Questions Asked on
August 27, 2011

Calculus
A man 5.50 ft tall approaches a street light 18.0 ft above the ground at a rate of 4.0 ft/s. at what rate is the end of the man's shadow moving when he is 9.0 ft from the base of the light?
asked by Amanda 
science
what is black hole form?
asked by aman 
math
list the integers between 5 and 2, inclusive.
asked by ruth 
Math
Find how much money there will be in the account after the given number of years. Principle $8500 Rate 4% Coumpounded quarterly Time 4 yeats A=8500(1+.04/4)raised to 40th power A=8500(1.01)raised to 40th power I am stuck here, how do you raise to the 40th
asked by Shay 
scientist
Which is the best reason for the smaller number of drone bees compared to the number of worker bees in a beehive?
asked by alexandra 
algebra
solve by elimination method 3x+4y=4 6x+8y=8
asked by Carey 
instructional materials their preparation and use
which term describes a picture in which one side has more than the other side? (a)formal balance (b)informal balance (c)design simplicity (d)shape please help
asked by susue 
Differential Equations
Solve the seperable differential equation for U. du/dt = e^(5u+7t)  Using the following initial condition U(0) = 12
asked by Kody 
statistics
Given that the population mean is 4.85, calculate the zscores of 3.3,3.84.4 and 6.2.
asked by Celle 
Physics
a transport truck pulls on a trailer with a force of 600 N {E}. the trailer pulls on the transport truck with a force: a) zero b) of less than 600 N[W] if the truck is slowing down. c) equal to 600 N [W] only if the truck is moving at constant velocity d)
asked by Allison 
Psychology
What are psychoanalytical models?
asked by Maple C. 
English
Coud you please check these few sentences? Thank you. 1) I have just finished (with) makeup exams and I won't start school till 12 September. 2) Have you found out a suitable payment method for our purchases on the net? 3) My nephew would be interested in
asked by Henry2 
science
1. What weight of aluminum may be obtain from 1 kg of aluminum oxide? 2. how many liters of hydrogen would be form by the reaction of 25g of hydrochloric acid and sufficient quantity of zinc? 3. 0.82l of an unknown gas at 35 degree Celsius and 80 cmHg
asked by josh 
teachers aide curriculum comtent
when are children first developmentally ready to begin learning science? (a)kindergarten (my answer) (b)fifth grade (c)junior high (d)high school according to recent science curriculum guidelines what percent of class time should students spend in hands on
asked by susue 
teachers aide curriculum comtent
literary themes understood by all people regardless of their background or the time they live in are (a)universal (b)skillbased(my answer) (c)motivational (d)literature based what does the curriculum web show? (a)how one theme unites different subjects
asked by susue 
English
Write one paragraph of eight to twelve sentences informing your fellow students of your reasons for wanting to earn your diploma in the program in which you're enrolled, particularly in terms of your career goals. For example, why did you decide to take
asked by Abdullah 
inorganic chemistry
provide balanced equations that represent the thermal decomposition of sodium nitrate and calcium nitrate; compare and comment on the products of each reaction.
asked by bulelwa 
geometry
if 3x + 8 =20  3x, what is x
asked by q 
maths
if 3x + 8 =20  3x, what is x
asked by q 
penn foster
a computer's cpu and hard drive are found in the a. power bar b. main peripheral device c. keyboard d.system unit
asked by peoples 
busniess communication
Today, many employers expect interviewees to do more than just answer standard questions, including all of the following EXCEPT: A. defer to the hiring company to take control of the interview process. B. provide samples of the work they would likely do in
asked by nicole 
macroeconomics
slides of your preferred city to relocate with your reasoning for this choice • 1–2 slides: Explain at least 2 reasons why housing prices vary from city to city • 3–5 slides: Explain 3–4 ways in which supply and demand affect the prices of the
asked by koki 
english
can you please improve these two sentences. im tryingtosay like the newly rich try to act as if their high class but they don't get accepted even if they have money. the majordiffference between the ric and the high class, is manner. here is my sentence:
asked by yesudas 
Mat 116
Solve for m p=4m+4v the solution is m=
asked by Carey 
business communications
Which of the following should you NOT do in the close of a job interview? A.Give a final explanation for a weakness that you have. B.Show enthusiasm for the job C.Summarize your accomplishments and strengths D.Smile and relax A,and B of course wouldnt be
asked by nicole 
Algebra
3x+8=20; 4 Basically that 4 is asking whether that is a possible solution to the problem. I tried to solve it and the two solutions I got were 28/3 and 4. So I got that 4 is not a solution but if someone could check for me and make sure I didn't mess
asked by Linda 
Chemistry
Calculate the change in internal energy at 1 atm & 25°C. H2 (g) + 1/2 O2 (g) > H2O (l) delta(H)= 286 KJ/mol Okay so i started with the equation: delta(E) = delta(H)  RTdelta(n) P= 1 atm T= 298 K but i don't exactly know what to do from here..please
asked by ChemLover 
science
is ther salt in the water picked up by hurricanes?
