Thursday
May 28, 2015

Posts by ANONYMOUS


Total # Posts: 81,823

heat transfer
a. Steam at 230oC flows through a steel pipe ( = 15/. ) whose inner and outer diameters are 9 cm and 10 cm, respectively in an environment at 15oC. The pipe is insulated with 5 cm thick fiberglass ( = 0.035/. ). The given heat transfer ...
March 22, 2015

Psychology & operational definition
Examples of what?
March 22, 2015

Intro statistics
A bag contains 7 red, 6 orange, and 9 green jellybeans. What is the probability of reaching into the bag and randomly withdrawing 11 jelly beans such that the number of red ones is 7 the number of orange ones is 1 and the number of green ones is 3?
March 21, 2015

Physics
opn
March 21, 2015

Physics
A motor boat is traveling at a speed of 2.4 m/s shuts off its engine at t=0. How far does it travel before coming to a rest if it is noted that after 3 seconds its speed has dropped to half of its original value? Assume that the drag force of the water is proportional to v. (R...
March 21, 2015

Physics
a 2.00 kg object has a velocity of 4.00i -3.00j m/s. What is the kinetic energy at this moment? What is the net work done on the object if its velocity change 6.00i +2.00j m/s
March 21, 2015

Physics
Yeah I got 600- 61.2(40)/50 =551.64. I do not know if that is right .
March 21, 2015

Physics
what is 600N-600/g*20^2/50 ? mg-mv^2/r
March 21, 2015

Physics
a car goes over a circular hill of 50m radius at a constant speed of 20m/sec . What is the force of the car on the 600N driver at the top of the hill.?
March 21, 2015

chemistry
you by adding now have four significant figures. When adding, you keep all place values that were significant. if it had been 34 + 12.2+6.0=52. Cant do the tenths, as tenths was not significant in the first numeral.
March 21, 2015

geography
Bogotá, Colombia's capital city, is located where?
March 21, 2015

English check
Is it b?
March 21, 2015

English check
Which quote believes that all of us have the ability to love? A. "Love is a binding force between two things that compels them to come together..." B. "Yet we do have the capacity to love not only other humans, but animals as well." C. "love would not ...
March 21, 2015

math
adult tickets are $17, student tickets are $9. how many adult and student tickets need to be sold to make a profit of $4,400?
March 21, 2015

geometry
Construct an equilateral of altitude 5.5 cm
March 21, 2015

maths
ABC is an isosceles triangle inscribed in a circle. If AB and AC is 2.5cm and BC is 14cm find the radius of the circle
March 21, 2015

math
ABC is an isosceles triangle inscribed in a circle. If AB and AC equal to 2.5cm and BC is 14cm find the radius of the circle
March 21, 2015

Quick English check
"I've had the time of my life" written by markowitz, Donald
March 21, 2015

Quick English check
'Cause I've had the time of my life And I owe it all to you I've been waiting for so long Now I've finally gound someone To stand by me We saw the writing on the wall As we felt this magical fantasy 4. Read stanza two... The tone of this stanza can be best ...
March 21, 2015

Quick English check
"I've had the time of my life" (song) written by markowitz, donald
March 21, 2015

Quick English check
Now with passion in our eyes There's no way we could disguise it secretly So we take each other's hand Because we seem to understand the urgency In the third stanza, the word disguised means- A. Inportance B. Dress up as C. Hide D. Change appearance I chose C. 2. Which...
March 21, 2015

physics
the mass of the sun is 2×10^30kg.the mass of a proton is 2×10^-27kg.if the sun was made only of protons.calculate the number of protons in the sun?
March 21, 2015

urban management
To prevent settling of organic matter a Vs should be
March 21, 2015

social studies
what is 1?? what is 3?
March 21, 2015

maths!!!!!!
it is g.p not a.p!!!!!
March 21, 2015

Math
Skate boarding boys= 2 girls=1 What percentage of the total students chose skateboarding? A. 10% B. 20% C. 30% D. None of these Is the answer D? Thank you
March 21, 2015

French
For, A. wouldn't it be veut'elle because of the vowel beginning of elle?
March 20, 2015

French
I would like to double check my work: A. Invert the following: Est-ce qu’elle veut boire un apéritif? Answer: Bois qu'elle un apéritif? B. Make the following statement negative: Nous allons au cinéma et au théâtre. Answer: Nous n'...
March 20, 2015

math
Silvia has twice as much money invested at 5% simple interest as she does at 4%. If her yearly income from the two investments is $266, how much does she has at each rate? 4% = 5% =
March 20, 2015

physics
oho
March 20, 2015

physics
300
March 20, 2015

English
Hello. I am having trouble writing an essay for this topic: What is the importance of taking advice and suggestions from others? I was wondering if someone could give me some tips and some inspiration on how to write this. I'am still stuck on the introductory paragraph. ...
March 20, 2015

math 5th grade
Thanks jai !! So much
March 20, 2015

Trigonometry
Determine the least positive coterminal of the angle 943degrees
March 19, 2015

math(Discrete)
Give the negation of the statement ∃! x ∈ U [P (x)].
March 19, 2015

physics
1/2 + pofkw
March 19, 2015

Math
A photo is 6 in wide and 3 in tall. If it is reduced to a height of 1 in, how wide will it be?
March 19, 2015

