "g" gallons of gas?

algebra
3/11 minutes

math
keith scored 75,86,79,91 what score must he receive on on the fifth test to have a mean of 85 ?

Physics
You are on a boat heading out to sea. The boat is going 5m/s toward a buoy (the origin in your chosen frame of reference) that is 300 meters away. How long will it take to be 500 meters beyond the buoy?

math
3. Indicate whether each of the given statements could apply to a data set consisting of 1,000 values that are all different. a. The 29th percentile is greater than the 30th percentile. (True or False) b. The median is greater than the first quartile. (True or False) c. The ...

statistics
how to do the problem? I'm lost

Macroeconomics
. Application 3 to chapter 15 (page 340) suggests increased health care expenditures will crowd out other expenditures. What component of GDP do you think will suffer? Using that same argument, Nebraska has debated casino gambling several times. Proponents say the additional ...

Maths
Find the gradient of the line joining the points (5,2) and (6,3)

math.
A theater purchases $500 worth of Sticky Bears and chocolate bombs. Each bag of Sticky Bears costs$1.50 and each bag of Chocolate Bombs costs $1.00. If a total of 400 bags of candy were purchased, how many bags of Chocolate Bombs did the theater buy? Statistics Twenty (20) students randomly assigned to an experimental group are studying for a test while listening to classical music. Thirty (30) students randomly assigned to a control group are studying for the same test in complete silence. Both groups take the test after studying ... comp/155 week 4 assignment need help MATH A parking lot has 5 spots remaining and 5 different cars in line waiting to be parked. If one of the cars is too big to fit in the two outermost spots, in how many different ways can the five cars be arranged? math solve by the substitution method 5x+7y=6 -6x+y=21 Hum/205 college level OK, I fixed it. The history of the Western Art is a steeped in religious symbolism; but all art is in one way or another, an extension of the religious urge in humanity. However to some westerners it is often difficult to leave the comfort domain of a familiar religious ... Hum/205 college level It saying there are no Run on sentence. Hum/205 college level can someone please look over this and tell me what you think?? thanks! The history of the Western Art is a steeped in religious symbolism; but all art is in one way or another, an extension of the religious urge in humanity. However to some westerners it is often difficult to ... Philosophy Our text discusses the challenge relativism presents to various ethical and religious viewpoints. Consider a specific moral question which might make it difficult to accept the relativist's response. State the moral issue involved, and provide an explanation as to why you ... math When m is divided by 7, the remainder is 2. What is the remainder when 4m is divided by 7? Please give me an explanation and not just the answer! Thankss:) Physics Your whole family has taken showers before you, dropping the temperature in the water heater to 18 degrees Celsius. If the water heater holds 150 kg of water, how much energy will it take to bring it to 50 degrees Celsius? If the energy is supplied by a 5 kW electric heating ... College math 115 I need help with my assignment how much will it be to have someone help me with it it is due by tomorrow? english, poetry meanings using "a,b,c,d,e,f,g" notation, explain the ryme schem of "let me not to the marriage of true minds. Intermediate Algebra for the following equation, state the value of the discriminate and then describe the nature of the solutions, from the following statements. -20x^2-5x+3=0 Physics You throw a ball horizontally off of a building with a horizontal velocity of 5 m/s. What's the ball horizontal velocity 8 seconds later? How high should the building be if you want the ball to fall for a total of 12 seconds? Physics If a car travel at an average speed of 80 km per hr for 20 min, and then slowed down to an average speed of 50 km per hr over the next 15 min. How far would it travel in total? grammar Although the abscess was incised and drained in the emergency room and cultures were obtained, which grew coag-positive staphylococcus. which of the below holds good for the above sentence. 1.This is a run-on that needs a semicolon after time. 2. This is a run-on that needs to... Fractions Which is the largest? 1/5,4/15,2/3,7/30 Geometry 152.75 9th grade integrated algebra tan[32degrees]=y/25 .6248693519=y/25 15.6 science Dilute 4th grade math what is the next number in the pattern 5,3,7,5,9,7,11? Algebra Thanks!! for the help Algebra The point (-1,0) lies on a circle whose center is at (-6,5). Find an equation of this circle Algebra Thanks Biology The half life of carbon 14 is 5700 years. If the carbon 14 level measured in a fossilized bone has only 1/4 of the original amount, how old in the bone? Trig Consider a triangle ABC like the one below. Suppose that A=45 degress, B=34 degress, and a= 70. Solve the triangle. Round your answers to the nearest tenth. Algebra I have a parabola that I have to write as an equation I found the vertex as (-3,-2) and the following points (-4,-1)(-2,-1),(-5,2),(-1,2). I can't seem to come up with the correct equation. I'm using the formula y=a(h-k)^2+k but I'm not doing something right. Can ... Trig Yeah I was looking at that, thanks for clarifing Trig thanks for the help Trig Rewrite cos(tan^-1(v)) as an algebraic expression in v. Can someone help me with this problem? Thanks Accounting The SOO Company has machinery that it acquired a number of years ago at a cost of$812,000. As of December 31, 2012 the company has recorded life-to-date depreciation in the amount of $332,900. Because of changes in their manufacturing processes, the equipment does not ... English 102 I wanted to make sure that it all made sense. before I turned it in. English 102 Can someone give me feedback on this please. Introduction Is same-sex marriage going to create issues in our society? Same-sex marriages will most likely produce issues in many political agendas. Religious leadership of Abrahamic faith everywhere will also be confrontational ... social studies Between 1935 and 1957, a period that included World War II, the birth rate rose from 16.9 to 25 per 1000 people. What was the most likely cause of this "baby boom"? Algebra A lot is in the shape of a right triangle. The shorter leg measures 90 meters. The hypotenuse is 30 meters longer than the length of the longer leg. How long is the longer leg? drawing Does anyone know for the work titled Blind MAn by William H. Johnson know what materials he used would it by tempura and printing paper? Also Does the artist use symmetrical or asymmetrical balance? statistics What is the critical value for 0.04, left tailed test? I don't know what to put as the %?! I also don't understand what to look up in the E table for the value of Z?! Thanks Stat the mean of adult men is 172 pounds with a standard deviation of 29 pounds. ask 20 men thier weight and use excel to calculate the mean. test the hypothesis that the mean is not 172 pounds at the .10 significance level. and how many men should be sampled if you want to be 98% ... Math The rate of change of sales volume is the derivative of S(t) S'(t) = dS/dt = 20,000 * -0.6 * e^(-0.6*t) Let t = 1, and find the value of S'(1) statistics Develop the estimated regression equation to predict the city score, given the Recession Resistance rating alone Chemistry If 100 grams of NI3 is detonated, calculate the Gram of N2 and I2 formed. Chemistry What is the mass of S2Cl2 if 342 grams of S8 is reacted with an excess of Cl2? Math This seems like an economics question to me.. If you want to find the value for the future? You do$2000 x (1.09)^ 7 put this into your calculator exactly as I have it here to get your answer.