asked by steve 
Math
“Vitamin E is a proven antioxidant and may help in fighting cancer and heart disease.” Is there anything ambiguous about this claim? Can someone please help and give me a detailed answer for this problem Thank you.
asked by John 
Math
For the question below can you please help explain why this survey question might lead to an erroneous conclusion thank you. SURVEY QUESTION: “Do you think that it is not important to give extra tutoring to students who are not failing?
asked by John 
statistics
mean is 6.36, calculate the zscores for Cases 1, 9, 14, and 20 on the variable LIKE.
asked by Maricel 
Statistics
population mean is 6.36, calculate the z scores of 2,6,5,and 8.
asked by Maricel 
math
in 1991 the life expectancy of males in a certain country was 73.7 years in 1997 it was 76.9 years let E represent the life expectancy in year T and let T represent the number of years since 1991 the Linear function E (T) that fits the data is
asked by Carey 
geometry
you are planning on purchasing a new car and have your eye on a specific model. you know that new car prices projected to increase at a rate of 5%per year for the next few years find the cost of the car 4 years from now if the curent price is 27,000. Write
asked by LaTonia 
geometry
If a triangle has a base of 16 and a height of 18, what’s its area?
asked by kardell 
algebra
The diameter of an electric cable is normally distributed, with a mean of 0.8 inch and a standard deviation of 0.01 inch. What is the probability that the diameter will exceed 0.82 inch? (Give the answer to four decimal places.)
asked by apryl 
Calculus
find tha value of f(x)=x3 where f(x+h)f(x)/h so far I got 3x2+3hx+h2/h and got stuck from here.
asked by Josh 
Chemistry
Okay so I'm doing doing significant figures in chem. And I was just wondering for problems like this: .000456 dm + .00524 m Do I have to actually convert stuff? And on the ones with exponents what do I do ? Ex: 3845.2 m cubed/ 25.2354 m
asked by Kendra 
Pre Algebra
How do I convert .31 1/5 to a fraction?
asked by blawssom 
Math
Write it's equation in slopeintercept form. y=3/2x7
asked by Lisa 
Health
Describe the new risk management processes at a nursing home in relation to state and federal mandates? I am thinking fire, tornado, hurricane disaster preparedness processes. Am I right? Which site can I get information?
asked by Mercy 
algebra
Solve the quadratic equation 2x to the 2nd power 3x2=0using the quadratic formula. Read the information in the assignment list to learn more about how to type math symbols in MS Word, such as the square root.
asked by shirley 
algebra
P (C) if P(C)= P(C) this P(C)has i line above it
asked by apryl 
algebra
P(C)ifP(C)=2/13 the second one has a line over it
asked by apryl 
stats
women age 2029 is 36ml staandard deviation 7ml. What is probability greater than 45ml and between 30 and 62 ml
asked by anna 
soc
All sages provide both wisdom and inspiration. Since Dasha’s speech contained wisdom and greatly inspired her audience, Dasha is a sage. Which one of the following points out the flaw in the argument above?
asked by Dee 
english
can you please help me make these sentences better. i was just saying that p diddy and jay gatsby form the the book th great gastby are related because they both lose their father at a young age and are exposed to the scoity around them. P Diddy relates to
asked by yesudas 
Math
Find the ldc for the fraction 11/245, 13/175
asked by Jay 
AP Biology
In the exponential model of population growth, does the growth rate remain constant, decine, or rise and then decline? I have researched this and I believe it to be rise then decline, but I am not really sure.
asked by Skipper 
Calculus Precalculus
Answer the calculus question about Point P, 45 mph, etc. It is ALREADY posted on here.
asked by Zach 
Bio
What is it called when b=d and r=0? A. iteroarity B. semelparity C. zero population growth D. cohort E. a survivorship curve I think it is E but I would greatly appreciate a teacher's input!
asked by Rachel 
ap bio
The number of trophic levels that can be maintained in an ecosystem is limited by: a. a gain in population size b. the loss of potential energy c. the number of individuals in the ecosystem i have chosen a but it is for a grade and i would love some help??
asked by Bekah 
Math
A number has the digit 4 in the ones place and the digit 7 in the tens place. Which of these is another way to write this number? A. 40 plus 7 B. 70 plus 4 C. 4 plus 7
asked by Kashawn 
science
One observation that regards the magnetic stipes on the ocean floor that would disprove the theory of platetectonics would be?
asked by ali 
algebra
Copper weighing 4480 kilograms has a volume of 0.5 cubic meters. What is the density of copper? I started with 4480kg/0.5m and got 8960. Is this correct and what is the unit at the end?
asked by 1carriebear 
English
In Into Thin Air by Jon Krakauer, what are some examples of allusions to Shakespeare, the Bible, fairy tales, or Greek myths?