Math
A photo is 6 in wide and 3 in tall. If it is reduced to a height of 1 in, then how wide will it be?
March 19, 2015

Math
A ball is placed on a long inclined ramp. It rolls down the ramp as shown in the diagram. The equation d = 23 · t2 represents the distance in feet, d, the ball travels in t seconds. Part A How far does the ball travel in 5 seconds? Show your work. Part B How many ...
March 19, 2015

Math
The interger is x<t<y
March 19, 2015

Math
The equation d = 23 · t2 represents the distance in feet, d, the ball travels in t seconds. Part A How far does the ball travel in 5 seconds?200 feet in 5 seconds. Show your work. Part B How many seconds would it take for the ball to travel 25 feet? Show your work. Part...
March 19, 2015

Social studies
What was the first act of the British government to cause colonial anger and what year did it take place?
March 19, 2015

S.S
". . . But now, after reiterated menaces, Mexico has passed the boundary of the United States, has invaded our territory and shed American blood upon the American soil. She has proclaimed that hostilities have commenced, and that the two nations are now at war. "As ...
March 19, 2015

French
No, it's "vient."
March 19, 2015

French
Il vient d'aller à la piscine. Does this mean, "I just went to the pool"?
March 19, 2015

S.S
Then is it D
March 19, 2015

S.S
Which question would best help you write a report regarding the changes to the political system during Jackson's presidency? A. How did Andrew Jackson react to the results of the election of 1824? B. When did Andrew Jackson decide to run for president? C. Did Andrew ...
March 19, 2015

Geography
What is the average temp in Alaska?
March 19, 2015

Math
38 ounces=____lb ____oz
March 19, 2015

Civics
Sorry bout caps! Just saw + realized.
March 19, 2015

Civics
i GOT IT! iT IS ACTUALLY The Articles of Confederation did not work.
March 19, 2015

Civics
The Preamble includes the phrase "to form a more perfect union." Why is this reason listed for creating a new Constitution? Plans were made to expand to the Pacific Ocean. The British had provided economic support. The Articles of Confederation did not work. Some ...
March 19, 2015

social studies
Conflicto resultón
March 19, 2015

food science
A sample of grain in a bin is at 80.6 degrees F. The vapor pressure of water in the bin is 17.09 mm Hg. Assuming that the grain is well mixed, is the grain in danger of fungal growth and mycotoxin production?
March 19, 2015

math
You want to make a graph to show how you spend your time each day. What would be the best graph for this data? A. Circle graph B. Line graph C. Histogram D. Stem_and leaf plot Is the answer A? Thank you
March 19, 2015

math help please
Which of the following types of information is suited for display on a scatter plot? A. Relationship between favorite color and age. B. Relationship between number of pets and favorite TV show C. Relationship between hours of exercise and number of siblings. D. Relationship ...
March 19, 2015

math help please
Thank you
March 19, 2015

math help please
What type or graph does not show the number of times a response was given? A. Box_and _whisker plot B. Line plot C. Stem and leaf plot D. Bar graph Is the answer A?
March 19, 2015

Perimeter
Rectangle A=LxW W=A/l 36/4=9 P=2(l+w) P=2(9+4) P=26
March 19, 2015

Perimeter
Rectangle A=LxW W=A/l 36/4=9 P=2(l+w) P=2(9+4) P=26
March 19, 2015

Advanced Algebra
Please Help ; what does the average rate of change tell you about the function on the interval ?
March 19, 2015

Physics
Three collinear charges +7.0 x10^-5 C , +4.8 x10*-5 C, and -8.0 x 10^-5 C exert forces on each other. The first and second charges are 35.0 cm apart. The second and third charges are 35.0 cm apart. What is the magnitude and charge of the total force on the third charge? I know...
March 19, 2015

Chemical Engineering
High-pressure helium is available from gas producers in 0.045-m^3 cylinders at 400 bar and 298 K. Calculate the explosion equivalent of a tank of compressed helium in terms of kilograms of TNT. Assume helium is an ideal gas
March 18, 2015

Chemical Engineering
High-pressure helium is available from gas producers in 0.045-m^3 cylinders at 400 bar and 298 K. Calculate the explosion equivalent of a tank of compressed helium in terms of kilograms of TNT. Assume helium is an ideal gas
March 18, 2015

maths
my number is larger than 350. but smaller than 425. it has double the number of hundreds in the tens place. its ones number is 2 less than its tens number.
March 18, 2015

maths
my number is less than half of a thousand. it is made up of odd numbers only. its tens number is half way between the hundreds number and the ones number in size.
March 18, 2015

Quick English check
(21) Before they leave this festival, many visit the insect petting zoo. (22) Scientists believe some insects have been on Earth since prehistoric times. (23) Children line up for the opportunity to hold strange bugs of all kinds. (24) Most people agree that Purdue's Bug ...
March 18, 2015