Economics
In the long run, what effect will a decrease in aggregate demand have on real output?

Statistics 103
This is one of the questions that is asked in the back of the fifth edition of elementary statistics book. I am not sure of the answer, the number of the problem is an even number. Meaning that I cannot see the the answer in the back of the book:( So I was wondering if anyone ...

Statistics 103
Why do most of the sample means differ somewhat from the population mean? What is this difference called?

Statistic 103
The average teachers salary in Connecticut( ranked first among states) is $57,337. suppose that the distribution of salaries is normal with a standard deviation of$7500. What is the probability that a randomaly selected teacher makes less than \$52,000 per year?

Statistics
The number of surgeries 50 randomly selected studetns have had. Would that be qualitative or quantitative?

home economics
what are 3 benifits of food imports into ireland?

English
I recently wrote an essay in English class and when I got it bcak I noticed that some of the words have agr or agr. over them. For example, most of them are over the words: their and they. I know it sounds confusikng, but if anyone can help, please do so. Thanks.

physics
a) If a photon and an electron each have the same energy of 20.0 eV, find the wavelength of each. b) If a photon and an electron each have the same wavelength of 250 nm, find the energy of each. c) You want to study an organic molecule that is about 250 nm long using either a ...

English 102
you didn't have to be soo judgemetel.

English 102
actually i am in my 2nd year of college. and yes my teahcer is. I guess you don't believe in God. Well Shame on you. Here's what the sybullos says. since u want to be misjudgemetel. 2. CheckPoint: Introduction and Conclusion • Consider the components of an ...

English 102
The only I had to do was create a Introduction and Conclusion so i can't give u the rest of the paper. when that's not even nearly done.

English 102
Can some one read this and give some feedback please! Introduction Is same-sex marriage going to create issues on our society? Same-sex marriages will most likely to have issue in many political campaigns also churches and Christians everywhere will be confronted by same-sex ...

English
Also, what font size does a resume have to be?