asked by Emily 
Chemistry
I need help on how to calculate the following please: Calculate the risk assesment of the amount of the ozone in the air between the hours of 4pm and 6pm where I live(Corpus Christi,Texas)
asked by Jelly 
basic statistics for the behavioral sciences
there are 80 students enrolled in statistics. (a)you and 11 other earned the same score. what percent of the class received your score? (b)forty percent of the class received a grade of C. how many students received a C? (c) only 7.5% of the class received
asked by jan 
algebra
An airplane traveled from Boston to Las Vegas making a stop in St. Louis. The plane traveled 2410 miles altogether, which is 230% of the distance from Boston to St. Louis. Find the distance from Boston to St. Louis to the nearest mile. The answer is 1048
asked by 1carriebear 
algebra
The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 166 and a variance of 4. The material is considered defective if the breaking strength is less than 160 pounds. What is the probability that a single,
asked by Anna Swain 
Physics
44.34miles^2 = _______Km^2 ?
asked by Anonymous 
Geometry
A company produces cardboard boxes with the top, bottom and sides measuring 5 feet. It costs the company 4 cents a square foot to make each box. The square footage is determined by finding the area of all six sides of the box. Find the cost to make 100
asked by Jack 
maths
the cost price of 2 articles is same as the selling price of 3 articles . what is the loss or gain%? a)50% loss b)331/3%gain c)25%loss d)331/3%loss e) none of this
asked by avinash 
maths
a man sold an article at 10% loss , if he had taken 45Rs more , the gain would have been 8%. what is its cost price a.150 b.180 c.200 d.250 e.none
asked by avinash 
maths
a man sold an article at a profit of 25%. if he had bought it at 10% less and sold for 10RS more, the gain would have been 40%. find its cost price a.800 c.960 c.1000 d.1080 e.none
asked by avinash 
Calculus
A parcel delivery service will deliver a package only if the length plus girth (distance around) does not exceed 84 in. What are the radius, length and volume of the largest cylindrical package that may be sent using this service?
asked by Amanda 
education support
what communication strategies would you use to support the child who distress and crying by himself> provide an example for each strategy? I need help pls
asked by kayla 
science
A man incurs a deep laceration on his thigh, he goes to the hospital and gets the wound cleaned, stitched and dressed. He was discharged soon after. Four days after the man finds the wound extremely painful and had a smelly discharge. QUESTION: by which
asked by Annie 
algebra/math
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 165 and a standard deviation of 6. We find the heights of 40 people. (a) How many would you expect to be between 158 and 172 cm tall?
asked by Anonymous 
Social studies
Economy of America
asked by Prashanth 
chemistry
an ideal gas in a closed inflexible container has a pressure of 6 atms and a temperature of 27 degree c. What will be the new pressure of gas of temperature is decreased to 73 degree c. 1) 2atm 2) 3atm 3) 4atm 4) 8atm 5) 9atm
asked by marjani 
chemistry
a radioactive material is undergoing nuclear decay. After 40 minutes, 25% of the sample remains. What is the halflife of the sample
asked by marjani 
Science
These are the instructions on a homework worksheet: "Measure the following lines using a ruler and write the measurements in the boxes provided." "Measuring Lines in cm  exact" Can someone please tell me what they mean by "Measuring Lines in cm  exact"?
asked by Smom 
teachers aide curriculum comtent
which os the oldest art? (a)DRAMA/THEATER (B)PHOTOGRAPHY (C)DANCE(MY ANSWER) (D)MUSIC THE NEW ENGLISH AND LANGUAGE ARTS CURRICULUM IS BASED ON WHICH ONE OF THE FOLLOWING? (A)READING SKILLS (B)SPELLING SKILLS (C)LITERATURE(MY ANSWER) (D)WRITING SKILLS A
asked by susue 
teachers aide curriculum comtent
a sense of what it was like to live in a certain time and place is called? (a)historical literacy (b)historical empathy (my answer) (c)ethnic literacy (d)geographic literacy
asked by susue 
health care management
Networks and alliances are marriages of money and convenience. Systems are marriages of commitment and values. Develop arguments and counterargements for each statement.
asked by daniel 
Physics
How do you solve this using the component method? 56n, northwest + 38n, 75 degrees east of north
asked by Sabbie 
social
describe black hole of calcutta
asked by monica 
English
Could you please check these few sentences? Thank you. 1) I clapped him for good luck. As the curtain went down, everybody clapped and cheered. (Do these two verbs have the same meaning?) 2) While she was pouring milk into the cup, she dripped some over
asked by Henry2 
biology
What are harmones? And their description
asked by Surya 
Psy 202
1. One of the reasons that certain advertisements are successful is because viewers want to behave like those they observe. What is the general term that psychologists use to describe this type of behavior
asked by Stacy