Quick english check
(14) National news agencies are always on hand. (15) They take pictures and interview the people who participate in this stage event. 1. How should sentences 14 and 15 be combined? A. National news agencies are always on hand because they interview the people who participate ...
March 18, 2015

Physics
acceleration=3600/(1280+350) solve for acceleration now, the trailer. Net force=pulling-friction=mass*a pulling force=350*a+350*g*mu solve for pulling force.
March 18, 2015

Science
When is allergy season? Is it during the Spring?
March 18, 2015

Math help
What type of graph does not show the number of times a response was given? box-and-whisker plot line plot stem-and-leaf plot bar graph Is the answer A? Thank you for your help
March 18, 2015

Math Answer Check
Thanks! Yes, I will study it.
March 18, 2015

Math Answer Check
So I change sin and and cosine to make them negative?
March 18, 2015

Math Answer Check
P is a point on the terminal side of θ in standard position. Find the exact value of the six trigonometric functions for θ. P(-8, -8) Ans: cotangent: 1 secant: negative square root 2 cosecant: negative square root 2 sin: square root 2 / 2 cosine: square root 2 / 2 ...
March 18, 2015

Chemistry I
A bottle of vintage port wine has a volume of 750ml and contains 135ml ethanol. Ethanol has a density of 0.789g/ml. What is the molarity?
March 18, 2015

science- punnet square
You're right about the Ff and Ff. Basically the genotypes should be FF, Ff, Ff, and ff.
March 18, 2015

finance
Earnings are expected to grow at 11 percent for the next year. Using the company’s historical average PE as a benchmark, what is the target stock price in one year?
March 18, 2015

3rd grade math
what is the standard form of 213
March 18, 2015

Math
So is it 15 degrees?
March 18, 2015

Math
What is the reference angle for θ = -195 degrees? Is it 75 degrees?
March 18, 2015

Writing
Which of the following are example of coordinate headings?
March 18, 2015

Math
That actually equals 4.
March 18, 2015

4th grade math
What is the fomula to figure out the reasoning to this question? "Kurt cut pizzas into wedges measuring 40 degrees. If each person eats one piece of pizza, how many people could he feed with two whole pizzas?
March 18, 2015

Math
Thank you
March 18, 2015

Math
The theater offers a yearly membership for which customers pay a fee of $50 after which they pay only $1 per movie Create an equation for the membership deal Use C for the cost in dollars and N for the number of movies rented
March 18, 2015

science
Calculate the concentration of all species in a 0.145M solution of H2CO3.
March 18, 2015

math
the perimeter of a paved area being built at a playground it's going to be 46 meters is the land and went are each a whole number of meters what should the length and width of the area be to cover the greatest possible area draw a picture and make an organized list to solve
March 18, 2015

Math
What you know: 1. Jane collected 53 dollar notes 2. Jane collected a total of $394 3. There are $2 notes (x number were collected) 4. There are $10 notes (y number were collected) First Equation: Since you know that Jane collects a total amount of 53 dollar notes you can begin...
March 18, 2015

Quick English check
(6) At first glance Bug Bowl events may seem rather ordinary, but a closer look reveals some surprises. (7) The races aren't relay or sack races; they are cockroach races. (8) Held at Pudue's Roach Hill Downs, these races are quite popular with visitors, who are ...
March 18, 2015

Quick English check
(6) At first glance Bug Bowl events may seem rather ordinary, but a closer look reveals some surprises. (7) The races aren't relay or sack races; they are cockroach races. (8) Held at Pudue's Roach Hill Downs, these races are quite popular with visitors, who are ...
March 18, 2015

Quick english check
15) I was stuck with so many needles that Shannon laughed and said, Now you understand what it feels like to be me!" What change should be made in sentence 15? A. Insert a colon after stuck B. Change that to then C. Delete the comma D. Insert the quotation marks before ...
March 18, 2015

precap
a rectangle has one corner in quadrant I on the graph of y=25-x^2, another at the origin, a third at the positive y-axis, and the fourth on the positive x-axis
March 18, 2015

Math
An agent receives a monthly salary of 1500 plus a 4% commission on every home sold what amount of monthly sales will he earn at least 5000
March 18, 2015

Physics
If the force of repulsion between two socks is .003 and they are 2 cm apart what is the charge on each sock
March 18, 2015

SS
What are some similarities between East, North, and West Africa?
March 17, 2015

Art
Sorry I meant to put B?
March 17, 2015

Art
The painting: Coast near Villers by Constant Troyaon its the first picture in google search What does this painting by Constant Troyaon suggest about his culture's relationship with nature? A. Humans lived in fear of nature. B. Humans lived in harmony with nature. C. ...
March 17, 2015

Economics
Why would a country such as the United States, which can presumably produce everything it needs itself, choose to trade with other nations?
March 17, 2015

Math
Oh ok I'm sorry. Thank you for your help.
March 17, 2015

Math
Theo made the table below to show the number of middle school students who attended the last football game. If the data were displayed in a circle graph, how many degrees would be in the sector representing the eigth graders? Grade 6 Number of students in attendance 375. Grade...
March 17, 2015

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