English
Do you necessarily need references for a resume?

English
this is what i have done so far, but i need help with the rest. The type of graphs that could be used for the topic same-sex marriage, such as graphing out how many same-sex couples exist in the state of region. Than comparing the number of licensed married same-sex couples ...

college chemistry
When ammonium carbonate decomposes, what would happen to a glowing splint in the presence of the gases that are evolved. Explain

spanish
how to make a sentence in spanish and english in these words.La hija/tener hambre

spanish
What does primos mean and what is the correct thing to put in front?un,una,une,unas,one,unos

english
Not sure how to do this?? can anyone help? Incorporating Statistics, Graphs, and Illustrations o the different types of statistics, graphs, and illustrations that are appropriate for your topic. o Where do these visuals fit most effectively into your paper? Explain how these ...

physics
.131

physics
In the Atwood's machine of Figure 8-23, the two masses shown are initially at rest at the same height. After they are released, the large mass, m2, falls through a height h and hits the floor, and the small mass, m1, rises through a height h. The mass m2 remains at rest ...

English 102
Since u helped me out so well with the other assigament, can you help me with this one. I could not send you the rest of my outline, because it was over due. I didn't want to be anymore late on it. i guess I shouldn't wait untill the last mintue. Here's the new ...

English 102
i am working on it

English 102
I needed 2 more subtopics Subtopic 2b God makes it clear in the Bible. Subtopc 3B i am thinking of this one. i wanted to see if that one was ok.

English 102
I have read and I have understood, but I will re-read everything again. I did revisie the sentnece.

English 102
Subtopic 1- Will same-sex marriage be a postive influence on our society. Subtopic 2 - many people fear that history tends to repeat itself. subtopic 3- cheuches fear that same-marraige will detory what Gods intends are. My thesis statment. Same-sex marriage should be not be ...

English 102
I was think that the subtopics i would use are First of all, will same-sex marriage be a positive influence on our society as whole? Many people believe it will not. Almost every major religion in the world bans homosexuality. Our representatives are influenced by a strong ...

English 102
My thesis statement is Even though some people think that same--sex marriage should be legal, Same-sex marriage should not be legal. Because Homosexuality is against Gods will and God says man should be with a women, women should be with man.

English 102
I am not asking anyone to do my homework, i am just asking for some gudies. I need to do a full-sentence outline on same-sex marriage. i have some ideas i would just like some adivce. I. Main point 1 in a complete sentence. What Christians are saying about same-sex marriage? A...

physics
an insulated circular ring of diameter 6.50cm carries a 12.0 A current and is tangent to a very long, straight insulated wire carrying 10.0 A of current. find the magnitude and direction of the magnetic field at the center of the ring due to this combination of wires.

chemistry
5.25 g C4H6O3 0.0514 mol C2H4O2

Physics
The linear absorption coefficient for 0.05 nm x-rays in lead and in iron are respectively, 5.8x10(4) /m and 1.1x10 (4) /m. How thick should an iron shield be in order to provide the same protection from these x-rays as 10 nm of lead?

Physics
X-rays with an energy of 300 keV undergo Compton scattering from a target. If the scattered x-ray are directed at 30 degrees relative to the incident rays, find a)The Compton shift at this angle b) The energy of the scattered x-ray c)The energy of the recoiling electron

Math
What is the square root of 64?

Physics
A uniform solid disk of radius 1.7 m and mass 81.3 kg is free to rotate on a frictionless pivot through a point on its rim. If the disk is released from rest in the position shown by the solid circle, what is the speed of its center of mass when the disk reaches the position ...

BACKGROUND: Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz, the human resources director, promoted me to office manager. I manage two employees: Jack and Ruth. My office provides secretarial support for the four members of the ...

maths
this is pretty easy, I'm sure you will be able to figure it out. Use your division.

English
My 1st grade son needs to write a paragraph but is having a very hard time grasping the concept. How can I help him with this? He doesn't under stand that the paragraph has to blend/flow and be about the same topic all the way through. What shoudl I do?

Math
50%

Math
What are 5 names for 1/2?

Physics!!!
A rod of length 1m lies in the lab frame making angle θ=30 with the x-axis. Find the length and the angle it makes with the x’-axis as seen by an observer moving at u=0.8c along the y-direction.

chemistry
A certain volume of a gas at 298k is heated such that its volume and pressure are now four times thier original value. What is the new temperature?

math
a college conducted a survey and determined that 68% of the students attending the college owned a car.what is the ratio of the number of students who own cars to total numbers of students